Virtual Private LAN Service (VPLS) Is a Way to Provide

question 43

Multiple Choice

Virtual private LAN service (VPLS) is a way to provide Ethernet based multipoint to multipoint communication over IP/MPLS networks. Which three drawbacks are of VPLS? (Choose three.)

• A) Direct-attached VPLS requires a full mesh of pseudowires.
• B) VPLS cannot support IP bridging (as defined in the VPLS standard).
• C) MAC scalability may be problematic, since customer MACs will be visible on the service provider network.
• D) VPLS requires a large amount of multicast and broadcast replication.

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Definitions:

Profit-Maximizing

A method or strategy that firms use to achieve the highest possible profit from their operations.

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The variance between a company's overall income and its opportunity expenses, covering both direct and indirect costs.

Perfectly Competitive

A market structure where many firms offer goods or services that are similar, allowing for free entry and exit of firms.

Short Run

A period in economics during which at least one input is fixed and cannot be adjusted by a firm.