E20-555 実際試験問題と解答 - 模擬練習 - 受験自信を増やす

Question No : 1
A customer has an SMB file directory with 375 TB of data on the primary cluster with a protection level of N +3:1. They want to replicate this directory to the secondary cluster. They are interested in the possibility of setting protection levels on the target cluster.
Which target directory protection level information can be provided?

A.Does not need to match the source and is configured separately on the target cluster
B.Must match the source and is configured separately on the target cluster
C.Cannot be altered and is controlled by SyncIQ
D.Can be altered by the command line interface and is controlled by SyncIQ

正解:

Question No : 2
Using Isilon SnapshotIQ, how many snapshots can be created at the directory level?

A.8
B.96
C.256
D.1024

正解:

Question No : 3
An Isilon customer wants to have different snapshot policies and schedules on the same directory.
Why is this possible on an Isilon cluster?

A.SnapshotIQ snaps at the directory level rather than the volume level
B.All snapshots are scheduled through the command line interface
C.A third-party product is used by SnapshotIQ to create different schedules and policies on a directory
D.SnapshotIQ snaps at the volume level rather than the directory level

正解:

Question No : 4
A customer created one month of snapshots; one snapshot every 8 hours for 30 days on an Isilon cluster using SnapshotIQ. They are now deleting the snapshots randomly and experiencing overhead to the cluster.
How can the snapshots be removed while avoiding the overhead caused by this process?

A.Delete the snapshots in order
B.Use SmartPools to move the snapshot data to a different tier
C.Snapshots cannot be deleted
D.Remove the directory

正解:

Question No : 5
A customer is considering moving their NAS data over to Isilon systems. They want to know if the Isilon systems have any limitations regarding snapshots.
What explanation can be provided?

A.There is no hard limit on snapshots.
B.There is a limit of 1024 snapshots per cluster.
C.There is a limit of 2048 snapshots per cluster.
D.There is a limit of 2048 snapshots per directory.

正解:

Question No : 6
How does Isilon SnapshotIQ use storage for snapshots?

A.Through Changed Block Tracking and only changed data blocks are saved
B.Works on the file level and saves the entire file no matter what has changed
C.Works with 4 KiB blocks and will always use that amount of storage, no matter what has changed
D.Through Changed Block Tracking and always uses a 4 KiB block, even if the data changed is less than that amount

正解:

Question No : 7
On an Isilon cluster, how much space should be reserved for snapshots by default?

A.0%
B.5%
C.10%
D.20%

正解:

Question No : 8
In an Isilon environment, how is InsightIQ installed?

A.Deployed as a virtual appliance
B.Installed on a FreeBSD server
C.Deployed on a Windows 64-bit server
D.Installed on an Isilon cluster

正解:

Question No : 9
An Isilon customer wants to more effectively manage their storage and thereby achieve performance improvements.
Which tool will help improve workflow performance on their cluster?

A.InsightIQ
B.Isilon SNMP MIB
C.SyncIQ
D.SmartPools

正解:

Question No : 10
An Isilon customer implemented a retention period at the directory level. They set individual retention periods on individual files within those directories.
Which retention periods will be enforced?

A.Latest retention period
B.Earliest retention period
C.File-level retention
D.Directory-level retention

正解:

Question No : 11
A customer has a data retention period of three years. They want a solution in which files cannot be deleted, changed, or modified.
Which Isilon SmartLock version should they implement?

A.Compliance version
B.Standard version No WORM
C.Enterprise version
D.Standard version with WORM

正解:

Question No : 12
By default, which method is used by Isilon OneFS for SSDs?

A.Metadata read acceleration
B.Metadata read/write acceleration
C.Data on SSDs
D.Avoid SSDs

正解:

Question No : 13
An Isilon customer wants the ability to provide low latency I/O for their files due to a workflow involving small, random reads and writes.
Which SSD strategy is most effective for this use case?

A.Data on SSDs
B.Metadata read acceleration
C.Metadata read/write acceleration
D.Avoid SSDs

正解:

Question No : 14
If business objectives such as value and SLAs are considered, which Isilon license feature provides the ability to manage performance and the cost of data in a cluster?

A.SmartPools
B.SmartConnect
C.SyncIQ
D.SmartQuota

正解:

Question No : 15
An Isilon customer has an 8-node cluster of older X-Series nodes.
They plan to upgrade the nodes over the next three years in the following stages:
- Stage 1: Add 2 X-Series nodes to meet performance growth
- Stage 2: Add 4 NL-Series nodes to meet archive capacity growth
- Stage 3: Add 10 New X-Series nodes as a hardware refresh
- Stage 4: Remove older X-Series nodes
At which point will a SmartPool license be required?

A.Stage 1
B.Stage 2
C.Stage 3
D.Stage 4

正解:

EMC E20-555 問題練習