1. List all the characteristics of a computer network:
1. A computer network is several computers used for similar operations
2. A computer network is a group of computers connected by special hardware
3. Presence of a server is obligatory
4. In a network it is possible to exchange data between any computers
5. Computers must connect directly to each other
2. What is the name of a computer designed to work interactively?
1. Server
2. User
3. addressee
3. List the computer networks that connect users of the same enterprise
1. Regional
2. local
3. Global .
4. Megacities
4. Local networks mainly use:
1. satellite communication lines
2. Digital communication lines
3. telephone lines
4. analog lines
5. What is the topology of a single-segment Ethernet network based on a hub?
1.”ring”
2.”star”
3.”common bus”
6. Name the set of rules by which a message is processed by structural elements and transmitted across a network
1. interface
2. Protocol
3. Packet
7. A network packet contains:
1. the address of only the computer to which it is sent
2. The address of only the computer to which it is sent and the address of the sending computer
3. information without addresses
8. From the following sequence of standard communication protocol stack names, select the ones that refer to the Microsoft stack:
1. NetBIOS/SMB
2. TCP/IP
3. Novell
9. From the following sequence of names of standard communication protocol stacks, select those that belong to the Novell stack:
1. DECnet
2. Internet
IPX/SPX
10. Can digital communication lines transmit analog data?
1. Yes
2. No
11. Analog modulation is a method of coding in which information is encoded:
1. a change in amplitude
2. a change in the frequency of a sine wave
3. Potential code.
4. A change in the phase of a sine wave.
5. Redundant codes
6. Pulse code
7. Scramdling
12. Digital coding is a method of coding in which information is encoded:
1. change in amplitude
2. A change in the frequency of a sine wave.
3. A change in the phase of a sine wave 3.
4. Redundant codes
5. Pulse code
13. What is a collision?
1. The situation when a station wishing to transmit a packet discovers that another station is already busy transmitting
2. The situation when two workstations simultaneously transmit data into a shared transmitting environment
14. What is the maximum segment length of the 10Base 5 standard?
1. 1500 м
2. 500 м
3. 2000 м
15. Type of 10Base 5 standard cable?
1. “Thick” coaxial
2. fiber optic cable
3. optical
16. Type of 10Base 2 standard cable?
1. “Thin” coaxial.
2. twisted pair
17. Maximum segment length of the 10Base 2 standard?
1. 200 meters
2. 185 meters
18. What type of 10Base T standard cable?
1. Coaxial
2. Twisted pair
19. 10Base T standard topology?
1. Star
2. Ring
20. 10Base T standard segment length?
1. 100 meters
2. 1,000 meters
TO THE TEST KEY
1-2, 2-1, 3-2, 4-2, 5-2, 6-2, 7-2, 8-2, 9-3, 10-1, 11-1, 12-5, 13-1, 14-2, 15-1, 16-1, 17-2, 18-2, 19-1, 20-1
RESULTS ANALYSIS
0 – 10 correct answers – your grade is 2. Work on this topic some more!
11-13 points Your grade is 3. You can probably answer better!
14-16 points Your grade is 4. Not bad, but you need to pay more attention !
17-20 points Your grade is 5. Excellent !
