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Which two QoS classification and marking statements are true? ()

发布日期:2020-04-13

Which two QoS classification and marking statement...
A

In a Frame Relay network, delay sensitive traffic is tagged with the discard eligible (DE) bit.

B

In an MPLS network, the three most significant bits of the DSCP or the IP precedence of the IP packet are copied into the MPLS EXP field.

C

In an MPLS network, the MPLS EXP bits are used to identify up to 16 CoS values.

D

The differentiated services code point (DSCP) field consists of the first three bits of the IP precedence field in the header of an IP packet.

E

The 802.1Q standard uses a three bit field referred to as the user priority bits (PRI) to mark packets as belonging to a specific CoS.

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