EMC Storage Technology Foundations - E20-001 Exam Questions [2026]

QUESTION NO: 1
When is data copied from the source to the target using Copy on First Access replica technology?

A. All reads issued to a location on the source B. All writes issued to a location on the source C. A write issued for the first time to a location on the source D. A read issued for the first time to a location on the source

Correct Answer: C

QUESTION NO: 2
A business wants to back up 1 TB of data containing 100,000 files and another 1 TB of data containing 1 million files. Which would take more time?

A. Both will take same time. B. Number of files is irrelevant. C. 100,000 files D. 1 million files.

Correct Answer: D

QUESTION NO: 3
How can an organization reduce vulnerabilities to their environment?

A. By minimizing attack surface and maximizing work factor B. By minimizing both attack surface and work factor C. By maximizing both attack surface and work factor D. By maximizing attack surface and minimizing work factor

Correct Answer: A

QUESTION NO: 4
Which Celerra component allows management of volumes and file systems?

A. Disk Array Enclosure B. Data Mover C. Control Station D. Storage Processor

Correct Answer: C

QUESTION NO: 5
What is a standard layer that resides between managed objects and management software?

A. HDA B. CIFS C. FC-SW D. SMI-S

Correct Answer: D

QUESTION NO: 6
Which storage device requires the least data access time?

A. Optical Disk B. Jukebox C. Hard Disk D. Tape

Correct Answer: C

QUESTION NO: 7
What attribute other than individual identity or group membership can be used to restrict access in the context of information security?

A. Role B. Shared Testwords C. HBA World Wide Name D. Host network address

Correct Answer: A

QUESTION NO: 8
Which fibre channel identifier is analogous to a MAC address used in IP networking?

A. iSCSI Address B. Domain Name C. World wide name D. FC address

Correct Answer: C

QUESTION NO: 9
What channel is valid for connecting storage arrays directly to IP networks for remote replication?

A. ESCON B. Gigabit Ethernet C. SCSI D. FC

Correct Answer: B

QUESTION NO: 10
What is a purpose of iSNS?

A. To translate EUI-format names into iQN-format names B. To translate iQN-format names into EUI-format names C. To assist with discovery of iSCSI targets D. To implement TCP offload for better bandwidth

Correct Answer: C

QUESTION NO: 11
Why do array based local replication technologies track changes made to source and target devices after the creation of a replica?

A. For faster re-synchronization B. To lower Recovery Time Objective C. To allow multiple replicas D. For faster initial synchronization

Correct Answer: A

QUESTION NO: 12
What is a remote replication solution for EMC CLARiiON storage systems?

A. TimeFinder B. Snap View C. Mirror View/A D. SRDF/AR

Correct Answer: C

QUESTION NO: 13
In which management task would you collect and analyze ISL traffic metrics?

A. Availability B. Security C. Performance D. Health

Correct Answer: C