Computer Networking

note!Answer: C) Both a and b
Network resources can be reached by computer name or by IP address.

note!Answer: D) All of the above
Twisted pair, coaxial, and fiber optic cables are all used as network cables.

note!Answer: C) WAN
A WAN (Wide Area Network) covers large geographic areas, including worldwide connections.

note!Answer: B) Metropolitan area network
MAN stands for Metropolitan Area Network.

note!Answer: A) Modulator demodulator
MODEM is short for MOdulator-DEModulator, which converts digital and analog signals.

note!Answer: A) Domain Name System
DNS stands for Domain Name System, which translates domain names into IP addresses.

note!Answer: C) 32 bit long
IPv4 addresses are 32 bits long.

note!Answer: D) All of the above
Twisted pair, coaxial, and optical fiber are all transmission media.

note!Answer: A) Twisted pair cables
Twisted pair cabling reduces crosstalk because the paired wires cancel out interference.

note!Answer: C) Carrier sense multiple access
CSMA stands for Carrier Sense Multiple Access.

note!Answer: B) Token ring topology
IEEE 802.5 is the standard for Token Ring networks.

note!Answer: D) Windows Xp
Windows XP is an operating system, not a hardware component.

note!Answer: B) Fiber optic
Fiber optic cables carry data as pulses of light.

note!Answer: D) Client
Client is a role in a network, not a communication protocol.

note!Answer: B) Coaxial cable
Coaxial cable has a central conductor surrounded by a conducting outer shield.

note!Answer: A) Light
Fiber optic cables transmit signals as light waves.

note!Answer: D) Atmosphere
Guided media use physical cables; the atmosphere is unguided (wireless) media.

note!Answer: A) Guided
Guided media provide a physical path such as a cable between devices.

note!Answer: D) A world wide interconnected network of computer which use a common protocol to communicate with one another
The Internet is a worldwide interconnected network of computers that communicate using a common protocol (TCP/IP).

note!Answer: C) A commonly agreed set of rules to communicate between computer
The Internet requires a commonly agreed set of rules, called protocols, for computers to communicate.