單項(xiàng)選擇題

You have a Level 1-only router (Router A) in IS-IS area 49.0001. How does Router A learn how to get to IP prefixes in other areas?（）

A. Router A must have a Level 2 adjacency with the Level 1/Level 2 router in area 49.0001.
B. The Level 1/Level 2 router in area 49.0001 sets the "attached" bit in the Level 1 link-state PDU (LSP) it floods into area 49.0001.
C. The Level 1/Level 2 router in area 49.0001 sets the "attached" bit in the Level 2 LSP it floods into area 49.0001.
D. The Level 1/Level 2 router in area 49.0001 advertises these prefixes into area 49.0001 using a Level 2 LSP it floods into the area.

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單項(xiàng)選擇題

You want to suppress advertisement of all routes within the 200.200.0.0/16 range to your OSPFneighbors in other areas. Which configuration accomplishes this goal?（）

A. [edit protocols ospf area area-id] area-range 200.200.0.0/16 discard;
B. [edit protocols ospf area area-id] area-range 200.200.0.0/16 restrict;
C. [edit protocols ospf area area-id] area-range 200.200.0.0/16 no-summary;
D. [edit protocols ospf area area-id] area-range 200.200.0.0/16 suppress;

多項(xiàng)選擇題

What are two characteristics of the RED algorithm as implemented in JUNOS software?（）

A. It profiles based on bandwidth.
B. It profiles based on loss priority.
C. It prevents traffic loss through buffering.
D. It prevents global synchronization with tail drops.