What protocol allows an engineer to back up 20 network router configurations globally while using the copy function?
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A. B. C. D.D.
The correct answer is C. FTP.
FTP (File Transfer Protocol) is a protocol used to transfer files between network devices. It is commonly used for transferring files between a client and a server over the internet or within a local network. FTP provides a way to transfer files using the copy function to a remote server, allowing engineers to back up 20 network router configurations globally.
TCP (Transmission Control Protocol) is a protocol used to establish and maintain communication between devices over the internet. It is used to provide reliable, ordered, and error-checked delivery of data packets between applications running on different hosts. While TCP is used for reliable data transfer, it is not used for file transfer purposes.
SMTP (Simple Mail Transfer Protocol) is a protocol used for sending and receiving email messages between servers. SMTP is used to transfer email messages from one mail server to another. SMTP is not used for file transfer purposes.
SNMP (Simple Network Management Protocol) is a protocol used to manage and monitor network devices such as routers, switches, and servers. SNMP provides a way to monitor the status of network devices and receive alerts when issues arise. It is not used for file transfer purposes.
Therefore, the correct answer is C. FTP.