Data Communication & Networking MCQs Set-7

1. Most governments have set aside some frequency bands called the _______ bands for unlicensed usage.
  • IFS
  • ISM
  • IRS
  • IVS
2. The downward beams of a satellite can be broad , covering a substantial fraction of the earth’s surface or narrow, covering an area only hundreds of kilometers in diameter. This mode of operation is known as a ____
  • bent pipe
  • foot print
  • uplink
  • downlink
3. The first geostationary satellite had a single spatial beam that illuminated about 1/3 of the earth’s surface called its _______
  • bent pipe
  • downlink
  • foot print
  • uplink
4. Each end office has a number of outgoing lines to one or more nearby switching canters called ______ A. toll connecting trunks.
  • toll office
  • local loop
  • end office
  • toll connecting trunks.
5. __________ is the loss of energy as the signal propagates outward.
  • Attenuation
  • Distortion
  • Noise
  • Baud
6. Sending packets to a group of stations is known as ______
  • broadcasting
  • multicasting
  • unicasting
  • point-to-point
7. Each area has a _________ agent which keeps track of all mobile hosts visiting the area.
  • mobile
  • home
  • visitor
  • foreign
8. Ad-hoc networks are also called as ____________
  • MAN
  • MANET
  • LAN
  • LANET
9. An example for dynamic routing algorithm is _______.
  • Shortest path
  • Flooding
  • Dijkstra
  • Distance vector
10. ISO stands for _____________
  • International Standard Organization
  • International Student Organization
  • Integrated Services Organization
  • Integrated standard organization