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要把190.72.27.0/27这个网段广播给EBGP邻居，需要做以下哪个命令配置（）A、network 190.72.27.0B、network 190.72.27.0 mask 255.255.255.224C、network 190.72.27.0 mask 255.255.225.240D、network 190.72.27.0 mask 0.0.0.31

题目

要把190.72.27.0/27这个网段广播给EBGP邻居，需要做以下哪个命令配置（）

  • A、network 190.72.27.0
  • B、network 190.72.27.0 mask 255.255.255.224
  • C、network 190.72.27.0 mask 255.255.225.240
  • D、network 190.72.27.0 mask 0.0.0.31
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相似问题和答案

第1题：

The 201.145.32.0 network is subnetted using a /26 mask. How many networks and IP hosts per network exists using this subnet mask?

A．4 networks and 64 hosts

B．64 networks and 4 hosts

C．4 networks and 62 hosts

D．62 networks and 2 hosts

E．6 network and 30 hosts


正确答案：C
解析：Explanation:
A class C network with a 26 bit mask requires 2 bits for the network address, leaving 6 bits for host addresses. Using the 2n-2 formula (22 for the network and 26-2for hosts) we have 4 network addresses and 62 host addresses.

Incorrect Answers:
A, B: This is not a possible combination. No network mask will provide for 64 usable hosts, because we must always subtract 2 for the network and broadcast address.
D. This would be the result of a /30 mask.
E. This would be the result of a /27 network mask.

第2题：

Given the host IP address of 192.168.100.60 and a network mask of 255.255.255.224 (or ／27), which address represents the correct network address for the referenced host?()

A.192.168.100.48

B.192.168.100.16

C.192.168.100.0

D.192.168.100.32


参考答案：D

第3题：

如果路由器配置了BGP协议，要把网络地址116.16.2.0/24发布给邻居，那么发布这个公告的命令是______。

A．R1 (config-route) #network 116.16.2.0

B．R1 (config-route) #network 116.I6.2.0.0.0.0.255

C．R1 (config-route) #network-advertise 116.16.2.0

D．R1 (config-route) #network 116.16.2.0mask255.255.255.0


正确答案：D
解析：BPG协议要把网络地址准确地发布给邻居，应该选择命令项：R1(config-router) #network网络地址mask子网掩码，因为题目中的网络地址是116.16.2.0/24，故选D。

第4题：

ABGProuterisconfiguredasshownbelow：interfaceethernet0ipaddress10.10.10.1255.255.0.0!intserial0ipaddress172.16.1.1255.255.255.252!routerbgp65001neighbor192.168.1.1remote-as65002Basedontheaboveconfiguration，whichofthefollowingBGPstatementswouldinjectthe10.10.0.0/16prefixintotheBGProutingtable？（）

A.network10.0.0.0

B.network10.10.0.0mask255.255.0.0

C.network10.10.10.1mask255.255.255.255

D.network10.10.10.0mask255.255.255.0

E.network10.0.0.0mask255.255.0.0


参考答案：B

第5题：

The 192.168.0.0 network is not being propagated throughout the network. Observe the BGP configuration commands from the advertising router.What is the reason the 192.168.0.0 route is not being advertised? （）

A. The network 192.168.0.0 statement is missing mask 255.255.0.0

B. The network 192.168.0.0 statement is missing mask 0.0.255.255.

C. The network 10.0.0.0 statement is missing mask 255 .0.0.0.

D. The network 10.0.0.0 statement is missing mask 0.255.255.255.

E. The auto - summary configuration is missing.


参考答案：A

第6题：

You have been assigned the ／24 network and need to segment it into at least 60 subnets. Which network mask meets this requirement?()

A. /27

B. /28

C. /29

D. /30


参考答案：D

第7题：

How many usable sub network and usable hosts per subnet result in the network address 201.105.13.0 is sub netted with a mask of ／26? ()

A. 64 network and 4 hosts

B. 4 network and 64 hosts

C. 2 network and 62 hosts

D. 62 network and 2 hosts


参考答案：C

第8题：

如果路由器配置了BGP协议，要把网络地址133.1.2.0/24发布给邻居，那么发布这个公告的命令是____.

A.R1（config-route） network 133.1.2.0

B.R1（config-route） network 133.1.2.0 0.0.0.255

C.R1（config-route） network-advertise 133.1.2.0

D.R1（config-route） network 133.1.2.0 mask 255.255.255.0


正确答案：D
正确的命令应该是：R1（config-router）#network 133.1.2.0 mask 255.255.255.0.

第9题：

TheBGProutingtableconsistsofthefollowingnetworkroutes：Whatisthecorrectcommandtosummarizetheseprefixesintoasinglesummaryprefixof192.168.12.0/22whilealsoallowingfortheadvertisementofthemorespecificprefixes？（）

A.network192.168.12.0mask255.255.252.0

B.network192.168.12.0mask0.0.3.255

C.network192.168.12.0

D.aggregate-address192.168.12.0255.255.252.0

E.aggregate-address192.168.12.0255.255.252.0summary-only

F.aggregate-address192.168.12.0255.255.252.0as-set


参考答案：D

第10题：

Refer to the exhibit. Which three statements correctly describe Network Device A?()

A.With a network wide mask of 255.255.255.128, each interface does not require an IP address.

B.With a network wide mask of 255.255.255.128, each interface does require an IP address on a unique IP subnet.

C.With a network wide mask of 255.255.255.0, must be a Layer 2 device for the PCs to communicate with each other.

D.With a network wide mask of 255.255.255.0, must be a Layer 3 device for the PCs to communicate with each other.

E.With a network wide mask of 255.255.254.0, each interface does not require an IP address.


参考答案：B, D

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