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NS0-155 Sample Questions Answers

Questions 4

In an active/active configuration in takeover mode, the surviving controller interfaces will reflect the identity of the ________.

Options:

A.

local interfaces only

B.

failed partner interfaces only

C.

local and failed partner interfaces

D.

interfaces as defined in the /etc/rc file

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Questions 5

In Data ONTAP, both the Microsoft Windows Administrator and root are exempt from user and group quotas, but not from tree quotas.

Options:

A.

True

B.

False

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Questions 6

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?

Options:

A.

disk show

B.

sysconfig -p

C.

vol status -r

D.

storage show disk -p

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Questions 7

Which two commands would help you troubleshoot a LUN that cannot be accessed by a host? (Choose two.)

Options:

A.

fcp show wwpn

B.

fcp wwpn

C.

igroup show

D.

lun show -err

E.

lun show -v

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Questions 8

A mirrored volume has a failed disk, but there are no available spares in the pool from which the degraded plex was built. Data ONTAP will __________.

Options:

A.

halt all operations to volumes in that pool

B.

choose spare disks to reconstruct from the opposite pool

C.

warn you that there are no available spares from the proper pool

D.

"halt" after 24 hours if spare disks are not added to the proper pool

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Questions 9

Which NetApp Virtual Storage Tier component works at the host level?

Options:

A.

Flash Pool

B.

Flash Disk

C.

Flash Accel

D.

Flash Cache

E.

Flash IO

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Questions 10

Which two commands can be used to enable LUN reservations? (Choose two)

Options:

A.

lun set reservation

B.

lun reservation set

C.

lun map

D.

lun create

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Questions 11

In a Fibre Channel configuration, the host's HBA is referred to as the ___________, and the storage system's HBA is referred to as the __________ .

Options:

A.

initiator, target

B.

primary, secondary

C.

secondary, primary

D.

target, initiator

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Questions 12

Which two are Data ONTAP commands for creating LUNs on a storage system? (Choose two.)

Options:

A.

lun create

B.

lun config

C.

lun make

D.

lun setup

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Questions 13

Which changes the NDMP password on the Open System SnapVault agent?

Options:

A.

password

B.

password

C.

svpasswd

D.

svpassword

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Questions 14

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

Options:

A.

qtrees

B.

disk blocks

C.

file segments

D.

Snapshot copies

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Questions 15

UNIX allows file access based on___________.

Options:

A.

NT ACLs and UNIX permissions.

B.

NT ACLs and SID.

C.

GID or UID and UNIX permissions.

D.

GID or UID and ACLs.

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Questions 16

Which two modes support using SnapMirror over multiple network paths?

Options:

A.

Standalone

B.

Partner

C.

Multi

D.

Failover

E.

Give back

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Questions 17

Which action will cause a currently in-sync SnapMirror relationship to fall out of sync?

Options:

A.

Running snapmirror update on the source storage system

B.

Running snapmirror release on the source storage system

C.

Modifying the /etc/snapmirror.conf file for the relationship on the source storage system

D.

Modifying the /etc/snapmirror.conf file for the relationship on the destination storage system

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Questions 18

A NearStore license increases the amount of concurrent replication streams.

Options:

A.

True

B.

False

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Questions 19

When troubleshooting a double disk failure with SyncMirror, you decide to remove and destroy a plex from a mirrored aggregate. What steps remove a plex from a mirrored aggregate?

Options:

A.

Take the aggregate offline and use the aggr destroy command

B.

Take the aggregate offline and use the destroy -f command

C.

Ensure the plex is online and use the aggr destroy plexname command.

D.

Ensure the plex is offline and use the aggr destroy plexname command.

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Questions 20

In a tape environment after a SnapRestore reversion of a volume, incremental backup and restore operations on the file or volume cannot rely on the timestamps to determine what data needs to be backed up or restored. Which course of action ensures correct incremental backups?

Options:

A.

Perform a base-level backup of the volume after you restore it.

B.

Reboot the storage system to reset timestamps back to their original times before the reversion.

C.

Take a new snapshot of the volume to create new base-level timestamps for the incremental backup.

D.

Take a new snapshot of the volume to create new base-level timestamps for the incremental backup, and then perform a base-level backup of the volume after you restore it.

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Questions 21

To manage SnapVault relationships with an NDMP management application, you must specify a:

Options:

A.

directory path

B.

volume and qtree

C.

SnapVault license

D.

username and password

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Questions 22

To create a 64-bit aggregate, which optional switch/flag/parameter/option to the aggr create command must be included?

Options:

A.

b 64

B.

B 64

C.

l 64

D.

L 64

E.

No optional switch/flag/parameter/option is needed because 64-bit aggregates are the default

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Questions 23

Using the output below, a co-worker determined that these are type "Solaris" LUNs. What would your determination be?

Options:

A.

These are type "Solaris" LUNs.

B.

Not enough information is given here. Run the lun map command to get the information requested.

C.

Not enough information is given here. Run the lun show -v command to get the information requested.

D.

Not enough information is given here. Run the lun status command to get the information requested.

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Questions 24

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.

Options:

A.

/etc/rc

B.

/etc/hosts

C.

/vol/vol0/home

D.

/vol/vol0/mount

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Questions 25

SnapMirror will automatically try to restart a transfer after ___________.

Options:

A.

an initial transfer is interrupted

B.

a manual update is interrupted

C.

a transfer interrupted by reboot

D.

a scheduled incremental update is interrupted

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Questions 26

The snapvault snap create volume snapname command can be executed on the ___________.

Options:

A.

open systems

B.

primary system only

C.

secondary system only

D.

secondary or primary systems

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Questions 27

When migrating from Data ONTAP 7G to Data ONTAP 8.0 7-mode, existing non-traditional aggregates are designated as ________.

Options:

A.

16-bit

B.

32-bit

C.

64-bit

D.

Foreign

E.

Unknown

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Questions 28

The OSSV agent on the primary system listens to TCP port 10000 for all SnapVault communications.

Options:

A.

True

B.

False

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Questions 29

Which two are true when creating a SyncMirror volume? (Choose two.)

Options:

A.

The disks selected for Plex 0 and Plex 1 must come from the same disk shelf.

B.

The disks selected for Plex 0 and Plex 1 must come from the same disk pools.

C.

The number of disks added must be an even number and equally divided between the two plexes.

D.

The disks are selected first on the basis of equivalent bytes per sector (bps) size, then on the basis of the size of the disk. If there is no equivalent-sized disk, Data ONTAP takes a larger capacity disk and right-sizes it.

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Questions 30

Which two commands on the storage system allow you to gather detailed statistics about network interfaces, including basic information about network connections? (Choose two.)

Options:

A.

ifstat -a

B.

netdiag -n

C.

netstat -i

D.

sysstat 1

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Questions 31

Which exportfs command will temporally export the resource while ignoring the options specified in the /etc/exports file?

Options:

A.

exportfs – v

B.

exportfs –u

C.

exportfs –a

D.

exportfs – i

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Questions 32

Which three /etc/snapmirror.conf entries will support synchronous or semi-synchronous SnapMirror?

Options:

A.

FilerA:source_vol FilerB:destination_vol visibility_interval = lhr, outstanding = 3ms, cksum=crc32 syns

B.

FilerA:source_vol FilerB:destination_vol – 0-55/5 * * *

C.

FilerA:source_vol FilerB:destination_vol – sync

D.

FilerA:source_vol FilerB:destination_vol outstanding=3s sync

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Questions 33

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

Options:

A.

True

B.

False

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Questions 34

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

Options:

A.

True

B.

False

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Questions 35

Host multi-pathing describes a ____________ solution that has at least two distinct ______________ paths to a LUN.

Options:

A.

Token ring, physical

B.

FC SAN, virtual

C.

FC or IP SAN, virtual

D.

FC or IP SAN, Physical

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Questions 36

When using a Protection Manager policy to manage Open Systems SnapVault backups on a UNIX server, which three are valid objects to include in the data set? (Choose three.)

Options:

A.

A file

B.

A qtree

C.

A directory

D.

The entire client

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Questions 37

Which two choices are used to configure a semi-synchronous SnapMirror relationship? (Choose two.)

Options:

A.

throttle

B.

visibility interval

C.

outstanding=3s in DOT 7.2

D.

using option semi-sync in DOT 7.3 and higher

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Questions 38

The required hardware to add SyncMirror to an existing system would be ____________.

Options:

A.

disk shelves and cluster interconnect

B.

disk shelves and termination switches

C.

disk shelves, Ethernet adapters, and cabling

D.

disk shelves, Fibre Channel adapters, and cabling

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Questions 39

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

Options:

A.

True

B.

False

Questions 40

The quota resize command only affects existing /etc/quotas file target entries, not new quota entries.

Options:

A.

True

B.

False

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Questions 41

Operations Manager can monitor and manage only NetApp storage hosts that have the NetApp Host Agent installed.

Options:

A.

True

B.

False

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Questions 42

Which are three valid data protection solutions? (Choose three.)

Options:

A.

SnapVault toVolume SnapMirror

B.

SnapVault toVolume SnapMirror to SnapVault

C.

SnapVault toVolume SnapMirror toVolume SnapMirror

D.

Volume SnapMirror to SnapVault

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Questions 43

Which command displays the disk ownership for both CPU modules in a FAS2020 system?

Options:

A.

disk own -s

B.

disk show -v

C.

vol status -r

D.

disk display r

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Questions 44

To remove a cluster setup, you must perform these steps:

1. Type cf disable.

2. Unlicense cluster.

3. Remove partner entries for network interfaces from the /etc/rc file.

4. Halt and make sure the partner-sysid is blank.

5. Power down and remove the cluster interconnect card.

6. Perform steps 1-5 above on the partner node.

Options:

A.

True

B.

False

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Questions 45

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

Options:

A.

Options snapmirror.access on

B.

Options snapmirror.resync on

C.

Snapmirror initialize

D.

Snap mirror resync

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Questions 46

Is NetApp storage Encryption supported in Data ONTAP 8.1.1 Cluster-Mode?

Options:

A.

No, but you can file a PVR to request support.

B.

No. it is targeted for a future release of Data ONATP.

C.

Yes, only with a special license installed.

D.

Yes, it has been supported since 8.0.1.

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Questions 47

NTFS allows file access based on ___________.

Options:

A.

NT ACLs and SID.

B.

NT ACLs and UNIX permissions.

C.

SID and password.

D.

UNIX permissions.

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Questions 48

Five minutes ago, you performed a single file SnapRestore on a large NFS file. 40% of your NFS users are now complaining about getting “stale file handles” for the file. Which is the most likely cause of this problem, and the best procedure to correct it?

Options:

A.

This might be due to an NFS storage system and client mismatch. Check to see that these users have the same version of the NFS client that existed at the time the snapshot was taken.

B.

NFS users why try to access a reverted file without first reopening it might get a “stale file handle” error message. Have the users try to reopen the file and see if the problem is resolved.

C.

After a single file SnapRestore, NFS users have to reboot their systems. Have them reboot their systems.

D.

These users are on a different subnet from the others. Start troubleshooting by checking their subnet.

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Questions 49

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

Options:

A.

SNA and RPC

B.

iSCSI and FCP

C.

HTTP and FTP

D.

CIFS and NFS

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Questions 50

Which storage system command would display the WWPNs of hosts that have logged into storage system using a Fibre Channel connection?

Options:

A.

fcp config

B.

fcp initiator show

C.

fcp show –i

D.

fcp show initiator

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Questions 51

For automatic user name mapping to occur for a CIFS and UNIX user name that are the same, you must do what?

Options:

A.

Enter the CIFS user in the NIS database.

B.

Enter the user names in the /etc/hosts.equiv file.

C.

Use both a NIS server and a Domain Controller in the network.

D.

Nothing: mapping will occur if user name authentication is available.

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Questions 52

Which three attributes would you specify when creating a LUN? (Choose three)

Options:

A.

The host operating system of the system attached to LUN.

B.

The version of Data ONTAP

C.

The size of the LUN.

D.

The path to the LUN.

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Questions 53

Which three are valid LUN commands? (Choose three)

Options:

A.

lun clone

B.

lun copy

C.

lun move

D.

lun rename

E.

lun snap

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Questions 54

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.

Options:

A.

qtrees

B.

volume

C.

directory

D.

storage system

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Questions 55

Which command disables client access to Snapshot copies on a volume called flexvoll?

Options:

A.

cifs shares –change flxvoll –nosnap

B.

snap access flexvoll off

C.

vol options flexvoll nonsnapdir on

D.

vol options flexvoll snapdir off

E.

vol options flexvoll snapdir on

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Questions 56

Which three licenses are required for fabric-attached MetroCluster? (Choose three.)

Options:

A.

Cluster

B.

Cluster_remote

C.

Syncmirror_local

D.

Syncmirror_fabric

E.

Syncmirror_remote

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Exam Code: NS0-155
Exam Name: Data ONTAP 7-Mode Administrator
Last Update: Oct 7, 2024
Questions: 189
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