Address Resolution
arp -a
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?
To determine the MAC address of a device on the same network
How does the ARP process use an IPv4 address?
Layer 3 address to a Layer 2 address
The ARP table in a switch maps which two types of address together?
IPv4 address to a destination MAC address
What addresses are mapped by ARP?
Resolving an IPv4 address to a MAC address
What is one function of the ARP protocol?
To obtain a specific MAC address when an IP address is known
What is the purpose of ARP in an IPv4 network?
IPv4 address to MAC address mappings
What type of information is contained in an ARP table?
It forwards the frame out of all ports except for the port at which the frame was received.
What will a Layer 2 switch do when the destination MAC address of a received frame is not in the MAC table?
The MAC address of the router interface closest to the sending host
When an IPv4 packet is sent to a host on a remote network, what information is provided by ARP?
It sends the frame to all ports except the port on which it received the frame.
Which action is taken by a Layer 2 switch when it receives a Layer 2 broadcast frame?
FFFF.FFFF.FFFF
Which destination address is used in an ARP request frame?
RAM
Which router component holds the routing table, ARP cache, and running configuration file?
