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There is a problem with one of the disks used for your datab

题目
单选题
There is a problem with one of the disks used for your database and your system administrator informs you that the disk needs to be replaced. The replacement disk will not be available until tomorrow.  There was only one data file on this disk； it belongs to the USERS tablespace in your PROD database. Your PROD database runs in ARCHIVELOG mode and nightly online backups are taken. The users need to be able to access the data in the USERS tablespace before the replacement disk arrives. You have already taken the USERS tablespace offline and have restored the data file from last night’s backup to a new disk. Which additional steps are required in order to make the USERS tablespace available？（）
A

Only bring the tablespace back online.

B

Only recover the tablespace and then bring the tablespace back online.

C

Shut down the database， recover the data file and then start up the database.

D

Issue the ALTER DATABASE RENAME FILE command， recover the tablespace， and then bring the tablespace online.

E

Recover the tablespace， issue the ALTER DATABASE RENAME FILE command， and then bring the tablespace online.

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相似问题和答案

第1题：

The HTML is the language used to create(73)for use on the WWW.

A．data

B．hypertext pages

C．pages

D．Active Server Pages


正确答案：B
解析：HTML是HyperTextMarkupLanguage(超文本标记语言)的缩写。WWW中存在的大部分文件都是HTML文档，称之为超文本页面。

第2题：

● Since RAM is only active when the computer is on, your computer uses disto store information even when the computer is off. Which of the following itrue? （74）

（74）

A．When your computer is on, only RAM is used to store information

B．When your computer is on, only disk drives are used to storinformation.

C．When your computer is off, only RAM is used to store information

D．When your computer is off, only disk drives are used to storinformation.


正确答案：D

第3题：

Since RAM is only active when the computer is on, your computer uses disk to store information even when the computer is off. Which of the following is true?(74).

A．When your computer is on, only RAM is used to store information.

B．When your computer is on, only disk drives are used to store information.

C．When your computer is off, only RAM is used to store information.

D．When your computer is off, only disk drives are used to store information.


正确答案：D
解析：本题含义可表述为，由于RAN只有当计算机运行时是工作的，所以当计算机关闭时使用磁盘来存储信息。所以应该选择D(当计算机关闭后，只有磁盘被用于存储信息)。

第4题：

Your database is up and running and one of your three control files is accidentally erased. You start RMAN and run the following command：   RESTORE CONTROLFILE FROM AUTOBACKUP；   Which of the following statements is true？（） 

  • A、 The command restores only the missing control file.
  • B、 The command restores all the control files.
  • C、 The command fails because the database is running.
  • D、 This is the correct way to address this problem.
  • E、 This is not the correct way to address this problem.

正确答案:C,E

第5题：

The system administrator notices that there is an I/O bottleneck on one of three disks in datavg volume group. This problem disk contains the JFS log， loglv00 and one filesystem， /mydatabase.  There are no other logical volumes on this disk.  Which of the following options would be the best solution？（）

  • A、 Increase the size of the JFS log logical volume so more transacations can be written to this log.
  • B、 Create a second， additional JFS log and have the /mydatabase logical volume point to both JFS logs.
  • C、 Migrate the JFS log device to another physical disk in the same volume group.
  • D、 Only one JFS log device for each volume group can be used.  Use the migratepv command to move the JFS log device to an empty disk in another volume group.

正确答案:C

第6题：

While troubleshooting a serial line problem, you enable ppp authentication debugging as shown below:Based on the command output above, what type of ‘handshake‘ was used for PPP authentication?()

A. one-way

B. two-way

C. three-way

D. four-way

E. no handshakes required during authentication

F. None of the above


参考答案：C

第7题：

One potential danger is（）the information could be used by others to your disadvantage.

Athat

Bwhat

Cit

Dwhich


A
略

第8题：

In order to prove that you would be a valuable problem solver for the employer, you need to write on your résumé about the details on how you solved a problem and what wanted consequences your solution brought about.()


参考答案：错
解析：Only the key information, not in details.

第9题：

Since HTTP is one of the most common protocols used in the internet， what should be done at a firewall level to ensure thatthe protocol is being used correctly？ （）

  • A、 Ensure that a stateful firewall allows only HTTP traffic destined for valid web server IP addresses.
  • B、 Ensure that a firewall has SYN flood and DDoS protection applied specifically for valid web servers.
  • C、 Ensure that your firewall enforces HTTP protocol compliance to ensure that only valid flows are allowed inand outof your network.
  • D、 Ensure that HTTP is always authenticated.
  • E、 Ensure that your web server is in a different zone than your backend servers such as SQL and DNS.

正确答案:C

第10题：

In an 8-socket x3950 server， with disks on both nodes， how many ServeRAID 8 adapters are needed to implement RAID？ All disks must be used.（）

  • A、One per node
  • B、Only one
  • C、Two in the primary node
  • D、None

正确答案:B

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