PassLeader 100% Pass Ensure NetApp NS0-155 Dumps VCE and Dumps PDF (Question 76 – Question 90)

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

A.    local interfaces only
B.    failed partner interfaces only
C.    local and failed partner interfaces
D.    interfaces as defined in the /etc/rc file

Answer: D

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

A.    10 meters
B.    50 meters
C.    100 meters
D.    500 meters

Answer: D

When using SnapRestore to restore a single LUN, the LUN must be ____.

A.    exported and accessible
B.    mapped to a Windows server
C.    mounted on a host
D.    taken offline or unmapped

Answer: D
Always unmount the LUN before you run the snap restore command on a volume containing the LUN or before you run a single file SnapRestore of the LUN. For a single file SnapRestore, you must also take the LUN offline.

For aggregates or traditional volume SyncMirror to work correctly, the configuration of each plex should be identical with regard to ____.

B.    Mirrored Snapshot copies
C.    RAID groups and disk sizes
D.    NDMP and Snapshot copies

Answer: C
SyncMirror is essentially a RAID-1 mirror; hence the name. The best practice is to mirror storage of equal performance; i.e. identical RAID groups and disk sizes (number of spindles, IOPS). If you were to mirror two storage devices of different performance, the slower device would be the limiting factor.

What happens when two aggregates are rejoined?

A.    It is not possible to rejoin aggregates.
B.    Data ONTAP will always retain data from the newest aggregate.
C.    Both aggregates revert to the last common snapshot before the split.
D.    You will have a large new aggregate containing all volumes from both aggregates.
E.    One of the aggregates will be overwritten and you will lose any data changed on it after the split.

Answer: E
When you rejoin split aggregates, Data ONTAP mirrors the data from one aggregate to the other and destroys data that existed on that aggregate before the rejoin.

You cannot remove the SyncMirror license if one or more mirrored volumes exist.

A.    True
B.    False

Answer: A
You cannot disable the SyncMirror license if mirrored aggregates exist and are online.

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 ____.

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

Answer: C
Both `warn you that there are no available spares from the proper pool’ and `halt after 24 hours if spare disk are not added to the proper pool’ are correct answers. However, since Data ONTAP alerts you first, ‘warn you that there are no available spares’ is the best answer.

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

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

Answer: D

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

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.

Answer: CD
The rules for the selection of disks or array LUNs, for using as mirrored aggregates, are as follows:
– Disks or array LUNs selected for each plex must be in different pools. The same number of disks or array LUNs must be in both the plexes.
– 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 uses a larger-capacity disk, and limits the size to make it identically sized. Data ONTAP names the plexes of the mirrored aggregate.

After issuing the aggr split aggr0/plex0 aggrNew command ____.

A.    there is a new plex called aggrNew
B.    there are two new plexes, plex0 and plexNew
C.    there is a new mirrored aggregate called aggrNew
D.    there are two unmirrored aggregates, aggr0 and aggrNew
E.    flexible volumes are evenly split between aggr0 and aggrNew

Answer: D

Normally, before you split a SyncMirror volume, you ensure that both plexes are ____ and ____.

A.    offline; quiesced
B.    online; consistent
C.    online; normal
D.    restricted; offline

Answer: C
Ensure that both plexes of the mirrored aggregate you are splitting are online and operational.

You can avoid data corruption when you issue the cf forcetakeover -d command if the remote node is ____.

A.    in a giveback mode
B.    fenced off manually
C.    powered on and accessible
D.    powered off and inaccessible

Answer: D

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

Answer: D
The operator must ensure that the partner filer does not become operational at any time while a filer is in a takeover mode initiated by the use of this command.

When using MetroCluster in a forced takeover mode, identify two methods for restricting access to the disaster site node. (Choose two.)

A.    Use manual fencing.
B.    Use the cf giveback -f command.
C.    Use the cf forcetakeover -d command.
D.    Turn off power to the disaster site node.
E.    Isolate the failed node from the surviving node.

Answer: AD

In a fabric-attached MetroCluster, a “site failure” is described as a ____.

A.    failure of the Inter-Switch-Links (ISL)
B.    failure of the interconnect cable
C.    complete failure of the primary controller and disk shelves
D.    malfunction of the Fibre Channel adapter on the cluster node

Answer: C

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