CCNA 640-802 WAN Practice Questions

Brief: CCNA exam requires a good understanding of WAN concepts, terminology, and implementation using Cisco routers. We have given a few multiple choice questions to gauge your preparedness (yourself) of the subject before taking the exam!

Q1: Cisco IOS supports MPPC (Microsoft Point-to-Point Compression algorithm) on one of the following encapsulation types. Choose the correct one.

A. HDLC B. LAPB C. PPP D. Frame-Relay

Ans.: C


Compression algorithms supported by Cisco IOS are:

Encapsulation Type	Compression type supported by Cisco IOS
HDLC	STAC
LAPB	STAC, Predictor
PPP	STAC, Predictor, MPPC
Frame-Relay	STAC, FRF.9

PPP is supported by STAC, Predictor, and MPPC. Compression algorithms supported by Frame-Relay for payload compression are STAC, and FRF.9.