单选题Which of the following options lists the steps in PPP session establishment in the correct order?()AOptional authentication phase, link establishment phase, network layer protocol phase.BNetwork layer protocol phase, link establishment phase, optional authentication phase.CNetwork layer protocol phase, optional authentication phase, link establishment phase.DLink establishment phase, network layer protocol phase, optional authentication phase.ELink establishment phase, optional authentication phase, network layer protocol phase.FOptional authentication phase, network layer protocol phase, link establishment phase.
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, 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.
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