CISCO 350-501 Exam Question 176

A network engineer is implementing a QoS policy for outbound management traffic classification and marking on a CPE device with these requirements:
Management protocols must be marked with DSCP AF class 2 with low drop probability.
Monitoring protocols must be marked with DSCP AF class 1 with low drop probability.
All remaining traffic must be marked with a DSCP value of 0.
Which configuration must the engineer implement to satisfy the requirements?
A. policy-map cpe-mgmt-policy
class management
set ip dscp af21
class monitoring
set ip dscp af11
class class-default
set ip dscp default
end
B. policy-map cpe-mgmt-policy
class management
set ip dscp af21
class monitoring
set ip dscp af11
class class-default
set ip dscp af0
end
C. policy-map cpe-mgmt-policy
class management
set ip dscp af23
class monitoring
set ip dscp af13
class class-default
set ip dscp default
end
D. policy-map cpe-mgmt-policy
class management
set ip dscp af23
class monitoring
set ip dscp af13
class class-default
set ip dscp af0
end
Correct Answer: B