Cloudant is defined by which of the following?
A. A column/family store
B. A graph database
C. A JSON document store
D. A key/value store
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
質問 2:
On startup, the NameNode enters a special state called Safemode. Replication of data blocks does not occur when the NameNode is in the Safemode state. The NameNode receives Heartbeat and Blockreport messages from the DataNodes. Which of the following contains the list of data blocks that a DataNode is hosting?
A. Replica
B. Blockreport
C. Rack Awareness
D. Snapshot
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
質問 3:
What is the effective meaning of "NoSQL"?
A. It does not permit the use of SQL
B. It is not limited to relational database technology
C. It does not have tables or schemas
D. It does not permit UPDATE
正解:C
解説: (Pass4Test メンバーにのみ表示されます)
質問 4:
In computer science, which of the following represents a set of properties that guarantee that database transactions are processed reliably?
A. Foreign Key
B. ACID
C. Buffer Cache
D. Primary Key
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
質問 5:
A financial company stores all enterprise data for five years in their Teradata data warehouse that costs them expensive storage. The company started an initiative to move historical data to a Hadoop environment and uses federation method to access both sets of data. What would be the IBM Big Data value proposition for this use case?
A. Pure Data for Analytics
B. InfoSphere Information Server
C. IBM Logical Data Warehouse and IBM Big SQL
D. Enterprise Data Warehouse
正解:C
質問 6:
Which one of the following statements is TRUE?
A. Big SQL executes queries locally on Big SQL server single node on a multi node cluster
B. Big SQL only works with HDFS
C. Big SQL can process queries in parallel and executes queries locally
D. Big SQL uses Hadoop MR framework to process query tasks in parallel
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 7:
In BigSheets you can add sheets to workbooks to progressively edit and explore your data. Which of the following is a CORRECT list of types of sheets that BigSheets provides and can contain predefined logic for analyzing data?
A. Distinct, Join, Stored Procedure
B. Copy, Formula, Update
C. Filter, Insert, Union
D. Complement, Limit, Group
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 8:
You are designing storage for a new Hadoop cluster. Which of the following statements is TRUE regarding the usage of SAN or NAS?
A. SAN or NAS can be used to support retention policies
B. SAN or NAS should not be used to set up HDFS
C. SAN or NAS must be used, if available, to provide backup capabilities
D. SAN or NAS cannot be used if your Hadoop cluster spans 2 sites
正解:B
解説: (Pass4Test メンバーにのみ表示されます)