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As a frame leaves a Layer 3 device，the Layer 2 encapsulation information is changed from what it was when it entered the device. For what two reasons can this happen？（）

A、A.The data is moving from 10BASE-TX to 100BASE-TX.

B、B.The WAN encapsulation type has changed.

C、C.The data format has changed from analog to digital.

D、D.The source and destination hosts are in the same subnet.

E、E.The source and destination MAC addresses have changed.

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更多“As a frame leaves a Layer 3 device，the Layer 2 encapsulation information is changed from what it was when it entered the device. For what two reasons can this happen？（）”相关的问题
第1题
[单选题] When a BGP router is not capable of understanding 4-byte AS numbers， it will see 4-byte AS numbers as a special， reserved， 2-byte AS number in the AS path. Which 2-byte AS number is this reserved one？（）

A、00000  B、12345  C、23456  D、65000  E、99999  

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第2题
[单选题] When a BGP router is not capable of understanding 4-byte AS numbers， it will see 4-byte AS numbers as aspecial， reserved， 2-byte AS number in the AS path. Which 2-byte AS number is this reserved one？（）

A、00000  B、12345  C、23456  D、65000  E、99999  

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第3题
[单选题] You are implementing an ASP.NET MVC 2 Web application that contains the following class.  Public Class DepartmentControllerInherits Controller   Shared departments As List（Of Department） =  New List（Of Department）   Function Index（） As ActionResultReturn View（departments）End Function   Function Details（ByVal id As Integer） As ActionResultReturn View（departments.Find（Function（x） x.ID = id））End Function   Function ListEmployees（ByVal d As Department） As ActionResultDim employees As List（Of Employee） = GetEmployees（d）Return View （employees）End FunctionEnd Class 

A、<%= Html.Action("ListEmployees", Model) %>   B、<%= Html.ActionLink("ListEmployees", "Department", "DepartmentController") %>   C、<% Html.RenderPartial("ListEmployees", Model) %>  D、<%= Html.DisplayForModel("ListEmployees") %>  

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第4题
[单选题] An&#8194;administrator&#8194;wants&#8194;to&#8194;have&#8194;the&#8194;flexibility&#8194;to&#8194;dynamically&#8194;move&#8194;a&#8194;fibre&#8194;channel&#8194;PCI&#8194;card&#8194;between&#8194;given&#8194;LPARs.&#8194;For&#8194;each&#8194;given&#8194;LPAR&#8194;how&#8194;should&#8194;they&#8194;add&#8194;the&#8194;PCI&#8194;card&#8194;to&#8194;the&#8194;LPAR&#8194;profile？（）&#8194;&#8194;

A、Add the fibre channel card as hared？Add the fibre channel card as ？hared？  B、Add the fibre channel card as irtual？Add the fibre channel card as ？irtual？  C、Add the fibre channel card as esired？Add the fibre channel card as ？esired？  D、Add the fibre channel card as equired？Add the fibre channel card as ？equired？  

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第5题
[单选题] Which&#8194;of&#8194;the&#8194;following&#8194;is&#8194;the&#8194;functional&#8194;description&#8194;of&#8194;a&#8194;server&#8194;connected&#8194;between&#8194;two&#8194;separate&#8194;IP&#8194;subnets？（）

A、 server as a bridge  B、 server as a router  C、 server as a switch  D、 server as a data link  

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第6题
[单选题] Which&#8194;Internet&#8194;protocol&#8194;encrypts&#8194;and&#8194;decrypts&#8194;user&#8194;page&#8194;requests，&#8194;as&#8194;well&#8194;as&#8194;the&#8194;pages&#8194;that&#8194;are&#8194;returned&#8194;by&#8194;a&#8194;web&#8194;server&#8194;using&#8194;SSL？（）

A、NNTP  B、FTP  C、HTTP  D、HTTPS  

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第7题
[单选题] During&#8194;a&#8194;routine&#8194;maintenance&#8194;visit&#8194;to&#8194;a&#8194;client，&#8194;an&#8194;administrator&#8194;noticed&#8194;that&#8194;the&#8194;last&#8194;full&#8194;backup&#8194;did not&#8194;complete.&#8194;Which&#8194;of&#8194;the&#8194;following&#8194;should&#8194;the&#8194;administrator&#8194;do&#8194;FIRST？（）

A、Schedule and perform an incremental backup as soon as possible.  B、Inspect backup report logs.  C、Schedule and perform a full backup as soon as possible.  D、Inspect alert notification settings.  

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第8题
[多选题] What&#8194;are&#8194;BCP&#8194;38&#8194;（Best&#8194;Common&#8194;Practices&#8194;38）/RFC&#8194;2827&#8194;Ingress&#8194;Packet&#8194;Filtering&#8194;Principles？（）

A、Filter Smurf ICMP packets.  B、Filter as close to the core as possible  C、Filter as close to the edge as possible  D、Filter as precisely as possible  E、Filter both source and destination where possible  

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第9题
[单选题] What&#8194;is&#8194;the&#8194;maximum&#8194;value&#8194;（as&#8194;a&#8194;percentage&#8194;of&#8194;total&#8194;cost）&#8194;that&#8194;an&#8194;item&#8194;identified&#8194;as&#8194;condition-coded&#8194;can&#8194;have？（）

A、 25%  B、 50%  C、 75%  D、 100%  

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第10题
[单选题] .You&#8194;work&#8194;as&#8194;a&#8194;network&#8194;Exchange&#8194;administrator&#8194;at&#8194;Company.com.The&#8194;Company.com&#8194;network&#8194;currently&#8194;consists&#8194;of&#8194;a&#8194;single&#8194;Active&#8194;Directory&#8194;forest&#8194;containing&#8194;a&#8194;single&#8194;domain&#8194;named&#8194;Company.com.The&#8194;Company.com&#8194;organization&#8194;makes&#8194;use&#8194;of&#8194;Microsoft&#8194;Exchange&#8194;Server&#8194;2010&#8194;as&#8194;their&#8194;messaging&#8194;solution.the&#8194;Company.com&#8194;network&#8194;contains&#8194;a&#8194;client&#8194;access&#8194;server&#8194;named&#8194;-&#8194;ex05.during&#8194;routine&#8194;monitoring&#8194;you&#8194;discover&#8194;that&#8194;-ex05&#8194;has&#8194;failed.you&#8194;receive&#8194;an&#8194;instruction&#8194;from&#8194;the&#8194;cio&#8194;to&#8194;install&#8194;a&#8194;new&#8194;member&#8194;server&#8194;named&#8194;-ex05&#8194;on&#8194;the&#8194;network&#8194;as&#8194;well&#8194;as&#8194;to&#8194;recovering

A、Your best option would be to run Setup /RecoverCMS from the Exchange Server installation source files.  B、your best option would be to have the inetpub folder as well as the system state restored from -ex05.  C、Your best option would be to run Setup /M：RecoverServer from the Exchange Server installation source files.  D、your best option would be to have the inetsrv folder as well as the system state restored from - ex05.  

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