The system of derricks and winches has

1、The system administrator has requested

The system administrator has requested that all setuid/setgid bits be removed from executables in application filesystem. Which command will achie...

2、● The Internet is an open system, and

● The Internet is an open system, and most information is available to everyone. It is very important to add (74) to existing system for protecting the secret information.(74)A Web pagesB modemC securityD network

3、Systems of inbound and outbound lanes

Systems of inbound and outbound lanes to promote the safe flow of vessel traffic in certain areas around the world are known as（）.Amerchant ...

4、The duty of a deck winch is to lift an

The duty of a deck winch is to lift and lower a load by means of a fixed rope on （）.Aa warp endBa mooring winchCa worm gearDa barrel

5、The system of valves and cargo lines i

The system of valves and cargo lines in the bottom piping network of a tanker that connects one section of cargo tanks to another section is called a（）.Acome-alongBcrossoverCmanifoldDrunaround

6、The revolving drum of a winch used to

The revolving drum of a winch used to haul lines is called a（）.Abull gearBgypsyheadCspannerDwildcat