EMC E20-001 Actual Free Exam Questions & Community Discussion

Exam Code/Number: E20-001
Exam Name/Title: Storage Technology Foundations
Certification Provider: EMC
Corresponding Certification: Legato Cert

Exam Questions: 361
Updated On: Sep 24, 2026

Question #1

A pointer based replica has been created. Source devices are being used for production operations. When is data copied from the source to the save location?

A. All writes to a location on the source

B. All reads from a location on the source

C. First write to a location on the source

D. First read from a location on the source

Discussion 0

Correct Answer: C Vote an answer

Question #2

How can one gain unauthorized, administrator access?

A. Session hijacking

B. Spoofing user identity

C. Network sniffing

D. Data snooping

Discussion 0

Correct Answer: B Vote an answer

Question #3

During EMC CLARiiON Mirror View/A remote replication, the communication link between a mirror's primary image and its secondary image fails. What is the state of the secondary image?

A. Inconsistent

B. Synchronizing

C. Independent

D. Fractured

Discussion 0

Correct Answer: D Vote an answer

Question #4

What is CIM?

A. A measure of the rotational speed of a disk drive

B. A language and methodology for describing management data

C. A standard for file share modeling, visualization, and management

D. A block-level disk drive I/O protocol

Discussion 0

Correct Answer: B Vote an answer

Question #5

What does partitioning do to a physical disk?

A. Presents the disk as one logical volume

B. Mirrors the disk

C. Concatenates the disk together with other disks

D. Divides a disk into logical containers

Discussion 0

Correct Answer: D Vote an answer

Question #6

Which server component is virtualized by swap files?

A. HBA

B. NIC

C. Memory

D. Storage

Discussion 0

Correct Answer: C Vote an answer

Question #7

What is the write penalty in RAID 5?

A. 6

B. 2

C. 4

D. 1

Discussion 0

Correct Answer: C Vote an answer

Question #8

A company plans to deploy a business continuity solution between two FC SANs which are 200 Km apart. What is the recommended solution?

A. IP switches communicating over TCP

B. FCIP gateways communicating over TCP/IP

C. FC switches communicating over FCP

D. Native iSCSI communicating over TCP/IP

Discussion 0

Correct Answer: B Vote an answer

Question #9

How can you recover from a loss of confidentiality?

A. Confidentiality cannot be recovered

B. Combine detective and preventive controls to prevent the loss

C. Deterrent controls are sufficient to prevent the loss

D. Implement backup and restore processes

Discussion 0

Correct Answer: A Vote an answer

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