EMC E20-555 Online Practice Questions and Exam Preparation

EMC E20-555 Online Questions & Answers

• Question 31:

  You are asked to size a cluster for a file sharing environment. nfsstat indicates that 75% of the requests are namespace operations (e.g., GETADDR, SETADDR). There will be 8,000 active Linux users, connecting over NFS. Which cluster configuration would you recommend?

  A. Five X400 (66 TB) 48 GB RAM, 1.2 TB SSD, N+2:1
  B. Eight X200 (27 TB) 12 GB RAM, 600 GB SSD, N+2
  C. Eight X200 (27 TB) 48 GB RAM, 600 GB SSD, N+2:1
  D. Eight X200 (36 TB) 48 GB RAM, no SSD, N+2:1
  C. Eight X200 (27 TB) 48 GB RAM, 600 GB SSD, N+2:1

• Question 32:

  Which type of deduplication is used to maximize the storage efficiently on an Isilon cluster?

  A. Fixed-segment
  B. Post-process
  C. Target-based
  D. Inline
  B. Post-process

• Question 33:

  An Isilon customer needs to grant a specific administrator on RBAC privilege. What does the customer need to do?

  A. Add the selected user account to the appropriate RBAC role and facilitate user access to the System access zone.
  B. Add the selected user account to the local provider, grant the appropriate RBAC role, and facilitate access to the production access zone only.
  C. Add the selected user account to the remote provider, grant the appropriate RBAC role, and facilitate access to the production access zone only.
  D. Add the selected user account to the local provider, grant the appropriate RBAC role, and facilitate access to both the production access zone and System access zone.
  A. Add the selected user account to the appropriate RBAC role and facilitate user access to the System access zone.

• Question 34:

  You are working with a healthcare company that is interested in replacing all the backend storage for their PACS system. In general, how should the solution be presented to the customer?

  A. VNX for image cache; Isilon NL-Series nodes for image archive
  B. Isilon A-Series nodes for image cache; Isilon NL-Series nodes for image archive
  C. Isilon NL-Series nodes for image cache and image archive
  D. VNX for image cache and image archive
  A. VNX for image cache; Isilon NL-Series nodes for image archive

• Question 35:

  A customer has two data centers (Site A and Site B).There is an Isilon cluster in each data center and they use SyncIQ to replicate data between the two data centers.

  You have reviewed their disaster recovery plan and found the following:

  The policies specify that SyncIQ runs a replication job every 3 hours and that the job finishes within 1 hour.

  Three additional hours will be needed to get servers and the network redirected to work from Site B.

  What is the Recovery Point Objective in this plan?

  A. 2 Hours
  B. 3 Hours
  C. 4 Hours
  D. 5 Hours
  C. 4 Hours

• Question 36:

  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
  A. SmartConnect Zones

• Question 37:

  How many impact policy levels are available when configuring Isilon jobs?

  A. 2
  B. 3
  C. 4
  D. 5
  C. 4

• Question 38:

  An Isilon customer has two 5-node clusters, one for production and one for disaster recovery (DR). The customer's workflow is a SmartLock workflow and is replicated to the DR cluster through SyncIQ on an individual schedule. The customer needs to shutdown their production cluster for scheduled maintenance.

  Assume both clusters have identical shares, exports, user authentication, and that the client applications have been stopped and the DNS re-pointed. What is the correct method to start operations on the DR cluster?

  A. Initiate Manual Failover of the SyncIQ Policy
  B. Initiate Automated Failover of the SyncIQ Policy
  C. No change to the SyncIQ Policy
  D. Revert the SyncIQ Policy
  B. Initiate Automated Failover of the SyncIQ Policy

• Question 39:

  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
  B. Stage 2

• Question 40:

  A customer is considering the use of RBAC to centrally administer user accounts that can log into multiple Isilon clusters. What is a potential capability for the customer?

  A. Assign users only custom roles with privileges to perform specific administrative tasks
  B. Assign individual privileges for specific administrative tasks directly to user accounts
  C. Assign users built-in or custom roles with privileges to perform specific administrative tasks
  D. Assign users only built-in roles with privileges to perform specific administrative tasks
  C. Assign users built-in or custom roles with privileges to perform specific administrative tasks