EMC EMC Certifications E20-555 Questions & Answers

• Question 171:

  What is the smallest unit of manageable storage within Isilon SmartPools?

  A. SSD pool

  B. Node pool

  C. Disk pool

  D. File pool

  Correct Answer: C

  Reference: http://www.emc.com/collateral/hardware/white-papers/h8321-wp-smartpools-storage-tiering.pdf (page 7, see disk pools)

• Question 172:

  When configuring Isilon SmartPools policies, which values are allowed for file pool policy storage destinations?

  A. Disk pools and node pools

  B. Disk pools

  C. SSD pools and tiers

  D. Node pools, tiers, and anywhere

  Correct Answer: A

  Reference: http://www.emc.com/collateral/hardware/white-papers/h8321-wp-smartpools-storage-tiering.pdf (page 10, see the image)

• Question 173:

  Which Isilon product is recommended where low-latency and maximum performance is a critical factor?

  A. X-Series

  B. S-Series

  C. SmartQuotas

  D. NL-Series

  Correct Answer: B

• Question 174:

  Refer to Exhibit below: What is represented by the information shown in the exhibit?

  

  A. Directory quota cannot exceed 2 TB for both /ifs/data/media and /ifs/data/media/photo. Directory quota cannot exceed 900 GB for /ifs/data/media/video. Directory quota can be any size up to 2 TB and each user can only store 75 GB for /ifs/data/media/temp.

  B. Directory quota cannot exceed 2 TB for /ifs/data/media and no quota limit on /ifs/data/media/photo. Directory quota cannot exceed 900 GB for /ifs/data/media/video. Directory quota can be any size up to 2 TB and each user can only store 75 GB for /ifs/data/media/temp.

  C. Directory quota cannot exceed 2 TB for both /ifs/data/media and /ifs/data/media/photo. Directory quota cannot exceed 900 GB for /ifs/data/media/video. Directory quota can be any size up to 2 TB for /ifs/data/media/temp.

  D. Directory quota cannot exceed 2 TB for both /ifs/data/media and /ifs/data/media/photo. Directory quota cannot exceed 900 GB for /ifs/data/media/video. Directory quota can be any size up to 900 GB and each user can only store 75 GB for /ifs/data/media/temp.

  Correct Answer: A

• Question 175:

  How many file systems are present in a 20-node Isilon X200 cluster?

  A. 1

  B. 2

  C. 3

  D. 4

  Correct Answer: A

• Question 176:

  Which type(s) of data is predominately associated with home directories and file shares?

  A. E-mail files, PPT, Word documents

  B. Oracle directories

  C. SQL database files

  D. XML data

  Correct Answer: A

• Question 177:

  Traditional NAS storage architecture deploys simple two-way failover between two controllers in their storage systems, such as highly-available configurations. How is the Isilon architecture different in terms of system resiliency and availability?

  A. Isilon OneFS enables each node to have a designated partner node for simple failover between the pair.

  B. Isilon solutions can enable failover to other nodes with the use of client-side drivers.

  C. Isilon clustered architecture deploys standby failover nodes to ensure the highest available solution.

  D. Isilon OneFS enables each node to be a peer to any other node in an Isilon cluster.

  Correct Answer: D

• Question 178:

  If a client is mounted to the sixth node in a 20-node Isilon cluster, how much memory cache can that client leverage assuming each node has 8 GB of memory cache?

  A. 16 GB

  B. 40 GB

  C. 120 GB

  D. 160 GB

  Correct Answer: D

• Question 179:

  What is the maximum volume or aggregate size that can be created with an Isilon Scale-Out NAS system?

  A. 16 TB

  B. 100 TB

  C. 2.3 PB

  D. 20 PB

  Correct Answer: D

• Question 180:

  Which block size does Isilon SyncIQ use to transfer data?

  A. 2 KB

  B. 4 KB

  C. 6 KB

  D. 8 KB

  Correct Answer: D