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A backlash below a lock is defined as a（）.

题目
单选题
A backlash below a lock is defined as a（）.
A

current setting your vessel on the wall

B

current setting into the lock chamber

C

an eddy working along the lower guide wall

D

current setting counterclockwise

参考答案和解析
正确答案： A
解析： 暂无解析
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相似问题和答案

第1题：

synchronized和java.util.concurrent.locks.Lock的比较,描述正确的是()

A.Lock不能完成synchronized所实现的所有功能

B.synchronized会自动释放锁

C.Lock一定要求程序员手工释放，并且必须在finally从句中释放

D.Lock有比synchronized更精确的线程语义和更好的性能


参考答案：B, C, D

第2题：

已知事务T 1的封锁序列为:LOCK S(A)…LOCK S(B)…LOCK X(C)…UNLOCK(B)…UNLOCK (A)…UNLOCK (C)事务T 2的封锁序列为:LOCK S(A)…UNLOCK (A)…LOCK S(B)…LOCK X(C)…UNLOCK (C)…UNLOCK (B)则遵守两段封锁协议的事务是( )

A.T 1

B .T 2

C .T 1和T 2

D .没有


参考答案A

第3题：

A project may be defined as _____

Aan integrated approach to managing projects

Ba coordinated undertaking of interrelated activities.

Ca group of activities directed by a project manger over a life cycle

Dan undertaking with a defined starting point and defined objectives

EAll of the above.


正确答案：D
D

第4题：

You（）to lock the door at night.

Ashould 

Bought

Cmust 

Dshall


B
略

第5题：

Which type of lock must be granted for the WX device to perform write acceleration on CIFS traffic?()

A. oplock

B. block lock

C. bit range lock

D. byte range lock


参考答案：A

第6题：

Which function is used to lock a file in FoxPro DBMS?

A．FLOCK( )

B．RLOCK( )

C．LOCK( )

D．LOCK


正确答案：A

第7题：

When configuring a single SRX210 as a firewall enforcer to a MAG4610 active／passive cluster, which statement supports a fault－tolerant configuration?()

A. The cluster VIP is defined on the MAG4610 cluster, and the VIP of the cluster is defined as an instance on the SRX Series device.

B. The cluster VIP is not defined on the MAG4610 cluster, and the IP address of both the active and passive nodes of the cluster are defined as separate instances on the SRX Series device.

C. The cluster VIP is defined on the MAG4610 cluster, and the IP address of the active node is defined as an instance on the SRX Series device.

D. The cluster VIP is not defined on the MAG4610 cluster, and the IP address of the passive node is defined as an instance on the SRX Series device.


参考答案：A

第8题：

174 A project may be defined as _____

A. an integrated approach to managing projects

B. a coordinated undertaking of interrelated activities.

C. a group of activities directed by a project manger over a life cycle

D. an undertaking with a defined starting point and defined objectives

E. All of the above


正确答案：D

第9题：

The lockmaster has given you permission to tie off on the lower guide wall to wait your turn to lock through．What should you be most concerned with ________．

A.A downbound vessel

B.An upbound vessel

C.Current reaction when the lock chamber is being emptied

D.Current reaction when the lock chamber is being filled


正确答案：C

第10题：

symchronized和java.util.concurrent.locks.Lock的比较，描述正确的是（）

  • A、Lock不能完成symchronized所实现的所有功能。
  • B、symchronized会自动释放锁。
  • C、Lock一定要求程序员手工释放，并且必须在finally中释放。
  • D、Lock比symchronized更精确的线程语义和更好的性能。

正确答案:B,C,D

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