Computer Networking Which of the following is a voiceband channel? Coaxial cable Telegraph line Telephone line None of these Microwave systems Coaxial cable Telegraph line Telephone line None of these Microwave systems ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How much power (roughly) a light-emitting diode can couple into an optical fiber? 100 picowatts 440 microwatts 100 microwatts 10 milliwatts None of these 100 picowatts 440 microwatts 100 microwatts 10 milliwatts None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Error control is needed at the transport layer because of potential errors occurring _____. from packet losses. from transmission line noise from out-of-sequence delivery in routers from packet losses. from transmission line noise from out-of-sequence delivery in routers ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What PPP protocol provides dynamic addressing, authentication, and multilink? HDLC LCP X.25 NCP HDLC LCP X.25 NCP ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the maximum number of entries in the HOSTS file? 8 500 255 None of these Unlimited 8 500 255 None of these Unlimited ANSWER DOWNLOAD EXAMIANS APP
Computer Networking To set up a bulletin board system you need a smart modem with auto-answer capabilities a telephone line None of these All of these a personal computer a smart modem with auto-answer capabilities a telephone line None of these All of these a personal computer ANSWER DOWNLOAD EXAMIANS APP
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