Q5
Which WAN encapsulations can be configured on an asynchronous serial connection? 1. PPP 2. ATM 3. HDLC 4. SDLC 5. Frame Relay
A.
1 and 2
AnswerB.
2 and 4
C.
3, 4 and 5
D.
All of the above
Answer: Option A
Solution
Answer: Option A
Solution:
Please do not freak out because ATM is an answer to this question. ATM is not covered in depth on the CCNA exam. PPP is mostly used for dial-up (async) services, but ATM could be used as well, though it typically is not used anymore since PPP is so efficient.