思科认证考试

A Router with a BRI/T interface will be used for an ISDN Connection what other ISDN device is required to complete this connection? （）A、TE1B、TE2C、NT1D、NT2

题目

A Router with a BRI/T interface will be used for an ISDN Connection what other ISDN device is required to complete this connection? （）

  • A、TE1
  • B、TE2
  • C、NT1
  • D、NT2
参考答案和解析
正确答案:C
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相似问题和答案

第1题：

You would like to operate IS－IS on interface atm 6／0.33 with an IP address of 192.168.1.1／24.Which set of commands accomplishes this?()

A. router isis network 192.168.1.0 0.0.0.255

B. router isis network 192.168.1.0 255.255.255.0

C. interface atm 6/0.33 ip address 192.168.1.1 255.255.255.0 router isis

D. interface atm 6/0.33 ip address 192.168.1.1 255.255.255.0 ip router isis


参考答案：D

第2题：

Which device enables a router serial interface to connect to the ISDN BRI?()

A.NT2

B.NT1

C.TE

D.TA

E.TE1


参考答案：D

第3题：

[说明]

下面是某路由器的部分配置信息，解释部分语句的含义。

[配置路由器信息]

Current configuration：

!

hostname router1

isdn switch-type basic-net3 (1)

!

interface Ethernet0

ip address 10.0.0.1 255.255.255.0

ip nat inside (2)

!

interface bri 0

ip address negotiated (3)

ip nat outside

encapsulation PPP

PPP authentication pap callin (4)

PPP multlink (5)

dialer-group 1

dialer string 2633

PPP pap sent-username 263 password 263 (6)

ip route 0.0.0.0 0.0.0.0 bri 0

access-list 2 permit any (7)

dialer-list 1 protocol ip permit (8)

ip nat inside source list 2 interface bri 0 overload (9)

……

End


正确答案：设置ISDN交换机类型为baisic-net3 指定E0端口为NAT的内部端口 指定BRI0端口的IP地址是通过自动协商获得的 使用pap作认证 启动PPP多连接功能 设置拨号时登录用户名为263口令为263 定义访问表2并允许所有协议 定义拨号列表1 允许ip协议 设定符合访问列表2的所有主机在访问Internet时IP地址都被翻译为bri 0所拥有的地址
设置ISDN交换机类型为baisic-net3 指定E0端口为NAT的内部端口 指定BRI0端口的IP地址是通过自动协商获得的 使用pap作认证 启动PPP多连接功能 设置拨号时登录用户名为263口令为263 定义访问表2，并允许所有协议 定义拨号列表1 允许ip协议 设定符合访问列表2的所有主机在访问Internet时IP地址都被翻译为bri 0所拥有的地址

第4题：

Use the output from the router shown in the graphic above to determine which of the following are correct.()

A. Router John uses a link-state routing protocol.

B. Router John will receive routing updates on the Serial0/0 interface.

C. Router John will receive routing updates on the Serial0/1 interface.

D. Router John will send routing updates out the Serial0/0 interface.

E. Router John will send routing updates out the FastEthernet0/0 interface.

F. Router John will send routing updates out the Serial0/1 interface.


参考答案：B, D

第5题：

What is the reason for configuring a passive interface on a router?()

A. Allows interfaces to share common IP addresses.

B. Allows an interface to remain up without the aid of keepalives.

C. Allows a router to send routing and not receive updates via that interface.

D. Allows a routing protocol to forward updates that is missing its IP address.

E. Allows a router to receive routing updates on an interface but not send updates via that interface.


参考答案：E

第6题：

Which ISDN device converts the four－wire BRI signals from an S／T interface into two－wire signals of a U interface?()

A.TE1

B.NT-2

C.TA

D.TE2

E.NT-1


参考答案：E

第7题：

You have just obtained a modular Cisco router with 2 serial connections and a BRI／U interface. What other physical piece of hardware is required in order to establish an ISDN connection?()

A. Nothing. The router is already suitable.

B. A BRI WAN interface in the router.

C. An external NT1 to terminate the local loop.

D. A TA/NT1 device on the router.


参考答案：A

第8题：

【问题2】（3分）

根据图4-1的配置，补充完成下面路由器的配置命令：

Router（config）# interface （3）

Router（config-if）#ip address 10.10.1.1 255.255.255.0

Router（config-if）#no shutdown

Router（config-if）#exit

Router（config）# interface （4）

Router（config-if）# ip address 192.168.1.1 255.255.255.0

Router（config）# interface （5）

Router（config-if）# ip address 10.10.2.1 255.255.255.0


正确答案：

【问题2】（3分）

（3）ethernet 0/0   (e0/0)

（4）ethernet 0/l  (e0/1)

（5）serial0/0 (s0/0)

第9题：

Usetheoutputfromtheroutershowninthegraphicabovetodeterminewhichofthefollowingarecorrect.()

A.Router John uses alink-state routing protocol.

B.Router John will receive routing updates on the Serial0/0 interface.

C.Router John will receive routing updates on the Serial0/1 interface.

D.Router John will send routing updates out the Serial0/0 interface.

E.Router John will send routing updates out the FastEthernet0/0 interface.

F.Router John will send routing updates out the Serial0/1 interface.


参考答案：B, D

第10题：

BRI（Basic Rate Interface）基本速率接口


正确答案: ISDN服务提供的二个B信道和一个数据信道。BRI适用于小规模商务。

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