题目内容

Every computer on the Internet has a unique numeric address called a(n):

A. IP address
B. DNS
C. broadcast
D. packet

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Sometimes referred to as a LAN adapter, these expansion cards connect a computer to a network.

A. PCMCIA
B. NIC
C. server
D. VPN

A device that allows one LAN to be linked to other LANs or to larger networks.

A. IDS
B. network gateway
C. PAN
D. switch

Typically using Wi-Fi technology, these wireless access points are available from public places such as coffee shops, libraries, bookstores, colleges, and universities.

A. hotspots
B. extranets
C. PANs
D. LANs

Bus, ring, star, tree, and mesh are five types of network:

A. topologies
B. protocols
C. strategies
D. devices

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