Computer networks objective questions answers PDF

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Quiz exercises cover a wide range of areas, from computer science to linguistics.
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Computer Networks Objective Questions with Answers PDF Question: 1 Which of the following is not a disadvantage of wireless LAN? (A) Slower data transmission (B) Higher error rate (C) Interference of transmissions from different computers (D) All of the above Ans: D All of the above Question: 2 Networks are monitored by security personnel and supervised by _____ who set(s) up accounts and passwords for authorized network users. (A) Password administrators (B) Network administrators (C) The government (D) IT managers Ans: B Network administrators

Question: 3 ______ is a technique that is used to send more than one call over a single line. (A) Digital transmission (B) Infrared transmission (C) Digitizing (D) Multiplexing Ans: D Multiplexing Question: 4 The portion of server memory set aside to temporary hold data packets from workstations is called (A) Dirty packet buffer (B) Packet block (C) Packet receive buffer (D) Packet cache buffer Ans: C Packet receive buffer Question: 5

What frequency range is used for FM radio transmission? (A) Very high frequency : 30MHz to 300 MHz (B) High frequency : 3 MHz to 30 MHz (C) Low frequency : 30kHz to 300 kHz (D) Very low frequency : 3kHz to 30 kHz Ans: A Very high frequency : 30MHz to 300 MHz...