从供选择的答案中选出应填入下面一段英文中______内的正确答案。
A brouter is a network bridge and a router combined in a single product. A bridge is a device that connects one local area network (LAN) to(1)local area network that uses the same protocol (for example,(2)or Token Ring). If a data unit on one LAN is intended for a(3)on an interconnected LAN, the bridge forwards the data unit to that LAN; otherwise, it passes it along on the same(4). A bridge usually offers only one path to a given interconnected LAN. A router connects a network to one or more other(5)that are usually part of a wide area network (WAN) and may(6)a number of paths out to destinations on those networks. A router therefore needs to have(7)information than a bridge about the interconnected networks. It(8)a routing table for this information. Since a given outgoing data unit or packet from a computer may be intended for an(9)on the local network, on an interconneted LAN, or the wide area network, it makes sense to have a single unit that(10)all data units and forwards them appropriately.
供选择的答案:
1.more 2.LAN 3.Ethernet 4.address 5. offer
6.destination 7.consults 8.another 9.networks 10.examines