AtoZExams

Computer Network Multiple Choice Questions 1) In which of the following switching methods, the message is divided into small packets? Message switching Packet switching Virtual switching None of the these  Answer: (b) Packet switching Explanation: In packet switching, the message is divided into small parts. These small parts of the message are called packets, and each packet has its own source and destination address. Each packet is transmitted forward in the network only on the basis of these addresses. 2) Which of the following switch methods creates a point-to-point physical connection between two or more computers? Message switching Packet switching Circuit switching None of the these  Answer: (a) Circuit switching Explanation: Circuit switching is a switching technique in which a point-to-point physical connection is made between two or more devices. For example: Telephone system, in which sender and receiver are connected by physical connection, such as wire. 3) What is...

Computer Network Multiple Choice Questions 1) Which of these is a standard interface for serial data transmission? ASCII RS232C 2 Centronics  Answer: (b) RS232C Explanation: The RS232C is a standard interface for serial data transmission that defines the protocol and physical interface for transmitting serial data fairly easily between associated appliances and computers. 2) Which type of topology is best suited for large businesses which must carefully control and coordinate the operation of distributed branch outlets? Ring Local area Hierarchical Star  Answer: (d) Star Explanation: The star topology is the best network topology for large businesses because it is simple to control and coordinate from the central computer. 3) Which of the following transmission directions listed is not a legitimate channel? Simplex Half Duplex Full Duplex Double Duplex  Answer: (d) Double Duplex Explanation: Double duplex is not a legitimate channel for transmission in computer network. 4...