Isilon Infrastructure Specialist Exam for Technology Architects 認定 E20-553 試験問題:
1. How can an Isilon cluster simplify a Hadoop workflow that analyzes large amounts of log data written to storage using FTP and where results are viewed by Microsoft Windows clients?
A) SmartConnect directs clients to an external Hadoop NameNode and to SMB shares so data ingest, analytics, and results phases are transparently directed.
B) FTP and SMB protocol support covers log ingest and Windows clients; SmartPools will stub to HDFS helping to reduce the frequency of external data migration.
C) FTP, SMB, and HDFS NameNode and DataNode protocol support on the same file system enables each workflow step to access data from the same location avoiding data migration.
D) SyncIQ migrates the log data between an Isilon cluster and another Hadoop cluster, retrieves results from the Hadoop cluster, and stores them in an SMB share.
2. A customer wants an N+3 protection level on a cluster. What is the minimum number of nodes that needs to be purchased to achieve that level of protection?
A) 6
B) 7
C) 8
D) 3
3. Which technology is used by Isilon OneFS to re-write data when a disk read fails?
A) NVRAM
B) CRC
C) Dynamic Sector Repair
D) Isilon Data Integrity
4. An Isilon customer has a replication policy setup between a primary cluster and a secondary cluster. After the initial synchronization of the clusters, the primary cluster starts to exhibit issues so the customer initiates a failover operation between the two clusters.
During the failover, the primary cluster becomes fully operational again. The customer would like to stop the failover operation between the two clusters.
What is the best way to stop the failover operation and continue using the primary cluster?
A) Delete the primary clusters' snapshot of this data
B) Nothing; this is an automatic process
C) Initiate a failover revert on the secondary cluster
D) Initiate a failover revert on the primary cluster
5. Which Isilon feature provides the ability to build a cluster using different node types and tiers to meet a customer's business objectives?
A) SmartPools
B) SmartConnect
C) SnapshotIQ
D) SmartQuota
質問と回答：
| 質問 # 1 正解： C | 質問 # 2 正解： B | 質問 # 3 正解： C | 質問 # 4 正解： C | 質問 # 5 正解： A |
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