The network administrator is using a Windows PC application that is called putty.exe for remote
communication to a switch for network troubleshooting. Which two protocols could be used during
this communication? (Choose two.)
A.
SNMP
B.
HTTP
C.
Telnet
D.
RMON
E.
SSH
Secure Shell, or SSH, is a cryptographic (encrypted) network protocol operating at layer 7 of the OSI Model to allow remote login and other network services to operate securely over an unsecured network.
SSH provides a secure channel over an unsecured network in a client-server architecture, connecting an SSH client application with an SSH server.[2] Common applications include remote command-line login and remote command execution, but any network service can be secured with SSH. The protocol specification distinguishes between two major versions, referred to as SSH-1 and SSH-2.
Telnet is a user command and an underlying TCP/IP protocol for accessing remote computers. Through Telnet, an administrator or another user can access someone else’s computer remotely.
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