Pass the EMC EMC Certification E20-555 Questions and answers with CertsForce

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Viewing questions 21-30 out of questions
Questions # 21:

A company needs the ability to separate administrative rights from data access rights. Which Isilon feature enables this functionality?

Options:

A.

RBAC


B.

SmartConnect


C.

SmartLock


D.

SmartQuota


Expert Solution
Questions # 22:

What is appropriate for capturing packets for later analysis of I/O request sizes and randomness on Isilon clusters?

Options:

A.

Wireshark


B.

tcpdump


C.

iostat


D.

Mitrend


Expert Solution
Questions # 23:

When a client requests a file to read from an Isilon cluster, in which order does the read operation access the hardware in a node?

Options:

A.

Endurant Cache, L1 cache, disk


B.

L2 cache, L1 cache, disk


C.

Disk, L2 cache, Endurant Cache


D.

L1 cache, L2 cache, disk


Expert Solution
Questions # 24:

What happens to worker threads running on the same node when there is an excessive number of workers

running at the same time?

Options:

A.

Workers are paused


B.

Workers are queued


C.

Impact level of workers is decreased


D.

Priority level of workers is decreased


Expert Solution
Questions # 25:

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?

Options:

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


Expert Solution
Questions # 26:

Your customer has several departments that want separate access to the cluster so they can use their individual authentication methods. Two of the departments will use NFS and two will use SMB to access the cluster.

What would you recommend?

Options:

A.

Create two separate access zones for the SMB clients, and use the System zone for the NFS clients.


B.

Create separate access zones for both the SMB and NFS clients.


C.

Create two separate access zones for the NFS clients, and use the System zone for the SMB clients.


D.

Have all clients access the System zone, and use RBAC to control authentication.


Expert Solution
Questions # 27:

What is the overhead impact on the physical capacity when configuring data protection at +2:1 on a 6-node Isilon cluster?

Options:

A.

1/2


B.

1/4


C.

1/5


D.

1/6


Expert Solution
Questions # 28:

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?

Options:

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.


Expert Solution
Questions # 29:

An Isilon has two ports configured per node. Each port is on a different VLAN. Although incoming traffic is evenly distributed, transmitted data from the Isilon uses one port more than the other port. What could be the cause of this imbalance?

Options:

A.

Static routes are configured on the less-used port


B.

A default gateway was not configured on both ports


C.

Source Based Routing is not enabled on the cluster


D.

Priority of the gateway in the less-used port set too low


Expert Solution
Questions # 30:

In an Isilon environment, which event will avoid Dynamic IP Address reallocation?

Options:

A.

Client is added to the cluster


B.

Failure of the back-end network


C.

Node reboot


D.

Cluster split


Expert Solution
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