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Veritas VCS-261 Administration of Veritas InfoScale Storage 7.3 for UNIX/Linux Online Training

Question #1

Which two methods can an administrator use to control the Veritas SmartIO caching of a file system? (Choose two.)

  • A . the smartiomode mount option
  • B . the mincache mount option
  • C . the sfcache command
  • D . the vxcache command
  • E . the fsadm command

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Correct Answer: A,C
Question #2

An administrator uses the command below to create a file system on a volume appvol.

# /opt/VRTS/bin/mkfs Ct vxfs /dev/vx/rdsk/appdg/appvol 2TB

What is the block size of the file system?

  • A . 1024
  • B . 2048
  • C . 4096
  • D . 8192

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Correct Answer: A
Question #3

An administrator executes the following command to initiate a deduplication dry run on the file system /mnt1 and perform the actual deduplication if the threshold crosses 60 percent:

# fsdedupadm dryrun Co threshold=60 /mnt1

Which threshold should be met of the fsdedupadm command to perform an actual deduplication run?

  • A . the percentage of file system disk usage
  • B . the percentage of expected savings
  • C . the percentage of scan completed
  • D . the percentage of the dry rum completed

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Correct Answer: B
Question #4

Which two physical system resources are assigned to a specific site during the configuration of the site awareness feature? (Choose two.)

  • A . Disks
  • B . HBA
  • C . NIC
  • D . Memory
  • E . System

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Correct Answer: A,B
Question #5

What is a benefit of Veritas Extension for Oracle Disk Manager (ODM) for Oracle databases that reside on Veritas file systems?

  • A . reduced system call overhead
  • B . support for large file sizes
  • C . improved synchronous writes
  • D . enhanced data integrity

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Correct Answer: A
Question #6

Which command consolidates and displays records of Veritas Volume Manager and Veritas File System?

  • A . vxprint
  • B . vxstat
  • C . vxdiskadm
  • D . vxlist

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Correct Answer: D
Question #7

What is the key benefit of file replication?

  • A . synchronous replication
  • B . asynchronous replication
  • C . periodic replication
  • D . continuous replication

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Correct Answer: D
Question #8

What is the default Dynamic Multi- Pathing path restoration policy?

  • A . check_all
  • B . check_alternate
  • C . check_periodic
  • D . check_disabled

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Correct Answer: D
Question #9

What happens when the administrator changes the password on a managed host after it is added to a Veritas InfoScale Operations Manager domain?

  • A . the managed host needs to be removed and added back to the Veritas InfoScale Operations Manager domain
  • B . the operation of Veritas InfoScale Operations Manager remains unaffected, the password is only needed when the host is added initially
  • C . the new credentials need to be reflected to the Veritas InfoScale Operations Manager using the “Security” tab of the “Settings” perspective
  • D . the managed host needs to be removed and added back to the Veritas InfoScale Operations Manager domain and a “refresh” operation must be issued

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Correct Answer: B
Question #10

Which two commands can an administrator use to determine the approximate amount of free space in a disk group? (Choose two.)

  • A . vxassist
  • B . vxdefault
  • C . vxdisk
  • D . vxdg
  • E . vxdiskadm

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Correct Answer: A,D

Question #11

Which command should an administrator use to guarantee data is cached when SmartIO is configured?

  • A . vxcache set autocache
  • B . sfcache preload
  • C . vxassist cache pin
  • D . sfcache pin

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Correct Answer: D
Question #12

Which two caching modes are supported by SmartIO when a Veritas file system is mounted on a Veritas volume in a non-virtual environment? (Choose two.)

  • A . write caching
  • B . write-back caching
  • C . read caching
  • D . read-back caching
  • E . block-level read caching

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Correct Answer: B,C
Question #13

Which daemon performs thin reclamation asynchronously?

  • A . vxattachd
  • B . vxrelocd
  • C . vxconfigd
  • D . xprtld

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Correct Answer: B
Question #14

The following command adds two snapshot mirrors to the volume voll on disks mydg10 and mydg11.

# vxsnap Cg mydg addmir voll nmirror=2 alloc=mydg10,mydg11

Which plex state indicates the snapshot is fully synchronized?

  • A . SNAPREADY
  • B . SNAPTMP
  • C . SNAPDONE
  • D . SNAPATT

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Correct Answer: C
Question #15

Which daemon provides the interface between Veritas Volume Manager commands and the kernel device drivers?

  • A . vxiod
  • B . vxconfigd
  • C . vxrelocd
  • D . vxvold

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Correct Answer: B
Question #16

A system with a single, locally mounted file system loses power and is subsequently restarted. All hardware is functioning properly and the intent log is valid. The administrator then mounts the file system using the mount command.

What is the expected behavior?

  • A . mount will automatically perform an intent log replay
  • B . mount will print an error stating that an fsck log replay is required
  • C . mount will succeed without intent log replay
  • D . mount will mount the file system read-only until a full fsck is completed

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Correct Answer: C
Question #17

Which process must be running for a Veritas InfoScale Operations Manager (VIOM) managed host to be added to one or more VIOM Management Servers?

  • A . vxdclid
  • B . vxconfigd
  • C . xprtld
  • D . sfmsecd

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Correct Answer: C
Question #18

Which InfoScale Storage object can be cached when SmartIO is enabled on a server?

  • A . cache object
  • B . subdisks
  • C . VM disk
  • D . volumes

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Correct Answer: D
Question #19

Which SmartIO caching mode primarily supports the applications that run directly over raw volumes?

  • A . block-level read caching
  • B . write-back caching
  • C . read-write caching
  • D . block-level write caching

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Correct Answer: A
Question #20

Which utility should an administrator use to manage the volume configuration daemon vxconfigd?

  • A . vxdctl
  • B . vxiod
  • C . vxinstall
  • D . vxdiskadm

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Correct Answer: A

Question #21

Which Veritas InfoScale Operations Manager Add-on provides detailed information about the storage enclosures in the data center?

  • A . the Fabric Insight Add-on
  • B . the Storage Insight Add-on
  • C . the Storage Provisioning and Enclosure Migration Add-on
  • D . the Control Host Add-on

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Correct Answer: B
Question #22

Which command is used to grow a Veritas file system?

  • A . fsmigadm
  • B . fsadm
  • C . fsappadm
  • D . vxfsconvert

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Correct Answer: B
Question #23

How are primary and secondary roles determined in a Cluster File System cluster?

  • A . All cluster file systems are initially mounted on the same node which is designated as the primary; all other nodes are secondaries.
  • B . The first node where a cluster file system is mounted is designated as the primary for that file system; all other nodes are secondaries.
  • C . The Cluster Volume Manager master node is designated as the primary; all other nodes are secondaries.
  • D . The node with the lowest LLT ID is designated as the primary; all other nodes are secondaries.

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Correct Answer: B
Question #24

Portions of the same disk group were imported onto several systems at the same time resulting in conflicting configuration copies.

Which command should be used to resolve the conflict?

  • A . vxreattach
  • B . vxsplitlines
  • C . vxrecover
  • D . vxconfigrestore

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Correct Answer: B
Question #25

Refer to the exhibit.

The appvol volume contains a file system and is mounted to /app. The volume has experienced multiple disk failures.

What is the state of the data on the mounted file system?

  • A . unavailable
  • B . read-only
  • C . partially available
  • D . fully accessible

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Correct Answer: D
Question #26

A volume that contains strictly two data plexes and has four subdisks in each plex can have which two types of layouts? (Choose two.)

  • A . concat-mirror
  • B . stripe-mirror
  • C . stripe with parity
  • D . mirror-concat
  • E . mirror-stripe

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Correct Answer: D,E
Question #27

Which log type can be enabled to track the changed regions of a volume due to I/O writes to a mirrored volume?

  • A . Data Change Object (DCO)
  • B . Storage Replicator Log (SRL)
  • C . Dirty Region Log (DRL)
  • D . Data Change Map (DCM)

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Correct Answer: C
Question #28

What is the default read policy for a mirrored volume without site consistency enabled?

  • A . prefer
  • B . round
  • C . select
  • D . split

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Correct Answer: C
Question #29

Which two requirements must an administrator consider prior to implementing SmartIO? (Choose two.)

  • A . The device must have CDS disk format.
  • B . Veritas file system (VxFS) disk layout must be version 9.
  • C . Three nodes are required for VxFS writeback caching.
  • D . Veritas Volume Manager (VxVM) disk group must be version 180.
  • E . Cache must be local to each node.

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Correct Answer: C,E
Question #30

Which object is stored in the private region of a Veritas Volume Manager disk?

  • A . File Change Log
  • B . FastResync maps
  • C . Configuration database
  • D . Storage Replicator Log

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Correct Answer: C

Question #31

Which two commands are used for thin reclamation? (Choose two.)

  • A . fsadm
  • B . vxdctl
  • C . vxdisk
  • D . vxtune
  • E . vxdmpadm

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Correct Answer: A,C
Question #32

Refer to the exhibit.

What is the layout of the volume described in the vxprint output provided in the exhibit?

  • A . mirrored volume with each mirror made up of concatenated subdisks (mirror-concat)
  • B . mirrored volume with each mirror made up of striped subdisks (mirror-stripe)
  • C . layered volume striped across mirrored subvolumes (stripe-mirror)
  • D . layered volume formed by concatenation of mirrored subvolumes (concat-mirror)

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Correct Answer: B
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