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Category: 642-642

Exam 642-642: Implementing Cisco Quality of Service QoS

Which three statements are true about the configuration?

Refer to the exhibit. Which three statements are true about the configuration? (Choose three.)

class-map class-1
match ip rtp 2024 1000

class-map class 2
match dscp 5 6 7

policy-map access-group-1-traffic
class class-1
shape peak 16000
class class-2
police 8000 1000
conform-action set-dscp-transmit 1
exceed-action set-dscp-transmit 0
violate-action drop
class class-default
fair-queue 16
queue-limit 20

interface fastethernet 0/0
service-policy output access-group1-traffic

which additional command will enable these actions?

Based on the following Cisco Catalyst 2950 Series switch configurations, which additional command will enable these actions?

Traffic marked with a CoS of 6 or 7 will be serviced by the priority queue.
Traffic marked with a CoS of 0, 1, or 2 will have a 20-percent weight when serviced by the wrr queue.
Traffic marked with a CoS of 4 will have a 30-percent weight when serviced by the wrr queue.
Traffic marked with a CoS of 3 or 5 will have a 50-percent weight when serviced by the wrr queue.

Catalyst 2950 partial configuration:

no wrr-queue cos-map
wrr-queue cos-map 1 0 1 2
wrr-queue cos-map 2 4
wrr-queue cos-map 3 3 5
wrr-queue cos-map 4 6 7

Which set of additional commands within this policy-map will improve the link efficiency on the serial interfa

This policy-map is applied to a 128-kbps serial interface in the output direction. Which set of additional commands within this policy-map will improve the link efficiency on the serial interface?

policy-map test
class voice
priority 25
class telnet
bandwidth remaining percent 20
class ftp
bandwidth remaining percent 30


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