( ) is a system that transmits any combination of voice, video, and/or data between users.

A. Internet
B. Network
C. WWW
D. System

A ( )connects large numbers of nodes over long-distance communications links, such as common carrier telephone lines, over distances ranging from that between major metropolitan centers to that between continents.

A. URL (Universal Resource Locator)
B. LAN (Local Area Network)
C. WAN( Wide Area Network)
D. WWW(World Wide Web)

Comparing to other types of network, the bus network has some advantages, including ( )

A. Easy to implement and extend
B. Well suited for temporary networks (quick setup)
C. Typically, the cheapest topology to implement
D. All stations have equal access

写出单词:冲突____.