Question 1) Data communication needs a sending device, a receiving device and a _________:
A. Network Administrator
B. Telephone Line
C. Server
D. Communication Channel
Question 2) A WAN spans normally:
A. Over a large area
B. From one room to another
C. Within a single building
D. None of the above
Question 3) Data transmission is meant in which format:
A. Analogue
B. Digital
C. Both of the above
D. None of the above
Question 4) ____ are attached to computer systems using USB or serial ports, and uses dial-up technology:
A. Internal Modems
B. External Modems
C. PCMCIA’s
D. NIC
Question 5) The two types of twisted pair are:
A. STP and UTP
B. SFP and UFP
C. STP and UFP
D. SFP and UTP
Question 6) ____ transmit data using light and are immune to electrical noise:
A. Twisted Pair
B. Coaxial Cable
C. Optical Fibre
D. None of the above
Question 7) A satellite receiving signals from the earth station is called as:
A. Upload
B. Download
C. Downlink
D. Uplink
Question 8) A device connected to network is referred to as:
A. Computer
B. Server
C. Node
D. Switch
Question 9) A ____ topology has central device for managing the network:
A. Ring
B. Star
C. Bus
D. Mesh
Question 10) Distortion in a signal is known as:
A. Phase
B. Frequency
C. Fluctuation
D. Noise