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| IT Certification Practice Exams | HOME | Cisco | CompTIA | CheckPoint | CIW | Microsoft | Books | Bootcamp | Buy Now! |
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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.
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A. HDLC B. LAPB C. PPP D. Frame-Relay
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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.