How can an analyst detect that the router’s image has been altered?

An attacker used social engineering to gain administrative access to a router, then altered the router image.

How can an analyst detect that the router’s image has been altered?
A . by verifying the router’s image digital signature hash
B . by verifying the router’s running configurations
C . by verifying the router’s image creation date
D . by verifying the router’s image version

View Answer

Answer: A