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CEH v11 Practice Exams - Fifth Edition > Ports > Flashcards

Ports Flashcards

1
Q

20

A

File Transfer Protocol (FTP) Data Transfer / connection

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2
Q

21

A

File Transfer Protocol (FTP) Command Control / session control

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3
Q

22

A

Secure Shell (SSH) / Secure Copy (SCP)

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4
Q

23

A

Telnet - Remote login service, unencrypted text messages

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5
Q

25

A

Simple Mail Transfer Protocol (SMTP) E-mail Routing - sending

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6
Q

49

A

TACACS+ Terminal Access Controller Access Control System

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7
Q

50 / 51

A

IPsec Encapsulating Security Payload (ESP)
/
IPsec Authentication Header (AH)

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8
Q

53

A

Domain Name System (DNS) service - UDP queries and replies | TCP zone transfers

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9
Q

67 / 68

A

Dynamic Host Configuration Protocol (DHCP) - a network protocol that automatically assigns IP addresses and other communication parameters to devices on a network

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10
Q

69

A

UDP: Trivial File Transfer Protocol (TFTP)

TFTP is not secure because it uses UDP for transport. It doesn’t have provisions for user authentication, and it’s not possible to list, delete, or rename files or directories.

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11
Q

80 / 8080

A

Hypertext Transfer Protocol (HTTP) used in World Wide Web

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12
Q

88

A

Kerberos

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13
Q

110

A

Post Office Protocol (POP3) used by e-mail clients to retrieve e-mail from a server

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14
Q

111

A

Portmapper (Linux)

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15
Q

119

A

Network News Transfer Protocol (NNTP)

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16
Q

123

A

Network Time Protocol (NTP) - UDP synchronizing device clocks

17
Q

137 / 138 / 139

A

TCP & UDP NetBIOS

18
Q

143

A

Internet Message Access Protocol (IMAP) Management of Digital Mail - receive

19
Q

161 / 162

A

Simple Network Management Protocol (SNMP)
/
UDP: SNMP notifications. traps (error messages and notifications)

20
Q

194

A

Internet Relay Chat (IRC)

21
Q

389 / 636

A

Lightweight Directory Access Protocol (LDAP) - LDAPS -> 636

22
Q

443

A

HTTP Secure (HTTPS) HTTP over TLS/SSL / VPN

23
Q

445

A

Server Message Block (SMB) - TCP

24
Q

465 / 587

A

SMTPS w/ SSL - TLS -> 587

25
Q

500

A

Internet Key Exchange (IKE) / ISAKMP

26
Q

514

A

SYSLOG

27
Q

989 / 990

A

TLS/SSL

28
Q

1433 / 1434

A

MS SQL Server

29
Q

1521

A

Oracle DB

30
Q

1701

A

Layer 2 Forwarding Protocol (L2F)

31
Q

1723

A

Point-to-Point Tunneling Protocol (PPTP)

32
Q

1812 / 1813

A

RADIUS

33
Q

3306

A

MySQL

34
Q

3389

A

Remote Desktop Protocol (RDP)

35
Q

5060 / 5061

A

Session Initiation Protocol (SIP)

36
Q

9100

A

HP JetDirect - Very popular printer port

CEH v11 Practice Exams - Fifth Edition (9 decks)

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