Answer:
Yes the network administrator should be concerned if he suspects packet sniffing
Explanation:
packet sniffing is the process of capturing data that is sent over a local network. From the scenario above, the network administrator is using an SSH connection for all critical applications, however SSH which is Secure Shell (SSH) is a UNIX-based command interface and protocol for securely getting access to a remote computers and may not provide effective prevention of packet sniffing in a local network
