單項(xiàng)選擇題X.25使用映射的作用是()。

A.映射本地IP到對(duì)端端口值,以便路由器發(fā)送數(shù)據(jù)時(shí)確認(rèn)發(fā)送端口
B.映射本地IP到本地端口值,以便路由器發(fā)送數(shù)據(jù)時(shí)確認(rèn)發(fā)送端口
C.映射對(duì)端IP到本地端口值,以便X.25交換網(wǎng)絡(luò)查找數(shù)據(jù)發(fā)送路徑
D.映射對(duì)端IP到對(duì)端端口值,以便X.25交換網(wǎng)絡(luò)查找數(shù)據(jù)發(fā)送路徑


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2.多項(xiàng)選擇題一個(gè)子網(wǎng)掩碼為255.255.240.0的網(wǎng)絡(luò)中,()為合法網(wǎng)段地址。

A.150.150.0.0
B.150.150.0.8
C.150.150.8.0
D.150.150.16.0

3.多項(xiàng)選擇題All of the routers in the network are configured with the ip subnet-zero command. Which network addresses should be used for Link A and Network A (Choose two.)()。

A.Network A - 172.16.3.48/26
B.Network A - 172.16.3.128/25
C.Network A - 172.16.3.192/26
D.Link A - 172.16.3.0/30
E.Link A - 172.16.3.40/30
F.Link A - 172.16.3.112/30

4.多項(xiàng)選擇題

The switches shown in the diagram, Core and Core2, are both Catalyst 2950s. The addressing scheme for each company site is as follows:Router Ethernet port - 1st usable addressCore - 2nd usable addressCore2 - 3rd usable addressFor this network, which of the following commands must be configured on Core2 to allow it to be managed remotely from any subnet on the network? ()

A.Core2(config)# interface f0/0  Core2(config-if)# ip address 192.168.1.10 255.255.255.248
B.Core2(config)# interface vlan 1 Core2(config-if)# ip address 192.168.1.11 255.255.255.248
C.Core2(config)# line con 0 Core2(config-line)# password cisco
D.Core2(config)# line vty 0 4 Core2(config-line)# password cisco
E.Core2(config)# ip default-gateway 192.168.1.9
F.Core2(config)# ip route 0.0.0.0 0.0.0.0 192.168.1.8


5.單項(xiàng)選擇題Which type of EIGRP route entry describes a fesible successor?()

A.a primary route,stored in the routing table
B.a backup route,stored in the routingt able
C.a backup route,stored in the topology table
D.A primary route,stored in the topology table

6.單項(xiàng)選擇題無(wú)類路由協(xié)議路由表表目為三維組,其中不包括()。

A.子網(wǎng)掩碼
B.源網(wǎng)絡(luò)地址
C.目的網(wǎng)絡(luò)地址
D.下一跳地址

7.單項(xiàng)選擇題VLAN tag在OSI參考模型的哪一層?()

A.應(yīng)用層
B.表示層
C.會(huì)話層
D.傳輸層
E.網(wǎng)絡(luò)層
F.鏈路層
G.物理層

10.多項(xiàng)選擇題Which statements describe the routing protocol OSPF? ()

A.It supports VLSM.
B.It is used to route between autonomous systems.
C.It confines network instability to one area of the network.
D.It increases routing overhead on the network.
E.It allows extensive control of routing updates.
F.It is simpler to configure than RIP v2.

最新試題

請(qǐng)參見圖示。一臺(tái)主機(jī)正使用NAT 連接到Internet。下列哪三項(xiàng)IP 地址可實(shí)現(xiàn)此連接?()

題型:多項(xiàng)選擇題

請(qǐng)參見圖示。從主機(jī)X 發(fā)出的到主機(jī)Y 的tracert 命令已成功。下列哪一項(xiàng)正確地反映了追蹤列表中顯示的中間網(wǎng)絡(luò)設(shè)備的順序?()

題型:?jiǎn)雾?xiàng)選擇題

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?()

題型:?jiǎn)雾?xiàng)選擇題

請(qǐng)參見圖示。主機(jī)B 嘗試與主機(jī)C 建立TCP/IP 會(huì)話。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?()

題型:?jiǎn)雾?xiàng)選擇題

請(qǐng)參見圖示。主機(jī)A 嘗試與主機(jī)C 建立TCP/IP 會(huì)話。在嘗試期間,路由器Y 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172.16.1.5而目的IP 地址為172.16.7.24的數(shù)據(jù)包。捕獲該幀時(shí),它的源MAC 地址是什么?()

題型:?jiǎn)雾?xiàng)選擇題

請(qǐng)參見圖示。對(duì)于從主機(jī)A 向Web 服務(wù)器發(fā)出的網(wǎng)頁(yè)請(qǐng)求,正確的目的套接字?jǐn)?shù)字是什么?()

題型:?jiǎn)雾?xiàng)選擇題

路由器使用哪一項(xiàng)信息來(lái)確定源主機(jī)和目的主機(jī)之間的路徑?()

題型:?jiǎn)雾?xiàng)選擇題

請(qǐng)參見圖示。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?()

題型:?jiǎn)雾?xiàng)選擇題

請(qǐng)參見圖示。網(wǎng)絡(luò)中的主機(jī)A 正在向主機(jī)B 發(fā)送數(shù)據(jù)段。有關(guān)所交換的數(shù)據(jù)段的流量控制如圖所示。下列關(guān)于此通信的陳述,哪兩項(xiàng)是正確的?()

題型:多項(xiàng)選擇題

要將數(shù)據(jù)包發(fā)送到遠(yuǎn)程網(wǎng)絡(luò),應(yīng)使用哪種設(shè)備?()

題型:?jiǎn)雾?xiàng)選擇題