A server has been assigned a role of mail server.
Which of the following services will be installed as a result of this selection?
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A. B. C. D. E.B.
The correct answer for this question is B. SMTP.
When a server is assigned the role of a mail server, it means that it will be responsible for sending and receiving emails for a domain. To accomplish this, the server will need to use the Simple Mail Transfer Protocol (SMTP), which is the standard protocol for sending emails over the Internet.
SMTP is a client-server protocol that allows mail clients to send messages to a mail server, which then forwards the message to the recipient's mail server. SMTP uses port 25 as its default port number.
The other options listed in the question are not relevant to the role of a mail server. SNMP (Simple Network Management Protocol) is used for network monitoring and management, TCP (Transmission Control Protocol) is a transport layer protocol used for reliable data transfer, DHCP (Dynamic Host Configuration Protocol) is used for automatically assigning IP addresses to devices on a network, and SFTP (Secure File Transfer Protocol) is used for secure file transfers over a network.
In summary, SMTP is the service that will be installed on a server when it is assigned the role of a mail server.