Dell E20-555 - Isilon Solutions and Design Specialist Exam for Technology Architects Exam
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Total 225 questions
Question #1 (Topic: )
An Isilon customer has set up a replication policy between a primary cluster and a
secondary cluster. After the initial synchronization of the clusters, the primary cluster starts
to display some issues. The customer initiates a failover operation between the two
clusters.
During the failover, the primary cluster becomes fully operational again. The customer
wants to stop the failover operation between the two clusters.
What is the best way to stop the failover operation and continue using the primary cluster?
secondary cluster. After the initial synchronization of the clusters, the primary cluster starts
to display some issues. The customer initiates a failover operation between the two
clusters.
During the failover, the primary cluster becomes fully operational again. The customer
wants to stop the failover operation between the two clusters.
What is the best way to stop the failover operation and continue using the primary cluster?
A. Initiate a failover revert on the secondary cluster
B. Initiate a failover revert on the primary cluster
C. Nothing; this is an automatic process
D. Delete the primary clusters' snapshot of this data
Answer: A
Question #2 (Topic: )
An Isilon customer created a scheduled SyncIQ policy to replicate data from an Enterprise-
mode SmartLock directory. The source cluster is now unusable and the target cluster does
not automatically allow writes to the data in the replicated SmartLock directory.
What is the reason why the target cluster did not automatically allow writes of the data?
mode SmartLock directory. The source cluster is now unusable and the target cluster does
not automatically allow writes to the data in the replicated SmartLock directory.
What is the reason why the target cluster did not automatically allow writes of the data?
A. SyncIQ Automated failover is not supported for SmartLock directories; however, manual failover is allowed.
B. Automated failover and manual failover are not allowed on SmartLock directories on the target cluster.
C. A SyncIQ job was running while the source cluster became unusable, thereby removing all data on the target directory.
D. SnapshotIQ was not licensed on the target cluster; the snapshot of the directory is not available for use by SyncIQ.
Answer: A
Question #3 (Topic: )
What is the relative latency of a cache hit to L1 cache compared to a hit to L2 cache in an
Isilon cluster?
Isilon cluster?
A. 2x
B. 5x
C. 10x
D. 25x
Answer: C
Question #4 (Topic: )
Given a 5-node Isilon cluster configured with an N+2 protection level, how many nodes can
be offline with the data accessible and fully writeable?
be offline with the data accessible and fully writeable?
A. 1
B. 2
C. 3
D. None
Answer: B
Question #5 (Topic: )
Refer to the exhibit.
[EMC-E20-555-6.2/EMC-E20-555-4_2.png]
Which tool was used to create this output and which line item counts the metadata read
operations occurring in the file service?
[EMC-E20-555-6.2/EMC-E20-555-4_2.png]
Which tool was used to create this output and which line item counts the metadata read
operations occurring in the file service?
A. nfsstat and getattr
B. iostat and fsstat
C. tcpdump and nfsstat
D. isi_netlogger and commit
Answer: A
