在ISDN网络中，U接口定义在（）之间。

单项选择题在ISDN网络中，U接口定义在（）之间。

A.TE1和NT2
B.TE2和TA
C.NT1和ISDN网络
D.NT1和NT2

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你可能感兴趣的试题

1.多项选择题A national retail chain needs to design an IP addressing scheme to support a nationwide network. The company needs a minimum of 300 sub-networks and a maximum of 50 host addresses per subnet. Working with only one Class B address, which of the following subnet masks will support an appropriate addressing scheme? （）

A.255.255.255.0
B.255.255.255.128
C.255.255.252.0
D.255.255.255.224
E.255.255.255.192
F.255.255.248.0

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2.单项选择题下列是外部网关路由协议的是（）。

A.rip
B.ospf
C.igrp
D.bgp
E.eigrp

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3.单项选择题IP地址中，网络部分全0表示（）。

A.主机地址
B.网络地址
C.所有主机
D.所有网络

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4.单项选择题On point-to-point networks, OSPF hello packets are addressed to which address（）。

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

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5.单项选择题改变您的Quidway路由器名字为myrouter时，应输入什么命令？（）

A.config myrouter
B.display myroter
C.sysname myrouter

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6.多项选择题 Which of the following statements describe the network shown in the graphic?（）

A.There are two broadcast domains in the network.
B.There are four broadcast domains in the network.
C.There are six broadcast domains in the network.
D.There are four collision domains in the network.
E.There are five collision domains in the network.
F.There are seven collision domains in the network.

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7.单项选择题对于访问控制列表条件的判断语句中，与子网掩码类似的32位比特的数字字符串称为（）。

A.IP地址
B.主机地址
C.网络地址
D.通配符

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8.多项选择题Which characteristics are representative of a link-state routing protocol? （）

A.provides common view of entire topology
B.exchanges routing tables with neighbors
C.calculates shortest path
D.utilizes event-triggered updates
E.utilizes frequent periodic updates

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9.单项选择题一个A类地址，其子网掩码是255.255.240.0，有多少位被用来划分子网？（）

A.8
B.12
C.20
D.24

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10.多项选择题Which two commands correctly verify whether port security has been configured on port FastEthernet 0/12 on a switch?（）

A.SW1#show swithport port-security interface FastEthernet 0/12
B.SW1#show swithport port-secure interface FastEthernet 0/12
C.SW1#show port-secure interface FastEthernet 0/12
D.SW1#show running-config

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