Computer Applications
What is SSH ? How is it related to SFTP and SCP protocols ?
Internet
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Answer
SSH (Secure SHell) is remote logging protocol that logs into remote machine via a shell where all data between the client and server is encrypted.
The SSH protocol ensures security shell using other protocols like SCP and SFTP. The SCP (Secure Copy) protocol allows transmission of files from one machine to another over Internet with the encryption benefits of SSH. Similarly, SFTP (Secure File Transfer Protocol) is a secure protocol for file transfer and it ensures security of data based on the SSH protocol.
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PJM Bank has a Head Office based in Bangalore and a large number of branches nationwide. The Head Office uses video conferencing to communicate with the branch managers.
(a) Identify the requirements to be fulfilled by each branch for video conferencing.
(b) Describe three benefits to the bank of using video conferencing.
(c) Describe three problems that may occur when using video conferencing.