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EMC DES-1423 認定試験の出題範囲：
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質問 39
A company has an Isilon cluster that is joined to an Active Directory (AD) domain. Previously, the company replaced their primary NTP server and added new NTP settings to the Isilon cluster. Now the users are experiencing authentication failures.
What is a possible reason for this behavior?
- A. Time between the NTP and the AD differentiates by more than 5 minutes.
- B. SMB time is not configured on the cluster to synchronize with the AD.
- C. Cluster and the AD are configured to use the same NTP server.
- D. AD is not configured to synchronize its time from the cluster.
正解: A
解説:
References:
73
Isilon Administration and Management participant guide
質問 40
Which access information is represented in the exhibit?
- A. Real ACL is applied and group "DEES\sales" has read access to the file
- B. Real ACL is applied and group "DEES\domain users" has read access to the file
- C. Synthetic ACL is applied and user "DEES\john" has read access to the file
- D. Synthetic ACL is applied and group "DEES\sales" has read access to the file
正解: B
質問 41
Which job checks for error correction codes?
- A. FlexProtect
- B. MediaScan
- C. IntegrityScan
- D. Collect
正解: B
質問 42
On an Isilon cluster, what is a benefit of using SMB Server-Side Copy?
- A. A secondary copy of the user's file is created to allow multiple users to edit the file simultaneously.
- B. A secondary copy of a file is written to a backup location to assist SyncIQ operations.
- C. Allows the file to be copied from one location to another without having to go through the client.
- D. Allows members of the Administrator's group to manage snapshot copies of files.
正解: C
解説:
Explanation/Reference: http://doc.isilon.com/onefs/8.1.1/help/en-us/ifs_c_smb_server_side_copy.html
質問 43
An NFS export is created on the Isilon cluster. No clients are listed in the export rules. What is the client behavior when accessing the export?
- A. No clients on the network can access the export.
- B. All clients on the network can access the export.
- C. Clients can access the export with read-only permissions.
- D. Clients that access the export are mapped as root.
正解: A
質問 44
What is the maximum number of active Swift connections on a 5-node Isilon cluster?
- A. 0
- B. 1
- C. 2
- D. 3
正解: C
質問 45
Which HTTPS port number should be used to connect to any node in an Isilon cluster?
- A. 0
- B. 1
- C. 2
- D. 3
正解: A
解説:
Explanation/Reference: https://www.dellemc.com/en-us/collaterals/unauth/technical-guides-support-information/2019/09/ docu95378.pdf
質問 46
A new Isilon administrator has created their first quota of 100 TB on a directory called "/ifs/Boston-zone/RnD". Both the Engineering and QA teams have access to this directory. The directory sits on a 4-node H400 node pool.
Two weeks later, the administrator notices that the team's available disk space is decreasing faster than anticipated for the "/ifs/Boston-zone/RnD" directory.
What is the most likely cause for the decrease in disk space?
- A. SmartPools tiering is not enabled.
- B. Quota was configured as an Advisory quota.
- C. Quota was configured to include overhead.
- D. SmartPools global spillover is not enabled.
正解: C
質問 47
What are the considerations when a NANON configuration is used?
- A. Increases bandwidth inside the cluster and GbE links.
- B. Increases capacity and aggregated cache.
- C. Increase frontend I/O ports and aggregated cache.
- D. Increases frontend network ports and capacity.
正解: D
質問 48
Which command provides cluster statistics including protocol, disk input, and disk output?
- A. isi statistics drive
- B. isi statistics protocol
- C. isi statistics client
- D. isi statistics system
正解: D
質問 49
In an Isilon environment, what is a requirement to join multiple, untrusted Active Directory (AD) authentication sources to an access zone?
- A. Must use a common /ifs tree for all access zones.
- B. Only one of the AD provider instances can exist in a zone at one time.
- C. Must only join Active Directory domains in the same forest.
- D. All untrusted AD provider instances must exist in all access zones.
正解: B
質問 50
On an Isilon cluster, what is a benefit of using SMB Server-Side Copy?
- A. A secondary copy of the user's file is created to allow multiple users to edit the file simultaneously.
- B. A secondary copy of a file is written to a backup location to assist SyncIQ operations.
- C. Allows the file to be copied from one location to another without having to go through the client.
- D. Allows members of the Administrator's group to manage snapshot copies of files.
正解: C
質問 51
A user has recently left the company. After two weeks, the Isilon administrator receive a request to provide some files from the user's directory called \ifs\user\John_Doe\development. The administrator then discovers that the required files have been deleted, but a snapshot of the directory is available.
After restoring the files from the snapshot, which additional step is necessary to access the files?
- A. Restored files need to be copied from the .snapshot directory to the .restore directory.
- B. Permissions of the user directory need to be changed.
- C. Permissions of the restored files need to be changed.
- D. Restored files need to be copied from the .restore directory to the user directory.
正解: C
質問 52
You have been tasked with designing SyncIQ policies for a systems administrator that requires failover and failback testing. What information should be provided to the administrator?
- A. Failback replication policies that specify includes or excludes are not supported with SyncIQ.
- B. Failback replication policies that specify includes or excludes cannot use historical snapshots.
- C. SyncIQ supports failback replication policies that specify directory includes or excludes.
- D. Failback replication policies that specify includes or excludes cannot use data encryption.
正解: A
質問 53
What is the recommended number of delegations for a SmartConnect zone name for each SmarConnect zone alias on a cluster?
- A. 0
- B. 1
- C. 2
- D. 3
正解: A
解説:
135
Isilon Administration and Management participant guide
質問 54
Which OneFS 8.0 feature can be added to an NFSv4 export to assist with seamless failover in the event of a disconnect?
- A. Stateful connection
- B. Stateless connection
- C. Continuous availability
- D. Transparent failover
正解: A
解説:
Explanation/Reference: https://www.dellemc.com/resources/en-us/asset/white-papers/products/storage/ h17240_wp_isilon_onefs_nfs_design_considerations_bp.pdf (7)
質問 55
A systems administrator needs to change the cluster protection from N+3n to N+2n. Which interfaces can be used?
- A. HTTP, WebUI, and CLI
- B. PAPI, WebUI, and CLI
- C. SFTP, HTTP, and CLI
- D. PAPI, WebUI, and SFTP
正解: A
質問 56
Which command shows the node running as the job coordinator?
- A. isi job status
- B. isi job status -v
- C. isi job statistics view -v
- D. isi job statistics
正解: B
質問 57
When manipulating a job, which task can an Isilon administrator perform?
- A. Create a custom impact level
- B. Pause a job manually
- C. Update schedules.
- D. Change impact policies.
正解: B
解説:
515
Isilon Administration and Management participant guide
質問 58
A company has an Isilon cluster that is joined to an Active Directory (AD) domain. Previously, the company replaced their primary NTP server and added new NTP settings to the Isilon cluster. Now the users are experiencing authentication failures.
What is a possible reason for this behavior?
- A. SMB time is not configured on the cluster to synchronize with the AD.
- B. Time between the NTP and the AD differentiates by more than 5 minutes.
- C. Cluster and the AD are configured to use the same NTP server.
- D. AD is not configured to synchronize its time from the cluster.
正解: D
解説:
Explanation/Reference: https://www.dell.com/community/Isilon/NTP-and-Active-Directory/td-p/6954393
質問 59
Based on the exhibit, what is the actual protection level of the FEATURE.wmv file?
- A. N+1
- B. N+2n
- C. N+2
- D. N+2d: 1n
正解: B
解説:
341
Isilon Administration and Management participant guide
質問 60
What is the lowest level of storage pool grouping on an Isilon cluster that is user-configurable and created manually or automatically?
- A. Node pool
- B. Disk pool
- C. Neighborhood
- D. Sub-node pool
正解: B
質問 61
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