Network Protocols Exam with Complete Solutions
Network Protocols Exam with Complete Solutions Protocol - Answer-A set of software programs that contain a set of rules that determine how data will be sent over communication devices. Protocol software is responsible for: - Answer-1. How devices identify each other. 2. Determine method of data exchange 3. Determine the size of each data packet. 4. Sets timing for packet transmission 5. Compresses data 6. Determines signal to be used when transmission has completed 7. Send end-of-session signal 8. Checksum - provides error checking TCP/IP - Answer-Transmission Control Protocol/Internet Protocol: was developed by DARPA in early 1970's to support communications over the internet. SMTP - Answer-Simple Mail Transfer Protocol - designed to send email TCP/IP network communications consist of what 3 protocols? - Answer-TCP, IP and UDP. How does TCP/IP work? - Answer-IP routes transmission of information across the network using IP addressing. TCP sends a packet to a destination and waits for confirmation of its arrival - error checking completed making sure entire packet arrived. UDP sends packet without confirmation of arrival. NTP - Answer-Network Time Protocol - synchronizes time between network devices. Important to network security. FTP - Answer-File transfer protocol - uploads and downloads files to and from web servers.
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