Information Technology - National Institute of Oriented School (ITNIOS)
Set -2
Question 1:The interactive transmission of
data within a time sharing system may be best suited to
a. simplex linesb. half-duplex linesc. full
duplex linesd. biflex-lines
Question 2:Which of the following
statement is incorrect?
a. The difference
between synchronous and asynchronous transmission is
the clocking derived from the data in synchronous transmission.
b. Half duplex line is a communication line in
which data can move in two directions, but not at the same time.
c. Teleprocessing combines telecommunications
and DP techniques in online activities
d. Batch processing is the prefered processing
mode for telecommunication operation.
Question 3:Which of hte following is
considered a broad band communication channel?
a. coaxial cableb. fiber optics cablec.
microwave circuitsd. all of above
Question 4:Which of the following is not
a transmission medium?
a. telephone linesb. coaxial cablesc. modemd. microwave systems
Question 5:Which of the following does not
allow multiple uses or devices to share one communication line?
a. doubleplexerb. multiplexerc. concentratord.
controller
Question 6:Which of the following signal
is not standard RS-232-C signal?
a. VDRb. RTSc. CTSd. DSR
Question 7:Which of the following
statement is incorrect?
a. Multiplexers are designed to accept data
from several I/O devices and transmit a unified stream of data on
onecommunication lineb. HDLC is a standard synchronous communication protocol.
c. RTS/CTS is the way the DTE indicates that
it is ready to transmit data and the way the DCW indicates that it is ready to
accept datad. RTS/CTS is the way the terminal indicates ringing
Question 8:Which of the following is an
advantage to using fiber optics data transmission?
a. resistance to data theftb. fast data
transmission ratec. low noise leveld. all of above
Question 9:Which of the following is
required to communicate between two computers?
a. communications software b. protocol c.
communication hardware d. all of above
including access to transmission medium
Question 10:The transmission signal
coding method of TI carrier is called
a. Bipolar b.
NRZ c. Manchester d. Binary
1. b 2.
D 3. D 4. C 5. A 6. A 7.
D 8. D 9. D 10. a
No comments:
Post a Comment