單項(xiàng)選擇題X.25協(xié)議提供給用戶的可用的邏輯信道最多為()條。

A.16
B.32
C.4095
D.4096


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1.單項(xiàng)選擇題The network administrator is asked to configure 113 point-to-point links.Which IP addressing scheme best defines the address range and subnet mask that meet the requirement and waste the fewest subnet and host addresses?()

A.10.10.0.0/18 subnetted with mask 255.255.255.252
B.10.10.0.0/25 subnetted with mask 255.255.255.252
C.10.10.0.0/24 subnetted with mask 255.255.255.252
D.10.10.0.0/23 subnetted with mask 255.255.255.252
E.10.10.0.0/16 subnetted with mask 255.255.255.252

2.單項(xiàng)選擇題X.25使用映射的作用是()。

A.映射本地IP到對端端口值,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.映射對端IP到對端端口值,以便X.25交換網(wǎng)絡(luò)查找數(shù)據(jù)發(fā)送路徑

4.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

5.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

6.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


7.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

8.單項(xiàng)選擇題無類路由協(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

9.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.會話層
D.傳輸層
E.網(wǎng)絡(luò)層
F.鏈路層
G.物理層

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