(PDF) DCS-IE DES-1423 Exam and Certification Test Engine
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NEW QUESTION 10
In an Isilon Gen 5 environment, what is the maximum number of data stripes for the N+3d:1n1d protection level?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
Explanation/Reference: https://community.emc.com/community/products/isilon/blog/2018/01/17/storage-efficiency- protection-overhead-vs-usable-capacity
NEW QUESTION 11
Which data access pattern makes the prefetch caching algorithm to be highly aggressive?
- A. Concurrency
- B. Random
- C. Parallel
- D. Streaming
Answer: D
NEW QUESTION 12
What is a benefit of the Isilon Data Lake solution?
- A. Protects multiple shared repositories at the same level
- B. Maintains simplicity at petabyte scale
- C. Block-based storage for large databases
- D. Scale-up approach for petabyte scale
Answer: B
NEW QUESTION 13
An Isilon administrator wants to create a new SMB share to an existing directory structure. The directory contains migrated production data and has an active NFS export. What will happen if the administrator selects the "Apply Windows default ACLs" option during creation?
- A. Creation of the SMB share fails due to the existing mode bit rights.
- B. Existing mode bit rights are overwritten by the Windows default ACLs.
- C. Windows default ACLs are overwritten by the existing mode bit rights.
- D. Windows default ACLs are merged with the existing mode bit rights.
Answer: B
Explanation:
246
Isilon Administration and Management participant guide
NEW QUESTION 14
An Isilon administrator is receiving "permission denied" while accessing a file on a cluster that an end-user created through an SMB share. The end-user is unable to access the share from their UNIX server.
The end-user "mydomain.com\win_user1" as the login name to access the Microsoft Windows share and then used an LDAP account name of "ux_user1" to access the UNIX mount. The Isilon cluster is joined to the
"mydomain.com" Active Directory domain. In additional, the cluster has an LDAP provider attached to it while the on-disk identity is set as "Native".
What is a possible cause for this permission issue?
- A. Fake UID generation in the cluster is disabled.
- B. RFC2307 is not configured on the Active Directory.
- C. Usermapping rule is not present.
- D. On-disk identity is set as "Native".
Answer: B
NEW QUESTION 15
You are configuring the network on a Isilon source cluster. The administrator wants to dedicate a new subnet for replication. Which consideration must be addressed for SyncIQ to work properly?
- A. SnapshotIQ must be licensed first.
- B. SyncIQ must run on a dynamic IP pool
- C. 10GbE ports must be used for replication
- D. SyncIQ must run on a static IP pool.
Answer: D
Explanation:
Isilon Administration and Management participant guide
NEW QUESTION 16
In an Isilon environment, what is a requirement to join multiple, untrusted Active Directory (AD) authentication sources to an access zone?
- A. Must only join Active Directory domains in the same forest.
- B. All untrusted AD provider instances must exist in all access zones.
- C. Must use a common /ifs tree for all access zones.
- D. Only one of the AD provider instances can exist in a zone at one time.
Answer: D
NEW QUESTION 17
An Isilon administrator is receiving "permission denied" while accessing a file on a cluster that an end-user created through an SMB share. The end-user is unable to access the share from their UNIX server.
The end-user "mydomain.com\win_user1" as the login name to access the Microsoft Windows share and then used an LDAP account name of "ux_user1" to access the UNIX mount. The Isilon cluster is joined to the "mydomain.com" Active Directory domain. In additional, the cluster has an LDAP provider attached to it while the on-disk identity is set as "Native".
What is a possible cause for this permission issue?
- A. Fake UID generation in the cluster is disabled.
- B. RFC2307 is not configured on the Active Directory.
- C. Usermapping rule is not present.
- D. On-disk identity is set as "Native".
Answer: B
NEW QUESTION 18
A company deployed an Isilon cluster that consists of eight nodes connected to a main production subnet by all available 10GB ports. Later, the company decided to implement a disaster recovery solution with a separate replication subnet. During the reconfiguration, one of the 10Gb ports from each of the nodes 1-4 was moved into the new pool and SBR was activated.
After activating the replication policies, the administrator noticed that the main production ports on nodes 1-4 reached the bandwidth limit. What is a possible reason for this behavior?
- A. Default gateway for the replication subnet is not specified.
- B. Default gateway for the replication subnet has a higher priority value.
- C. Main production ports have a smaller bandwidth limit than replication ports.
- D. Default gateway for the replication subnet has a lower priority value.
Answer: A
NEW QUESTION 19
Which deduplication phase is excluded from the Dry Run process?
- A. Index Updating
- B. Sampling
- C. Sharing
- D. Commonality Detection
Answer: C
Explanation:
473
Isilon Administration and Management participant guide
NEW QUESTION 20
An administrator uses a TreeDelete job to delete a large directory. After the job starts, users notice an issue with performance on the cluster. Which recommended action will resolve the performance issue with the job?
- A. Modify the running job to use an OFF_HOURS policy that runs at low impact during business hours and medium impact after business hours.
- B. Pause the running job and resume after business hours using a high impact policy so that it does not impact users.
- C. Modify the running job to use a high impact policy to reduce the amount of time users are impacted. Schedule the job after business hours in the future.
- D. Let the job continue to run at the current impact level and schedule future jobs for after business hours so they do not impact users.
Answer: C
NEW QUESTION 21
If configuration auditing is enabled, where are the audit logs stored?
- A. /ifs/.ifsvar/audit/config/log
- B. /ifs/.ifsvar/audit/audit.log
- C. /var/log/audit_config
- D. /var/log/isi_papi_d_audit.log
Answer: C
Explanation:
Explanation/Reference: https://www.google.com/url?
sa=t&rct=j&q=&esrc=s&source=web&cd=6&ved=2ahUKEwi__ePklKHmAhURzIUKHYipCVgQFjAFegQIBBAC& url=https%3A%2F%2Fwww.dell.com%2Fcommunity%2Fs%2Fvjauj58549%2Fattachments%2Fvjauj58549%
2Fsolutions-ch%2F482%2F1%2Fh12428-wp-best-practice-guide-isilon-file-system- auditing.pdf&usg=AOvVaw1rEv1R15oV0vd17KjB7VAo (5)
NEW QUESTION 22
Based on the exhibit, what is the actual protection level of the FEATURE.wmv file?
- A. N+1
- B. N+2d: 1n
- C. N+2n
- D. N+2
Answer: C
Explanation:
341
Isilon Administration and Management participant guide
NEW QUESTION 23
Which data access pattern makes the prefetch caching algorithm to be highly aggressive?
- A. Concurrency
- B. Random
- C. Parallel
- D. Streaming
Answer: D
Explanation:
Explanation/Reference: https://community.emc.com/community/products/isilon/blog/2017/04/05/smartpools-data-layout- prefetch
NEW QUESTION 24
In an Isilon environment, what is a requirement to join multiple, untrusted Active Directory (AD) authentication sources to an access zone?
- A. Must only join Active Directory domains in the same forest.
- B. Only one of the AD provider instances can exist in a zone at one time.
- C. All untrusted AD provider instances must exist in all access zones.
- D. Must use a common /ifs tree for all access zones.
Answer: A
Explanation:
81
Isilon Administration and Management participant guide
NEW QUESTION 25
Which OneFS 8.0 feature can be added to an NFSv4 export to assist with seamless failover in the event of a disconnect?
- A. Continuous availability
- B. Transparent failover
- C. Stateful connection
- D. Stateless connection
Answer: A
Explanation:
References:
257
Isilon Administration and Management participant guide
NEW QUESTION 26
How many Active Directory provider instances can be configured per access zone?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 27
What information is required to enable the LDAP service on an Isilon cluster?
- A. Administrator account and password, and LDAP server name and IP address
- B. Port number, cluster name, and an LDAP server IP address
- C. Base distinguished name, port number, and at least one LDAP server
- D. Base distinguished name, cluster name, and port number
Answer: C
NEW QUESTION 28
A company has a 4-node Isilon H600 cluster dedicated for a high-performance workflow. The administrator wants to convert their cluster SSD strategy from L3 cache to use the SSDs for metadata acceleration.
What should be considered?
- A. Converting to use SSDs for metadata acceleration turns off prefetching.
- B. Deselecting L3 cache for an SSD strategy has no impact to the workflow.
- C. Migration of data and metadata from the SSDs to HDDs can take hours.
- D. Once enabled, the L3 cache cannot be disabled without support assistance.
Answer: A
NEW QUESTION 29
A company plans to build two Isilon clusters in an active-active disaster recovery environment. The initial requirement is to have one access zone for their Finance department. Which recommended directory structure meets the requirement?
- A. Cluster_A:
/ifs/cluster_a/finance
/ifs/cluster_b/finance
Cluster_B:
/ifs/cluster_a/finance
/ifs/cluster_b/finance - B. Cluster_A:
/ifs/cluster_a
/ifs/cluster_b
Cluster_B:
/ifs/cluster_a
/ifs/cluster_b - C. Cluster_A:
/ifs/finance
/ifs/finance
Cluster_B:
/ifs/finance
/ifs/finance - D. Cluster_A:
/ifs/finance/cluster_a
/ifs/finance/cluster_b
Cluster_B:
/ifs/finance/cluster_a
/ifs/finance/cluster_b
Answer: A
NEW QUESTION 30 
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
Answer: D
NEW QUESTION 31
What is the correct hierarchy of the Job elements structure?
Answer:
Explanation:
NEW QUESTION 32
An Isilon administrator has four H600 nodes and eight A2000 nodes in the cluster. The file pool policy is configured to have all new data written to the H600 nodes. After a few weeks, the administrator has some concerns about the available capacity on the H600 nodes.
Which feature should be configured to accept writes, even after the H600 nodes become full?
- A. Spillover
- B. GNA
- C. Virtual Hot Spare
- D. SmartPools
Answer: A
Explanation:
Explanation/Reference: https://groups.google.com/forum/#!topic/isilon-user-group/CpalY7Jy6Xs
NEW QUESTION 33
What are the considerations when a NANON configuration is used?
- A. Increases capacity and aggregated cache.
- B. Increase frontend I/O ports and aggregated cache.
- C. Increases frontend network ports and capacity.
- D. Increases bandwidth inside the cluster and GbE links.
Answer: C
NEW QUESTION 34
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