E20-885 Exam Questions

Click on the calculator icon in the upper left-hand corner. A SQL database requires 1,000 I/O per second with 85% reads and 15% writes. If RAID 1/0 is used, what is the total numbe...

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...

Exchange 2010 is installed on a virtual machine using VMDK files. Replication Manager is being used to take snapshots of the virtual machine files and back them up to disk. After a...

A customer configures SnapView clones on their EMC VNX. A 512 GB clone is fractured for 5 minutes. The source LUN performs fifty 16 KB random writes per second. The clone resynchro...

You are deploying Exchange 2010 using a VMware virtualized infrastructure. A large VMFS partition will support the operating system binaries for four mailbox servers. RDM devices w...

Which failover mode must be configured to use vStorage APIs for Array Integrate (VAAI) functionality?

Before creating a CIFS server that will participate in a Windows Domain, what EMC best practice should you follow?

A user is preparing to install a disk drive. Where can they verify that the disk drive is compatible with the VNX system?

A customer plans to implement and replicate CIFS on two new EMC VNX. The customer's existing environment recently suffered a long outage due to a computer virus. The customer wants...

A customer plans to virtualize their SQL databases on an EMC VNX. They are most concerned about database performance. How should they design the SQL layout?

Click on the calculator in the upper left-hand corner. An Exchange 2010 environment with 60% reads and 40% writes will be configured on an EMC VNX using RAID 1/0 15K SAS drives. Th...

A customer has an existing DR solution using SRDF between Symmetrix at their source and backup sites. TimeFinder Clones are also used at the backup site. A new VNX is installed at...

A customer wants to reduce the performance impact incremental SAN Copy (ISC) has on their source LUN. They plan to use a clone between the current source and destination LUNs, and...

A vSphere ESXi 5.0 server is connected to a VNX LUN with several virtual machines on VMFS datastores. An administrator wants to take a snapshot of one of the virtual machines on th...

An implementation engineer installs a DR solution to protect ten CIFS shares at site A. VNX Replicator will be used to replicate the shares from Site A to Site B. How many VDMs sho...

A customer has a Windows-only environment connected to an EMC VNX for File at their main campus site. The customer plans to install a new EMC VNX at a remote branch office site. Th...

A customer creates an incremental SAN Copy (ISC) session for a 200 GB LUN on an EMC VNX. The session fails to start, and the customer notes the RLP (reserved LUN pool) contains 300...

A customer creates a Remote Mirror of a 1 GB RAID 5 pool LUN. The primary LUN is presented to a Windows storage group. The customer wants to add a Secondary Image to the Remote Mir...

A storage administrator creates a new file system on their EMC VNX. They observe that the new file system does not perform as well as the first set of file systems they created. AV...

A customer has recently installed ESXi 5.0 on a five host cluster attached to an EMC VNX using FCoE. EMC PowerPath/VE has been installed on all hosts in the cluster for load balanc...

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...

A customer plans to place their SQL server transaction logs on an EMC VNX. The customer provides the following information about their SQL environment: - Database block size is 8 K...

You are implementing SAN Copy for Linux hosts connected to an EMC VNX using FC and iSCSI connectivity. There are eight queued sessions and multiple applications contending for band...

A corporation has configured highly available CIFS file systems with VDMs. Replication is configured from a primary site to a secondary site. During testing, the VDM and user file...

A customer configures SnapView clones on their EMC VNX. A 256 GB clone is fractured for 10 minutes. The source LUN performs fifty 32 KB random writes per second. The clone resynchr...

A shipping company tracks shipments and customer data using an Oracle 10g environment with ASM. There are several EMC VNX LUNs presented to Oracle. What ASM feature will help avoid...

A company has two locations and wants to implement a DR solution for their Exchange databases. The following requirements factor into their SLA: - Multi-application support. - Cont...

A customer has implemented RecoverPoint/CDP to replicate their Oracle database environment. They must be able to recover the database in the event corruption occurs during replicat...

An ISP will provide infrastructure to clients as part of a cloud computing strategy. They are concerned about their storage requirements and supporting the many small customer envi...

You review a Perfmon log that contains several days worth of data for a customer's SQL Server database LUN. The log contains both read and write I/O per second collected at 3- minu...

Click on the calculator icon in the upper left-hand corner. A customer is deploying an Exchange 2010 environment on an EMC VNX. There will be 30,000 mailboxes distributed across ma...

You configure an EMC VNX for iSCSI-attached Linux hosts. The customer's application generates small, random I/O and the data is frequently re-accessed. The customer has a limited n...

Which part of the VNX initiates failover of a Blade?

A customer configures a SAN Copy session. They connect to the destination storage system and select a destination LUN. When they run the SAN Copy session, it fails. What could be a...

You are installing a new EMC VNX. All flash drives will be provisioned for FAST Cache. The VNX has the following hardware: 6 DAEs 24 Flash drives 24 SAS drives 24 NL-SAS drives How...

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

A customer plans to migrate from an EMC CLARiiON to a new EMC VNX. They want to migrate some of the CLARiiON LUNs to thin LUNs on the VNX. Which SAN Copy configuration will allow t...

A client is planning a virtualized SQL Server environment with remote protection. They need virtual machine consistent, point-in-time copies of the database as backups. Which optio...

A customer runs a CAD/CAM application on an EMC VNX for File. The application is accessed by users at multiple sites. The users report degraded response during peak access periods....

A storage pool used for FAST VP has the following configuration: Flash drives: 1,000 GB, with 500 GB free SAS drives: 5,000 GB, with 1,500 GB free NL-SAS drives: 19,000 GB, with 3,...

A VNX storage system has four 15-drive DAEs. There are fifteen flash drives installed in a single DAE. The customer plans to implement traditional LUNs for this configuration. What...

A SAN administrator creates a SAN Copy session between two EMC VNX using Navisphere Secure CLI for a single database LUN. The session starts copying but fails to complete. What is...

A customer uses Replication Manager Version 5 to make replicas of their Windows 2003 server. The customer installs a new Windows 2008 server and tries to mount the replica. The cus...

A customer has used the EMC VNX AVM feature to create a number of file systems. There are fourteen RAID 5 (4+1) LUNs presented to AVM as VNX disk volumes. After the file systems ar...

You plan to migrate from an EMC CLARiiON to an EMC VNX. The VNX will present CIFS shares to several Windows application hosts. What tool would you use to test the performance metri...

What optional authentication method is supported when using NFS Version 3?

Where are VNX SnapView fracture logs stored?

A storage administrator creates a clone of a source LUN. Which command should be used to make the clone available to the secondary server?

A customer is concerned about performance on their EMC VNX. The VNX provides storage for several Windows and UNIX application servers. By monitoring the switches, they notice heavy...

A customer requests a performance review of their EMC VNX before FAST Cache is implemented. You notice a dedicated LUN has a read size of 4 KB, and the disks are performing reads o...