CINS 3040 book chapter 9

Which destination MAC address is used in an ARP request?

127.0.0.1

Which action does a Layer 2 switch take when it receives a Layer 2 broadcast frame?

It forwards the frame out all ports except the port on which it received the frame.

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

It forwards the frame out all ports except the port on which the frame was received.

Which of the following does the ARP table in a switch map together?

Layer 3 address to a Layer 2 address

Which two ICMPv6 messages are used during the Ethernet MAC address resolution process?

Neighbor Solicitation and Neighbor Advertisement

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

RAM

When a host has an IPv4 packet sent to a host on a remote network, what address is requested in the ARP request?

The MAC address of the default gateway, the router interface closest to the sending host

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?

arp -a

What type of information is contained in an ARP table?

iPv4 address-to-MAC address mappings

What is the destination MAC address of an ICMPv6 Neighbor Solicitation message?

multicast

How does the ARP process use an IPv4 address?

o determine the MAC address of a device on the same network

What is one function of the ARP protocol?

resolving an IPv4 address to a MAC address

What is a function of ARP?

resolving known IPv4 addresses to unknown MAC addresses

What is the purpose of ARP in an IPv4 network?

to obtain a specific MAC address when an IP address is known