E20-555 Exam Details

  • Exam Code
    :E20-555
  • Exam Name
    :Isilon Solutions and Design Specialist for Technology Architects
  • Certification
    :EMC Certifications
  • Vendor
    :EMC
  • Total Questions
    :344 Q&As
  • Last Updated
    :Jul 08, 2026

EMC E20-555 Online Questions & Answers

  • Question 241:

    A customer created eight SyncIQ policies on a 6-node Isilon cluster. The policies all start at midnight. The customer is experiencing issues where several jobs are paused while others continue to run. This is delaying the overall replication of data.

    What is the most likely reason for the pausing of some of the SyncIQ jobs?

    A. An Isilon cluster can only have five concurrent SyncIQ jobs running at the same time.
    B. An Isilon cluster can only have one SyncIQ job running at any one time.
    C. SyncIQ only allows one job per node. This cluster can only run six SyncIQ jobs concurrently.
    D. SyncIQ will stagger the start of all SyncIQ jobs. Jobs after the first job are delayed.

  • Question 242:

    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

  • Question 243:

    If a file is 4 KB in size, how much space is consumed for file data when it is written to the Isilon cluster?

    A. 4 KB
    B. 8 KB
    C. 16 KB
    D. 32 KB

  • Question 244:

    On Isilon Gen 6 nodes, what is used to store the peer journal copy?

    A. Shared SSD
    B. M.2 drive
    C. Shared NVRAM
    D. Shared cluster disks

  • Question 245:

    A customer plans to replace an existing array that is supported by the MiTrend Workload Profile Assessment (WPA) service. You receive performance data from the customer and run a WPA report that shows the array has 50TB of usable capacity.

    In discussions with the customer, you learn the content is comprised of four million 6MB files and 400 million 64KB files. The customer explains they have a small budget and very limited rack space available in their datacenter. Performance is not a concern because the files are rarely accessed.

    Which configuration provides the needed usable capacity using N+2:1 protection, and requires the least amount of rack space?

    A. 3 x NL400 nodes with 2TB Drives
    B. 3 x X400 nodes with 1TB Drives
    C. 5 x X200 nodes with 1TB Drives
    D. 6 x X200 nodes with 1TB Drives

  • Question 246:

    A potential customer has 540TB Raw capacity of NetApp running in ONTAP 7-Mode. They are willing to let you gather some workload data. Their authentication sources are LDAP and Active Directory. Their users are primarily Windows Clients. They are very interested in Automated Tiering and Large Scale Archives. They are not certain about the workflows from the Marketing Department. The Content Team will only say they need to acquire 300 TB within 90 days. They do not know the average file size or the number of aggregates they are managing.

    Which tool(s) would you use next to complete your sizing?

    A. MiTrend WPA, Autosupport, and PerfCollect
    B. Isilon Cluster Sizing Tool
    C. Wireshark, isi statistics, and iostat
    D. Isilon Insight IQ, OnCommand Insight, and nfsstat

  • Question 247:

    Which service daemon do FTP and FTPS use to transfer files to and from the cluster?

    A. ftpsd
    B. vsftpd
    C. sftpd
    D. ftpd

  • Question 248:

    What should be avoided when designing snapshot schedules?

    A. Using aliases
    B. Manual snapshot deletion
    C. Running the SnapshotDelete job
    D. Setting an expiration

  • Question 249:

    If snapshots are configured for the InsightIQ datastore on Isilon and the datastore is reverted to a previous snapshot, what might be the result?

    A. InsightIQ datastore cannot be reverted
    B. InsightIQ database will have to be manually copied from the snapshot
    C. InsightIQ datastore could be corrupted
    D. InsightIQ will not recognize the older copy of the database

  • Question 250:

    A customer has a cluster of 16 A200 nodes. Due to recent and forecasted growth, they have decided to expand the cluster by an additional 24 A200 nodes. How many neighborhoods will exist on the cluster when all nodes have joined the cluster?

    A. 1
    B. 2
    C. 4
    D. 6

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