Computer Networking Who invented the modem? Wang Laboratories Ltd. Apple Computers Inc. None of these AT & T Information Systems, USA Digital Equipment Corpn. Wang Laboratories Ltd. Apple Computers Inc. None of these AT & T Information Systems, USA Digital Equipment Corpn. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Error detection at a data link level is achieved by equalization cyclic redundancy codes bit stuffing Hamming codes None of these equalization cyclic redundancy codes bit stuffing Hamming codes None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the number of separate protocol layers at the serial interface gateway specified by the X.25 standard? 6 2 4 3 None of these 6 2 4 3 None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Modulation is the process of Multiplexing various signals into high speed line signals converting digital signals to analog signals converting analog signals to digital signals performing data encryption. Multiplexing various signals into high speed line signals converting digital signals to analog signals converting analog signals to digital signals performing data encryption. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following allows a simple email service and is responsible for moving messages from one mail server to another? SMTP IMAP FTP POP3 DHCP SMTP IMAP FTP POP3 DHCP ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You want to ping the loopback address of your local host(with IPv6). What will you type? ping 127.0.0.1 ping ::1 ping 0.0.0.0 trace 0.0.::1 ping 127.0.0.1 ping ::1 ping 0.0.0.0 trace 0.0.::1 ANSWER DOWNLOAD EXAMIANS APP
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