Top 350+ Solved Ubiquitous Computing System (UCS) MCQ Questions Answer

From 196 to 210 of 349

Q. US cellular standard CDPD stands for                    

a. cellular digital packet data

b. cellular digital packet data

c. cellular digital pocket data

d. cellular discrete pocket data

  • a. cellular digital packet data

Q. What are the Methods to movedata through a network of links and switches?

a. packet switching and line switching

b. circuit switching and line switching

c. line switching and bit switching

d. packet switching and circuit switching

  • d. packet switching and circuit switching

Q. In                    systems, resourcesare allocated on demand.

a. packet switching

b. circuit switching

c. line switching

d. frequency switching

  • a. packet switching

Q. WiMAX stands for                        

a. wireless maximum communication

b. worldwide interoperability for microwave access

c. worldwide international standard formicrowave access

d. wireless internet maximum communication

  • b. worldwide interoperability for microwave access

Q. WiMAX provides                  

a. simplex communication

b. half duplex communication

c. full duplex communication

d. no communication

  • c. full duplex communication

Q. Which of the following modulation schemes is supportedby WiMAX?

a. binary phase shift keying modulation

b. quadrature phase shift keyingmodulation

c. quadrature amplitudemodulation

d. all of the mentioned

  • d. all of the mentioned

Q. WiMAX provides                

a. voip services

b. iptv services

c. both voip andiptv services

d. no iptv services

  • c. both voip andiptv services

Q. Which of the following frequencies is not used in WiMAXfor communication?

a. 2.3 ghz

b. 2.4 ghz

c. 2.5 ghz

d. 3.5 ghz

  • b. 2.4 ghz

Q. What is the access point (AP) in a wireless LAN?

a. device that allows wireless devices to connect to a wired network

b. wireless devices itself

c. both device that allows wireless devices to connect to a wired

d. all the nodes in the network

  • a. device that allows wireless devices to connect to a wired network

Q. Which multiple access techniqueis used by IEEE 802.11 standard for wireless LAN?

a. cdma

b. csma/ca

c. aloha

d. csma/cd

  • b. csma/ca

Q. Mostly                  is used in wireless LAN.

a. time division multiplexing

b. orthogonalfrequency division multiplexing

c. space division multiplexing

d. channel division multiplexing

  • b. orthogonalfrequency division multiplexing

Q. What is WPA?

a. wi-fi protected access

b. wired protectedaccess

c. wired processaccess

d. wi-fi process access

  • a. wi-fi protected access

Q. InBluetooth,multiple                  form a network called a ------------

a. scatternet; piconets

b. piconets: scatternet

c. piconets: bluenet

d. bluenet; scatternet

  • b. piconets: scatternet

Q. The bluetooth supports

a. point-to-point connections

b. point-to-multipoint connection

c. both (a) and (b)

d. none of the above

  • c. both (a) and (b)

Q. Frequency range supported inZigbee .............

a. 2.4 ghz worldwide

b. 2.0 ghz worldwide

c. 2.1 ghzworldwide

d. 3.4 ghz worldwide

  • a. 2.4 ghz worldwide
Subscribe Now

Get All Updates & News