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EMC E20-538 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Celerra Architecture | 20% | - Data Mover functionality - Control Station role - System components |
| Celerra Core Components | 15% | - File systems and storage pools - High availability design - Network connectivity |
| Connectrix and SAN Fundamentals | 15% | - Storage provisioning - Network protocols - SAN integration |
| NAS Backup, Recovery & Replication | 30% | - Performance monitoring - Disaster recovery - Backup strategies - Replication technologies |
| Implementing Celerra Solutions | 20% | - Quota management - CIFS configuration - NFS exports setup |
EMC Network Attached Storage (NAS) Specialist Exam for Storage Administrators Sample Questions:
1. Which describes how a Usermapper client resolves a Windows SID to UNIX UID/GID?
A) Uses the ntxmap.conf file first, then the Data Mover secmap cache
B) Broadcasts over the internal Celerra network for a primary or secondary Usermapper service
C) Uses the resolution order defined in the Data Mover nsswitch.conf file
D) Broadcasts over the internal Celerra network for secmap cache on server_2
2. What protocol requires that the Data Mover and Windows domain controller be time-synchronized for a successful CIFS server join to occur?
A) Kerberos
B) NTLM V2
C) LAN Manager
D) NTLM V1
3. Which Celerra-only networking feature can span multiple physical Ethernet switches?
A) Fail-Safe Network
B) Link Aggregation
C) Ethernet channel
D) Virtual Data Mover
4. You are asked by management to create a project directory and track the individual user consumption in this directory using Celerra quota features. No limits should be enforced.
What would be part of an appropriate procedure to satisfy this requirement?
A) Set up a user quota on the share; specify the limits with the keyword "none" in the CLI
B) Set up a tree quota on the new directory; set up a user quota on the quota tree; specify the limits for the tree quota and user quota with a value of zero in the GUI
C) Set up a user quota on the file system (accommodating the new directory); specify the limits with the keyword "none" in the GUI
D) Set up a tree quota on the new directory; leave the two fields specifying the limits for the quota tree and the user quota blank in the Unisphere GUI
5. A storage administrator is considering implementing an iSCSI solution. What is one reason to justify the decision?
A) An iSCSI solution will provide higher performance compared to a regular SAN solution
B) A native iSCSI solution will use existing SAN Fibre Channel switches
C) iSCSI offers a solution for consolidating servers using the existing network infrastructure
D) iSCSI is more secure than a SAN solution
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A | Question # 3 Answer: A | Question # 4 Answer: D | Question # 5 Answer: B |








