Which Two Items Are True About QoS in MPLS VPN

question 460

Multiple Choice

Which two items are true about QoS in MPLS VPN (RFC 2547bis) networks? (Choose two.)

• A) On egress from the Edge-LSR, the EXP field is used for PHB QoS towards the CE.
• B) MPLS can force packets into specific paths and bandwidths based on Edge-LSR mapping of DSCP to EXP.
• C) DiffServ information must be made known to the LSR in the MPLS header using the EXP field.
• D) MPLS QoS is a scalable and simple solution because it only requires application at the Edge-LSR.

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Definitions:

Misinformation Effect

A memory distortion phenomenon where post-event information influences the memory of the original event.

Misleading Questions

Questions that suggest a particular answer or contain information that was not presented in the original material, which can affect a person's memory and testimony.

Tip-of-the-tongue Effect

The tip-of-the-tongue effect is a cognitive phenomenon where a person is unable to recall a familiar word or name, but has a strong feeling that they are on the verge of remembering it.

Reliable Way

A method or approach deemed consistently accurate and dependable in its results or outcomes.