1. In cellular systems, the coverage area of a cell is about:
(A) 1–15 KM radius
(B) 1–10 KM radius
(C) 1–10 KM radius
(D) 1–15 KM radius
2. The mobile switching center (MSC) performs the function of:
(A) Switching mobile calls
(B) Switching PSTN calls
(C) Switching fixed calls
(D) None of the above
3. ADSL splitters are installed at:
(A) In the switch room
(B) User premises
(C) In the central office
(D) a or b
4. One of the functions of the intelligent networks is to translate the:
(A) Caller number
(B) Subscriber number
(C) Dialed number
(D) None of the above
5. VPN provides alternative to the use of private circuits between:
(A) Local exchanges
(B) PBXs
(C) Gateways
(D) None of the above