E20-027 Exam Questions

What is the significance of classifying applications for data availability requirements?

What is a use for a test report document in the implementation of a business continuity solution?

What is an example of a capital cost savings?

A customer's environment has web servers that need to be backed up. They have limited backup media and require faster recovery. The daily data change rate is at 10 percent. Which b...

A construction company has a LAN-connected application server that is used to provide different design views of a construction site. The application server generates four 20 MB eng...

A company replaces its legacy servers with new servers every three years. Because the administrator needs to apply the same system settings as the legacy servers, the upgrade takes...

What is a key advantage of using a write-acceleration technique in a backup environment?

An organization has used a cloud-based backup service to store a large volume of its e- mail data. The organization now wants to restore the backed up data. However, they have limi...

An organization wants to deploy a centralized backup and data deduplication solution for its backup environment. Currently, the organization is backing up data locally at offices l...

When using a virtual tape library, what is considered a "blind spot"?

A company is performing a backup to a virtual tape library. They want to export virtual tapes to physical tapes. The backup administrator suggests connecting the physical library t...

An organization has a large amount of legacy data and plans to move from its existing tape backup infrastructure. They have a strict compliance requirement of retaining backup data...

A company is using EMC NetWorker and a tape device to back up all data generated by different application servers. What needs to be performed to achieve faster recovery of the appl...

What is a minimum configuration for an EMC Avamar server using Redundant Array of Independent Nodes (RAIN)?

What accurately represents replicating from a standard (thick) device to a thin device?

A company has requested your assistance in designing save area LUNs in a pointer-based virtual replication. The design needs to consider the following: - Number of concurrent repli...

A company has requested your assistance in designing save area LUNs in a pointer-based virtual replication. The design needs to consider the following: - Number of concurrent repli...

What represents the restore operation in full volume mirroring?

What accurately represents an LVM-based remote replication solution?

What accurately represents the process of replicating from a standard (thick) device to a thin device?

A pointer-based virtual replica is created from a point-in-time (PIT) copy of a source LUN. What is the impact of resynchronizing the copy on the pointer-based virtual replica?

A pointer-based virtual replica is created from a full volume mirror. What is the impact of restoring from the mirror on the pointer-based virtual replica?

Which parameters determine the size of a bit map in full volume mirroring?

If a file system is unmounted prior to the creation of the replica, what is the possible result?

A company is planning to deploy synchronous array-based remote replication between two sites over 13 MB/s ESCON links. The two sites are 50 miles apart. The workload profile of the...

A company is planning to deploy synchronous remote replication between two sites over 13 MB/s ESCON links. The two sites are 50 miles apart. The workload profile of the application...

An organization is using asynchronous remote replication between two sites. Based on business requirements, they want to reduce their RPO without making a significant investment. T...

Asynchronous remote replication over a 10 Gb/s Fibre Channel link is planned between sites. If the upper limit of buffer-to-buffer credits is 180 and link utilization is 60%, what...

Asynchronous remote replication over a 2 Gb/s Fibre Channel link is planned between sites that are 50 kilometers apart. How many buffer-to-buffer credits need to be configured to e...

Two sites are connected through an IP network that uses an MTU size of 9,000 bytes for remote replication. However, an intermediate network does not support this packet size. Which...

In a synchronous replication design, what is the key consideration regarding the volume write limits (VWL)?

While designing an asynchronous array-based remote replication solution, which factors should be considered?

What is a key reason for deploying a three-site remote replication solution?

What accurately represents a fundamental attribute of CDP replication?

A company has implemented SAN-based remote replication to perform a migration from a high-end storage array to a midrange storage array. Both arrays are connected to the same SAN....

A company is planning to migrate data from a high-end storage array to a midrange storage array. Both arrays are on the same SAN. The company has scheduled a date for the completio...

Refer to the Exhibit. In a cascade three-site remote replication, the cycle time between the Bunker and Remote targets is 30 seconds and data transfer takes 10 seconds. In the even...

Refer to the Exhibit. In a cascade three-site remote replication, the Bunker and Remote targets are synchronized every two hours and data transfer between them takes 30 minutes. In...

A database is using ten 9 GB devices. Continuous data protection (CDP) will be deployed to provide recovery to any point in time within a 48-hour window. The estimated rate of chan...

A database is using ten 8 GB devices. Continuous data protection (CDP) will be deployed to provide recovery to any point in time within a 24-hour window. The estimated rate of chan...

How do EMC RecoverPoint signatures reduce the bandwidth requirement when transferring data to a remote site?

An organization is using EMC Celerra Replicator v2 to perform iSCSI LUN replication. Which factors must be considered when calculating the replica size of the Celerra iSCSI volume?

An organization is using EMC Celerra Replicator v2 to replicate a file system to a remote Celerra. The organization needs to change its file system's recovery point objective by 10...

In a company's environment, data from a non-EMC array needs to be migrated to an EMC Symmetrix array using Open Replicator. Before proceeding with the migration design, what should...

An organization's corporate and 15 regional offices are between 1,000 - 2,000 kilometers apart from each other. Each regional office has a data center that serves between four to s...

What is an important consideration while deploying an e-mail archiving solution?

An effective compliance infrastructure should be based on three pillars, one of which is regulatory compliance. What are the other two components?

An organization has implemented a content addressable storage (CAS) solution to archive their fixed content data. The CAS is being replicated to a remote site to enable a disaster...

In order to create an effective archive compliance infrastructure, which areas need to be addressed?

Which criteria is used by Volume Extender to move files to the low-end tier from a high-end tier?