A Branch Office Has a Primary L3VPN MPLS Connection Back

question 14

Multiple Choice

A branch office has a primary L3VPN MPLS connection back to the main office and an IPSEC VPN tunnel that serves as backup. Which design ensures that data is sent over the backup connection only if the primary MPLS circuit is down?

• A) Use EIGRP to establish a neighbor relationship with the main office via L3VPN MPLS and the IPSEC VPN tunnel.
• B) Use BGP with the multipath feature enabled to force traffic via the primary path when available.
• C) Use static routes tied to an IP SLA to prefer the primary path while a floating static route points to the backup connection.
• D) Use OSPF with a passive-interface command on the backup connection. Use OSPF with a passive-interface command on the backup connection.

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Definitions:

Marginal Utility

The additional satisfaction or utility that a consumer receives from having one more unit of a good or service.

Marginal Utility

The additional satisfaction or utility a consumer gains from consuming one more unit of a good or service.

Consumer Surplus

The difference between what consumers are willing to pay for a good or service versus what they actually pay.

Demand Curve

A graphical representation that shows the relationship between the price of a good or service and the quantity demanded by consumers over a period of time.