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CPSA NOTES > CPSA > Flashcards

CPSA Flashcards

1
Q

What is the default password for user ADAMS on Oracle 7/8/9?

A

WOOD

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2
Q

What is the default password for user BLAKE on Oracle 7/8?

A

PAPER

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3
Q

What is the default password for user DBSNMP on Oracle 7/8?

A

DBSNMP

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4
Q

What is the default password for user internal on Oracle 7/8/9?

A

oracle

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5
Q

What is the default password for user JONES on Oracle 7/8/9?

A

STEEL

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6
Q

What is the default password for user MODTEST on Oracle 7/8/9?

A

YES

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7
Q

What is the default password for user Scott on Oracle 7/8/9?

A

Tiger

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8
Q

What is the default password for user SYS on Oracle 7/8/9?

A

CHANGE_ON_INSTALL

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9
Q

What is the default password for user SYSADM on Oracle 7/8/9?

A

SYSADM

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10
Q

What is the default password for user SYSTEM on Oracle 7/8/9?

A

MANAGER

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11
Q

What is the default password for user TRACESRV on Oracle 7/8/9?

A

TRACE

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12
Q

What does DNS stand for?

A

Domain Name System

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13
Q

What does HTTP stand for?

A

Hypertext Transfer Protocol

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14
Q

What does HTTPS stand for?

A

Hypertext Transfer Protocol Secure

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15
Q

What does ICMP stand for?

A

Internet Control Message Protocol

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16
Q

What does IIS stand for?

A

Internet Information Services

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17
Q

What does IP stand for?

A

Internet Protocol

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18
Q

What does RIP stand for?

A

Routing Information Protocol

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19
Q

What does SIP (VoIP) stand for?

A

Session Initiation Protocol

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20
Q

What does SMTP stand for?

A

Simple Mail Transfer Protocol

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21
Q

What does SOAP stand for?

A

Simple Object Access Protocol

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22
Q

What does TCP stand for?

A

Transmission Control Protocol

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23
Q

What does UDP stand for?

A

User Datagram Protocol

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24
Q

What does SNMP stand for?

A

Simple Network Management Protocol

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25
Q

What does TFTP stand for?

A

Trivial File Transfer Protocol

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26
Q

What does SSH stand for?

A

Secure Shell

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27
Q

What does FTP stand for?

A

File Transfer Protocol

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28
Q

What does SMB stand for?

A

Server Message Block

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29
Q

What does LDAP stand for?

A

Lightweight Directory Access Protocol

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30
Q

What does FTPS stand for?

A

File Transfer Protocol Secure

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31
Q

What does SFTP stand for?

A

Simple File Transfer Protocol (TCP/115), SSH File Transfer Protocol

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32
Q

What does NFS stand for?

A

Network File System

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33
Q

What does IMAP stand for?

A

Internet Message Access Protocol

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34
Q

What does HTTPS stand for?

A

Hypertext Transfer Protocol Secure (over TLS/SSL)

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35
Q

What does Rlogin stand for?

A

Remote Login

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36
Q

What does Rexec stand for?

A

Remote Process Execution

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37
Q

What port does SNMP operate on?

A

UDP 161

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38
Q

What port does TFTP operate on?

A

UDP 69;

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39
Q

What port does SMTP operate on?

A

TCP 25

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40
Q

What port does SSH operate on?

A

port 22

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41
Q

What port does HTTP operate on?

A

TCP 80

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42
Q

What port does SIP (VoIP) operate on?

A

port 5060

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43
Q

What port does FTP data transfer operate on?

A

port 20

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44
Q

What port does FTP control operate on?

A

port 21

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45
Q

What port does SMB operate on?

A

139/tcp (NETBIOS over TCP/IP), 445/tcp (raw SMB transport)

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46
Q

What port does LDAP operate on?

A

port 389

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47
Q

What port does HTTPS operate on?

A

TCP 443

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48
Q

What port does rlogin operate on?

A

TCP 513

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49
Q

What port does RIP operate on?

A

UDP 520

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50
Q

What port does FTPS data transfer operate on?

A

port 989

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51
Q

What port does FTPS control operate on?

A

port 990

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52
Q

What port does rexec operate on?

A

TCP 512

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53
Q

What port does Telnet operate on?

A

port 23

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54
Q

What port does WHOIS operate on?

A

port 43

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55
Q

What port does DNS operate on?

A

port 53

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56
Q

What port does Finger operate on?

A

TCP 79

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57
Q

What port does Kerberos operate on?

A

port 88

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58
Q

What port does SFTP (Simple FTP) operate on?

A

TCP 115

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59
Q

What port does NFS operate on?

A

port 2049

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60
Q

What port does MSSQL Server operate on?

A

TCP 1433

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61
Q

What port does MSSQL Monitor operate on?

A

port 1434

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62
Q

What port does MySQL database system operate on?

A

port 3306

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63
Q

What port does PostgreSQL database system operate on?

A

port 5432

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64
Q

What port does IMAP operate on?

A

TCP 143

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65
Q

What does OSPF stand for?

A

Open Shortest Path First

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66
Q

What does IGRP stand for?

A

Interior Gateway Routing Protocol

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67
Q

What does EIGRP stand for?

A

Enhanced Interior Gateway Routing Protocol

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68
Q

What does DES stand for?

A

Data Encryption Standard

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69
Q

What does 3DES stand for?

A

Triple Data Encryption Standard

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70
Q

What does AES stand for?

A

Advanced Encryption Standard

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71
Q

What does RSA stand for?

A

Rivest Shamir Adleman

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72
Q

What does RC4 stand for?

A

Rivest Cipher 4

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73
Q

What does SHA1 stand for?

A

Secure Hash Algorithm 1

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74
Q

What does MD5 stand for?

A

Message Digest (Algorithm) 5

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75
Q

What does HMAC stand for?

A

Hash-based Message Authentication Code

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76
Q

What does SSL stand for?

A

Secure Sockets Layer

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77
Q

What does IPsec stand for?

A

Internet Protocol Security

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78
Q

What does PGP stand for?

A

Pretty Good Privacy

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79
Q

What does WEP stand for?

A

Wired Equivalent Privacy

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80
Q

What does WPA stand for?

A

Wi-Fi Protected Access

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81
Q

What does TKIP stand for?

A

Temporal Key Integrity Protocol

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82
Q

What does NTP stand for?

A

Network Time Protocol

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83
Q

What does PCAP stand for?

A

Packet Capture

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84
Q

What does ARP stand for?

A

Address Resolution Protocol

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85
Q

What does DHCP stand for?

A

Dynamic Host Configuration Protocol

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86
Q

What does CDP stand for?

A

Cisco Discovery Protocol

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87
Q

What does HSRP stand for?

A

Hot Standby Router Protocol

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88
Q

What does VRRP stand for?

A

Virtual Router Redundancy Protocol

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89
Q

What does VTP stand for?

A

VLAN Trunking Protocol

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90
Q

What does STP stand for?

A

Spanning Tree Protocol

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91
Q

What does TACACS+ stand for?

A

Terminal Access Controller Access-Control System Plus

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92
Q

DNS Records: What does SOA stand for?

A

Start of Authority Record

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93
Q

DNS Records: What does MX stand for?

A

Mail Exchange Record

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94
Q

DNS Records: What does TXT stand for?

A

Text Record

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95
Q

DNS Records: What does A stand for?

A

Address Record

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96
Q

DNS Records: What does NS stand for?

A

Name Server Record

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97
Q

DNS Records: What does HINFO stand for?

A

Host Information Record

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98
Q

DNS Records: What does CNAME stand for?

A

Canonical Name Record

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99
Q

What does EAP stand for?

A

Extensible Authentication Protocol

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100
Q

What does LEAP stand for?

A

Lightweight Extensible Authentication Protocol

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101
Q

What does PEAP stand for?

A

Protected Extensible Authentication Protocol

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102
Q

What port does POP3S operate on?

A

TCP 995

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103
Q

What port does Echo operate on?

A

port 7

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104
Q

What port does CHARGEN operate on?

A

port 19

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105
Q

What port does Daytime operate on?

A

port 13

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106
Q

What port does Quote of the Day operate on?

A

port 17

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107
Q

What port does Telnet operate on?

A

port 23

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108
Q

What port does POP2 operate on?

A

TCP 109

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109
Q

What port does POP3 operate on?

A

TCP 110

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110
Q

What port does NNTP operate on?

A

TCP 119

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111
Q

What port does Syslog operate on?

A

UDP 514

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112
Q

What port does LDAPS operate on?

A

port 636

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113
Q

What port does IMAPS operate on?

A

TCP 993

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114
Q

What port does Oracle operate on by default for older releases?

A

TCP 1521

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115
Q

What port does Oracle database officially run on, for newer releases?

A

port 2483

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116
Q

What port does Oracle database officially run on over SSL, for newer releases?

A

port 2484

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117
Q

What is the common alternative port for Oracle database to run on?

A

TCP 1528

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118
Q

What port does OpenVPN operate on?

A

port 1194

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119
Q

What port does NetBIOS Name Service operate on?

A

port 137

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120
Q

What port does NetBIOS Datagram Service operate on?

A

port 138

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121
Q

What port does NetBIOS Session Service operate on?

A

port 139

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122
Q

What port does RDP operate on?

A

port 3389

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123
Q

Which two ports does X11 operate on?

A

TCP 6000, UDP 6001

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124
Q

What port does Virtual Network Computing (VNC)/Remote Frame Buffer (RFB) operate on?

A

port 5900

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125
Q

What port does RPC operate on in Linux?

A

port 111

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126
Q

What port does ISAKMP operate on?

A

port 500

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127
Q

What port does Telnet over SSL operate on?

A

port 992

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128
Q

What port does IDENT operate on?

A

TCP 113

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129
Q

What port does Authentication Service (auth) operate on?

A

UDP 113

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130
Q

What port does IMAP version 3 operate on?

A

port 220

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131
Q

What port does SMTPS operate on?

A

TCP 465

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132
Q

What does CVE stand for?

A

Common Vulnerabilities & Exposures

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133
Q

What frequency does 802.11a operate on?

A

5 Ghz

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134
Q

5 Ghz

A

What frequency does 802.11a operate on?

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135
Q

What frequency does 802.11b operate on?

A

2.4 GHz

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136
Q

2.4 GHz

A

What frequency does 802.11b operate on?

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137
Q

What frequency does 802.11g operate on?

A

2.4 GHz

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138
Q

2.4 GHz

A

What frequency does 802.11g operate on?

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139
Q

What frequency does 802.11n operate on?

A

Both 2.4 GHz and 5 GHz

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140
Q

Both 2.4 GHz and 5 GHz

A

What frequency does 802.11n operate on?

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141
Q

What is IP protocol number 1?

A

ICMP

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142
Q

What is IP protocol number 2?

A

IGMP

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143
Q

What is IP protocol number 6?

A

TCP

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144
Q

What is IP protocol number 16?

A

CHAOS

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145
Q

What is IP protocol number 17?

A

UDP

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146
Q

What is IP protocol number 47?

A

GRE (Generic Routing Encapsulation)

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147
Q

What message is ICMP type 0?

A

Echo Reply

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148
Q

What message is ICMP type 3 code 0?

A

Destination network unreachable

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149
Q

What message is ICMP type 4?

A

Source Quench

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150
Q

What message is ICMP type 8?

A

Echo

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151
Q

What message is ICMP type 13?

A

Timestamp

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152
Q

What message is ICMP type 14?

A

Timestamp Reply

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153
Q

What message is ICMP type 15?

A

Information Request

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154
Q

What message is ICMP type 16?

A

Information Reply

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155
Q

What message is ICMP type 30?

A

Traceroute

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156
Q

What message is ICMP type 37?

A

Domain Name Request

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157
Q

What message is ICMP type 38?

A

Domain Name Reply

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158
Q

What port does Sysstat operate on?

A

port 11

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159
Q

What port does Tcpmux operate on?

A

port 1

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160
Q

What port does Netstat operate on?

A

port 15

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161
Q

What does QOTD stands for?

A

Quote Of The Day

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162
Q

What port does Message Send Protocol operate on?

A

port 18

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163
Q

Identify the OS version from this banner: “220 hostname FTP server ready”

A

Solaris 9 and later, SGI IRIX 6.x

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164
Q

Identify the OS version from the banner: “220 Microsoft FTP Service”

A

Windows 2003

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165
Q

Identify the OS version from the banner: “220 hostname FTP server (Version 6.00LS) ready”

A

FreeBSD 4.x and later

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166
Q

Identify the OS version from the banner: “220 hostname FTP server (Version 6.00) ready”

A

FreeBSD 3.x, MacOS

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167
Q

Identify the OS version from the banner: “220 hostname Microsoft FTP Service (Version 5.0)”

A

Windows 2000

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168
Q

Identify the OS version from the banner: “220 hostname FTP server (Digital Unix Version 5.60) ready”

A

Compaq Tru64

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169
Q

Identify the OS version from the banner: “220 hostname Microsoft FTP Service (Version 4.0)”

A

Windows NT 4.0

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170
Q

Identify the OS version from the banner: “220 hostname FTP server (Version 4.1 Tue Sep 8 17:35:59 CDT 1998) ready

A

IBM AIX 4.x

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171
Q

Identify the OS version from the banner: “220 hostname FTP server (NetBSD-ftpd 20020615) ready”

A

NetBSD 1.6.x

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172
Q

Identify the OS version from the banner: “220 hostname FTP server (SunOS 5.7) ready”

A

Solaris 7

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173
Q

Identify the OS version from the banner: “220 hostname FTP server (Version 1.1.214.6 Wed Feb 9 08:03:34 GMT 2000) ready”<br></br>

A

HP-UX 11.x

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174
Q

Identify the FTP implementation from the banner:”220 hostname FTP server (Version 6.5/OpenBSD) ready”

A

WU-FTPD 2.6.2

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175
Q

Which service is related to glob() vulnerability?

A

FTP

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176
Q

How many different versions of SSH servers exist?

A

4

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177
Q

Which service uses the PAM option?

A

SSH

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178
Q

Which SSH version was deprecated?

A

SSH Version 1.0

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179
Q

Identify the OS version from the banner: “Unix(r) System V Release 4.0 (hostname)”

A

Solaris 2.6

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180
Q

What is the Exim?

A

Mail Transport Agent

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181
Q

Where is PGP used?

A

It is used for SMTP encryption

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182
Q

What port does TIME protocol operate on?

A

port 37

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183
Q

What port does WINS service operate on?

A

port 42

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184
Q

What is the POSTFIX?

A

Mail Transport Agent

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185
Q

What does RIR stand for?

A

Regional Internet Registries

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186
Q

What port does TACACS+ operate on?

A

port 49

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187
Q

What does the BIND refers to?

A

Default Linux DNS server

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188
Q

What does BIND stand for?

A

Berkley Internet Name Domain

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189
Q

DNS Records: What does RP stand for?

A

Responsible Person record

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190
Q

What does DIG stand for?

A

Domain Information Groper

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191
Q

What protocol and ports are associated with DHCP networking protocol?

A

BOOTP, UDP 67(server), UDP 68(client)

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192
Q

Why do you need to tell a client to inform their employees about a pentest either before the test commences or via the computer usage policy (Answer the Law)?

A

Human Rights Act

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193
Q

Why do you need to get permission from the owner of a system before commencing a pentest (Answer the Law)?

A

Breach of Computer Misuse Act

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194
Q

Each DNS ____ represents a boundary of authority subject to management by certain entities

A

Zone

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195
Q

How many IP addresses could be used in an IP range with mask bit /25?

A

126

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196
Q

What port can be queried to request a zone transfer?

A

TCP 53

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197
Q

How many bits, bytes and octets are there in an IPv4 address?

A

32 bits, 4 bytes, 4 octets

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198
Q

You have connected to an SSH service and its banner states it is running SSH v1.99. Which versions of the SSH protocol does this SSH support?

A

v1 and v2

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199
Q

Which of the following is not a reserved IP range? a) 10.0.0.0/8b) 75.0.0.0/16c) 192.168.0.0/16d) 172.16.0.0/12

A

75.0.0.0/16

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200
Q

How many possible IP addresses are there in a class A??

A

16777216

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201
Q

On an assessment, if you are told that the network is a /28 subnet on an IPv4 network with 14 active hosts how many IPs are free?

A

0

202
Q

If ICMP is filtered, how you can view your possible traffic route to a secure web server from a Windows machine? a) tcptraceroute server.comb) traceroute -p 80 server.com c) ping -r server.comd) ping -R server.com:443 e) tcptraceroute server.com 443

A

tcptraceroute server.com 443

203
Q

How many mask bits are there for a subnet mask of 255.255.248.0?

A

/21

204
Q

Which IP addresses are used for automatic addressing (APIPA)?

A

169.254.0.0 - 169.254.255.255

205
Q

What does IANA stands for?

A

Internet Assigned Numbers Authority

206
Q

What does IGMP stands for?

A

Internet Group Message Protocol

207
Q

What does CAT5 stand for?

A

Category 5

208
Q

What does IEEE stand for?

A

Institute of Electrical and Electronic Engineers

209
Q

What does SING stand for?

A

Send ICMP Nasty Garbage

210
Q

What does SSRR stand for?

A

Strict Source and Route Record

211
Q

What does LSRR stand for?

A

Loose Source and Route Record

212
Q

What does WINS stand for?

A

Windows Internet Name Service

213
Q

DNS Records: What does PTR stand for?

A

Pointer Record

214
Q

What does HTML stand for?

A

HyperText Markup Language

215
Q

What is IP protocol number 4?

A

IP-in-IP

216
Q

What is IP protocol number 9?

A

IGP Interior Gateway Protocol, used by CISCO for their IGRP

217
Q

What is IP protocol number 41?

A

IPv6

218
Q

What is IP protocol number 88?

A

EIGRP

219
Q

What is IP protocol number 89?

A

OSPF

220
Q

What does CHARGEN stand for?

A

Character Generator Protocol

221
Q

How many bits is the IPv6 address?

A

128 bits

222
Q

What message is ICMP type 3 code 1?

A

Destination host unreachable

223
Q

What message is ICMP type 3 code 2?

A

Destination Protocol unreachable

224
Q

What message is ICMP type 3 code 3?

A

Destination port unreachable

225
Q

What message is ICMP type 3 code 6?

A

Destination network unknown

226
Q

What message is ICMP type 3 code 7?

A

Destination host unknown

227
Q

What message is ICMP type 11 code 1?

A

Fragment reassembly time exceeded

228
Q

What message is ICMP type 11 code 0?

A

TTL Time Exceeded

229
Q

What message is ICMP type 17?

A

Address mask request

230
Q

What message is ICMP type 18?

A

Address mask reply

231
Q

What message is ICMP type 37?

A

Domain name request

232
Q

What message is ICMP type 38?

A

Domain name reply

233
Q

What message is ICMP type 3 code 13?

A

Communication administratively prohibited

234
Q

What message is ICMP type 5?

A

Redirect message

235
Q

What is the meaning of 802.3?

A

Ethernet

236
Q

What is the meaning of 802.5

A

Token Ring

237
Q

What frequency does 802.3 operate on?

A

100Mb/s or Gigabit Ethernet (1Gb/s)

238
Q

What kind of connectors does the 802.3 uses?

A

RJ-45

239
Q

Name a specific property of 802.5 regarding bandwidth

A

It is shared fairly

240
Q

Which is the OSes that the nmap Inverse TCP Flag Scanning is deemed unsuccessful?

A

Microsoft Windows, many Cisco devices, IBM OS/400

241
Q

How can you perform a UDP scan using netcat?

A

nc -v -w 4 -u -z <> <>

242
Q

You perform a UDP scan and the target port returns no response. What is the state of the port?

A

open | filtered

243
Q

You perform an ACK scan and the target port returns TCP RST response. What is the conclusion regarding the firewall?

A

Stateless, blocks simply SYN packets

244
Q

You perform an nmap Maimon Scan and the target port returns no response. What is the state of the port?

A

open | filtered

245
Q

You perform an nmap Protocol scan and the target port returns a garbage response. What is the state of the port?

A

open

246
Q

What kind of packets does xprobe2 uses to fingerprint OS version?

A

ICMP

247
Q

ICMP Default system response: 8 and 13. Which is the OS?

A

Linux, BSD, Windows 2000

248
Q

ICMP Default system response: 8, 13 and 15. Which is the OS?

A

HP-UX, AIX, CISCO IOS, Ultrix

249
Q

ICMP Default system response: 8, 13, 17. Which is the OS?

A

Solaris, Windows 95, 98, ME

250
Q

ICMP Default system response: 8. Which is the OS?

A

Windows NT 4.0

251
Q

Which file should be changed in order to avoid disclosing WU-FTPD banner?

A

/etc/ftpaccess

252
Q

Which file should be changed in order to avoid disclosing ProFTPD banner?

A

/etc/proftpd.conf

253
Q

Which file should be changed in order to avoid disclosing host information after a user connects using telnet?

A

/etc/issue

254
Q

Which file should be changed in order to avoid disclosing sendmail banner?

A

sendmail.cf

255
Q

Which file should be changed in order to avoid disclosing qmail banner?

A

qmail-smtpd

256
Q

Which file should be changed in order to avoid disclosing Postfix banner?

A

main.cf

257
Q

Which file should be changed in order to avoid disclosing Exim banner?

A

exim.conf

258
Q

Identify the OS version from the banner: “SunOS 5.9”<br></br>

A

Solaris 9

259
Q

Identify the OS version from the banner: “Unix (hostname)”

A

SunOS 4.1.x SunOS

260
Q

Identify the OS version from the banner: “IRIX (hostname)”

A

SGI IRIX 6.x

261
Q

Identify the OS version from the banner: “AIX Version 5 (C) Copyrights by IBM and by others 1982, 2000”

A

IBM AIX 5.2.x

262
Q

Identify the OS version from the banner: “AIX Version 4 (C) Copyrights by IBM and by others 1982, 1996”

A

IBM AIX 4.2.x or 4.3.x

263
Q

Identify the OS version from the banner: “AIX Version 4 (C) Copyrights by IBM and by others 1982, 1994”

A

IBM AIX 4.1.x

264
Q

Identify the OS version from the banner: “IPSO (hostname) (ttyp0)”

A

Nokia IPSO

265
Q

Identify the OS version from the banner: “User Access Verification”

A

Cisco IOS

266
Q

Which part of cryptography is used to describe the feature: same input produces same output?

A

Hash

267
Q

Which part of cryptography is used to describe the feature: it is not possible to go from the output to the input?

A

Hash

268
Q

Which part of cryptography is used to describe the feature: Integrity

A

Hash

269
Q

Which part of cryptography is used to describe the feature:Confidentiality

A

Encryption

270
Q

Which part of cryptography is used to describe the feature: Usability

A

Encoding

271
Q

Which cipher starts from a random seed that is XORed with the clear text to generate the cipher text?

A

Stream Cipher

272
Q

What is the length of the DES key?

A

56 bits

273
Q

What is the block size of DES?

A

64 bits

274
Q

How many secret bits are there in a standard 3DES key?

A

168 bits if 3 keys DES is used (standard 3DES), 112 bits if 2 keys DES is used

275
Q

What is the size of AES block?

A

128, 192 or 256 bits

276
Q

What is the key length of AES?

A

128, 192 or 256 bits

277
Q

How many bytes output does the SHA1 cryptographic algorithm produce?

A

20 bytes hex value or 160 bits

278
Q

How many bytes output does the MD5 cryptographic hash function produce?

A

16 bytes or 128 bits

279
Q

Which protocols use HMAC?

A

TLS, IPsec

280
Q

What key is used to sign a website valid public key certificate?

A

The private key of a CA

281
Q

Which mode of operation for block ciphers discloses structure of clear-text?

A

ECB

282
Q

What does CVE stand for?

A

Common Vulnerabilities and Exposures

283
Q

Which of the following statements is not true about hashing?a) It is a deterministic procedureb) It does not take an arbitrary block of datac) It returns a fixed-size bit string referred to as cryptographic hash valued) Accidental or intentional change to the data will change the hash valuee) It is an one-way function

A

b)

284
Q

TCP wrappers use which configuration files?

A

/etc/hosts.allow and /etc/hosts.deny

285
Q

What is the following type of port scan being used?nmap -sX -n 192.168.1.100

A

XMAS Scan

286
Q

What operating system has a TTL of 64?

A

Solaris 8

287
Q

What does AH stand for?

A

Authentication Header

288
Q

Which encryption modes are used in IPSec?

A

Tunnel and Transport

289
Q

Which IPSec security component is used to ensure integrity?

A

Authentication Header (AH)

290
Q

Which IPSec security component is used to ensure confidentiality?

A

Encapsulating Security Payload (ESP)

291
Q

What does ESP stand for?

A

Encapsulating Security Payload

292
Q

What does IKE stand for?

A

Internet Key Exchange

293
Q

What is the purpose of IKE in IPSec?

A

To securely exchange the secret key

294
Q

Which shared key exchange are used in IPSec?

A

Main mode, Aggressive mode (possible to capture Pre Shared Key using a sniffer and crack it offline)

295
Q

What does ISAKMP stand for?

A

Internet Security Association and Key Management Protocol

296
Q

Which command is used to add a user to a group?

A

usermod -G group user

297
Q

What are the group permissions of the following file?drwxr-xr-x file

A

Read and Execute

298
Q

How can you set the sticky bit to a directory?

A

chmod +t

299
Q

What does the -i UNIX file attribute mean?

A

That the file cannot be modified or deleted

300
Q

Which command is used in UNIX to find files with suid enabled?

A

find / ( -perm -4000 -o -perm -2000 ) -ls 2>/dev/null

301
Q

What does ARIN stand for?

A

American Registry for Internet Numbers

302
Q

What does RIPE stand for?

A

Reseaux IP Europeens

303
Q

What does APNIC stand for?

A

Asia Pacific Network Information Centre

304
Q

What does LACNIC stand for?

A

Latin American and Caribbean Network Information Centre

305
Q

What does AfrNIC stand for?

A

African Network Information Centre

306
Q

DNS Records: Where can you find domain administrator’s email?

A

SOA not MX!

307
Q

What does NNTP stand for?

A

Network News Transfer Protocol

308
Q

What does DTP stand for?

A

Dynamic Trunking Protocol

309
Q

What does CRLF stand for?

A

Carriage Return Line Feed

310
Q

What port does Cisco HSRP operate on?

A

UDP 1985

311
Q

Name two DHCP vulnerabilities

A

DHCP Server SpoofDHCP Table Exhaustion - Snoop

312
Q

Name CDP vulnerabilities

A

Information disclosureSend a CDP packet and setup virtual deviceFlood CDP neighbors table

313
Q

Name HSRP vulnerabilities

A

DoS or MITMClear-text authentication

314
Q

Name VRRP vulnerabilities

A

Take over VRRP master role

315
Q

Name VTP vulnerabilities

A

Network topology information disclosureDelete all/one VLAN (DoS)Add a VLANCatalyst crash (DoS)

316
Q

Name TACACS vulnerabilities

A

Clear-text data transmission in RADIUS

317
Q

Which NET-SNMP versions were vulnerable?

A

All prior to 4.2.2

318
Q

Which SNMP version uses MD5 and encryption?

A

SNMPv2

319
Q

What does MIB stand for?

A

Management Information Base

320
Q

What does OID stand for?

A

Object Identifier

321
Q

Which SNMP version uses clear text data transfer?

A

SNMPv1

322
Q

OID: .1.3.6.1.2.1.1.5. What is the information retrieved?

A

Hostname

323
Q

OID: .1.3.6.1.4.1.77.1.4.2. What is the information retrieved?

A

Domain Name

324
Q

OID: .1.3.6.1.4.1.77.1.2.25. What is the information retrieved?

A

Usernames

325
Q

OID:.1.3.6.1.4.1.77.1.2.3.1.1. What is the information retrieved?

A

Running Services

326
Q

OID:.1.3.6.1.4.1.77.1.2.27. What is the information retrieved?

A

Share Information

327
Q

What does PPTP stand for?

A

Point-to-Point Tunelling Protocol

328
Q

What kind of encryption is IPSec based?

A

Based on symmetric-key encryption

329
Q

What does SA stand for?

A

Security Association

330
Q

Which module is used to define the IPSec protocol to be used, as well as crypttographic algorithms, keys and their lifetime?

A

Security Association (SA)

331
Q

What port does PPTP operate on?

A

TCP 1723

332
Q

What does MGCP stand for?

A

Media Gateway Control Protocol

333
Q

What does RTP stand for?

A

Real-Time Transport Protocol

334
Q

What does RTCP stand for?

A

Real-time Transport Control Protocol

335
Q

What does SRTP stand for?

A

Secure Real-time Transport Protocol

336
Q

What does SDP stand for?

A

Session Description Protocol

337
Q

What does IAX stand for?

A

Inter-Asterisk eXchange (IAX)

338
Q

What does BSS stand for?

A

Basic Service Set

339
Q

What does BSSID stand for?

A

Basic Service Set Identifier

340
Q

What does ESSID stand for?

A

Enhanced Service Set Identifier

341
Q

What does SSID stand for?

A

Service Set Identifier

342
Q

What does CCMP stand for?

A

Counter Cipher Mode with block chaining MAC Protocol

343
Q

What is the length of the WEP secret key?

A

40 bits

344
Q

What is the length of the WEP IV?

A

24 bits

345
Q

What does WEP use for integrity?

A

32-bit CRC

346
Q

What does MAIC stand for?

A

Message Authentication and Integrity Code

347
Q

What does WPS stand for?

A

Wi-Fi Protected Setup

348
Q

What protocol uses TKIP?

A

WPA

349
Q

What is the purpose of TKIP?

A

Encryption. 128-bit per packet

350
Q

What is the difference between WPA and WPA2?

A

Different encryption algorithm (WPA2 uses CCMP)

351
Q

What ports are available for Cisco web servers?

A

1003, 1004, 1005

352
Q

What does enable password and enable secret commands mean for a Cisco device?

A

enable password (clear-text), enable secret (MD5 or SHA)

353
Q

What kind of authentication is used in authNoPriv for SNMPv3 in Cisco?

A

MD5 or SHA, no encryption

354
Q

Which command is used to disable CDP from a CISCO device?

A

no cdp run

355
Q

What does authPriv means in a Cisco device?

A

MD5 or SHA 1 authentication and DES encryption

356
Q

In 64-bit WEP key, how many bits is the IV?

A

24

357
Q

How can you distinguish a root domain controller from a child domain controller?

A

Root DC has the NETBIOS name entry of <1B> (Domain Master Browser)

358
Q

What is the maximum which is defined by Microsoft for a new device to appear in the browse list of all other machines in the domain?

A

48 minutes, anywhere from 24 minutes on a well specified network

359
Q

What does CIFS stand for?

A

Common Internet File System

360
Q

What port does RPC operate on in Windows?

A

port 135

361
Q

What does NBT stand for?

A

NetBIOS Name Table

362
Q

What port does CIFS operate on?

A

port 445

363
Q

What port does Kerberos version IV operate on?

A

UDP 750

364
Q

What port does Kerberos change/set password - authentication mechanism operate on?

A

port 464

365
Q

What does RDP stand for?

A

Remote Desktop Protocol

366
Q

What does IFID stand for?

A

Interface ID

367
Q

What does SID stand for?

A

Security Identifier

368
Q

What is the command to perform a NULL session connection from Linux?

A

rpcclient -U “”%”” <>

369
Q

What is the command to perform a NULL session connection from smbclient?

A

smbclient //<>/ipc$

370
Q

What does LSA stand for?

A

Local Security Authority

371
Q

What does SAM stand for?

A

LSA Security Account Manager

372
Q

What does SCM stand for?

A

Service Control Manager

373
Q

RID Values: Administrator?

A

500

374
Q

RID Values: Guest user?

A

501

375
Q

RID Values:Domain Admins Group?

A

512

376
Q

RID Values:Domain User?

A

513

377
Q

RID Values:Domain Guest?

A

514

378
Q

What port does LDAP Global Catalogue server operate on?

A

port 3268

379
Q

What port does LDAP Global Catalogue server over SSL operate on?

A

port 3269

380
Q

What does FSMO stand for?

A

Flexible Single Master Operation

381
Q

On a Windows OS how are domain cached credentials stored?

A

Salted Hash

382
Q

What does DSE stand for?

A

Domain Specific Entry

383
Q

Which Windows password technique does not use salt?

A

LM / NT

384
Q

What does SMS stand for?

A

Systems Management Server

385
Q

What does SCCM stand for?

A

System Centre Configuration Manager

386
Q

What does SUS stand for?

A

Software Update Services

387
Q

What does WSUS stand for?

A

Windows Server Update Services

388
Q

What port does rwho operate on?

A

UDP 513

389
Q

Which OS is vulnerable to this kind of user enumeration: finger ‘1 2 3 4 5 6 7 8 9 0’@host?

A

Solaris, Returns all users

390
Q

What does this command means in Solaris: finger 0@host

A

Returns users with blank GCOS field in /etc/passwd

391
Q

What kind of password hash uses $1 in UNIX password?

A

MD5

392
Q

What kind of password hash uses $2 in UNIX password?

A

Blowfish

393
Q

What kind of password hash uses $2a in UNIX password?

A

EKS Blowfish

394
Q

What kind of password hash uses $3 in UNIX password?

A

NTLM, no salt

395
Q

What kind of password hash uses $5 in UNIX password?

A

SHA-256

396
Q

What kind of password hash uses $6 in UNIX password?

A

SHA-512

397
Q

What does NIS stand for?

A

Network Information Service

398
Q

How many clear-text characters is each LM hash?

A

14

399
Q

Which command would you use to list NFS shares on the system 10.10.10.10?

A

showmount -e 10.10.10.10

400
Q

Which of these is not a network service that can be used to obtaining usernames? a) rusers b) rwhoc) SMTP d) finger e) rpcinfo

A

e) RPCInfo

401
Q

What does the following .rhosts file signify in bob’s home directory?+ exchange

A

The user exchange can log in as bob from any server

402
Q

What is the default password for the SYS account on Oracle 10?

A

CHANGE_ON_INSTALL

403
Q

How many bits, bytes and octets are there in an IPv6 address? a) 128 bits, 16 bytes, 16 octets b) 32 bits, 4 bytes, 4 octets c) 64 bits, 8 bytes, 8 octets d) 32 bits, 8 bytes, 8 octets e) 64 bits, 4 bytes, 4 octets

A

a) 128 bits, 16 bytes, 16 octets

404
Q

What does POP stand for?

A

Post Office Protocol

405
Q

What port does videoconf (H.323) service operate on?

A

TCP 1720

406
Q

Which file defines host level authorization in NFS?

A

/etc/exports

407
Q

Which command is used to query NFS server?

A

showmount

408
Q

What action does an HTTP GET request perform?

A

It retrieves a resource from the web server.

409
Q

What action does an HTTP HEAD request perform?

A

It returns the same headers as a GET request but with no message body.

410
Q

What action does an HTTP POST request perform?

A

It performs actions sent in both URL query strings and in the message body.

411
Q

What action does an HTTP PUT request perform?

A

It attempts to upload the specified resource to the server, contained in the body of the request.

412
Q

What action does an HTTP DELETE request perform?

A

It attempts to remove the specified resource, contained in the body of the request.

413
Q

What action does an HTTP TRACE request perform?

A

It asks the server to return in the response body the exact contents of the request message it recieved. It is used to detect the effect of any proxy servers between the client and server.

414
Q

What action does an HTTP OPTIONS request perform?

A

It asks the server to report the HTTP methods that are available for a particular resource.

415
Q

What action does an HTTP CONNECT request perform?

A

It converts the request connection to a transparent TCP/IP tunnel, usually to facilitate HTTPS communication through an unencrypted HTTP proxy.

416
Q

What action does an HTTP PATCH request perform?

A

It attempts to apply partial modifications to a resource, contained in the body of the request.

417
Q

What is the HTTP status code for “OK”?

A

200

418
Q

What is the HTTP status code for “Created”?

A

201

419
Q

What is the HTTP status code for “Found”?

A

302

420
Q

What is the HTTP status code for “Not Modified”?

A

304

421
Q

What is the HTTP status code for “Bad Request”?

A

400

422
Q

What is the HTTP status code for “Unauthorized”?

A

401

423
Q

What is the HTTP status code for “Forbidden”?

A

403

424
Q

What is the HTTP status code for “Not Found”?

A

404

425
Q

What is the HTTP status code for “Method Not Allowed”?

A

405

426
Q

What is the HTTP status code for “Request Entity Too Large”?

A

413

427
Q

What is the HTTP status code for “Request URI Too Long”?

A

414

428
Q

What is the HTTP status code for “Internal Server Error”?

A

500

429
Q

What is the HTTP status code for “Service Unavailable”?

A

503

430
Q

What is the reason for using root_squash in NFS?

A

Prevent root on the NFS client from taking a superuser privilege on the NFS server

431
Q

What is the reason for using nosuid in NFS?

A

To disallow suids and guids to take effect on an NFS export mounted on the client

432
Q

What is the reason for using noexec in NFS?

A

To disable execution of executable files

433
Q

Which files list hosts and users that are trusted when a connection is made using R* services?

A

/etc/hosts.equiv, .rhosts

434
Q

What port does XDMC display protocol operate on?

A

UDP 177

435
Q

What port does Citrix operate on?

A

port 1494

436
Q

What does ICA stand for?

A

Independent Computing Architecture

437
Q

What does VNC stand for?

A

Virtual Network Computing

438
Q

Where does the VNC password string is stored in registry?

A

\HKEY_CURRENT_USER\Software\ORL\WinVNC3\HKEY_USERS.DEFAULT\Software\ORL\WinVNC3

439
Q

How can nmap be used to query RPC services?

A

nmap -sS -sR <>

440
Q

What does ISAPI stand for?

A

Internet Server Application Programming Interface

441
Q

/_vti_inf.html. Which kind of web server is this?

A

Microsoft IIS. Contains Microsoft Frontpage extensions

442
Q

What does SSP stand for?

A

Security Support Provider

443
Q

What port does BGP operate on?

A

TCP 179

444
Q

What does the Daytime service return?

A

Current date and current time in human readable form

445
Q

What does WSDL stand for?

A

Web Services Description Language

446
Q

IP Address: 192.168.1.29/24. How many hosts exist in total without the Network ID and the Broadcast Address?

A

254

447
Q

IP Address: 10.25.253.2/23Which is the broadcast address?

A

10.25.253.255

448
Q

IP Address: 10.145.25.1/9. Which is the Network ID?

A

10.128.0.0

449
Q

The maximum size of IP header is:a) 40b) 64c) 48d) 60

A

d)

450
Q

What does LSASS stand for?

A

Local Security Authority Subsystem Service

451
Q

How many possible IP addresses are there in a class B?

A

65536

452
Q

What informational message indicates web redirection? a) 1xx b) 2xx c) 3xx d) 4xx e) 5xx

A

c) 3xx

453
Q

Which act protects Privacy?

A

Human Rights Act

454
Q

IIS Banner: Microsoft-IIS/8.0. What is the OS?

A

Windows Server 2012, Windows 8

455
Q

IIS Banner: Microsoft-IIS/7.5. What is the OS?

A

Windows Server 2008 R2, Windows 7

456
Q

IIS Banner: Microsoft-IIS/7.0. What is the OS?

A

Windows Vista, Windows Server 2008

457
Q

IIS Banner: Microsoft-IIS/6.0. What is the OS?

A

Windows Server 2003, Windows XP Professional x64

458
Q

IIS Banner: Microsoft-IIS/5.0. What is the OS?

A

Windows 2000

459
Q

IIS Banner: Microsoft-IIS/4.0. What is the OS?

A

Windows NT 4 Option Pack

460
Q

IIS Banner: Microsoft-IIS/3.0. What is the OS?

A

Windows NT 4 SP2

461
Q

IIS Banner: Microsoft-IIS/2.0. What is the OS?

A

Windows NT 4

462
Q

Windows Versions: Windows 4.00?

A

Windows 95

463
Q

Windows Versions: Windows NT 4.1?

A

Windows 98

464
Q

Windows Versions: Windows NT 5.0?

A

Windows 2000

465
Q

Windows Versions: Windows NT 5.1?

A

Windows XP, Windows 2003

466
Q

Windows Versions: Windows NT 6.0?

A

Windows Vista, Windows 2008

467
Q

Windows Versions: Windows NT 6.1?

A

Windows 7, Windows 2008 R2

468
Q

Windows Versions: Windows NT 6.2?

A

Windows 8, Windows 2012

469
Q

Windows Versions: Windows NT 6.3?

A

Windows 8.1, Windows 2012 R2

470
Q

Which layer implements the application’s interface in a 3-tier architecture?

A

Presentation Layer

471
Q

Which layer implements the core application’s logic in a 3-tier architecture?

A

Application Layer

472
Q

What does XML stand for?

A

Extensible Markup Language

473
Q

Which are the files used from Apache for authentication?

A

.htaccess, httpd.conf

474
Q

Name the three different kinds of HTTP authentication

A

BasicNTLMDigest

475
Q

What does the If-None-Match header means and who is able to send it?

A

The client sends it to specify and submit an entity tag that the server issued earlier

476
Q

Which two headers does the server use to cache data?

A

Cache-Control, Pragma

477
Q

What does the 201 response code mean?

A

It is a response to a PUT request indicating a successful request

478
Q

What does the 301 response code mean?

A

Moved Permanently. Permanently redirects the browser to a different URL as specified to Location header

479
Q

What does the 302 response code mean?

A

Found. Temporarily redirects the browser to a different URL as specified in the Location header

480
Q

What does the 304 response code mean?

A

Not Modified. Instructs the browser to use its cached copy of the requested resource

481
Q

What does the 403 response code mean?

A

Forbidden. No one is allowed to access the resource regardless authentication

482
Q

What does the 401 response code mean?

A

Unauthorized. The server requires HTTP authentication

483
Q

What does the 405 response code mean?

A

Method Not Allowed. The method used in the request is not supported for the specified URL

484
Q

What does the 413 response code mean?

A

Request Entity Too Large

485
Q

What does the 414 response code mean?

A

Request URI Too Long

486
Q

The web server itself is functioning but the application accessed via the server is not responding. Which response code is likely to be returned?

A

503 Service Unavailable

487
Q

What does 404 response code mean?

A

Not Found. Requested resouce does not exist

488
Q

What does 500 response mean?

A

Internal Server Error. The server encountered a problem fullfilling the request

489
Q

Which header enforces secure connections to the server?

A

HTTP Strict-Transport-Security

490
Q

Which header prevents Clickjacking attacks?

A

X-Frame-Options

491
Q

Which header reduces exposure to drive-by download attacks?

A

X-Content-Type-Options

492
Q

How many possible IP addresses are there in a class C?

A

256

493
Q

What kind of password uses no dollar sign in Unix password?

A

DES

494
Q

What message is ICMP type 3 code 4?

A

Fragmentation required

495
Q

What message is ICMP type 3 code 5?

A

Source route failed

496
Q

What message is ICMP type 3 code 8?

A

Source host isolated

497
Q

What operating system has a TTL of 128?

A

Windows 98, 2000, Server 2003, XP

498
Q

What operating system has a TTL of 254?

A

Cisco IOS

499
Q

What Linux kernel version has a TTL of 255?

A

2.2.14, 2.4

500
Q

What does IMS stand for?

A

IP Multimedia Subsystem

CPSA NOTES (1 decks)

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