Final Exam ITN 154 Questions With Complete
Solutions
The new LAN must support 25 connected devices. What is the smallest network mask
that the network administrator can use for the new network? - ANSWER 224
The new LAN must support 61 connected devices. What is the smallest network mask
that the network administrator can use for the new network? - ANSWER 192
The new LAN must support 90 connected devices. What is the smallest network mask
that the network administrator can use for the new network? - ANSWER 128
The new LAN must support 4 connected devices. What is the smallest network mask
that the network administrator can use for the new network? - ANSWER 248
The new LAN must support 200 connected devices. What is the smallest network mask
that the network administrator can use for the new network? - ANSWER 0
The new LAN must support 10 connected devices. What is the smallest network mask
that the network administrator can use for the new network? - ANSWER 240
What are two ICMPv6 messages that are not present in ICMP for IPv4? - ANSWER
Neighbor Solicitation and Router Advertisment
DHCP Port Number - ANSWER 67
What are two problems that can be caused by a large number of ARP request and reply
messages? - ANSWER The ARP request is sent as a broadcast, and will flood the entire
subnet. All ARP request messages must be processed by all nodes on the local network.
Solutions
The new LAN must support 25 connected devices. What is the smallest network mask
that the network administrator can use for the new network? - ANSWER 224
The new LAN must support 61 connected devices. What is the smallest network mask
that the network administrator can use for the new network? - ANSWER 192
The new LAN must support 90 connected devices. What is the smallest network mask
that the network administrator can use for the new network? - ANSWER 128
The new LAN must support 4 connected devices. What is the smallest network mask
that the network administrator can use for the new network? - ANSWER 248
The new LAN must support 200 connected devices. What is the smallest network mask
that the network administrator can use for the new network? - ANSWER 0
The new LAN must support 10 connected devices. What is the smallest network mask
that the network administrator can use for the new network? - ANSWER 240
What are two ICMPv6 messages that are not present in ICMP for IPv4? - ANSWER
Neighbor Solicitation and Router Advertisment
DHCP Port Number - ANSWER 67
What are two problems that can be caused by a large number of ARP request and reply
messages? - ANSWER The ARP request is sent as a broadcast, and will flood the entire
subnet. All ARP request messages must be processed by all nodes on the local network.
