Free computer quiz Online Test - MeritNotes

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1. Contention is

(a) A collection of interconnected functional units that provides a data communications service among stations attached to the network
(b) The condition when two or more stations attempt to use the same channel at the same time
(c) A continuous frequency capable of being modulated or impressed with a second signal
(d) One or more conductors that serve as a common connection for a related group od devices

2. The MAC (Media Access Control) address of the network card is used in both Ethernet and Token Ring networks and is essential for communication. What does MCA provide?

(a) The logical domain address for the workstation
(b) A physical address that is assigned by the manufacturer
(c) A physical address that is randomly assigned each time the computer is started
(d) A logical address that identifies the workstation

3. A communications medium that uses pulses of laser light in glass fibers. Select the best fit for answer.

(a) Telecommunications software
(b) Telecommunications processors
(c) Cellular phone systems
(d) Fiber optic cables

4. The transport layer protocol is connectionless.

(a) TCP
(b) UDP
(c) FTP
(d) NVT

5. UDP is

(a) Connectionless and reliable
(b) Connection oriented and reliable
(c) Connection oriented and unreliable
(d) Not a part of the TCP/IP suite

6. A device that links two homogeneous packet broadcast local networks, is

(a) Hub
(b) Bridge
(c) Gateway
(d) Repeater

7. HMP (Host Monitoring Protocol) is

(a) A protocol that handles error and control messages
(b) A protocol used to monitor computers
(c) A TCP/IP high level protocol for transferring files from one machine to another
(d) A TCP/IP protocol used to dynamically bind a high level IP Address to a low level physical hardware address

8. The main difference between TCP and UDP is

(a) UDP is a datagram where as TCP is a connection oriented service
(b) TCP is an Internet protocol where as UDP is an ATM protocol
(c) UDP is connection oriented where as TCP is datagram service
(d) All of the above

9. CSMA (Carrier Sense Multiple Access) is

(a) Network access standard for connecting stations to a circuit switched network
(b) A very common bit oriented data link protocol issued by ISO
(c) A method access control technique for multiple access transmission media
(d) A method of determining which device has access to the transmission medium at any time

10. TCP is

(a) Connectionless and unreliable
(b) Connection orientated and reliable
(c) Connection oriented and unreliable
(d) Operators at the Data Link layer

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