AAA is an abbreviation for Authentication, Authorization, and Accouting.

• A.Wrong
• B.Yes

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Following a failure of services in the network, an administrator discovered that the configuration in one of the enterprise routers had been changed. What actions can be taken by the administrator to prevent further changes? (Choose three)

• A.The administrator should configure an ACL to allow only the administrator to manage the router.
• B.The administrator should limit access by setting the login privilege of users to 0.
• C.The administrator should configure port-security on the router
• D.The administrator should configure AAA to manage user authorization on the router.

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ADSL data transmission for the uplink in the band is

• A.26 KHZ ~ 1104 KHZ
• B.26 KHZ ~ 256 KHZ
• C.26 KHZ ~ 69 KHZ
• D.26 KHZ ~ 138 KHZ

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FTP may be used to upgrade a router's VRP image.
Which of the following transmission modes should be used to achieve this?

• A.byte mode
• B.letter mode
• C.binary mode
• D.ASCII mode

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Judge: HDLC serial interface can be run through the ip address unnumbered interface LoopBack 0 command to configure the IP address to share with LoopBack 0.

• A.False
• B.True

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