Chapter - 9 Check Your Understanding
Which statement is true about ARP? - An ARP cache cannot be manually deleted. - ARP entries are cached permanently. - ARP entries are cached temporarily.
- ARP entries are cached temporarily.
What two functions are provided by ARP? (Choose two.) - Maintains a table of IPv4 address to domain names. - Maintains a table of IPv4 to MAC address mappings. - Maintains a table of IPv6 to MAC address mappings. - Resolves IPv4 addresses to domain names - Resolves IPv4 addresses to MAC addresses. - Resolves IPv6 addresses to MAC addresses.
- Maintains a table of IPv4 to MAC address mappings. - Resolves IPv4 addresses to MAC addresses.
Which two ICMPv6 messages are used in to determine the MAC address of a known IPv6 address? - Neighbor Advertisement - Neighbor Solicitation - Router Advertisement - Router Solicitation
- Neighbor Advertisement - Neighbor Solicitation
Which two ICMPv6 messages are used in SLAAC? - Neighbor Advertisement - Neighbor Solicitation - Router Advertisement - Router Solicitation
- Router Advertisement - Router Solicitation
What two protocols are used to determine the MAC address of a known destination device IP address (IPv4 and IPv6)?
ARP and ND
What is an attack using ARP?
ARP poisoning
Where is the ARP table stored on a device?
RAM
What destination MAC address would be included in a frame sent from a source device to a destination device on the same local network?
The MAC address of the destination device.
What destination MAC address would be included in a frame sent from a source device to a destination device on a remote local network?
The MAC address of the local router interface.
To what type of address are ICMPv6 neighbor solicitation messages sent?
multicast
Which command could be used on a Cisco router to view its ARP table?
show ip arp
