單項(xiàng)選擇題

What is the function performed by LSA Type 1?（）

A. Create virtual links.
B. Advertise external prefixes.
C. Summarize routes between areas.
D. Advertise a router's interfaces and metrics.

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單項(xiàng)選擇題

On what is the Martini control plane based?（）

A. IGP
B. LDP
C. BGP
D. RSVP

多項(xiàng)選擇題

Which two statements are correct regarding IS-IS?（）

A. Routers maintain a single link-state database per area.
B. Routers maintain a separate Level 1 link-state database.
C. Routers maintain a separate Level 2 link-state database.
D. Routers maintain a single Level 1 link-state database across multiple areas.