What does a router do?（）

A、Stores data on the network and connects the local-area network (LAN) to the wide-area network (WAN)

B、Routes traffic down alternative paths and connects the local-area network (LAN) to the wide- area network (WAN)

C、Broadcasts data to all devices that are connected to it across the local-area network (LAN) and wide-area network (WAN)

D、Reads Media Access Control (MAC) addresses to forward messages to the correct location and connects the local-area network (LAN) to the wide-area network (WAN)

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更多“What does a router do?（）”相关的问题

第1题

[单选题] The router receives a login request from a PPP over ATM client and examines the domain map for the client's domain. The router finds no entries currently configured within the domain map. What does the router do with the login request?（）

A、The router rejects it. B、The router tunnels it via L2TP. C、The router authenticates it locally. D、The default virtual router authenticates it.

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第2题

[多选题] What information does a router running a link-state protocol use to build and maintain its topological database?（）

A、hello packets B、SAP messages sent by other routers C、LSAs from other routers D、beacons received on point-to-point links E、routing tables received from other link-state routers F、TTL packets from designated routers

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第3题

[多选题] What information does a router running a link-state protocol use to build and maintain its topological database? （）

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第4题

[多选题] What information does a router running a link-state protocol use to build and maintain its topological database?（）

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第5题

[多选题] What kind of information does a router running a link-state routing protocol need to create and maintain its topological database?（）

A、LSAs from other routers B、Beacons received on point-to-point links C、hello packets D、Routing tables received from neighbors E、SAP packets sent by other routers F、TTL packets from exclusive routers

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第6题

[单选题] A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?（）

A、It performs a label pop operation and an IP lookup. B、It performs a label swap operation and an IP lookup. C、It sends an error message toward the egress router. D、It sends an error message toward the ingress router.