[单选题]OSI七层模型中，传输层的数据封装名称为（）

正确答案 ：D

段

[单选题]The Ezonexam network administrator has just issued the "switchport trunk native vlan 998" command on switch VE2. What is the function of this command?

正确答案 ：B

It designates VLAN 998 for untagged traffic

[多选题]There are 2 switches in the Ezonexam LAN, with no routers. Ports 1, 2 & 3 are assigned to VLAN 1 in switch 1 and 2 and ports 4, 5 & 6 are assigned to VLAN 2 in both switches. These two switches are connected together via a trunked link. Which of the conditions below would verify trunk and VLAN operation? (Select all valid answers)

正确答案 ：ADE

Host 1 on VLAN 1 can ping Host 2 on VLAN 1

Host 4 on VLAN 2 can not ping Host 1 on VLAN 1

Host 4 on VLAN 2 can ping Host 2 on VLAN 2

解析：解析：Explanation:

[单选题]OSI第二层数据封装完成后的名称是：()

正确答案 ：C

帧

[单选题]Study the Exhibit below carefully:London#show vtp

正确答案 ：M

Forwards information about VTP configuration.

解析：解析：Explanation:FromtheoutputthisswitchisoperatingmerelyasVTPclient,soitbasicallydoesastheVTPserversays,andpassesoninformationaboutVTPconfigurationtothenextswitchinline.IncorrectAnswers:A.Thisisincorrectbecausethefunctionisredundant.B.ThisincorrectbecausetheswitchmustbeinserverortransparentmodetocreateandchangeVLANs.D.ThisisincorrectbecauseifVTPwouldbedisabled,itwouldn'tappearonthecommandoutput.E.Ifthisweretrue,theVTPconfigurationinformationwouldnotbedisplayedafterbeingpoweredon.

[单选题]关于帧中继的说法，正确的是（）

正确答案 ：C

可以偷占带宽

[单选题]Given that you have a class B IP address network range, which of the subnet masks below will allow for 100 subnets with 500 usable host addresses per subnet?

正确答案 ：C

255.255.254.0

解析：解析：Explanation:

[单选题]100baseT的速率是()Mbit/s

正确答案 ：C

100

[单选题]You wish to segment your LAN into multiple broadcast domains. Which technology method should you implement in order to do this?

正确答案 ：D

Virtual LANs

解析：D 解析：Explanation:

[单选题]当在一个接口上使用ipaccess-group99in命令时，以下哪条关于所引用访问控制列表的描述是正确的（）

正确答案 ：C

这个列表是编号型标准ACL，检查进入接口的数据包

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