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

Q. How much bandwidth is there in 1 micron of spectrum at a wavelength of 1 micron?

View solution

Q. Which of the following file transfer protocols use TCP and establishes two virtual circuits between the local and remote server?

View solution

Q. The threshold effect in demodulator is

View solution

Q. The …………… field is the SNMP PDV reports an error in a response message.

View solution

Q. End-to-End connectivity is provided from Last-to-Last in

View solution

Q. What services does the internet layer provide?

1. Quality of service
2. Routing
3. Addressing
4. Connection oriented delivery
5. Framing bits

View solution

Q. What is the maximum operating rate of a wireless LAN using infrared communication?

View solution

Q. The cost of the network is usually determined by

View solution

Q. A leased special high-speed connection from the local telephone carrier for business users that transmits at 1.544 mbps is known as ……………. carrier.

View solution

Q. CDMA Cell uses …………… carriers of 1.25 MHz.

View solution

Q. If in an error detection and correction code a message M : “You are good students” is stored as M' :

Youare areyou aregood goodare goodstudents studentsgood.

What is the space required to store M' in general? (assume that ‘n’ is the length of M)

View solution