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  NCR Teradata认证nr0-011考试题库介绍

  考试代号: nr0-011
  问题数量:81 Q&As
  
  更新时间: 2009-09-26
  注册地点: Prometric/Pearson VUE
  题库全称:Basics V2R5 Practice Exam Questions

  免费nr0-011题库Demo赏析

  　
  　
  Exam : NCR Teradata NR0-011
  Title : Teradata Basics V2R5

  1. You are designing a data warehouse which your customers will use for long range strategic planning and to answer "what if" type questions.
  What type of system should you design?
  A.DSS
  B.ODS
  C.OLTP
  D.RDBD
  Answer: A

  2. Which three are characteristics of Active Data Warehousing? (Choose three.)
  A.allows for data redundancy
  B.provides scalability to support large amounts of detailed data
  C.allows users to directly update the operational data store (ODS)
  D.provides an integrated environment that supports strategic and tactical queries
  Answer: BCD

  3. Why would you have two physical LAN connections per node connected to the customer’s network?
  A.for redundancy
  B.to double the request speed
  C.so two session connections can be made concurrently
  D.so one can accept requests and the other can return responses
  Answer: A

  4. Which three aspects of the DSS environment have gained importance as technology has improved? (Choose three.)
  A.the ability to use detailed data
  B.the ability to do ad hoc queries
  C.the ability to do batch reporting
  D.requiring the data to be in a data mart
  E.the decreased need to use summary data
  Answer: ABE

  5. Due to linear scalability, which two can Teradata provide? (Choose two.)
  A.redundant data storage for fault tolerance
  B.ability to accommodate 32 CPUs on a node
  C.investment protection for application development
  D.increased workload without decreased throughput
  Answer: CD

  6. What are three main features of the Teradata database? (Choose three.)
  A.portable to any platform
  B.parallel aware optimizer
  C.unconditional parallelism
  D.automatic data distribution
  Answer: BCD

  7. What is a logical data mart?
  A.a data load from a data warehouse
  B.an existing part of the data warehouse
  C.a separate structure of the data warehouse
  D.a physical part of the operational data stores
  Answer: B

  8. Which two types of data is found in data marts? (Choose two.)
  A.detailed data for a particular use
  B.all detailed data for general use
  C.summary data for a particular use
  D.summarized subset of detailed data for general use
  Answer: AC

  9. How does Teradata handle data access? (Choose three.)
  A.The PEs handle Session Control functions.
  B.The BYNET sends a communication between the nodes.
  C.The BYNET sends the answer set back to the application.
  D.The AMPs convert the SQL into steps that are sent out by the Dispatcher.
  E.The AMPs retrieve and perform database functions on the requested rows.
  Answer: ABE

  10. What are two benefits of a business model? (Choose two.)
  A.Data is organized according to what it represents.
  B.There is a unique data model for each department.
  C.Data is organized according to how it is accessed.
  D.The data model is the same regardless of data volume.
  Answer: AD

  11. Which two key aspects must be considered for an OLTP application? (Choose two.)
  A.Many tables must be accessed to retrieve data.
  B.Only a few of many possible tables are accessed.
  C.Very little I/O processing is required to complete a transaction.
  D.Data retrieved may need further processing using aggregations, joins, or sorts.
  Answer: BC

  12. Which two statements are true about an OLTP environment? (Choose two.)
  A.Transactions are write intensive.
  B.The number of rows per transaction is large.
  C.The number of rows per transaction is small.
  D.Transactions typically occur within seconds, not minutes.
  Answer: CD

  13. Which two features are unique to Teradata? (Choose two.)
  A.mature Optimizer
  B.concurrent users
  C.parallel architecture
  D.industry standard access language (SQL)
  Answer: AC

  14. Which business example is considered OLTP?
  A.capacity planning for the RDBMS
  B.ATM money withdrawal from a bank
  C.query of retailer database to determine monthly sales of shoes
  D.determining the interest rate for a loan, based on credit rating and current assets
  Answer: B

  15. What describes Teradata’s architecture?
  A.shared data
  B.shared nothing
  C.shared memory
  D.shared everything
  Answer: B

  16. What is a transaction?
  A.a logical unit of work
  B.a single SQL statement
  C.a logon, submittal of work, and logoff
  D.a single SQL statement and the unit of recovery
  Answer: A

  17. Which three DBA tasks are not required in a Teradata environment? (Choose three.)
  A.data modeling
  B.index selection
  C.database reorganizations
  D.pre-prepare data for loading
  E.pre-allocation of table space
  Answer: CDE

  18. Which is an example of an OLTP environment?
  A.updating a checking account to reflect a deposit
  B.creating a report to show how much credit can be extended to a customer
  C.creating a report to show a comparison of sales from this week to last week
  D.creating a report that shows the top ten selling items across all stores for one year
  Answer: A

  19. What three types of processing are needed in decision support data warehouse environments? (Choose three.)
  A.ad hoc queries
  B.pre-defined reports
  C.analytical modeling
  D.continuous update
  E.event-based triggering
  Answer: ABC

  20. What are three characteristics of an Active Data Warehouse environment? (Choose three.)
  A.support of tactical queries
  B.allows for data redundancy
  C.mission critical applications
  D.24×7 availability and reliability
  Answer: ACD

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