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Question 301 - 350-501 discussion

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Refer to the exhibit.

Refer to the exhibit. A network engineer configures CPE-1 for QoS with these requirements:

IPv4 and IPv6 traffic originated by the CPE-1 WAN IP address must be marked with DSCP CS3.

IPv4 LAN traffic must be marked with DSCP CS1.

IPv6 LAN traffic must be marked with DSCP default.

Which configuration must the engineer implement on CPE-1?

A.

class-map match-any SELF_TRAFFIC

match access-group name SELF_V4

match access-group name SELF_V6

class-map match-all V4_ TRAFFIC

match protocol ip

class-map match-all V6_TRAFFIC

match protocol ipv6

class-map match-all QG_4

match qos-group 4

class-map match-all QG_6

match qos-group 6

!

policy-map LAN-INPUT

class V4_TRAFFIC

set qos-group 4

class V6_TRAFFIC

set qos-group 6

!

policy-map WAN-OUTPUT

class SELF_TRAFFIC

set ip dscp cs3

class QG_4

set ip dscp cs1

class QG_6

set ip dscp default

Answers
A.

class-map match-any SELF_TRAFFIC

match access-group name SELF_V4

match access-group name SELF_V6

class-map match-all V4_ TRAFFIC

match protocol ip

class-map match-all V6_TRAFFIC

match protocol ipv6

class-map match-all QG_4

match qos-group 4

class-map match-all QG_6

match qos-group 6

!

policy-map LAN-INPUT

class V4_TRAFFIC

set qos-group 4

class V6_TRAFFIC

set qos-group 6

!

policy-map WAN-OUTPUT

class SELF_TRAFFIC

set ip dscp cs3

class QG_4

set ip dscp cs1

class QG_6

set ip dscp default

B.

class-map match-all SELF_TRAFFIC

match access-group name SELF_V4

match access-group name SELF_V6

class-map match-all V4_ TRAFFIC

match protocol ip

class-map match-all V6_TRAFFIC

match protocol ipv6

class-map match-all QG_4

match qos-group 4

class-map match-all QG_6

match qos-group 6

!

policy-map LAN-INPUT

class V4_TRAFFIC

set qos-group 4

class V6_TRAFFIC

set qos-group 6

!

policy-map WAN-OUTPUT

class SELF_TRAFFIC

set dscp cs3

class QG_4

set ip dscp cs1

class QG_6

set dscp default

Answers
B.

class-map match-all SELF_TRAFFIC

match access-group name SELF_V4

match access-group name SELF_V6

class-map match-all V4_ TRAFFIC

match protocol ip

class-map match-all V6_TRAFFIC

match protocol ipv6

class-map match-all QG_4

match qos-group 4

class-map match-all QG_6

match qos-group 6

!

policy-map LAN-INPUT

class V4_TRAFFIC

set qos-group 4

class V6_TRAFFIC

set qos-group 6

!

policy-map WAN-OUTPUT

class SELF_TRAFFIC

set dscp cs3

class QG_4

set ip dscp cs1

class QG_6

set dscp default

C.

class-map match-all SELF_TRAFFIC

match access-group name SELF_V4

match access-group name SELF_V6

class-map match-all V4_ TRAFFIC

match protocol ip

class-map match-all V6_TRAFFIC

match protocol ipv6

class-map match-all QG_4

match qos-group 4

class-map match-all QG_6

match qos-group 6

!

policy-map LAN-INPUT

class V4_TRAFFIC

set qos-group 4

class V6_TRAFFIC

set qos-group 6

!

policy-map WAN-OUTPUT

class SELF_TRAFFIC

set ip dscp cs3

class QG_4

set ip dscp cs1

class QG_6

set ip dscp default

Answers
C.

class-map match-all SELF_TRAFFIC

match access-group name SELF_V4

match access-group name SELF_V6

class-map match-all V4_ TRAFFIC

match protocol ip

class-map match-all V6_TRAFFIC

match protocol ipv6

class-map match-all QG_4

match qos-group 4

class-map match-all QG_6

match qos-group 6

!

policy-map LAN-INPUT

class V4_TRAFFIC

set qos-group 4

class V6_TRAFFIC

set qos-group 6

!

policy-map WAN-OUTPUT

class SELF_TRAFFIC

set ip dscp cs3

class QG_4

set ip dscp cs1

class QG_6

set ip dscp default

D.

class-map match-any SELF_TRAFFIC

match access-group name SELF_V4

match access-group name SELF_V6

class-map match-all V4_ TRAFFIC

match protocol ip

class-map match-all V6_TRAFFIC

match protocol ipv6

class-map match-all QG_4

match qos-group 4

class-map match-all QG_6

match qos-group 6

!

policy-map LAN-INPUT

class V4_TRAFFIC

set qos-group 4

class V6_TRAFFIC

set qos-group 6

!

policy-map WAN-OUTPUT

class SELF_TRAFFIC

set dscp cs3

class QG_4

set ip dscp cs1

class QG_6

set dscp default

Answers
D.

class-map match-any SELF_TRAFFIC

match access-group name SELF_V4

match access-group name SELF_V6

class-map match-all V4_ TRAFFIC

match protocol ip

class-map match-all V6_TRAFFIC

match protocol ipv6

class-map match-all QG_4

match qos-group 4

class-map match-all QG_6

match qos-group 6

!

policy-map LAN-INPUT

class V4_TRAFFIC

set qos-group 4

class V6_TRAFFIC

set qos-group 6

!

policy-map WAN-OUTPUT

class SELF_TRAFFIC

set dscp cs3

class QG_4

set ip dscp cs1

class QG_6

set dscp default

Suggested answer: A
asked 10/10/2024
stefano nicoletti
35 questions
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