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NS0-155 Questions and Answers

Question # 6

The snapvault update command is only available on the secondary system.

A.

True

B.

False

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Question # 7

Node 1 in a clustered pair detects that it has lost connectivity to one of its disk shelves. Node 1 is still up, but it cannot see one of its disk shelves. However, the partner node, Node 2, can see all of the Node 1’s disk shelves. Which feature will cause Node 2 to monitor this error condition for a period of three minutes by default, and then forcibly take over Node 1 if the error condition persists?

A.

Auto enable of giveback

B.

Negotiated Fail Over

C.

Takeover on panic

D.

Cf.quickloop.enable

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Question # 8

To collect per client NFS statistics on a storage system, the option nfs.per_client_stats.enable must be set on.

A.

True

B.

False

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Question # 9

For OSSV sources, the qtree is the basic unit of SnapVault backups.

A.

True

B.

False

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Question # 10

Which three are pre-requisites for using SnapRestore? (Choose three.)

A.

The volume to be reverted must be offline.

B.

The volume to be reverted must not be a SnapMirror destination.

C.

You must enter the SnapRestore license code before you can use it.

D.

Snapshot copies must exist on the storage system so that you can select a snapshot for the reversion.

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Question # 11

Which command creates a new SyncMirror aggregate, letting Data ONTAP select the disk drives?

A.

aggr create aggrX -d 12

B.

aggr create aggrX -m 12

C.

aggr mirror aggrX -m 12

D.

aggr mirror aggrX -n 12

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Question # 12

Snapshot copies for SnapLock volumes are deleted automatically according to the retention count set in the Snapshot schedule.

A.

True

B.

False

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Question # 13

To restore a qtree protected with SnapVault from the secondary storage system to the primary storage system, you can ______________. (Choose two.)

A.

restore to a non existing qtree with DOT 7. 2

B.

add the new qtree to the primary storage system with DOT 7.2

C.

overwrite the existing qtree on the primary storage system with DOT 7.3

D.

delete the existing qtree from the secondary storage system with DOT 7.3

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Question # 14

Identify the two commands that could be entered on the SnapMirror destination storage system. (Choose two)

A.

Options snapmirror.access on

B.

Options snapmirror.resync on

C.

Snapmirror initialize

D.

Snap mirror resync

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Question # 15

Identify the two commands that could be entered on a system with a SnapMirror source. (Choose two)

A.

snapmirror update

B.

snapmirror status

C.

snapmirror initialize

D.

options snapmirror.access all

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Question # 16

What is the maximum distance between a standard clustered pair at 2Bbps?

A.

100 meters

B.

10 meters

C.

50 meters

D.

500 meters

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Question # 17

Which set of protocols provide block-level access to NetApp storage?

A.

SNA and RPC

B.

iSCSI and FCP

C.

HTTP and FTP

D.

CIFS and NFS

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Question # 18

What are two methods of protecting LUN overwrites using Snapshot copies on a volume with fractional reserve set to 0%? (Choose two)

A.

Snap Autodelete

B.

iGroup throttle

C.

LUN reset

D.

Volume AutoSize

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Question # 19

To automatically export volumes and directories on storage system reboot, include them in the /etc/exports file.

A.

True

B.

False

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Question # 20

An iSCSI ______________ is established when the host initiator logs into the iSCSI target. Within a ______________ you can have one or more ____________.

A.

session, session, connections

B.

connection, session, connections

C.

connection, connection, sessions

D.

session, connection, sessions

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Question # 21

A snapshot is a frozen, read-only image of the entire Data ONTAP active file system that reflects the state of the ____________ at the time the snapshot was created.

A.

qtrees

B.

volume

C.

directory

D.

storage system

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Question # 22

Which three are valid LUN commands? (Choose three)

A.

lun clone

B.

lun copy

C.

lun move

D.

lun rename

E.

lun snap

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Question # 23

Data ONTAP uses inodes in an active file system to reference ___________.

A.

qtrees

B.

disk blocks

C.

file segments

D.

Snapshot copies

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Question # 24

Physical Reallocation of a SnapMirror source volume increases the amount of data to transfer for the next SnapMirror update.

A.

True

B.

False

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Question # 25

Which Data ONTAP option sets system-wide throttling for all transfers?

A.

options transfer.wide.enable

B.

options transfer.throttle.enable

C.

options replication.wide.enable

D.

options replication.throttle.enable

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Question # 26

The SnapVault secondary system allows you to keep a separate schedule of Snapshot copies from your primary system.

A.

True

B.

False

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Question # 27

You have connected all cables and disk shelves in a fabric-attached MetroCluster. Which command would verify that disks are connected and have dual paths?

A.

disk show

B.

sysconfig -p

C.

vol status -r

D.

storage show disk -p

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Question # 28

One method of configuring an interface for takeover is to enter ifconfig interface partner address at the command line. To make this configuration persistent across reboots, you must enter this information in the _____ file for each system.

A.

/etc/rc

B.

/etc/hosts

C.

/vol/vol0/home

D.

/vol/vol0/mount

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