Computer Networking In OSI model, which of the following layer provides error-free delivery of data? Data link None of these Network Session transport Data link None of these Network Session transport ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Bus is a continuous frequency capable of being modulated or impressed with a second signal one or more conductors that some as a common connection for a related group of devices a collection of interconnected functional units that provides a data communications service among stations attached to the network None of these the condition when two or more stations attempt to use the same channel at the same time a continuous frequency capable of being modulated or impressed with a second signal one or more conductors that some as a common connection for a related group of devices a collection of interconnected functional units that provides a data communications service among stations attached to the network None of these the condition when two or more stations attempt to use the same channel at the same time ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A receiving host has failed to receive all of the segments that it should acknowledge. What can the host do to improve the reliability of this communication session? Decrease the sequence number. Decrease the window size. Restart the virtual circuit. Send a different source port number. Decrease the sequence number. Decrease the window size. Restart the virtual circuit. Send a different source port number. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the port number for POP3? 49 90 80 110 49 90 80 110 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? IMAP DHCP FTP SMTP POP3 IMAP DHCP FTP SMTP POP3 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. If Delta modulation is selected, then how many bits per second are actually sent? 128 kbps None of these 64 kbps. 8 kbps 32 kbps 128 kbps None of these 64 kbps. 8 kbps 32 kbps ANSWER DOWNLOAD EXAMIANS APP