Q. Radio signals generally propagate according to the following mechanisms:

View solution

Q. Match the following with link quality measurement and handoff initiation :

(a) Networked-Controlled Handoff(NCHO)            (i) MS connect to BS
(b) Mobile-Assisted Handoff(MAHO)           (ii) Process via channel the target BS
(c) Forward Handoff                            (iii) First Generation Analog Cellular System
(d) Hard Handoff                                 (iv) Second Generation Digital Cellular System

      (a)   (b)   (c)  (d)

View solution

Q. If the period of a signal is 1000 ms, then what is its frequency in kilohertz ?

View solution

Q. Hub is a term used with

View solution

Q. Which of the following network access standard disassembler is used for connection station to a packet switched network?

View solution

Q. A station in a network, forward incoming packets by placing them on its shortest output queue. What routing algorithm is being used?

View solution

Q. Start and stop bits are used in serial communications for

View solution

Q. Data security threats include

View solution

Q. The cellular frequency reuse factor for the cluster size N is

View solution

Q. Handoff is the mechanism that

View solution

Q. All of the following are examples of real security and privacy risks except

View solution

Q. Identify the incorrect statement:

View solution

Q. The number of bits required for an IPV6 address is

View solution

Q. A comparison of frequency division and time division multiplexing system shows that

View solution

Q. If carrier modulated by a digital bit stream, has one one of the possible phase of 0, 90, 180 and 270 degrees, then modulation called

View solution

Q. Consider the following statement :

(i) The bandwidth of the A.M., wave depends on the band width of the modulating signal.
(ii) The bandwidth of the A.M., wave depends on the modulation index.
(iii) The bandwidth of the F.M, wave for all practical purpose depends on the amplitude of the carrier.

Of these statements the correct statements are

View solution

Q. A smart modem can dial, hangup and answer incoming calls automatically. Can you tell who provides the appropriate instructions to the modem for this purpose ?

View solution

Q. Which of the following switching techniques is most suitable for interactive traffic ?

View solution

Q. Frequency shift keying is used mostly in

View solution

Q. The baud rate is

View solution