Question

Utilities such as TFTP, DNS and SNMP utilize the

Answer 1

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TFTP is a simple protocol for transferring files, implemented on top of the UDP/IP protocols using well-known port number 69.

A DNS server is a computer server that contains a database of public IP addresses and their associated hostnames, and in most cases serves to resolve, or translate, those names to IP addresses as requested. DNS servers run special software and communicate with each other using special protocols.

SNMP works by sending messages, called protocol data units (PDUs), to devices within your network that “speak” SNMP. Using these requests, network administrators can track virtually any data values they specify. All of the information SNMP tracks can be provided to a product that asks for it.

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