What command will install the image needed on the Cisco IOS-XR if the SSH configuration options are unavailable?
A. install activate disk0:c12k-k9sec.pie-4.1.2
B. install activate disk0:c12k-diags.pie-4.1.2
C. install commit disk0:c12k-diags.pie-4.1.2
D. install ssh activate disk0:c12k-k9sec.pie-4.1.2
