Packet switching
Collision prevention on a LAN segment.
Packet filtering
Broadcast domain enlargement
Broadcast forwarding
Internetwork communication
第1题：
第2题：
A. Routers cannot redistribute external routes into the area.
B. Routers should have zero Type 3 LSAs in their LSDBs.
C. Routers should have zero Type 5 LSAs in their LSDBs.
D. Routers should learn default routes from the ABRs attached to the area.
第3题：
Which of the following utility functions reflects risk-aversion:
A uniform
B increasing
C decreasing
D exponential
E B and D only
第4题：
What functions do routers perform in a network (Choose two.)（）。
第5题：
Deck beams perform ______ of the following functions in the hull structure of a vessel．① They transfer deck loads to the frames；② They help to maintain the shape of the hull．
A.① only
B.② only
C.Both ① and ②
D.Neither ① nor ②
第6题：
A.DSL
B.POTS
C.VDSL
D.Smart jack
第7题：
A. Packet switching
B. Collision prevention on a LAN segment.
C. Packet filtering
D. Broadcast domain enlargement
E. Broadcast forwarding
F. Internetwork communication
第8题：
Cisco is the leader in the router market space. What basic functions do their routers perform. in a network? (Choose two)
A. The microsegmentation of broadcast domains
B. Path selection
C. Packet switching
D. Bridging between LAN segments
E. Access layer security
F. VLAN membership assignment
G. Application optimization
第9题：
Routers perform which of the following functions?（）
第10题：
What functions do routers perform in a network?（）