Which step can a Citrix Administrator take to use default compression policies?

Scenario: While using the GUI, a Citrix ADC MPX appliance becomes unresponsive. A Citrix Administrator needs to restart the appliance and force a core dump for analysis.
What can the administrator do to accomplish this?

Scenario: A Citrix Administrator configured a load-balancing vServer. The URL for this vServer is vpn.citrix.com. The backend server has the host name configured as server1.citrix.com.
The administrator needs to implement the policy to change the host name from vpn.citrix.com to server1.citrix.com, and vice versa.
Which does the administrator need to configure to meet this requirement?

Scenario: A Citrix Administrator needs to configure persistence on a global server load balancing (GSLB) vServer to which a service is bound. Service must continue to handle requests from the client even after it is disabled manually - accepting new requests or connections only to honor persistence. After a configured period of time, no new requests or connections are directed to the service and all existing connections are closed.
To achieve these requirements, which parameter can the administrator configure while disabling the service?

Scenario: A Citrix Administrator executed the command below:
> set httpcallout httpcallout1 -cacheForSecs 120
This command changes the cache duration of the HTTP ____________ to be set to 120 seconds. (Choose the correct option to complete the sentence.)