E20-357 Online Practice Questions and Answers

What can be done to add more nodes to an Isilon cluster that has run out of backend switch ports?

A. Migrate to larger switches

B. Daisy chain new nodes from existing nodes

C. Daisy chain new switches from existing switches

D. Deploy a new cluster

What is required to perform management operations through the web administration interface?

A. An external IP address reachable over TCP port 8080

B. Direct serial connectivity to any node in the cluster

C. TCP port 23 open between Isilon and a remote management server

D. ConnectEMC services enabled on the cluster

Recently an EMC Isilon cluster was upgraded from version 7.0.1.3 to version 7.0.2.9. What is included in this degree of upgrade?

A. Maintenance release, new features, functions, and fixes

B. Code patches and minor functionality enhancements only

C. Major change in functionality, new features, and functions

D. Code patches and minor fixes only

What information is displayed by the isi_hw_status command?

A. Hardware components and selected statistics

B. Health status of both NVRAM batteries

C. Subnet and pool membership for the interfaces

D. Status of drives in the node

What is a characteristic of dynamic pools?

A. Can allocate more than one IP per NIC port in the pool

B. Must have the same number of IPs in the range as NIC ports in the pool

C. If a node fails, will fail over the IPs in a pool to the node with the lowest LNN

D. Will force the IPs to stay with the same NIC port, even if a node fails

By default, which ID is stored on an EMC Isilon cluster when the on-disk identity is set to Native and a user has a synthetic UID?

A. SID

B. UID/GID

C. RID

D. GUID

What NFS protocols are supported by OneFS v7.2?

A. NFSv3 and NFSv4

B. NFSv2 and NFSv3

C. NFSv2 and NFSv4

D. NFSv4 and NFSv4.1

A customer is using an EMC Isilon cluster solely for user's home directories. Secure protocol communication was a requirement in the design of their cluster configuration

Which feature of the SMB protocol could be disabled to improve performance?

A. Oplocks

B. Packet signing

C. Credit limits

D. Stateful

Which features are part of the traditional Hadoop NameNode?

A. Filesystem for the metadata One physical server

B. Holds Metadata/location data for the cluster Task Tracker

C. Filesystem for the metadata Multiple NameNodes

D. One physical server Task Tracker

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

Which cache stores blocks from previous read and write operations, and interacts with the node's drive subsystem?

A. L2 Cache

B. Endurant Cache

C. L1 Cache

D. FAST Cache

An EMC Isilon administrator is attempting to limit disk usage and control the visible capacity of a share to SMB clients. Which quota type gives the administrator this ability?

A. Hard quota on Directory

B. Hard quota on Group

C. Soft quota on Directory

D. Soft quota on User

Which use case is a good candidate for SmartDedupe?

A. Large number of files on a single node pool

B. Large number of files across different node pools

C. Files with duplicate blocks contained within them

D. Files that are smaller than 32 K

What administrative access methods are secured by RBAC?

A. Platform API and Secure Shell

B. Platform API and SNMP

C. Secure Shell and SNMP

D. SNMP and Secure Shell

What condition must a directory be in before it can be made into an Enterprise SmartLock directory?

A. Empty

B. Not existing

C. Non-WORM directory

D. Compliance SmartLock directory