EMC E20-001 - Storage Technology Foundations
- Exam Code: E20-001
- Exam Name: Storage Technology Foundations
- Updated: Aug 04, 2026
- Q & A: 361 Questions and Answers
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| Section | Weight | Objectives |
|---|---|---|
| Networked Storage Technologies | 25% | - Content Addressed Storage (CAS) - Storage Area Network (SAN) - Network-Attached Storage (NAS) - IP SAN and Fibre Channel SAN - Direct-Attached Storage (DAS) |
| Business Continuity | 15% | - Business Continuity Terminology - BC Planning Process - High Availability and Disaster Recovery - BC Solutions and Technologies |
| Introduction to Information Storage | 15% | - Evolution of Storage Architectures - Storage Infrastructure Components - Data and Information Management |
| Backup, Archive and Replication | 15% | - Archive Solutions - Local and Remote Replication - Backup Architectures and Technologies - Backup Concepts and Strategies |
| Storage Systems Architecture | 20% | - RAID Technology and Implementation - Intelligent Storage Systems - Storage Provisioning and Management |
| Storage Security and Virtualization | 10% | - Virtualization Types and Benefits - Security Threats and Controls - Storage Virtualization Concepts - Storage Security Framework |
1. What is true about pointer-based virtual replication?
A) Source can not hold more than 30% of the changed data
B) Source need not be healthy for restore
C) Replica can not hold more than 30% of the changed data
D) Less storage required for the replicas
2. Which feature assures that the stored content has not been altered in the CAS system?
A) Content Security
B) Content authenticity
C) Content integrity
D) Single instance storage
3. A Copy on First Access target is being used for decision support operations. When is data copied from the source to the target?
A) All writes issued to a location on the target
B) A read issued for the first time from a location on the source
C) All I/Os issued to a location on the target
D) A read or write issued for the first time to a location on the target
4. Which type of front-end port is found on an intelligent storage system used in a SAN?
A) SCSI
B) EIDE
C) FC
D) ATA
5. What is host memory?
A) Control point for all host activities and resources
B) Connection for parallel communication devices
C) Temporary location for commands and data
D) High speed interconnect between the CPU and memory
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: C |
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