E20-885 Exam Questions

What is the default file system type when creating a File System on a VNX?

A customer plans a DR test for their CIFS DR solution using EMC VNX. The customer needs to confirm users will be able to access data at the DR site in the event of a source site di...

A customer plans to implement shared vSphere datastores using the NFS protocol in their environment. Their VMware support staff has concerns about their administration of these dat...

A customer has the following virtualized environment: - One EMC VNX providing thin LUNs to a VMware ESX v4.0 host - Five VMs running critical OLTP systems supported by one or more...

A customer has an ESX 5.0 environment attached to an EMC VNX with VAAI enabled. They would like to Storage vMotion a guest host to another datastore. How does enabling VAAI on the...

A customer configures replication between two Data Movers for their VDM environment. The primary Data Mover has one 1 Gb copper ethernet port and the destination Data Mover has one...

The SQL database and transaction logs have been physically isolated on separate RAID groups. What other actions can be taken to optimize SQL performance?

A customer recently added several new applications to an EMC VNX. Some of the new applications are experiencing very long response times. The customer suspects a high TCP retransmi...

A customer uses MirrorView/S to replicate their production data from Site A to Site C. The production Oracle server is located at Site A and has access to LUNs 101 and 102. LUNs 10...

A customer wants to test the workload response of a newly-implemented EMC VNX for File that will support a Windows client environment. The customer confirms the application workloa...

A customer plans to use SAN Copy to make consistent copies of their Windows 2003 and 2008 production environment at their remote site. Before starting the SAN Copy session, what ac...

A customer has two EMC VNX configured to replicate between sites. Each VNX has dual Control Stations. The primary Control Station at the source site fails at 6 p.m. and reboots. At...

A customer is running Exchange 2010 on an EMC VNX. The customer recovery SLA mandates they cannot lose more than 10 MB of mail data, and the mail system cannot be down for more tha...

A customer has vSphere v4.x hosts connected to an EMC VNX with thin provisioned pools. They report capacity shortages even after deleting or migrating some VMs. You recommend the c...

Click on the calculator in the upper left-hand corner. A company plans to migrate their 10 TB Oracle 10g database to a new EMC VNX with FAST Suite and FAST Cache. What is the recom...

Two new EMC VNX were implemented at a customer's primary and backup sites. Each VNX has a single active Data Mover. Multiple VDMs are configured on both VNX, each with a CIFS file...

A customer has three production hosts connected to a VNX. Each host has two 150 GB LUNs in the same RAID 5 (4+1) RAID group. Replication Manager is configured to take SnapView snap...

A customer has several legacy servers running different Oracle versions. The legacy servers are not connected to shared storage. The customer wants to consolidate the legacy server...

You are planning an Exchange 2010 environment. The customer's environment has 500 users. On average, each each user sends 90 and receives 60 messages daily. The average message siz...

How many clones can be created from a single source LUN?

An administrator creates a 500 GB file system and implements VNX SnapSure on it. What is the initial size of the SavVol that was created?

Which VNX RAID type is suggested for the greatest data protection at the greatest cost in disk space?

In addition to EFD 3.5, which drive options are supported in VNX series arrays?

What is the maximum number of backend I/Os generated for every write to the PFS involved in a SnapSure checkpoint?

A customer has two VNX systems: - At the local site, a VNX capable of performing 10,000 LUN IOPS - At the remote site, a VNX capable of performing 7,000 LUN IOPS At the local site,...

A customer is using VNX Replicator to replicate data from a single file system to a remote location. They are planning to replicate more file systems, but monitoring tools are show...

You are implementing a VNX solution for a Windows-only host environment. The customer tells you that current host performance is poor, and that the new solution should improve it b...

What is a benefit of upgrading to RecoverPoint/SE 4.0 for users of VMware SRM?

You are implementing a VNX using AVM, and you cannot create any more dvols from their remaining classic LUNs to create a stripe volume. What could be a reason for this?

A customer has two sites, with a VNX system at each site. The local site has four application LUNs of 512 GB each. They are replicated to the remote site with MirrorView/S. The lin...

A customer has a highly active ordering application with a R/W ratio of 2:1. The application peaks at about 16,000 application IOPS during the day. What is the minimum required num...

A customer is asking you for help. They are creating a script that will collect data from the array using CLI from the Control Station. They want to gather information on power con...

A customer needs to deploy an EMC RecoverPoint/SE cluster with the minimum configuration. How should the IP addresses be configured?

A customer has a newly installed EMC RecoverPoint cluster with vRPA configuration. The IP based replication is not working. The newly installed vRPA VNX splitter is shown as down....

During file system replication, which VDM information is replicated to ensure CIFS data will be user accessible?

You are implementing a VNX into a CIFS environment. Which server_mount command option should you use if the file system consists of database data files?

A customer wants to expand FAST Cache on their VNX with MCx. They are concerned about performance impact until the new FAST Cache has been created. What advice would you give the c...

Refer to the exhibit. A VNX Snapshot is started on a thick LUN at 09:37. The customer wants to know why throughput drops gradually after the 09:49 data point. What should be your e...

A customer used the EMC VNX AVM feature to create a number of file systems. New LUNs were recently presented to AVM as VNX disk volumes. After the first file system is created, the...

You are investigating a performance problem on a VNX. The customer is using the array for storage for their VMware servers, which is connected through a dual port 10G iSCSI IO modu...

When creating a clone, what size must the clone be when compared to the source LUN?

A customer wants to implement file system replication between two EMC VNX systems. The source production file system contains data from a random workload that resides in a pool com...

A Storage Administrator with a VNX Unified solution is using the CLI to monitor daily storage performance. They must type long commands to identify and examine their particular des...

How many VNX arrays can be used to source replication volumes for a single RP/SE cluster using vRPAs?

What is the default file system type for a File System on a VNX?

A customer wants to deploy an Exchange 2010 farm doing 8,400 IOPS with a R/W ratio of 1/1. The total amount of space needed is 7,500 GB. What would you recommend the storage config...

You are installing a new VNX and need to implement a Storage Pool on the array. Disks are available and must be set up as follows: - 10, 400 GB SSD in R10 (4+4) for the Extreme Per...

You have been working with a customer of a Unified VNX. The customer is storing a very large number of files in a single file system that originally was 12 TB in size. File level d...

A customer wants to deploy a high performance OLTP environment doing 10,000 IOPS with a R/W ratio of 3/2. They want to make use of VNX Snapshots. The total amount of space this dat...

You receive a call from a customer asking why they are not getting optimal performance on their new Block pool LUNs that they created last week. How could the customer obtain more...