IS4670 Chapter 9 Recovering Data

Question 1

1. Data recovery is the process of salvaging data from damaged, failed, corrupted, or inaccessible primary storage media when it cannot be accessed normally.
   A. True
   B. False

Answer 1

TRUE

Question 2

2. A ________ is a nonvolatile storage device that magnetically encodes digital data.

Answer 2

Hard disk or Hard drive or Hard disk drive

Question 3

3. Physical damage always causes at least some data loss, but it does not affect the logical structures of the file system.
   A. True
   B. False

Answer 3

FALSE

Question 4

4. What are the two main techniques used to recover data after logical damage? (Select two.)
A. Putting a hard drive in the freezer 
B. Repairing the damage in a clean room 
C. Consistency checking 
D. Zero-knowledge analysis

Answer 4

Consistency checking

Zero-knowledge analysis

Question 5

5. Which of the following is a data recovery technique that involves scanning the logical structure of the disk and checking to make sure that it is consistent with its specification?
A. Consistency checking 
B. Zero-knowledge analysis 
C. Mirroring 
D. Backup

Answer 5

Zero

Question 6

6. Which of the following is a file system repair technique in which a recovery specialist assumes very little about the state of the file system to be analyzed, uses any hints that any undamaged file system structures might provide, and rebuilds the file system from scratch?
A. Consistency checking 
B. Zero-knowledge analysis 
C. Mirroring 
D. Backup

Answer 6

Zero-knowledge analysis

Question 7

7. Common obstacles that prevent organizations from regularly backing up all their data include the backup window, network bandwidth, system throughput, and lack of resources.
   A. True
   B. False

Answer 7

TRUE

Question 8

8. Which of the following is not one of the key elements of data backup?
A. Backup server 
B. Network 
C. Backup window 
D. Mirroring
E. Backup storage devices

Answer 8

Mirroring

Question 9

9. Which of the following is a backup that creates copies or snapshots of a file system at a particular point in time.
A. Image backup 
B. Incremental backup 
C. Mirroring 
D. Block-level incremental backups

Answer 9

Image backup

Question 10

10. Which of the following is a backup that transfers only the data that has changed since the last backup.
A. Image backup 
B. Incremental backup 
C. Mirroring 
D. Block-level incremental backup

Answer 10

Incremental backup

Question 11

11. ________ is physical replication of all data, with two copies of the data kept online at all times.

Answer 11

Mirroring

Question 12

12. The main problem with mirroring is that it doesn’t protect against user error and replication of bad data.
    A. True
    B. False

Answer 12

TRUE