Computer Networking set 5

Information  Technology - National Institute of Oriented School (ITNIOS)

Set -5

Question:1 Number of bits per symbol used in Baudot code is

a. 7b. 5c. 8d. 9

Question 2:What is the main difference between DDCMP and SDLC?

a. DDCMP does not need special hardware to final the beginning of a message

b. DDCMP has a message headerc. SDLC has a IP addressd. SDLC does not use CRC

 Question 3:An example of digital, rather than analog, communication is

a. DDDb. DDSc. WATSd. DDT

Question 4:Terminals are required for 

a. real-time, batch processing & time-sharingb. real time, time-sharing & distributed message processingc. real time, distributed processing & manager inquiryd. real-time,  time sharing & message switching

Question 5:The receive equilizer reduces delay distortions using a

a. tapped delay linesb. gearshiftc. descramblerd. difference engine

Question 6:Ina synchronous modem, the receive equilizer is known as

a. adaptive equilizerb. impariment equilizerc. statistical equilizerd. compromise equilizer 

Question 7:The channel in the data communication model can be

a. postal mail servicesb. telephone linesc. radio linesd. any of the above

Question 8:A data terminal serves as an

a. Effector        b. sensor         c. both a and b             d. neither a nor b

Question 9:Which of the following transmission systems provide the highest data rate to in individual device?

a. computer bus           b. telephone lines        c. voice and mode        d. lease lines

Question 10:A protocol is a set of rules governing a time sequence of events that must take place

a. between peers         b. between an interface           c. between modems     d. across an interface

1. b

2. a

3. b

4. d

5. a

6. a

7. d

8. c

9. a

10. a