400-499 Flashcards
What is the maximum audit log size in Isilon OneFS before rolling over to a new file?
A. 512 MB
B. 1 GB
C. 2 GB
D. 4 GB
B. 1 GB
You have been tasked with creating file pool policies for a customer as part of the configuration
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document. The file criteria indicate that directories that have not changed for over 60 days should be
moved to the archive tier.
What file pool policy filter types should you select?
A. File type and mtime
B. Filename and atime
C. File type and atime
D. Filename and mtime
A. File type and mtime
What are the On-Disk Identity types that appear in the web administration interface?
A. SID, UNIX, and Native
B. GUID, UID/GID, and Mixed
C. AD, LDAP, and NIS
D. SMB, NFS, and Mixed
A. SID, UNIX, and Native
Recently a Dell EMC Isilon cluster was upgraded from version 7.2.0.1 to version 8.0.1.0.
What was included in this upgrade?
A. Major change in functionality in the same family and theme
B. Code patches and firmware revisions only
C. Code patches and minor functionality enhancements only
D. Major changes and potential core modifications to the OS and data structures
D. Major changes and potential core modifications to the OS and data structures
What is the difference between dynamic and static link aggregation?
A. Dynamic link aggregation can be configured with the web administration interface.
Static link aggregation only supports CLI configurations.
B. Dynamic link aggregation negotiates with the switch on the aggregation settings.
Static link aggregation does not facilitate the negotiation.
C. Dynamic link aggregation balances the frames across the aggregated interfaces.
Static link aggregation can only failover across the links.
D. Dynamic link aggregation supports Round Robin and FEC aggregation modes.
Static link aggregation supports Failover and LACP modes.
B. Dynamic link aggregation negotiates with the switch on the aggregation settings.
Users are receiving notification they are out of space even though when they calculate their file
usage, they should have 20% to 30% more space still available.
What is the probable explanation?
A. The quotas are set to include protection overhead
B. The group usage is included with their user quota
C. Snapshot data has not been deleted
D. Deleted files have not been removed from their quota
A. The quotas are set to include protection overhead
What is a valid simultaneous job combination on an Isilon Engine v2.0?
A. One Restripe job, one Mark job, and one All-Other job
B. One Restripe job, one All-Other job and one Multiscan job
C. One Restripe job and two Mark jobs
D. Two Restripe jobs and one All-Other job
A. One Restripe job, one Mark job, and one All-Other job
What are the access layers in EMC Isilon clusters?
A. Protocol, Authentication, Identity Assignment, and Permissions
B. Physical, Network, Transport, and Session
C. Network, Authentication, Identity Assignment, and Permissions
D. Physical, Network, Transport, and Application
A. Protocol, Authentication, Identity Assignment, and Permissions
What is a reason why Isilon NAS solutions work effectively with Big Data workflows?
A. Functions as a single repository of data
B. Functions as single block-based storage
C. Functions as a scale-up solution
D. Provides multiple aggregates of volumes
A. Functions as a single repository of data
Which feature of the SMB protocol can be tuned to prevent clients from monopolizing EMC Isilon
cluster resources?
A. Oplocks
B. Change control
C. Packet signing
D. Credit limits
D. Credit limits
What is the maximum number of H400 nodes that can be added to a node pool in a Dell
PowerScale cluster running OneFS 8.2?
A. 144
B. 252
C. 288
D. 352
B. 252
What is the maximum number of concurrent active connections that Swift can support, per node?
A. 50
B. 100
C. 150
D. 200
C. 150
When creating an SMB share on a Dell EMC Isilon cluster, what should the ??Directory ACLs? setting
be if adding a new share to an existing directory structure?
A. Do not change existing permissions
B. Apply Windows Default ACLs
C. Allow Variable Expansion
D. Auto-Create Directories
B. Apply Windows Default ACLs
On the Isilon cluster CLI, which command will display the most active nodes every two seconds,
from highest to lowest?
A. isi statistics system –top –nodes –interval=2
B. isi alert list –newest=2 –nodes=all
C. isi devices -a status -d 2
D. isi_for_array -s isi status
A. isi statistics system –top –nodes –interval=2
A Dell EMC Isilon customer is using the CloudPool feature to tier some old data to the Microsoft
Azure cloud. At the same time, they are using SyncIQ replication to replicate to a disaster recovery (DR)
cluster.
What accurately describes this implementation?
A. SyncIQ replicates POSIX mode bit permissions along with quota information to the DR cluster
B. Files stored in the cloud can be read directly from the cloud without any Isilon intervention
C. SyncIQ fetches the tiered data from the cloud to the primary cluster and then replicates it to the DR
cluster
D. SyncIQ replicates file and directory permissions of files and directories to the DR cluster
C. SyncIQ fetches the tiered data from the cloud to the primary cluster and then replicates it to the DR
In an Isilon Gen 6 cluster, what is the minimum number of nodes required to upgrade an existing
H500 cluster using A2000 nodes?
A. 1 node
B. 2 nodes
C. 3 nodes
D. 4 nodes
D. 4 nodes
What is required to enable Secure NFS on an Isilon cluster?
A. Services for NFS must be configured in the AD environment
B. LDAP must be configured in the system access zone
C. NFS access must use static address pools
D. Cluster must be configured to use NTP
A. Services for NFS must be configured in the AD environment
A systems administrator is planning an extension of a Dell PowerScale Gen 6 cluster. They are
asked to provide redundancy at the chassis level. The node pool protection level is +2d:1n.
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What is the minimum number of nodes required to ensure that data is not lost when cycling power to a
single chassis?
A. 20
B. 22
C. 40
D. 42
C. 40
Which data access pattern makes the prefetch caching algorithm to be highly aggressive?
A. Random
B. Parallel
C. Concurrency
D. Streaming
D. Streaming
After operating an EMC Isilon 3-node cluster for some time, a customer notices that the amount of
storage used seems significantly larger that it should be.
The filesystem has a tremendous amount of small (<128K) files and the protection level is N+2d:1n. The
customer does not want to sacrifice data protection.
What should be done to increase available capacity?
A. Nothing
B. Defragment the disks
C. Compress the small files
D. Change protection to 2x mirroring
A. Nothing
You are creating an A record in DNS for client connections.
Which IP should you use?
A. SmartConnect Service IP
B. IP from a dynamic pool
C. SmartConnect zone IP
D. IP from a static pool
A. SmartConnect Service IP
Which identity type is an example of a primary identifier?
A. SID
B. MPIO
C. Username
D. PID
A. SID
You are configuring DNS to work with SmartConnect zones.
What is the best practice recommendation to the customer?
A. Set TTL on NS records to zero
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B. Use Linux-based DNS
C. Use Windows-based DNS
D. Set TTL on A records to zero
A. Set TTL on NS records to zero
When using SyncIQ on an Isilon cluster, which setting is used to retain deleted files on the target?
A. Copy
B. Synchronize
C. –target-compare-initial sync on the CLI command option
D. Capture snapshots on the target cluster
A. Copy