A Service Provider Sets Up LSP Among All the Edge

question 527

Multiple Choice

A service provider sets up LSP among all the edge routers in its network by using LDP. A user would like to maintain its DSCP marking across the service provider backbone. Mark the MPLS packets with the appropriate EXP values according to QoS policies. Which step should be taken to classify and queue packets on egress nodes on the basis of EXP marking?

• A) disable penultimate hop popping
• B) use MPLS network-wide QoS propagation
• C) copy IP DSCP at the ingress into MPLS EXP
• D) copy MPLS EXP at penultimate hop into DSCP

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Definitions:

Demand Curve

A graphical representation of the relationship between the price of a good or service and the quantity demanded for a given period.

Market Demand

The total quantity of a good or service that all consumers in a market are willing and able to purchase at various price levels.

Marginal Cost

The supplementary expense required to manufacture an additional unit of a product or service.

Crude Oil Price

Refers to the cost per barrel of unrefined petroleum, which fluctuates based on global supply and demand dynamics, geopolitical tensions, and market speculations.