Limited in a single building, a group of buildings, or even a single room
Crosses metropolitan, regional, or national boundaries
Encompasses an entire city or metropolitan area and connects multiple local-area networks (LANs)
Connects client devices wireless protocol
第1题：
A.Routes traffic down alternative paths and connects the local-area network (LAN) to the wide- area network (WAN)
B.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)
C.Stores data on the network and connects the local-area network (LAN) to the wide-area network (WAN)
D.Broadcasts data to all devices that are connected to it across the local-area network (LAN) and wide-area network (WAN)
第2题：
A.network 172.26.168.0 area 478
B.network 172.26.0.0
C.network 172.26.168.128 0.0.0.127
D.network 172.26.168.128 area 478
第3题：
●A local area network(LAN)is the communication of a number of computers by (66) connecting to each one in a single location,usually a single floor of a building or all the computers in a small company.
(66) A．line
B．cable
C．copper
D．copper cash
第4题：
下面哪种结构是从客户端从服务器请求服务（）。
第5题：
Which two WAN access methods are specified for a simplified and cost-effective Cisco Single-Site Secure Network Foundation Deployment Design？（）
第6题：
A. They are originated by Area Border Router and are sent into a single area to advertise an Autonomous System Border Router.
B. They are originat ed by Area Border Routers and are sent into a single area to advertise destinations outside that area.
C. They are originated by the DR on every multi - access network. They include all attached routers including the DR itself.
D. They are originated by every router in the OPSF network. They include all routers on the link, interfaces, the cost of the link, and any known neighbor on the link.
第7题：
Wide Area Network (WAN) is a computer network that covers a broad areA. Which statement is correct for wide-area network (WAN)?（）
第8题：
A local area network(LAN)is the communication of a number of computers by(66)connecting to each one in a single location, usually a single floor of a building or all the computers in a small company.
A．line
B．cable
C．copper
D．copper cash
第9题：
Which WAN connection requires a different interface than the standard interface provided in the Cisco Single-Site Secure Network Foundation deployment design？（）
第10题：
现代计算机网络按照其规模距离和结构来划分可以分为（）。