Teradata

TE0-121

Teradata 12 Basics exam

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Question: 1. Which statement is true regarding minibatch data loads? A. The opportunity for row collisions is increased. B. The Insert/Select loads the data into staging as a first step to loading. C. The FastLoad utility loads the data into staging as a first step to loading. D. Transformations are not allowed when moving from the staging table to the target table.

Answer: C

Question: 2. Which two methods are available with Teradata to limit data access? (Choose two.) A. set a user's PERM space to zero B. restrict access via database profiles C. require users to access data via macros D. require users to access data via stored procedures

Answer: CD

Question: 3. What is the typical purpose of the Semantic layer in an Enterprise data warehouse architecture? A. data views B. data storage C. data cleansing D. data transformation

Answer: A

Question: 4. Which two statements are true about a Relational Database? (Choose two.) A. It is defined by Primary and Secondary Keys. B. It is a collection of related rows and columns. C. It is a collection of logically related tables. D. It is a collection of physically related tables. E. It is a DBMS that is based on the relational model.

Answer: CE

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Question: 5. Which is a key capability provided by the Teradata Parallel Database Extensions (PDE)? A. It monitors system performance. B. It returns answer sets to the client. C. It performs disk space management. D. It controls virtual processor resources.

Answer: D

Question: 6. What is a use of the Primary Index in the Teradata Database? A. to support efficient data access B. to provide a constraint to ensure Referential Integrity C. to enable compression on the data to improve query performance D. to ensure enough AMPs are involved to reduce query processing time

Answer: A

Question: 7. What is used by PEs and AMPs for internal communications? A. the YNET B. the BYNET C. a proprietary LAN D. an internode WAN

Answer: A

Question: 8. Which two reduce the likelihood of a Full Table Scan (FTS)? (Choose two.) A. The primary index is fully qualified. B. The use of a WHERE clause in the query. C. The primary index is defined as compressed. D. A surrogate key is defined on the index column.

Answer: CD

Question: 9.

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At which three levels is locking supported on Teradata? (Choose three.) A. User B. Table C. Index D. Database E. Row Hash

Answer: BDE

Question: 10. Which component is part of Teradata's open architecture? A. AMP B. Node C. BYNET D. Operating System

Answer: B

Question: 11. What is a benefit of the Teradata Database? A. It supports multiple, mixed data stores. B. It allows expansion without sacrificing performance. C. It automatically detects and recovers from software failures. D. It can be accessed by either channelattached or wideareanetworkattached systems.

Answer: D

Question: 12. Which three describe the benefit of Teradata's scalability? (Choose three.) A. It allows users to submit ad hoc queries. B. It provides a single view of the business. C. It provides a fault tolerant processing platform. D. It has the ability to support multiple concurrent users. E. Processing power can be added without needing to change the data model. F. Disk space can be added without having to manually offload/reload the data.

Answer: DEF

Question: 13. Which component is part of Teradata's open architecture?

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A. PE B. CPU C. Node D. BYNET

Answer: C

Question: 14. Which component is part of Teradata's open architecture? A. AMP B. Node C. Disk D. BYNET

Answer: B

Question: 15. Which three DBA functions are unnecessary,, thereby contributing to the ease of management? (Choose three.) A. create users B. reorganize data or index space C. format partitions or disk space D. preallocate table or index space E. checking database space available

Answer: BCD

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