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QUESTION NO:93

Which three Teradata functions are performed when a user submits a query? (Choose three.)

A. The AMP returns the result set to the Dispatcher.

B. The BYNET passes the dispatched steps to the AMPs.

C. The BYNET retrieves the result set from the Dispatcher.

D. The Parser evaluates the SQL statement for proper syntax.

E. The Optimizer develops the least expensive plan for executing the query.

Correct Answer: ACD


QUESTION NO:17

A query specifies multiple secondary index values of a table in the WHERE clause. Which two situations

will influence the Optimizer to choose a full table scan? (Choose two)

A. . when the index values are highly selective

B. when statistics have not been collected

C. when most of the rows qualify for the answer set

D. when the number of data blocks needed far exceeds the number of physical reads

Correct Answer: BD


QUESTION NO:94

What are two differences between an application data model and an enterprise data model? (Choose two.)

A. An application data model is fixed while an enterprise data model is iterative.

B. An application data model requires additional semantic validation in the development phase while an

enterprise data model does not.

C. An application data model reflects specific functions of the business while an enterprise data model

integrates all aspects of the business.

D. An application data model is focused on how the data flows through the organization while an

enterprise data model is focused on how the data is processed.

Correct Answer: BD


QUESTION NO:114

Which statement is true about block level compression (BLC)?

A. It is set at the system level.

B. It can compress secondary indexes.

C. It is specified in the CREATE TABLE statement.

D. It can compress all structures within the database.

Correct Answer: D


QUESTION NO:86

Which two software component are necessary to access Teradata using a mainframe-attached client?

(Choose two.)

A. CU

B. TDP

C. ODBC

D. Gateway

Correct Answer: CD


QUESTION NO:92

What is the difference between throughput and response time?

A. Throughput measures I/O performance. Response time measures CPU performance.

B. Throughput measures the volume of transactions received. Response time measures the queries

processed per second.

C. Throughput measures the quantity of queries completed. Response time measures the average

duration of the queries.

D. Throughput measures the performance of the Parsing Engines (PE). Response time measures network

delay.

Correct Answer: A


QUESTION NO:99

Which feature may be used to enable data encryption?

A. Roles

B. Profiles

C. column-level security

D. user defined functions (UDF)

E. X views in the Data Dictionary

Correct Answer: C


QUESTION NO:51

Which two statements are true about a full table scan during select processing? (Choose two.)

A. Every row of the table is read once.

B. The data is redistributed across the AMPS.

C. Performance is improved by subtable access.

D. The spool file created may be equal to the size of the base table.

Correct Answer: AB


QUESTION NO:91

Which two activities are performed by the Teradata Administrator tool? (Choose two.)

A. Renaming views

B. Examining system logs

C. Moving space from one database to another

D. Viewing and tracking system status on one or more databases

Correct Answer: AD


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