Negotiation between sender and receiver to decide on maximum message size and quality of service is required in: a. Connection-oriented b. Connectionless c. Both of them d. None of... Negotiation between sender and receiver to decide on maximum message size and quality of service is required in: a. Connection-oriented b. Connectionless c. Both of them d. None of them. Framing of variable length bit streams can be best done using: a. Character counts b. Flag bytes with bit stuffing c. Starting and ending flags, with bit stuffing d. Physical layer coding violations. The data rate of a channel depends on: a. Bandwidth b. Signal to noise ratio c. Both of them d. None of them. Hamming code can: a. Only detect errors b. Correct single errors c. Correct multiple errors d. Detect multiple errors. The operations (LISTEN, CONNECT and DISCONNECT) must exist in: a. Connection-oriented b. Connectionless c. Both of them d. None of them. The layer responsible for congestion control is: a. Application layer b. Transport layer c. Network layer d. Data link layer. Computers with different internal data formats can communicate through: a. Data link layer b. Session layer c. Transport layer d. Presentation layer. In connectionless service packets arrive: a. Same route but different order b. Different order c. Same order d. Different routes but same order. Protocol stack is located in: a. Physical layer b. Operating system c. Network interface card d. Application layer. A technique used for sampling and modulation of signals in Time Division Multiplexing is: a. ADSL b. PCM c. EDM d. WDM. In the VLF, LF, and MF bands, radio waves: a. Need a twisted pair as a guided media b. Need a coaxial cable as a guided media c. Follow the curvature of the earth d. Bounce off the ionosphere. One of the following does NOT apply to radio signals: a. Travel long distances b. Penetrate building c. Transmitter and receiver need to be aligned d. They require less equipment than geostationary satellites. One of the following statements is NOT true in Medium Access Control: a. It takes about 6 hours to circle the earth. Read more