Oracle认证考试
One of the user sessions was terminated abnormally in the middle of a transaction. What does Oracle database do to recover it？（）A、uses undo data for roll forwardB、uses Flashback Log for recoveryC、uses online redo logs to roll backD、uses undo data to roll
题目
One of the user sessions was terminated abnormally in the middle of a transaction. What does Oracle database do to recover it？（）
- A、uses undo data for roll forward
- B、uses Flashback Log for recovery
- C、uses online redo logs to roll back
- D、uses undo data to roll back the transaction
- E、uses Recovery Manager （RMAN） to roll back
- F、uses the System Monitor （SMON） background process to perform instance recovery
相似问题和答案
第1题：
11 To determine whether or not the employee correctly understands the message, the project manager needs to:
A. reduce the filtering
B. eliminate barriers
C. obtain feedback
D. use more than one medium
E. use all of the above.
第2题：
One of the features of language use that is of interest to pragmatists is its appropriacy in relation to those who use it and those they address to.()
第3题：
To determine whether or not the employee correctly understands the message, the project manager needs to:
A reduce the filtering
B eliminate barriers
C obtain feedback
D use more than one medium
E use all of the above.
第4题：
Which three configuration tasks are required to successfully deploy NBAR to recognize TCP and UDP stateful protocols？ （）
- A、over leased lines， use the multilink ppp command to reduce latency and jitter， and to create Distributed Link Fragmentation and interleaving
- B、use the service-policy command to attach a traffic flow to an interface on the router
- C、use the ip rsvp bandwidth command to set a strict upper limit on the bandwidth NBAR uses， and to guarantee admission of any flows
- D、use the policy-map command to define one or more QoS policies （such as shaping， policing， and so on） to apply to traffic defined by a class map
- E、use the random-detect dscp command to modify the default minimum and maximum thresholds for the DSCP value
- F、use the class-map command to define one or more traffic classes by specifying the criteria by which traffic is classified
正确答案:B,D,F
第5题：
How should you signal the crane operator to move slowly ________．
A.Use one hand to give any motion signal，and place the other hand motionless in front of the hand giving the motion signa
B.Extend arm with the thumb pointing up，and flex the fingers in and out for as long as the load movement is desired
C.First tap your elbow with one hand and then proceed to use regular signals
D.First tap the top of your head with your fist and then proceed to use regular signals
第6题：
此题为判断题(对，错)。
第7题：
A.The subnet mask in use is 255.255.255.192.
B.The subnet mask in use is 255.255.255.128.
C.The IP address 172.16.1.25 can be assigned to hosts in VLAN1
D.The IP address 172.16.1.205 can be assigned to hosts in VLAN1
E.The LAN interface of the router is configured with one IP address.
F.The LAN interface of the router is configured with multiple IP addresses.
第8题：
129 To determine whether or not the employee correctly understands the message, the project manager needs to:
A. reduce the filtering
B. eliminate barriers
C. obtain feedback
D. use more than one medium
E. use all of the above
第9题：
B．Generalization
C．Paraphrase.
D．Avoidance.
第10题：
You want the size of the tablespace to increase when it is full. Which option would you use？（）
- A、use automatic extent allocation
- B、disable threshold for the tablespace
- C、use freelists to manage the free space
- D、use automatic segment space management
- E、create the tablespace as a bigfile tablespace
- F、use the RESIZE clause while creating the tablespace
- G、enable AUTOEXTEND for at least one of the data files in the tablespace
正确答案:G