题目内容

Auserreportstheycannolongerchangethewebbrowserhomepage.WhichofthefollowingisMOSTlikelytheproblem?（）

A. TheyareusingthewrongWEPkey.
B. Theyhavebeeninfectedwithmalware.
C. TheyhavelostInternetconnectivity.
D. Theyneedtoupdatetheirnetworkdevicedrivers.

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Which two BGP attributes support route reflection？（）

A. Client ID
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A. netshfirewallshowlogging
B. ipconfig/all
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AccordingtoJUNOSsoftwarerouteselectionalgorithm,whichIS-ISroutetypeismostpreferred?（）

A. Level1internalroutes
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Which mechanism does External BGP use to prevent the formation of routing loops？（）

AS path
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