思科认证 2021_06_17 每日一练


Which two of the following values does STP take into consideration when it elects the root bridge? (Select two answer choices)

A. The BPDU version number

B. The access layer bridge setting

C. The Bridge ID

D. The spanning-tree update number

E. The bridge priority

F. The VLAN number

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在PING命令的输出显示中,下面的哪一个代表了良好的连接状态?()

A.!!!!!!

B.......

C.xxxxx

D.******

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OSI七层模型中,“包”是哪一层数据封装的名称()

A.物理层

B.数据链路层

C.网络层

D.传输层

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You download a file from an FTP site on the Internet. What is the highest layer in the OSI model used in this FTP operation?

A. Application

B. Presentation

C. Session

D. Transport

E. Internet

F. Data Link

G. Physical

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以下对于缺省路由描述正确的是()

A.缺省路由是优先被使用的路由

B.缺省路由是第一条被使用的路由

C.缺省路由是一种特殊的静态路由

D.缺省路由是一种特殊的动态路由

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哪个ACL可允许主机10.220.158.10访问web服务器192.168.3.244()

A.access-list 101 permit tcp host 10.220.158.10 eq 80 host 192.168.3.224

B.access-list 101 permit tcp 10.220.158.10 0.0.0.0 host 192.168.3.224 0.0.0.0 eq 80

C.access-list 101 permit host 10.220.158.10 0.0.0.0 host 192.168.3.224 0.0.0.0 eq 80

D.access-list 101 permit tcp 10.220.158.10 0.0.0.0 host 192.168.3.224 eq 80

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交换机上VLAN的功能描述中,正确的是()

A.可以减少广播域的个数

B.可以减少广播对网络性能的影响

C.可以减少冲突域的个数

D.可以减小冲突域的容量

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Study the Exhibit below carefully:

London#show vtp

VTP Version: 2

Configuration Revision: 0

Maximum VLANs supported locally: 64

Number of existing VLANs: 5

VTP Operating Mode: Client

VTP Domain Name: London

VTP Pruning Mode: Disabled

VTP V2 Mode: Disabled

VTP Traps Generation: Disabled

Based on the information given above, what is the VTP function of this particular switch?

A.Learn and save VTP configuration in the running configuration.

B.Create and change VLANs.

C.Forwards information about VTP configuration.

D.VTP is disabled on this device.

E.VTP is not saved to NVRAM.

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Which line from the output of the show ip interface command indicates that there is a Layer 1 problem?

A.Serial0/1 is up, line protocol is down

B.Serial0/1 is down, line protocol is down

C.Serial0/1 is up, line protocol is up

D.Serial0/1 is administratively down, line protocol is down

E.None of the above

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扩展IP访问权限表的表号范围是:()

A.1—100

B.1-99

C.100-199

D.800-899

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