46. The geostationary satellite used for communication systems
A. rotates with the earth
B. remains stationary relative to the earth
C. is positioned over equator
D. All of the above
E. None of the above
47. Telecommunication networks frequently interconnect an organization with its customers and suppliers. Select the best fit for answer:
A. Bandwidth alternatives
B. Switching alternating
C. Inter organizational networks
D. Extranets
48. The packets switching concept was first proposed
A. in the late 1980s for the Defense Ministry of US.
B. in the early 1960s for military communication systems, mainly to handle speech
C. in the late 1950s for Defense Ministry of US
D. All of the above
E. None of the above
49. The _____ houses the switches in token ring.
A. transceiver
B. nine-pin connector
C. MAU
D. NIC
E. None of the above
50. What device separates a single network into two segments but lets the two segments appear as one to higher protocols?
A. Switch
B. Bridge
C. Gateway
D. Router