Data Communication Test 02

Total Questions: 35

2 - Which of the following is not a data communication mode?

A ) Simplex
B ) Half-duplex
C ) Full-duplex
D ) Auto ✅

3 - ASCll code was developed by:

A ) ANSI ✅
B ) IBM
C ) Full-duplex
D ) Duplex

4 - The mode that is like a two way street with traffic following in both direction at the same time is called:

A ) Simplex transmission
B ) Full Duplex transmission ✅
C ) Half Duplex transmission
D ) Duplex transmission

5 - The transmission in which data can be received and sent simultaneously is called

A ) Simplex
B ) Full – duplex ✅
C ) Half-duplex
D ) Duplex

6 - A telephone conversation is an example of:

A ) Full–duplex transmission ✅
B ) Half-duplex transmission
C ) Simplex transmission
D ) Duplex transmission

7 - Television are radio broadcasts are example of:

A ) Full- duplex transmission
B ) Half- duplex transmission
C ) Simplex transmission ✅
D ) Duplex transmission

8 - Internet surfing is an example of:

A ) Simplex transmission
B ) Half duplex transmission ✅
C ) Full duplex transmission
D ) Duplex transmission

9 - Which transmission allows data to travel in one direction at a time?

A ) Simplex transmission
B ) Half Duplex transmission ✅
C ) Full Duplex transmission
D ) Duplex transmission

10 - The conversation over a walkie-talkie radio is an example of:

A ) Full- duplex transmission
B ) Half-duplex transmission ✅
C ) Simplex transmission
D ) Duplex transmission

11 - Full- duplex communication is made possible by the advices known as:

A ) Multiplexer ✅
B ) Modem
C ) Keyboard
D ) Mouse

12 - Which of the following is the fastest communication mode?

A ) Half duplex
B ) Full duplex ✅
C ) Simple
D ) Duplex

13 - The internal transfer of binary data in a computer uses ____ mode.

A ) Parallel ✅
B ) Serial
C ) Sequential
D ) Direct

14 - Which of the following devices uses parallel transmission?

A ) Printer ✅
B ) Keyboard
C ) Mouse
D ) All

15 - Most data transmitted over telephone lines uses:

A ) Serial transmission ✅
B ) Parallel transmission
C ) Direct transmission
D ) Sequential transmission

17 - Analogue signal is measured in:

A ) Volt ✅
B ) Hertz
C ) Digits
D ) WATTS

18 - Data is transmitted block by block in:

A ) Synchronous transmission ✅
B ) Isochronous transmission
C ) Asynchronous transmission
D ) Analog transmission

20 - This type of transmission is sometimes called start/stop transmission.

A ) Asynchronous
B ) Isochronous
C ) Monochronous
D ) Synchronous ✅

21 - Transmission that is used without timing signal is called:

A ) Synchronous
B ) Asynchronous ✅
C ) Isochronous
D ) Parallel

23 - A type of communication that stands that are using follow control to synchronize data between sender and receiver is called:

A ) Asynchronous transmission ✅
B ) Synchronous transmission
C ) Isochronous transmission
D ) Monochronous transmission

24 - Type of communication that stands that uses a clock to control timing of bits being sent is called:

A ) Synchronous transmission ✅
B ) Asynchronous transmission
C ) Isochronous transmission
D ) Monochronous transmission

25 - Which of the following technique uses modulation?

A ) Bandwidth
B ) Broadband ✅
C ) Baseband
D ) Bitband

27 - Transmission media are usually categorized as____

A ) Good and bad
B ) Fixed or unfixed
C ) Guided or unguided ✅
D ) Baseband and broadband

28 - The medium in which signals travel through a cable or wire is called:

A ) Guided media ✅
B ) Unguided media
C ) Local media
D ) International media

29 - Which of the following is not a communication media?

A ) Twisted pair
B ) Fiber optic
C ) Microwave
D ) Modem ✅

30 - What is another term for guided media?

A ) Radiated
B ) Wireless
C ) Bounded ✅
D ) Infrared

31 - Which of the following transaction media is used in LAN?

A ) Telephone line
B ) Microwave
C ) Coaxial cable ✅
D ) Satellite

32 - Which of the following consists of thin glass to transmit beams of light?

A ) Twisted pair
B ) Coaxial cable
C ) Fiber optic cable ✅
D ) Microwave

33 - Start/stop bits are not required in this type of transmission.

A ) Asynchronous
B ) Isochronous
C ) Monochronous
D ) Synchronous ✅

34 - Which of the following technique uses modulation?

A ) Bandwidth
B ) Broadband ✅
C ) Base band
D ) Bitband

35 - Which communication technique can transmit the data over long distance?

A ) Baseband
B ) Broadband ✅
C ) Bandwidth
D ) Bit rate