Host1正在試圖和Host2聯(lián)系。RouterC的e0接口是down的，以下選項(xiàng)正確的是？（）
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
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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.
As a network administrator，you have been instructed to prevent all traffic or iginating on the LAN from entering the R2 router.Which the following command would implement the access list on the interface of theR2 router？（）
A.access-list 101 in
B.access-list 101 out
C.ipaccess-group 101 in
D.ipaccess-group 101 out
S0/0 on R1 is configured as a multipoint interface to communicate with R2 and R3 in the hub-and-spoke Frame Relay topology shown in the exhibit. Originally, static routes were configured between these routers to successfully route traffic between the attached networks. What will need to be done in order to use RIPv2 in place of the static routes?（）
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
最新試題
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