Data Storage Technologies and Networks

Question 1
Which of the following is also known as In-band visualization
Select one:
 a. Asymmetric virtualization
 b. Symmetric virtualization 
 c. None of a) and b) are true
 d. Both a) and b) are true.
Feedback
The correct answer is: Symmetric virtualization


Question 2
 ( i) Block based deduplication is a deduplication technology
(ii) File level single instance is a deduplication technology
Choose the correct option from following
Select one:
 a. None of (i) and (ii) are true
 b. (i) is true but (ii) is false
 c. (i) is false but (ii) is true
 d. Both (i) and (ii) is true 
Feedback
The correct answer is: Both (i) and (ii) is true

Question 3
The interval of time that might pass during a disruption before the quantity of data lost during that period exceeds the Business Continuity Plan's maximum allowable threshold  is called

Select one:
 a. Either of a) or b)
 b. Recovery Point Objective
 c. None of a) or b)
 d. Recovery Time objective 
Feedback
The correct answer is: Recovery Point Objective

Question 4
 A NAS solution is most appropriate for what type of data environment
Select one:
 a. Shared access 
 b. Remote access
 c. Parallel access
 d. Secured Access
Feedback
The correct answer is: Shared access


Question 5
A Cumulative backup,
Select one:
 a. Contains the changes since the last backup, of any type, whichever was most recent
 b. Is a type of incremental backup that contains changes made to a file since the last full backup.
 c. None of the above
 d. Is a backup of all data on the target volumes, regardless of any changes made to the data itself. 
Feedback
The correct answer is: Is a type of incremental backup that contains changes made to a file since the last full backup.


Question 6
Which of the following does not support storage virtualization
Select one:
 a. Server
 b. RAM
 c. Storage device
 d. Network 
Feedback
The correct answer is: RAM


Question 7
 (i) FCIP encapsulates the entire FC frame into IP packets
(ii) iFCP encapsulates the entire FC frame into IP packets
Choose the correct option from following
Select one:
 a. Both (i) and (ii) are false
 b. (i) is flase but (ii) is true 
 c. Both (i) and (ii) is true
 d. (i) is true but (ii) is false
Feedback
The correct answer is: (i) is true but (ii) is false


Question 8
In a thin provisioning extent size is 768 kb. If a file of 2400 kb is written then the space allocated will be
Select one:
 a. 4 MB
 b. 3 MB
 c. 2400 KB 
 d. 2 MB
Feedback
The correct answer is: 3 MB

Question 9
1.      (i) Thin provisioning is a capacity optimization technology
(ii) Deduplication is a capacity optimization technology
 Choose the correct option from following

Select one:
 a. Both (i) and (ii) is true
 b. (i) is true but (ii) is false 
 c. (i) is false but (ii) is true
 d. None of (i) and (ii) are true
Feedback
The correct answer is: Both (i) and (ii) is true


Question 10
In Fiber channel Data transport services which of the following supports connection oriented and circuit switched communication mode?
Select one:
 a. Class 2
 b. Class 1 
 c. Class 3
 d. All of the above
Feedback
The correct answer is: Class 1

Question 11
Which layers in Fiber channel are also refereed as Fibre Channel Physical levels (FC-PH Levels)
Select one:
 a. FC-0, FC-1, FC-3
 b. FC-2, FC-3, FC-4
 c. FC-1, FC-2, FC-3
 d. FC-0, FC-1, FC-2 
Feedback
The correct answer is: FC-0, FC-1, FC-2

Question 12
Which of the following can be refereed as SAN islands as there is limited connectivity and there is a degree of isolation
Select one:
 a. Enterprise SAN FC fabric
 b. All of the above 
 c. FC switched fabric
 d. FCAL
Feedback
The correct answer is: FCAL

Question 13
 (i) File system can be virtualized
(ii) Block device can be virtualized
Choose the correct option from following
Select one:
 a. None of (i) and (ii) are true
 b. (i) is true but (ii) is false
 c. (i) is false but (ii) is true
 d. Both (i) and (ii) is true 
Feedback
The correct answer is: Both (i) and (ii) is true

Question 14
Which of the following supports block storage over IP
Select one:
 a. FCIP
 b. All of the above
 c. iFCP
 d. iSCSI 
Feedback
The correct answer is: All of the above

Question 15
 In ‘Hot backup’

Select one:
 a. Production database server is not in air conditioned environment
 b. Production database is not interrupted 
 c. Backup server is not in air conditioned environment
 d. Production database is interrupted
Feedback
The correct answer is: Production database is not interrupted

Question 16
In Synchronous replication
Select one:
 a. Commit occurs just before the next transaction happen in each of the replicas
 b. Commit never occurs.
 c. Commit occurs after all of the replicas are updated 
 d. Commit occurs after each of the replicas are updated
Feedback
The correct answer is: Commit occurs after all of the replicas are updated

Question 17 Which of the following is not correct about SAN
Select one:
 a. It supports File based I/O
 b. It can support higher bandwidth due to fiber channel
 c. It supports isolation and filtering 
 d. It supports centralized storage and management
Feedback

The correct answer is: It supports File based I/O
Question 18
Which of the following does not affect the storage performance?
Select one:
 a. Thin LUN
 b. Cache 
 c. CPU speed
 d. RAID
Feedback
The correct answer is: CPU speed

Question 19
Which of the following is not a storage array based replication
Select one:
 a. Full-volume mirroring
 b. File-system snap shot 
 c. Pointer-based full-volume replication
 d. Pointer-based virtual replication
Feedback
The correct answer is: File-system snap shot


Question 20
When host deletes data, thin provisioned array may not recognize it and can still show the space as used. The technology that recognizes that data is deleted by host and subsequently release the extents from array to free pool is called
Select one:
 a. Zero space reclamation 
 b. All of the above
 c. Compression
 d. Mapping
Feedback
The correct answer is: Zero space reclamation