Cisco 1 Final Batch 1

Question 1

What destination MAC address would be included in a frame sent from a source device to a destination device on a remote local network?

Answer 1

The MAC address of the local router interface.

Question 2

What two protocols are used to determine the MAC address of a known destination device IP address (IPv4 and IPv6)?

Answer 2

ARP and ND

Question 3

What destination MAC address would be included in a frame sent from a source device to a destination device on the same local network?

Answer 3

The MAC address of the destination device.

Question 4

What two functions are provided by ARP? (Choose two.)

Answer 4

Maintains a table of IPv4 to MAC address mappings and Resolves IPv4 addresses to MAC addresses

Question 5

Where is the ARP table stored on a device?

Answer 5

RAM

Question 6

Which statement is true about ARP?

Answer 6

ARP entries are cached temporarily.

Question 7

Which command could be used on a Cisco router to view its ARP table?

Answer 7

Show ip arp

Question 8

What is an attack using ARP?

Answer 8

ARP Poisoning

Question 9

Which two ICMPv6 messages are used in SLAAC?

Answer 9

Router Advertisement and Router Solicitation

Question 10

To what type of address are ICMPv6 neighbor solicitation messages sent?

Answer 10

Multicast

Question 11

Which router component holds the routing table, ARP cache, and running configuration file?

Answer 11

RAM

Question 12

What type of information is contained in an ARP table?

Answer 12

IPv4 address to MAC address mappings

Question 13

A PC is configured to obtain an IPv4 address automatically from network 192.168.1.0/24. The network administrator issues the arp –a command and notices an entry of 192.168.1.255 ff-ff-ff-ff-ff-ff. Which statement describes this entry?

Answer 13

This is a static map entry.

Question 14

A cybersecurity analyst believes an attacker is spoofing the MAC address of the default gateway to perform a man-in-the-middle attack. Which command should the analyst use to view the MAC address a host is using to reach the default gateway

Answer 14

Arp –a

Question 15

What will a Layer 2 switch do when the destination MAC address of a received frame is not in the MAC table?

Answer 15

It forwards the frame out of all ports except for the port at which the frame was received.

Question 16

Which two ICMPv6 messages are used during the Ethernet MAC address resolution process? (Choose two.)

Answer 16

Neighbor advertisement and Router Solicitation

Question 17

How does the ARP process use an IPv4 address?

Answer 17

To determine the MAC address of a device on the same network.

Question 18

What is one function of the ARP protocol?

Answer 18

Resolving an IPv4 address to a MAC address.

Question 19

Which action is taken by a Layer 2 switch when it receives a Layer 2 broadcast frame?

Answer 19

It sends the frame to all ports except the port on which it received the frame.

Question 20

What addresses are mapped by ARP?

Answer 20

IPv4 address to a destination MAC address.

Question 21

When an IPv4 packet is sent to a host on a remote network, what information is provided by ARP?

Answer 21

The MAC address of the router interface closest to the sending host

Question 22

The ARP table in a switch maps which two types of address together?

Answer 22

Layer 3 address to Layer 2 address

Question 23

What is the purpose of ARP in an IPv4 network

Answer 23

To obtain a specific MAC address when an IP address is known.

Question 24

Which destination address is used in an ARP request frame?

Answer 24

FFFF.FFFF.FFFF

Question 25

A router boots and enters setup mode. What is the reason for this?

Answer 25

The configuration file is missing from NVRAM.

Question 26

Which command is used to encrypt all passwords in a router configuration file?

Answer 26

Router_A (config) # service password-encryption

Question 27

Company policy requires using the most secure method to safeguard access to the privileged exec and configuration mode on the routers. The privileged exec password is trustknow1. Which of the following router commands achieves the goal of providing the highest level of security?

Answer 27

enable secret trustknow1

Question 28

What will be the response from the router after the command, “router(config)# hostname portsmouth” is entered?

Answer 28

portsmouth(config)#

Question 29

An administrator is configuring a new router to permit out-of-band management access. Which set of commands will allow the required login using a password of cisco?

Answer 29

Router(config)# line console 0, Router(config-line)# password cisco, Router(config-line)# login

Question 30

Which command can be used on a Cisco router to display all interfaces, the IPv4 address assigned, and the current status?

Answer 30

show ip interface brief

Question 31

Which CLI mode allows users to access all device commands, such as those used for configuration, management, and troubleshooting?

Answer 31

privileged EXEC mode

Question 32

What is the purpose of the startup configuration file on a Cisco router?

Answer 32

to contain the commands that are used to initially configure a router on startup

Question 33

Which characteristic describes the default gateway of a host computer?

Answer 33

the logical address of the router interface on the same network as the host computer

Question 34

What is the purpose of the banner motd command?

Answer 34

It provides a way to make announcements to those who log in to a router.

Question 35

A technician is configuring a router to allow for all forms of management access. As part of each different type of access, the technician is trying to type the command login. Which configuration mode should be entered to do this task?

Answer 35

any line configuration mode