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Cisco 642-642 Exam Syllabus Topics:

Section	Objectives
Topic 1: Congestion Avoidance	- Weighted Random Early Detection - Random Early Detection
Topic 2: Link Efficiency Mechanisms	- Link fragmentation and interleaving - Compression technologies
Topic 3: Introduction to Quality of Service	- QoS models and architectures - Traffic classification and marking concepts - QoS concepts and requirements
Topic 4: Congestion Management	- Queuing mechanisms - Class-Based Weighted Fair Queuing - Low Latency Queuing
Topic 5: QoS Management and Implementation	- QoS monitoring and troubleshooting - QoS policy configuration and verification - QoS deployment considerations
Topic 6: QoS for Voice and Video Applications	- Voice traffic requirements - IP telephony QoS design considerations - End-to-end QoS deployment
Topic 7: Classification and Marking	- Modular QoS CLI classification and marking - Layer 2 and Layer 3 marking - Network-based application recognition and classification

Cisco Quality of Service (QoS) Sample Questions:

Question 1

DRAG DROP
Drop

Question 2

HOTSPOT

Question 3

What will be the peak shape rate based on the configuration that follows?
policy-map setpeak
class all-traffic
shape peak 32000

A. 48000 bps
B. 16000 bps
C. 32000 bps
D. 96000 bps
E. 80000 bps
F. 64000 bps

Question 4

DRAG DROP
Drop

Question 5

Where is the fragment size configured when using FRF.12 link fragmentation and interleaving?

A. within the logical multilink interface
B. within the MQC class-map
C. within the MQC policy-map
D. within the physical serial interface
E. within the MQC service-policy
F. within the Frame Relay map-class

Solutions:

Question 1
Answer: Only visible for members

Question 2
Answer: Only visible for members

Question 3
Answer: F

Question 4
Answer: Only visible for members

Question 5
Answer: F

Cisco 642-642 : Quality of Service (QoS)

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