A.127.0.0.1
B.172.16.0.1
C.192.168.0.5
D.223.0.0.1
E.224.0.0.5
F.254.255.255.255

A.Ethernet
B.Fast Ethernet
C.Gigabit Ethernet
D.asynchronous serial
E.synchronous serial

A.to confine network instability to single areas of the network.
B.to reduce the complexity of router configuration
C.to speed up convergence
D.to lower costs by replacing routers with distribution layer switches
E.to decrease latency by increasing bandwidth
F.to reduce routing overhead

A.Send ACK 1-3
B.Send ACK 3
C.Send ACK 4
D.Send ACK 4-6
E.Send ACK 6
F.Send ACK 7

A.RouterC會(huì)使用ICMP通知Host1&ldquo；Host2無法到達(dá)&rdquo；
B.RouterC會(huì)使用ICMP通知Host1&ldquo；Host1無法到達(dá)&rdquo；
C.RouterC會(huì)使用ICMP通知Host1，RouterA和RouterB&ldquo；Host2無法到達(dá)&rdquo；
D.RouterC會(huì)發(fā)送一個(gè)&ldquo；DestinationUnreachable&rdquo；的消息類型
E.RouterC會(huì)發(fā)送一個(gè)&ldquo；RouterSelection&rdquo；的消息類型
F.RouterC會(huì)發(fā)送一個(gè)&ldquo；SourceQuench&rdquo；的消息類型

A.8 subnets, 31 hosts
B.8 subnets, 32 hosts
C.16 subnets, 30 hosts
D.16 subnets, 32 hosts
E.A Class B address can't be subnetted into the fourth octet.

A.access-list 101 in
B.access-list 101 out
C.ipaccess-group 101 in
D.ipaccess-group 101 out

A.Configure the no ip subnet-zero command on R1, R2, and R3.
B.Dynamic routing protocols such as RIPv2 cannot be used across Frame Relay networks.
C.Configure the S0/0 interface on R1 as two subinterfaces and configure point-to-point links to R2 and R3.
D.Change the 172.16.2.0/25 and 172.16.2.128/25 subnetworks so that at least two bits are borrowed from the last octet.
E.Change the network address configuration to eliminate the discontiguous 172.16.2.0/25 and 172.16.2.128/25 subnetwork.

A.
B.
C.
D.
E.
F.

A.lowest port MAC address
B.port priority number and MAC address.
C.VTP revision number
D.highest port priority number.
E.pathcost