Distinguish Between Ftp and Telnet Protocols
1) Distinguish between the FTP and TELNET protocols.
File Transfer Protocol (FTP) is used to transfer text files, programs, spreadsheets, and databases across the Internet.
TELNET is a terminal emulation protocol used on TCP/IP-based networks. It allows users to run programs and review data from a remote terminal or computer. TELNET is an inherent part of the TCP/IP communications protocol. While both protocols deal with data transfer, FTP is useful for perusing a file of data as if the user were actually at the remote site. 2) What purpose do protocols serve?
Protocols serve network functions in several ways:
First, they facilitate the physical connection between the network devices. Through protocols, devices are able to identify themselves to other devices as legitimate network entities and initiate (or terminate) a communication session.
Second, protocols synchronize the transfer of data between physical devices. This involves defining the rules for initiating a message, determining the data transfer rate between devices, and acknowledging message receipt.
Third, protocols provide a basis for error checking and measuring network performance. This is done by comparing measured results against expectations. For example, performance measures pertaining to storage access times, data transmission rates and modulation frequencies are critical to control the network’s function. Thus, the identification and correction of errors depend on protocol standards that define acceptable performance.
Fourth, protocols promote compatibility among network devices. To transmit and receive data successfully, the various devices involved in a particular session must conform to a mutually acceptable mode of operation, such as synchronous and duplex, or half duplex. Without protocols to provide such conformity, messages sent between devices would be distorted and garbled.
Finally, protocols promote network designs that are flexible, expandable, and cost-effective. Users
File Transfer Protocol (FTP) is used to transfer text files, programs, spreadsheets, and databases across the Internet.
TELNET is a terminal emulation protocol used on TCP/IP-based networks. It allows users to run programs and review data from a remote terminal or computer. TELNET is an inherent part of the TCP/IP communications protocol. While both protocols deal with data transfer, FTP is useful for perusing a file of data as if the user were actually at the remote site. 2) What purpose do protocols serve?
Protocols serve network functions in several ways:
First, they facilitate the physical connection between the network devices. Through protocols, devices are able to identify themselves to other devices as legitimate network entities and initiate (or terminate) a communication session.
Second, protocols synchronize the transfer of data between physical devices. This involves defining the rules for initiating a message, determining the data transfer rate between devices, and acknowledging message receipt.
Third, protocols provide a basis for error checking and measuring network performance. This is done by comparing measured results against expectations. For example, performance measures pertaining to storage access times, data transmission rates and modulation frequencies are critical to control the network’s function. Thus, the identification and correction of errors depend on protocol standards that define acceptable performance.
Fourth, protocols promote compatibility among network devices. To transmit and receive data successfully, the various devices involved in a particular session must conform to a mutually acceptable mode of operation, such as synchronous and duplex, or half duplex. Without protocols to provide such conformity, messages sent between devices would be distorted and garbled.
Finally, protocols promote network designs that are flexible, expandable, and cost-effective. Users