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CompTIA Network+ 009 > Dion Network+ > Flashcards

Dion Network+ Flashcards

1
Q

Wi-Fi Standard is IEEE

A

802.11 (remember i and i being .11)

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2
Q

Ethernet Standard is IEEE

A

802.3 (ethernet is three)

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3
Q

Data in OSI model

A

Do * 3
Some
People
Fear
Birthdays

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4
Q

Do * 3
Some
People
Fear
Birthdays

A

Data
Segments
Packets
Frames
Bits

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5
Q

MAC Address in Data Link Layer controls

A

The address

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6
Q

LLC (Logic Link Controller) in Data Link controls

A

data flow and some error control

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7
Q

ICMP (Internet Control Protocol) is at which layer

A

Network

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8
Q

Router is at which layer

A

Network

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9
Q

Multi layer switch is at which layer

A

Network

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9
Q

Switch is at which layer unless told

A

Data link

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10
Q

H.323/RTP/NetBIOS at which layer

A

Session

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11
Q

Data formatting and encryption at which layer

A

Presentation

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12
Q

UDP data is called

A

Datagram

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13
Q

TCP data is called

A

Segments

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14
Q

Default frame in MTU

A

1500

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15
Q

Jumbo Frame in MTU

A

9000

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16
Q

We add source and destination ports at layer

A

4 (Transport)

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17
Q

We add our source and destination IP addresses at layer

A

3 (Network)

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18
Q

We add our source and destination MAC addresses at layer

A

2 (Data Link)

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19
Q

Windowing is done by which protocol

A

TCP

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20
Q

Ping is a command in which protocol

A

ICMP

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21
Q

ICMP is used for

A

network diagnostic and error reporting tool

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22
Q

Port 80

A

HTTP

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23
Q

Port 443

A

HTTPS

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24
Q

HTTPS uses which tunnels

A

SSL or TLS

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25
Q

SMTP (Simple Mail Transfer Protocol) uses port

A

25

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26
Q

SMTPS on which port

A

Secure version 587

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27
Q

SMTP on sends

A

emails

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28
Q

FTP is on ports

A

20 - actual data transfer 21 - sending control command

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29
Q

SFTP is secure FTP and is on port

A

22

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30
Q

SFTP is an FTP protocol through an

A

SSH connection

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31
Q

(TrivialFTP) TFTP is a simpler version of FTP on port

A

69

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32
Q

SMB is to read and write to servers on port

A

445

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33
Q

SMB is used in a LAN not across the

A

internet

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34
Q

Secure Shell (SSH) used for secure remote login over an unsecure network and is on port

A

22

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34
Q

SSH is for encrypted tunnel for text based

A

commands

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34
Q

SIP (Session Initiation Protocol) is on port

A

5060 / 5061

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34
Q

Remote Desktop Protocol (RDP) is on port

A

3389

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34
Q

Telnet is on port

A

23

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34
Q

DHCP is on port

A

67\68

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35
Q

SQL for microsoft is port

A

1433

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35
Q

LDAP over SSL (LDAPS) is on port

A

636

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35
Q

DNS is on port

A

53

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35
Q

Syslog is on port

A

514

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35
Q

SNMP (Simple Network Management Protocol) is for

A

controlling network devices

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35
Q

SNMP managers use port

A

161

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35
Q

Lightweight Directory Access Protocol (LDAP) is on port

A

389

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36
Q

SNMP agents use port

A

162

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36
Q

NTP (Network Time Protocol) is on port

A

123

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37
Q

CAT 5 speed

A

100 (for all)

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38
Q

CAT 5e (enhanced) speed

A

1000Mbps/1 Gbps (*10)

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39
Q

CAT 6 speed

A

1Gbps
10Gbps if 55 meters or less

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40
Q

CAT 6a speed

A

10Gbps for 100meters

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41
Q

CAT 8 speed

A

40Gbps for 30 meters

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42
Q

RG-6 cable is used for

A

cable modem

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43
Q

Coaxial cables speeds

A

1Gbps for 300 meters

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44
Q

DAC cables speeds

A

active 100 Gbps at 15 meters
passive 100 Gbps at 7 meters

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45
Q

Twinaxial cables (better) are used for

A

SFP+ and QSFP between routers or switches

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46
Q

Twinaxial cables speeds

A

10G for 100m
100G for 7m

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47
Q

Plenum cables (fire resistant) used in what space

A

roof

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48
Q

Cable Speeds start with CAT 5 and go up by a factor of 10

A

CAT 5 (100Mbps), CAT 5e (1Gbps), CAT 6 (same but 10Gbps at 55m)
CAT 6a (10Gbps at 100m), CAT 8

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49
Q

Cabling standard 568B colouring (straight Through)

A

eg switch to computer

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50
Q

a cable for a switch to a swtich is

A

a crossover cabel

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51
Q

MDIX simulates the crossover for a cable for exam

A

don’t assume

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52
Q

CAT cabling Mnemonics for 568B

A

We Only Order Great Burgers While Guests Bring Beer

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53
Q

We Only Order Great Burgers While Guests Bring Beer (568B)

A

White-Orange, Orange, White-Green, Blue, White-Blue, Green, White-Brown, Brown

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54
Q

Single-mode Fiber (SMF) optical cable colour

A

Yellow

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55
Q

Multi-mode Fiber (MMF) optical cable colour

A

Aqua blue or orange

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56
Q

Subscriber Connector (SC) optical nick name

A

Stick and click (square shape)

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57
Q

Lucent Connector (LC) optical smaller nick name

A

Love connector

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58
Q

Mechanical Transfer-Registered Jack (MTRJ) how many fibers

A

Two

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59
Q

Straight Tip Connector (ST) nick name great outdoors

A

stick and twist like BNC

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60
Q

Media converters and transeivers are which layer devices

A

Physical

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61
Q

Multi-Fiber Push on (MPO) have multiple what

A

Fibers

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62
Q

2.4GHz channels to be used

A

1 6 11

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63
Q

5 GHz has how many channels

A

24

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64
Q

5 GHz uses is based on the WiFi standard

A

802.11

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65
Q

802.11h wireless standardhas the features

A

Dynamic Frequency Selection (DFS) - looks for radar signals
Transmit Power Control (TPC) - minimum power consumption

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66
Q

802.11a specs

A

5GHz speed 54Mbps range 35m

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67
Q

802.11b specs

A

2.4GHz speed 11 Mbps range 140m

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68
Q

802.11g specs

A

2.4 GHz speed 54 Mbps range 140m

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69
Q

802.11n specs

A

5GHz speed 600 Mbps range 35m

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70
Q

802.11ac specs

A

2.4 and 5GHz speeds 1.3 Gbps

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71
Q

802.11ax specs

A

2.4, 5, and 6 GHz speed 9.6Gbps

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72
Q

802.11 2.4Ghz wireless which letters

A

b, g, n, ax

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73
Q

802.11 5GHz which letters

A

a, n, ac, ax

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74
Q

802.11 6GHZ which letters

A

ax

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75
Q

802.1X security for WiFi

A

different user logins

76
Q

WPA uses which vector

A

TKIP very wea

77
Q

WEP is associated with which term

A

InitializationVector (IV)

78
Q

WPA is associated with the terms

A

TKIP and RC4

79
Q

WPA2 is associated with the terms

A

CCMP and AES

80
Q

WPA3 is associated with the term

A

SAE

81
Q

Class A 255.0.0.0 first octet

A

1-127

82
Q

Broadcast Storm

A

Multiple copies of frames being forwarded back and forth which then consumes the network

83
Q

Network Access Control (NAC) is a

A

method for increasing the security of a given network by inspecting devices trying to connect to a network.

84
Q

802.1x Authentication provides an

A

authentication framework for metworks and ensures only authenticated users can access network services

85
Q

RADIUS server performs what function

A

Authentication

86
Q

MTU default size for ethernet is

A

1500

87
Q

Class B subnet mask 255.255.0.0 first octet public

A

128-191

88
Q

Class C subnet mask 255.255.255.0 first octet public

A

192-223

89
Q

Class D multicast first octet public

A

224-239

90
Q

Class E first octet public

A

240-255

91
Q

Private IP Class A Starting Value 10 what is range

A

10.0.0.0 -10.255.255.255

92
Q

Private IP Class B Starting value 172.16 - 172.31 what is the range

A

172.16.0.0 - 172.31.255.255

93
Q

Private IP Class C Starting value 192.168 what is the range

A

192.168.0.0 - 192.168.255.255

94
Q

Loopback IP is Address

A

127.0.0.1

95
Q

APIPA - automatic Private IP address range is (when DHCP cannot give IP address)

A

169.254.0.0 - 169.254.255.255

96
Q

DORA stands for

A

Discover
Offer
Request
Acknowledge

97
Q

DHCP assigns what

A

IP Address
Subnet mask
Default gateway
DNS/WINS server

98
Q

RADIUS uses which protocol

A

UDP

99
Q

RADIUS uses ports

A

1812 and 1813

100
Q

IPSec provides security for what type of network

A

VPN

101
Q

Kerberos uses a system of tickets to allow nodes to communicate over a non-secure network and securely prove their identity. NA

A

NA

102
Q

APIPA address starts with

A

169

103
Q

MTTR stands for

A

Mean Time to Repair

104
Q

RTO stands for

A

Recovery time objective

105
Q

RPO stands for

A

Recovery Point objective

106
Q

MTBF stands for

A

Mean Time between failures

107
Q

Crossover cables are used to connect two of the

A

same device together

108
Q

CDA in three-tier hierarchical model stands for

A

Core Distribution Access

109
Q

7 step syslog severity letters

A

E ACE WN ID

110
Q

E ACE WN ID stands for

A

Emergency
Alert
Critical
Error
Warning
Notice
Information
Debugging

111
Q

VTP transparent mode Virtual Switch is what?

A

VTP Transport mode does not synchronize VLAN configuration information with other switches. VTP advertisements when received are not applied to the VLAN database. This mode is used when you want to make the switch independent from current vlan structure. This mode has lowest impact when adding new switch to your switching topology.

112
Q

SFP+ (Small Form-Factor Pluggable Plus) speeds

A

10Gbs

113
Q

What is the purpose of a pointer (PTF) DNS record?

A

Maps an IP address to a hostname

114
Q

Public IP Class A range

A

1-127

115
Q

Public IP Class B range

A

128-191

116
Q

Public IP Class C range

A

128-223

117
Q

FTP and SMTP operate at which level of OSI

A

Application

118
Q

IP is at which OSI level

A

Network

119
Q

NFV, NSG and NSL stand for

A

Network functions virtualization, Network Security Group, Network Security Lists

120
Q

A dual stack set up is running

A

IP4 and IP6 at the same time.

121
Q

NSL (Network Security List) are associated with which part of the network

A

Infrastructure components eg load balancers

122
Q

TLS is the protocol being used when SSL is omplemented and they stand for

A

Transport Layer Security and Secure sockets layer

122
Q

NSG (Network Security Groups) control inbound and outbound traffic and act as virtual what?

A

Firewalls

123
Q

the order of DHCP options from class, scope server, reserve client

A

reserve client, class, scope, server

124
Q

Forward DNS zone maps

A

domain names to IP addresses

125
Q

Reverse DNS Zone have what types of records

A

pointer

126
Q

FQDN stands for

A

Fully Qualified Domain Name

127
Q

Structure of FQDN

A

Hostname, Domain Name, Top-Level Domain (TLD)

128
Q

Purpose of a VPN concentrator

A

to terminate the VPN tunnels

129
Q

RADIUS provides

A

centralized remote user authentication and accounting and also supports 802.1x port-based authentication

130
Q

PAT (Port address translation)

A

able to share a single IP address amoung multiple computers

131
Q

For IaC the following terms Playbooks/templates/reusable tasks, configuration drift/compliance, upgrades, and dynamic inventories are matched with

A

Automation

132
Q

For Iac the following terms version control, central repository, conflict identification, and branching are matched with

A

Source control

133
Q

Reverse Zone DNS lookup

A

IP addresses back to hostnames

134
Q

Forward Zone DNS lookup

A

domain names into IP addresses

135
Q

IPAM (IP address management) allows

A

integration of DNS and DHCP so that each is aware of changes in the other.

136
Q

Port for POP3

A

110

137
Q

DNS records to enter DKIM or SPF are what file type

A

TXT

138
Q

801.q standard is used for

A

VLAN

139
Q

802.1d standard is used for

A

STP (Spanning tree protocol) uses BPDU

140
Q

802.1af standard is used for

A

POE

141
Q

802.1x standard is used for

A

network authentication protocol

142
Q

ISAMKP is a

A

Key management protocol

143
Q

SAML is used in

A

SSO

144
Q

RDP is on port and is on TCP or UDP

A

3389 TCP

145
Q

OSI Level for Bridge

A

2

146
Q

OSI Level for Switch

A

2 or 3

147
Q

OSI Level for firewall

A

3 to 7

148
Q

OSI Level for Hub

A

1

149
Q

IS OSPF a classless protocol

A

Yes

150
Q

Cabling Base-T are what type of cable

A

copper

151
Q

Cabling Base-S is it single or double

A

Remember S is not single

152
Q

802.3ad is for which protocol

A

LACP (Link Aggregation Control Protocol)

153
Q

MIMO is what?

A

MIMO uses multiple antennas for transmission and reception,

154
Q

Is a high signal to noise ratio good on a wireless network?

A

Yes

155
Q

Which cables to swap for CAT wiring from B to A

A

orange to green

156
Q

Split Horizon is in which protocols

A

RIP (Routing Information Protocol) and EIGRP (Enhanced Interior Gateway Routing Protocol).

157
Q

RCF 919 is a method for

A

Broadcasting internet datagrams

158
Q

AUP stands for

A

Acceptable use policy

159
Q

HSPA+ (Evolved High-Speed Packet Access) and EV-DO (Evolution-Data Optimized) are mobile broadband technologies designed to provide high-speed internet access for cellular networks. Both emerged during the era of

A

3G

160
Q

Routing Protocols

A

RIP (Routing Information Protocol) is primarily used within a single autonomous system and is less suitable for inter-domain routing.

EIGRP (Enhanced Interior Gateway Routing Protocol) is an interior gateway protocol designed for use within a single autonomous system.

OSPF (Open Shortest Path First) is an interior gateway protocol used within a single autonomous system, not for inter-domain routing.

BGP (Border Gateway Protocol) is designed for inter-domain routing between different autonomous systems, making it suitable for large-scale enterprise networks with diverse routing domains.

161
Q

Captive portals usually rely on 802.1x, and 802.1x uses

A

RADIUS for authentication.

162
Q

VRRP stands for

A

Virtual Router Redundancy Protocol (VRRP) allows for automaƟc assignment of available routers to
participating hosts, ensuring conƟnuous network availability even if one router fail.

First Hop Redundancy Protocol (FHRP) is a general term for protocols like VRRP that provide the
ability to automaƟcally failover to a backup router in case of the primary router failure, minimizing
downtime and maintaining network resilience.

163
Q

LLPD is

A

LLDP: A vendor-neutral protocol used to discover and share information between network devices,
such as identity, capabilities, and neighbors.
 Usage: Helps in identifying network topology, troubleshooting connectivity issues, and
ensuring proper network configuration.

164
Q

CDP is

A

CDP: A Cisco-proprietary protocol similar to LLDP, specifically used in Cisco networks to share
information about directly connected Cisco devices.

165
Q

QoS operates at which OSI levels

A

2 and 3

166
Q

Multicasting is

A

one to many (subscriber)

167
Q

Unicast is

A

one to one

168
Q

Broadcast is

A

One to all

169
Q

Anycast is

A

sent to nearest receiver on same IP

170
Q

Optical cable Multi mode distance (long/short)

A

short

171
Q

Optical Cable Single mode distance (long/short)

A

Long

172
Q

Voltage for data centers

A

208V

173
Q

IPv6 address of ::1

A

loopback

174
Q

nmap -o (with IP) does?

A

operating system detail of the target server.

175
Q

Anycast can only be used on IPv?

A

6

176
Q

show interface command does?

A

This command provides comprehensive details about the operational state of the interface, including its bandwidth, duplex mode, MAC address, IP address, input/output errors, and drops.

177
Q

TACACS+ was developed as a proprietary protocol by Cisco. Kerberos is a network authentication protocol designed

A

to provide strong mutual authentication for client/server applications using secret-key cryptography developed by MIT.

178
Q

nmap -sT does

A

initiates a TCP connect scan.

179
Q

Hot Standby Router Protocol (HSRP)

A

Allows for active router and standby router

180
Q

WAN circuit switched

A

one to many

181
Q

WAN packet switched

A

many to many

182
Q

WAN frame relay

A

many to one

183
Q

NAT64 allows

A

IPv6-only devices to access IPv4 resources

184
Q

FCoE (Fibre Channel over Ethernet) network throughput, provided all network devices recognize their specific frame size

A

Jumbo frame

185
Q

captive portals are implemented by using

A

an HTTP redirect, an ICMP redirect, or a DNS redirect

186
Q

What metric does OSPF use for route selection?

A

cost

187
Q

LACP

A

Link Aggregation Control Protocol

188
Q

nmap -p

A

scans the post and the computer listed
eg
20, 80, 445 10.245.20.1

189
Q

OSPF (Open Shortest Path First) calculates the shortest path using

A

the Dijkstra algorithm,

190
Q

EIGRP uses the Diffusing Update Algorithm (DUAL)

A

to achieve rapid convergence and ensure that routing is loop-free and reliable.

191
Q

LLDP

A

protocol used for dynamically discovering and advertising capabilities of network devices on a local area network.

192
Q

HIDS is a

A

host-based intrusion detection system

193
Q

Broadcast only works on IPv?

A

4

194
Q

MIB in SNMP is

A

The management information base (MIB) is a translation file that is used to describe the structure of the management data of a device subsystem using a hierarchical namespace containing object identifiers (OID).

195
Q

Is IaC branching is

A

in version control systems allows developers to work on different features or fixes in isolation

196
Q

what does the application layer within software-defined networking do?

A

focuses on the communication resource requests or information about the network

197
Q

what does the Management layer within software-defined networking do?

A

is used to monitor traffic conditions, the status of the network, and allows network administrators to oversee the network and gain insight into its operations.

198
Q

what does the control layer within software-defined networking do?

A

uses the information from applications to decide how to route a data packet on the network and to make decisions about how traffic should be prioritized, how it should be secured, and where it should be forwarded to.

199
Q

what does the infrastructure layer within software-defined networking do?

A

contains the physical networking devices that receive information from the control layer about where to move the data and then perform those movements.

200
Q

Native VLANS use tagged or untagged traffic?

A

untagged

201
Q

The Rapid Spanning Tree Protocol (RSTP) achieves faster convergence compared to the original Spanning Tree Protocol (STP) through the use of

A

point-to-point links.

202
Q

nmap -sU

A

UDP

203
Q

nmap -sT

A

TCP

204
Q

nmap -sV

A

version

205
Q

RADIUS, TACACS+, and PAP are all protocols that contain known vulnerabilities that would require

A

additional encryption to secure them during the authentication process.

CompTIA Network+ 009 (3 decks)

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