单选题A virus scanner is running on a computer and scans all files currently in use. Why should a full scan be performed periodically?()A Files not accessed recently may contain a virus.B A full scan optimizes all files on the hard drive.C A full scan resets

题目
单选题
A virus scanner is running on a computer and scans all files currently in use. Why should a full scan be performed periodically?()
A

Files not accessed recently may contain a virus.

B

A full scan optimizes all files on the hard drive.

C

A full scan resets the archive bit on the file.

D

Active antivirus software only scans the C:/WINDOWS directory.

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相似问题和答案

第1题:

Users frequently overrun the amount of space intended for them, resulting in full home filesystems. The customer is currently using AIX 5.3 with a mix of JFS and JFS2 filesystems.  Which of the following will contain the growth of the home filesystem space?()

  • A、Implement disk quota for all home filesystems
  • B、Implement disk quota for the JFS2 home filesystems
  • C、Recreate the home directories as individual filesystems
  • D、Run the find command every night and delete all old files

正确答案:A

第2题:

Which  statements are true about checkpointing()

  • A、The checkpoint frequency decreases with the smaller redo log file size.
  • B、It ensures that all committed data is written to the data files during normal shutdown.
  • C、The frequent full checkpoint in a database can cause the overall degradation of the database performance.
  • D、It prompts the Checkpoint (CKPT) process to write data to the data files and redo information to the onlineredo log files

正确答案:B,C

第3题:

Which type of the backup process backs up files that have been modified since the last time all data was backed up?(72 )

A.Incremental backup

B.Full backup

C.Partial backup

D.Differential backup


正确答案:A

第4题:

A HDD is almost full and constantly reads and writes data. Which of the following tools may repair files on the HDD?()

  • A、MSCONFIG
  • B、EFS
  • C、CHKDSK
  • D、DEFRAG

正确答案:C

第5题:

A virus scanner is running on a computer and scans all files currently in use. Why should a full scan be performed periodically?()

  • A、Files not accessed recently may contain a virus.
  • B、A full scan optimizes all files on the hard drive.
  • C、A full scan resets the archive bit on the file.
  • D、Active antivirus software only scans the C:/WINDOWS directory.

正确答案:A

第6题:

A technician has just finished installing a new NIC into a customer’s desktop. Which of thefollowing should the technician do NEXT?()

  • A、Perform a full system backup.
  • B、Follow up with the customer, verifying satisfaction.
  • C、Ask their manager to contact the customer.
  • D、Perform a complimentary virus scan.

正确答案:B

第7题:

Which of the following best describes a full backup? ()

  • A、All datafiles of a database 
  • B、All datafiles, archive logs, and control files 
  • C、All datafiles and control files 
  • D、All the used blocks in a datafile

正确答案:D

第8题:

A technician has just finished installing a new NIC into a customer’s desktop. Which of thefollowing should the technician do NEXT?()

A. Perform a full system backup.

B. Follow up with the customer, verifying satisfaction.

C. Ask their manager to contact the customer.

D. Perform a complimentary virus scan.


参考答案:B

第9题:

A technician finished installing antivirus software. Which of the following should the technician perform NEXT?()

  • A、Run a full scan on the local disk.
  • B、Remove infected files.
  • C、Update antivirus signatures.
  • D、Quarantine infected files

正确答案:C

第10题:

The CHKDSK /R command allows a technician to:()

  • A、perform an exhaustive disk check, locate bad sectors, and recover readable information.
  • B、set a disk as read-only, perform an exhaustive disk check and repair bad sectors.
  • C、scan and verify the versions of all protected system files using the tools default operation.
  • D、consolidate fragmented files and folders on the computers hard disk.

正确答案:A

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