第1题:
A.Global buffers such as the InnoDB buffer pool are allocated after the server starts, and are never freed
B.Thread buffers are allocated when a client connects, and are freed when the client disconnects
C.Buffers that are needed for certain operation are allocated when the operation starts, and freed when it ends
D.User buffers are allocated at server startup and freed when the user is dropped
E.All dynamic buffers that are set with a SET GLOBAL statement immediately get allocated globally, and are never freed
第2题:
When loading a container vessel,the operation is basically that of vertical loading.The important factors to be considered when loading containers are port of discharge,______.
A.Available dunnage,and chocking
B.Crushability,and inherent vice
C.Sweat,and weight
D.Weight,and refrigeration
第3题:
[A] operation
[B] production
[ C] procession
[ D] action
第4题:
The Company LAN switches are being configured to support the use of Dynamic VLANs. What should be considered when implementing a dynamic VLAN solution?()
第5题:
第6题:
When the result of an operation becomes larger than the limits of the representation, occurs.
A.overdose
B.overflow
C.overdraft
D.overexposure
第7题:
Which action(s)are included in crane operations ________.
A.Pre-operation of the anchor windlass
B.Preparing steam on deck
C.Luff,slew,and hoist operations
D.All of the above
第8题:
Which one of the followings is not a right way to behave during mooring unmooring operation?—_______.
A.Stay close to the towline at all time
B.Beware the bights
C.When operating the winch/windlass,ensure that yourself understand the controls
D.When the tug is being secured or let go, monitor the operation closely
第9题:
What are the three main types of networks that must be considered when defining a security policy?
第10题:
When disposing of data, which of the following should be considered FIRST?()