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