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Cisco 642-642 Exam Syllabus Topics:

Cisco Quality of Service (QoS) Sample Questions:

Question 1

HOTSPOT
Hotspot

Question 2

DRAG DROP
Drop

Question 3

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

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

Question 4

In a typical converged campus network, which two of the following are considered QoS best practices? (Choose two.)

A. Ensure voice traffic is serviced by a weighted fair queue.
B. Only a reasonable number of applications should be classified into the mission-critical traffic class.
C. NBAR is used at the high speed core layer to discover and classify network applications.
D. Traffic classification and marking is performed at the high speed core layer.
E. Traffic classification and marking is performed as close to the traffic source as possible.
F. Catalyst switches should use weighted round robin (WRR) queuing giving the voice traffic the highest priority.

Question 5

For which service is assured forwarding PHB used?

A. best effort
B. class selector
C. expedited forwarding
D. guaranteed bandwidth

Solutions: