超星 - Chapter1-9课后题 - 查题吧

单选题

The concept related to using computer networks to link people and resources.

A. connectivity
B. GPS
C. TCP/IP
D. Wi-Fi

单选题

A high-frequency transmission cable that delivers television signals as well as connectscomputers in a network.

A. coaxial
B. hi def
C. 3D
D. twisted pair

单选题

A short-range radio communication standard that transmits data over short distances of up to approximately 33 feet.

A. Bluetooth
B. broadband
C. DSL
D. TCP/IP

单选题

The speed with which a modem transmits data is called its:

A. digital velocity
B. dynamic rate
C. modular rating
D. transfer rate

单选题

The bandwidth typically used for DSL, cable, and satellite connections to the Internet.

A. baseband
B. broadband
C. medium band
D. voiceband

单选题

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

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

单选题

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

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

单选题

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

单选题

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

单选题

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

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

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