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Data Warehouse Storage Online Quiz

Description: Data Warehouse Storage Online Quiz
Number of Questions: 31
Created by:
Tags: storage
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What is NDMP?
technology storage

  1. Network Data Method Protection

  2. Network Data Management Protocol

  3. Network Disaster Mitigation Procedure

  4. Network Data Management Privacy

Show answer
Correct Option: B

Full form of SAN?
technology storage

  1. Storage Attached Network

  2. Stoarge Area Network

  3. Storage Addes Network

  4. Storage Adapter Network

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Correct Option: B

How many disks are present in a single enclosure of a CLARiiON array?

technology storage

  1. 16

  2. 8

  3. 32

  4. 15

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Correct Option: D

How many storage processors are present in the CLARiiON?
technology storage

  1. 1

  2. 2

  3. 4

  4. 0

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Correct Option: B

We can connect a CLARiiON through iSCSI or FC network. (True/False)
technology storage

  1. True

  2. False

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Correct Option: A

Maximum number of disks that can be supported by a CLARiiON CX4-960
technology storage

  1. 480

  2. 960

  3. 120

  4. 15

Show answer
Correct Option: B

What is the smallest unit of information transfer in FC?

technology storage

  1. Block

  2. Frame

  3. Cylinder

  4. File

Show answer
Correct Option: B
Explanation:

To solve this question, the user needs to have an understanding of the basic components and terminology used in Fibre Channel (FC) networks.

In Fibre Channel, data is transferred in units called "frames." A frame is the smallest unit of information transfer in FC. It contains the data being transmitted as well as control information such as headers and CRC (Cyclic Redundancy Check) for error detection.

With this knowledge, let's evaluate each option:

A. Block: A block is a unit of data storage and is not the smallest unit of information transfer in FC. It refers to a set of data, typically a fixed size, that is read from or written to storage devices.

B. Frame: This option is correct. In Fibre Channel, a frame is the smallest unit of information transfer. It contains the data being transmitted along with control information.

C. Cylinder: A cylinder is a term used in disk storage and refers to a group of tracks that are located at the same radial distance from the center of the disk. It is not the smallest unit of information transfer in FC.

D. File: A file is a collection of data stored on a file system and is not the smallest unit of information transfer in FC.

Therefore, the correct answer is:

B. Frame

Which is the Tape storage
technology storage

  1. Digital Linear Tape

  2. Advanced intelligent tape

  3. Linear Tape open

  4. All the above

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Correct Option: D

What is the Default ID for SCSI HBA ?
technology storage

  1. 3

  2. 5

  3. 7

  4. 1

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Correct Option: C

Name the features of SCSI 3 standard
technology storage

  1. Quick arbitrartion and selection

  2. Doamin Validation

  3. Cyclic Redundancy and Check

  4. All the above

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Correct Option: D

How many classes of service are available in Fibre Channel?
technology storage

  1. 5 Classes

  2. 9 Classes

  3. 7 classes

  4. 3 Classes

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Correct Option: D

What is true about spoofing ? a ) One of the class of attacks against SAN b) Allow access to or destruction of data c) Reduces availability d) Allow access to data

technology storage

  1. a and b

  2. a and c

  3. c and d

  4. All the above

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Correct Option: A

What is Hybrid Zones ?

technology storage

  1. port – port traffic

  2. Access is controlled using WWN

  3. Contains ports and WWNs

  4. A collection of Zones

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Correct Option: C

How many minimum drives are required to create R5 ( RAID 5) ?

technology storage

  1. 3

  2. 5

  3. 2

  4. 4

Show answer
Correct Option: A

AI Explanation

To answer this question, you need to understand the concept of RAID 5.

RAID 5 is a redundant array of independent disks that uses block-level striping with distributed parity. It requires a minimum of 3 drives to be created.

Let's go through each option to understand why it is correct or incorrect:

Option A) 3 - This option is correct because RAID 5 requires a minimum of 3 drives. It uses block-level striping with distributed parity, where the data and parity information are distributed across the drives.

Option B) 5 - This option is incorrect because RAID 5 does not require 5 drives. It only requires a minimum of 3 drives.

Option C) 2 - This option is incorrect because RAID 5 cannot be created with only 2 drives. It requires a minimum of 3 drives.

Option D) 4 - This option is incorrect because RAID 5 does not require 4 drives. It only requires a minimum of 3 drives.

The correct answer is Option A) 3. This option is correct because RAID 5 requires a minimum of 3 drives to be created.

What protocols used in physical/datalink and network layer of SAN?

technology storage

  1. Ethernet

  2. SCSI

  3. FC

  4. All the above

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Correct Option: D

What is true about Drive duplexing ?

technology storage

  1. Two controllers used to write data and faster than disk mirroring

  2. Spread data between multiple drives

  3. The process of reading and writing data on two drives simultaneously

  4. Disk striping with parity

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Correct Option: A

What is the function of layer FC-2 ?

technology storage

  1. Physical layer

  2. encode/decode

  3. routing, flow control

  4. mapping interface

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Correct Option: C

What is true about Drive duplexing

technology storage

  1. Two controllers used to write data and faster than disk mirroring

  2. Spread data between multiple drives

  3. The process of reading and writing data on two drives simultaneously

  4. Disk striping with parity

Show answer
Correct Option: A

8gb FC SLIC support (Glacier)

technology storage

  1. To increase performance of CS

  2. To increase the performance of the DMs on the NS-960 and NS-G8

  3. Will provide a savings in DM slots used allowing for more flexibility

  4. None of the above

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Correct Option: B

Celerra can support _____ TB file system.

technology storage

  1. 4TB

  2. 8TB

  3. 16TB

  4. 32TB

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Correct Option: C

Support tree quota limit up to a minimum of ____ Terabyte, ___ TB preferable for both block size and file size policy.

technology storage

  1. 2, 4

  2. 4, 8

  3. 8,16

  4. 16, 32

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Correct Option: D

Rebooting a Data Mover involves un-mounting and mounting filesystems that often consumes the majority of reboot time (more than three minutes), depending on the complexity of the configuration. A Data Mover reboot procedure that optimizes these two steps will reduce the overall reboot time including disruptions during upgrades (reboot) and recovery from fatal hardware and software events (failover or reboot for single DM).

technology storage

  1. Fast Mount

  2. Slow Mount

  3. Mount

  4. All the Above

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Correct Option: D

Replicator V1 shall support replication between DART ____ and ______.

technology storage

  1. source 5.5, target 5.6

  2. source 5.6, taarget 6.0

  3. source 5.6.x.x , target 5.6.x.x

  4. souce 5.6, target 5.5

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Correct Option: A

If a user locks a file without specifying a retention period.

technology storage

  1. There is no lock system with retention period.

  2. Cannot be deleted, nor the retention period changes

  3. Can be deleted and the retention period can be changes

  4. None of the above

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Correct Option: A

CMR10 supports Support for creating clones of files.

technology storage

  1. Support creating both thin (files that share original blocks) and thick (files that are full copies of the source file) clones

  2. Support a minimum of 2000 clones

  3. Clones must be writeable

  4. All the above

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Correct Option: D

Unused SavVol space

technology storage

  1. can be reclaimed.

  2. cannot be reclaimed.

  3. Abort the sessions and resync.

  4. All the above

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Correct Option: A,C

16GB memory per storage processor is allowed in

technology storage

  1. CX4-120

  2. CX3-80

  3. CX4-960

  4. none

Show answer
Correct Option: C
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