You are creating a Windows Communication Foundation (WCF) service that accepts messages from clients when they are started. The message is defined as follows:[MessageContract] public class Agent { public string CodeName { get; set; } public string SecretHandshake { get; set; }}You have the following requirements: The CodeName property must be sent in clear text. The service must be able to verify that the property value was not changed after being sent by the client. The SecretHandshake property must not be sent in clear text and must be readable by the service.What should you do?（）

On offshore drilling units，each EPIRB or SART must be tested once every（）.

The（）enables water to be blow down or emptied from the boilerIt may be used when partially or completely emptying the boiler.

By regulation，cargo tanks must be inert before and during what operation?（）.

Notice of readingness to load must be served（）the charterer or his agent.

Notice of Readiness to Load must be served（）the Charterer or his agent.

When discharging bilge water, which criteria must be observed?（）

What is used to correct for both induced and permanent magnetism，and consequently must be readjusted with radical changes in latitude（）.

hich factors must be most considered when developing acceptance creteria?（）

Which factors must be most considered when developing acceptance criteria(72)

How long must GMDSS Radio Logs be retained by the licensee when they relate to a distress situation or disaster? （）

Vessels must be（）valid certificate of nationality or certificated of registry or license.