Isilon Solutions and Design Specialist Exam for Technology Architects E20-555 Exam Questions with VCE and PDF for Free Download from PassLeader (Question 61 – Question 80)

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A customer currently has 10 HPC nodes. They plan to purchase a 5-node Isilon X400 cluster for an HPC application running on Linux. They will persistent mount the Isilon cluster through NFSv3. Which recommended configuration addresses the customer’s requirements for high availability and throughput?

A.    SmartConnect Advanced with Round Robin connection balancing and dynamic addressing.
B.    SmartConnect Basic with Round Robin connection balancing and dynamic addressing.
C.    SmartConnect Advanced with Network Throughput connection balancing and dynamic addressing.
D.    SmartConnect Advanced with Round Robin connection balancing and static addressing.

Answer: A

A customer is configuring Isilon SmartConnect. They have determined that their workload primarily consists of short-lived connections, such as HTTP and FTP. Which load-balancing policy provides the most efficient client distribution?

A.    CPU Utilization
B.    Round Robin
C.    Connection Count
D.    Random Selection

Answer: A

An Isilon customer has an environment supporting a wide range of different workloads. They want to assign clients to performance tiers based on the resources needed. What can the customer use to meet this requirement?

A.    SmartConnect Zones
B.    Load Balancing
C.    Client Connection Zone
D.    SmartPools Advanced

Answer: A

If Dynamic IP Address Allocation is being configured in Isilon SmartConnect, which policy setting needs to be determined?

A.    Rebalance
B.    Load Balancing
C.    Static
D.    Dynamic

Answer: A

An Isilon cluster component has the following characteristics:
– Spans 3 – 40 nodes
– Logical grouping of drives
– Automatically assigned
– Intelligently distributes disks to manage performance
Which cluster component is described?

A.    Disk pool
B.    Node pool
C.    Smart pool
D.    SSD pool

Answer: A

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

Answer: B

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

Answer: A

An Isilon customer wants the ability to provide low latency I/O for their files due to a workflowinvolving 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

Answer: A

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

Answer: A

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

Answer: A

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

Answer: A

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

Answer: A

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

Answer: A

On an Isilon cluster, how much space should be reserved for snapshots by default?

A.    0%
B.    5%
C.    10%
D.    20%

Answer: A

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.

Answer: A

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.

Answer: A

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.

Answer: A

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.

Answer: A

Using Isilon SnapshotIQ, how many snapshots can be created at the directory level?

A.    8
B.    96
C.    256
D.    1024

Answer: D

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.

Answer: A

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