单选题Which of the following options lists the steps in PPP session establishment in the correct order?（）A Optional authentication phase, link establishment phase, network layer protocol phase.B Network layer protocol phase, link establishment phase, optiona

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单选题

Which of the following options lists the steps in PPP session establishment in the correct order?（）

Optional authentication phase, link establishment phase, network layer protocol phase.

Network layer protocol phase, link establishment phase, optional authentication phase.

Network layer protocol phase, optional authentication phase, link establishment phase.

Link establishment phase, network layer protocol phase, optional authentication phase.

Link establishment phase, optional authentication phase, network layer protocol phase.

Optional authentication phase, network layer protocol phase, link establishment phase.

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相似问题和答案

第1题：

Which of the following answers is most true about the BGP Update message?（）

A、It lists a set of path attributes, along with a list of prefixes that use those PAs
B、It lists a prefix/length, plus the PA settings for that prefix
C、It lists withdrawn routes, but never in the same Update message as newly advertised routes
D、A single Update message lists at most a single prefix/lengtH

正确答案:A

第2题：

Which of the following options are valid choices for cluster communication security？（）

A、rsh and ssh
B、Standard and VPN
C、rhost and .shosts
D、Classic and Enhanced

正确答案:B

第3题：

Which PPP subprotocol negotiates authentication options?()

A. NCP

B. LCP

C. ISDN

D. DLCI

E. SLIP

参考答案：B

第4题：

What are two steps needed to define a QoS policy for a traffic class？（）

A、 Determine a minimum bandwidth guarantee.
B、 Determine interfaces to which to apply policy.
C、 Assign priorities to the class.
D、 Configure access control lists.

正确答案:A,C

第5题：

Which PPP subprotocol negotiates authentication options?（）

A、NCP
B、LCP
C、ISDN
D、DLCI
E、SLIP

正确答案:B

第6题：

Which of the following options lists the steps in PPP session establishment in the correct order?（）

A、Optional authentication phase, link establishment phase, network layer protocol phase.
B、Network layer protocol phase, link establishment phase, optional authentication phase.
C、Network layer protocol phase, optional authentication phase, link establishment phase.
D、Link establishment phase, network layer protocol phase, optional authentication phase.
E、Link establishment phase, optional authentication phase, network layer protocol phase.
F、Optional authentication phase, network layer protocol phase, link establishment phase.

正确答案:E

第7题：

Which of the following commands will reset NFS options to their defaults？（）

A、 nfso -d
B、 nfso -c
C、 startsrc -g nfs -d
D、 startsrc -g nfs -r

正确答案:A

第8题：

On which options are standard access lists based?()

A.destination address and wildcard mask

B.source address and wildcard mask

C.destination address and subnet mask

D.source address and subnet mask

参考答案：B

第9题：

Which of the following step libraries is included in the license for IPCC Express Standard? （）

A、ICM steps
B、e-mail steps
C、media steps
D、database steps

正确答案:C

第10题：

On which options are standard access lists based?（）

A、destination address and wildcard mask
B、source address and wildcard mask
C、destination address and subnet mask
D、source address and subnet mask

正确答案:B

Which of the following options lists the steps in PPP sessio

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