Which of the following protocols are classified as connectionless? (Choose two.)
A. TFTP
B. FTP
C. HTTP
D. SNMP
E. SSH
F. IMAP
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TFTP (Trivial File Transfer Protocol): TFTP is a a simple form of the File Transfer Protocol (FTP). TFTP uses the User Datagram Protocol (UDP) and provides no security features. It has least amount of overhead, and as a result the fastest file transfer protocol.
Simple Network Management Protocol (SNMP): SNMP is an application-layer protocol defined by the Internet Architecture Board (IAB) for exchanging management information between network devices. It is a part of Transmission Control Protocol/Internet Protocol (TCP/IP) protocol suite. SNMP is one of the widely accepted protocols to manage and monitor network elements. Security is based on the concept of communities. All machines that are part of same community can talk to one another. Basically, the name of the community is like a password and should be treated that way. Only agents and managers that are part of the same community can talk to one another. The default community name is “public”. For security reasons, it is better to change the community name to a difficult to guess name. SNMP uses UDP over IP. It Used to monitor and manage network devices