PDF Answers

Question 1

What protocol is used by IPv4 to resolve MAC addresses

Answer 1

Address Resolution Protocol (ARP)

Question 2

What field in the IPv4 header is used to prevent infinite lopops

Answer 2

Time to live (TTL)

Question 3

What command shows the ARP table on a Cisco router

Answer 3

Show ip arp

Question 4

Which protocol uses Neighbor Solicitation and Advertisement f ro address resolution?

Answer 4

Neighbor Discovery

Question 5

What command saves the current running configuration to NVRAM?

Answer 5

copy running-config startup-confiog

Question 6

What address is used to reach a device on a different network?

Answer 6

Default GatewayW

Question 7

What comand displays IPv6 addresses assigned to interfaces on a router?

Answer 7

Show ipv6 interface brief

Question 8

What is the name of the proceess where IP adds a header to the transport layer data?

Answer 8

Encapsulation

Question 9

What is the purpose of the “service password-encryption” command?

Answer 9

Encryptsw all plaintext passwords

Question 10

Which protocol operates at Layer 3 and provides logical addresssing

Answer 10

Internet Protocol

Question 11

Which field in the IPv6 header replaces the TTL field in IPv4?

Answer 11

Hop limit

Question 12

What command displays the IPv4 rouritn table on a router?

Answer 12

Show ip route

Question 13

What is the default gateway used for?

Answer 13

To route packes to another network

Question 14

What is the command to view the routing table on a PC

Answer 14

route print or netstat -r

Question 15

Whta are the two primary layer 3 protocols

Answer 15

IPv4 and IPv6

Question 16

What does the “no shutdown” command do on an interfae?

Answer 16

Enables the interface

Question 17

Whta is the purpose of the ‘banner motd’ command?

Answer 17

Displays a legal warning message

Question 18

What type of routing must be condigured manually by the admin?

Answer 18

Static Routing

Question 19

T or F. IPv6 uses ARP to resolve MAC address

Answer 19

Flse

Question 20

T or F. The Mac address changes when a packet travels through routers

Answer 20

False

Question 21

T or F.
IP is a connection-oriented protocol

Answer 21

False

Question 22

T or F.
The ARP table acn be cleared mnully by the use?

Answer 22

True

Question 23

T or F
IPv4 provides guaranteed delivery of packets

Answer 23

Falsae

Question 24

T or F
You must use the ‘no shutdown’ command to activate an interafac

Answer 24

True

Question 25

T or F The 'show ip interface brief' command displays the IPv6 ddressers

Answer 25

False

Question 26

T or F All cisco routers support SSH by default

Answer 26

False

Question 27

T or F IPv6 has a fixed header length of 40 bytes

Answer 27

True

Question 28

T or F NAT is required in IPv6

Answer 28

False

Question 29

T or F A default gateway is not required if all devices are local

Answer 29

True

Question 30

T or F Static routes adjust automatiaclly when the topology chganges

Answer 30

Flase

Question 31

T or F The enable secret passwod is stored in plain text

Answer 31

Flase

Question 32

T or F IPv4 hsa a limited address space of 32 bits

Answer 32

True

Question 33

T or F IPv6 are 128 bits long

Answer 33

True

Question 34

T or F Show interfaces displays physical and logial status

Answer 34

True

Question 35

T or F A switch can have a default gateway

Answer 35

True

Question 36

T or F The command 'arp -a' works on Linux and Windows

Answer 36

True

Question 37

T or F The 'banner motd' command displays the mesage before loogin

Answer 37

Trure