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EMC DES-1415 Exam Syllabus Topics:
| Section | Weight | Objectives |
| Configuration and Implementation | 25% | - Protocols
- 1. S3 Object and Swift protocols
- 2. SMB, NFS, and HDFS setup
- Network Configuration
- 1. Access Zones
- 2. Groupnets, Subnets, and IP Pools
|
| PowerScale Hardware Concepts | 20% | - Cluster Architecture
- 1. Chassis, sleds, and networking requirements
- 2. InfiniBand back-end connectivity
- Node Types and Models
- 1. F-series, H-series, and A-series specifications
|
| Cluster Administration and Data Services | 25% | - Performance and Monitoring
- 1. SyncIQ for replication
- 2. Job engine and SmartQuotas
- System Management
- 1. WebUI, CLI, and Platform API
- 2. Event Notification and Alerting
|
| PowerScale Hardware Installation | 12% | - Node Initialization
- 1. Cluster formation and IP addressing
- Racking and Cabling
- 1. Rack layout and power requirements
- 2. External network connectivity
|
| PowerScale Software Concepts | 18% | - OneFS Architecture
- 1. SmartPools and Data Placement
- 2. File system architecture and protection
- Data Protection
- 1. Mirroring and Erasure Coding
- 2. SnapshotIQ
|
EMC Specialist - Technology Architect, PowerScale Solutions Sample Questions:
1. Which service daemon is used by FTP and FTPS to transfer files to and from the cluster?
Response:
A) ftpd
B) ftpsd
C) sftpd
D) vsftpd
2. A cluster has user quotas configured for user's home directories with hard limits and advisory limits set. What would the default setting be for calculating user quotas on the cluster?
Response:
A) User data, snapshot data, and data protection overhead
B) User data and snapshot data only
C) User data only
D) User data and data protection overhead only
3. You are adding a new node to an existing cluster. What OneFS function should you use to remove the old nodes from the cluster?
Response:
A) AutoBalance
B) SmartPools
C) SmartFail
D) SyncIQ
4. A media and entertainment company has asked for help in creating a new Video On Demand (VOD) storage system. The storage would be delivered to 5000 subscribers simultaneously. They would like to store 5000 hours of full length, High Definition (HD) movies.
What would be the best price-to-performance nodes for this solution?
Response:
A) X400 with no SSD and 96GB RAM
B) X200 with no SSD and 48GB RAM
C) Mixed X400 48GB RAM and NL400 24GB
D) X400 with 1.6TB SSD and 24GB RAM
5. An Isilon cluster is configured with SmartConnect zones using dynamic IP address allocation. Failback is enabled. What happens to the IP address in the event of a node failure?
Response:
A) IP address is no longer used and a new connection needs to be made.
B) IP address is moved to a new node and the connection continues.
C) The connection must be re-established by the client.
D) IP address is moved to a new node but the connection does not continue.
Solutions:
Question # 1 Answer: D | Question # 2 Answer: A | Question # 3 Answer: C | Question # 4 Answer: A | Question # 5 Answer: B |