A TCP/IP Transfer is diagrammed in the exhibit.A window size of three has been negotiated for this transfer. Which message will be returned from the receiver to the sender as part of this TCP/IP transfer?（）
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
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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(wú)法到達(dá)&rdquo；
B.RouterC會(huì)使用ICMP通知Host1&ldquo；Host1無(wú)法到達(dá)&rdquo；
C.RouterC會(huì)使用ICMP通知Host1，RouterA和RouterB&ldquo；Host2無(wú)法到達(dá)&rdquo；
D.RouterC會(huì)發(fā)送一個(gè)&ldquo；DestinationUnreachable&rdquo；的消息類(lèi)型
E.RouterC會(huì)發(fā)送一個(gè)&ldquo；RouterSelection&rdquo；的消息類(lèi)型
F.RouterC會(huì)發(fā)送一個(gè)&ldquo；SourceQuench&rdquo；的消息類(lèi)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.
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.
最新試題
請(qǐng)參見(jiàn)圖示。當(dāng)計(jì)算機(jī)A 向計(jì)算機(jī)D 發(fā)送幀時(shí)，哪些計(jì)算機(jī)會(huì)接收該幀？（）
在路由器上使用Router#copy running-config startup-config 命令會(huì)產(chǎn)生什么效果？（）
請(qǐng)參見(jiàn)圖示。下列哪組設(shè)備僅包含中間設(shè)備？（）
請(qǐng)參見(jiàn)圖示。主機(jī)A 和B 無(wú)法互相通信。此問(wèn)題的原因是什么？（）
請(qǐng)參見(jiàn)圖示。RouterB 已經(jīng)過(guò)正確配置。RouterA 的以太網(wǎng)接口Fa0/0已使用如圖所示的命令進(jìn)行配置。但是，從RouterA 的Fa0/0接口無(wú)法成功ping 通RouterB 的Fa0/0接口。應(yīng)在RouterA 上采取什么措施來(lái)解決此問(wèn)題？（）
請(qǐng)參見(jiàn)圖示。主機(jī)B 嘗試與主機(jī)C 建立TCP/IP 會(huì)話(huà)。在嘗試期間，San Francisco 器由器的FastEthernet 接口fa0/1捕獲到一個(gè)幀。捕獲的幀中包含源IP 地址為10.10.1.2而目的IP 地址為10.31.1.20的數(shù)據(jù)包。捕獲該幀時(shí)，它的目的MAC 地址是什么？（）
請(qǐng)參見(jiàn)圖示。一臺(tái)路由器（其路由表如圖所示）收到發(fā)往192.168.1.4的數(shù)據(jù)包。路由器將如何處理該數(shù)據(jù)包？（）
請(qǐng)參見(jiàn)圖示。公司路由器由于故障被更換。更換路由器之后，Education 辦公室內(nèi)的主機(jī)C 和D 能夠相互ping 通，但是無(wú)法訪問(wèn)Accounts 辦公室內(nèi)的主機(jī)。此問(wèn)題的原因可能是什么？（）
傳輸層如何讓主機(jī)能同時(shí)針對(duì)不同應(yīng)用程序維護(hù)多個(gè)通信流？（）
以下哪兩種介質(zhì)可提供高達(dá)1Gb/s 的帶寬？（）