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Exam : NCR Teradata NR0-015
Title : Teradata design architecture v2r5 exam

1. How will a query be affected when run against a table without Fallback if an AMP is down?
A. The query will not execute under these conditions.
B. The query will execute and return data from all AMPs.
C. The query will execute only if it does not require data from the down AMP.
D. The query will always execute and return data from only the AMPs that are available.
Answer: C

2. What can you do to improve a query’s performance without restarting Teradata? (Choose three.)
A. increase the number of cylinder slots in FSG Cache
B. modify the weights assigned to the user’s Allocation Group
C. modify the weights assigned to the user’s Resource Partition
D. change the priority of the user’s session which is running slow
E. modify the user’s account to increase the spool space of the user
Answer: BCD

3. When organizing the system into databases, the Teradata administrator must consider which two questions? (Choose two.)
A. How frequently are the archives of the tables needed?
B. Which views are needed to be used by the same users?
C. Which users will be doing the FastLoads of multiple tables?
D. Which views are needed to have extended privileges such as update and delete?
Answer: BD

4. Which is the right formula to calculate the base table size with Fallback?
A. (Number of blocks*Typical block size) + (Number of header bytes*2)
B. 2(Number of blocks*Typical block size) – Number of header bytes
C. 2(Number of blocks*Typical block size) + Number of header bytes
D. (Number of blocks*Typical block size) – (Number of header bytes*2)
Answer: C

5. When defining Roles in Teradata, what are two questions that should be asked? (Choose two.)
A. From which network path will this user access Teradata?
B. Will this user need more than just SELECT access to the data?
C. Will this user be assigned to perform more than one job function?
D. What characteristics are important for this user’s password controls?
Answer: BC

6. What improves overall job mix and throughput? (Choose three.)
A. changing the poorly performing queries to $R status
B. defining Allocation Groups for different times of the day
C. maintaining development and testing users in a separate Allocation Group
D. using the Priority Scheduler Administrator to set slow AMPs to a higher priority
E. using the MODIFY USER statement to change the ACCOUNT for users receiving too much or too little CPU
Answer: BCE

7. Which three processes are useful when determining a workload definition for TDQM? (Choose three.)
A. DBQL analysis of join types for the schedule period
B. DBQL analysis of full table scans requested during the period
C. the number of Resource Partitions defined in Priority Scheduler
D. Priority Scheduler output containing queue length and wait times
E. the Statistics Wizard analysis of needed statistics for this workload
Answer: ABD

8. When tuning for tactical queries in Priority Scheduler, which two options are available? (Choose two.)
A. reserve AMP Worker Tasks for tactical queries
B. place the users submitting tactical queries in Allocation Group 0
C. place the users submitting tactical queries in Resource Partition 0
D. place the users submitting tactical queries in Allocation Groups with the highest weight
Answer: AD

9. What should an analysis defining TDQM restrictions include? (Choose three.)
A. the client resources available during the peak periods
B. a list of users whose access must be above restriction
C. a projection of the growth pattern for major tables in the database
D. an understanding of the timing requirements for maintenance of specific tables or databases
E. a listing of the requirements for critical applications and the times of day that are most critical
Answer: BDE

10. In Priority Scheduler, which two tasks are important in planning the allocation of system resources? (Choose two.)
A. calculating how many CPU cycles are available
B. recognizing the goal of using Priority Scheduler
C. gaining an understanding of the current workload
D. defining at least four Resource Partitions for workload balance
Answer: BC

11. Which Teradata Analyst tool is used to perform a "what-if" analysis on a given workload to determine the optimal set of secondary indexes?
A. Teradata Index Wizard
B. Teradata Visual Explain
C. Teradata Statistics Wizard
D. Teradata System Emulation Tool
Answer: A

12. You are using the Statistics Wizard. You define a workload from _____. (Choose two.)
A. statement text
B. workload monitor
C. DBQL statements
D. TDQM statements
Answer: AC

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Exam : NCR Teradata NR0-013
Title : Teradata Sql v2r5 Exam

1. Which result do you get from the SELECT SESSION statement ?
A. the SQLFLAG value for the user
B. the session number for the user
C. the session transaction mode for the user
D. the number of sessions running for the user
Answer: B

2. What does the EXPLAIN output provide to assist the user in query analysis? (Choose two.)
A. which steps may be processed in parallel
B. what statistics should be collected on a column
C. accurate time measurements for query processing
D. details of which indexes, if any, will be used to process the query
E. recommendations to improve the query based on timing and sizing
Answer: AD

3. The choice of ANSI vs. Teradata mode affects which three items? (Choose three.)
A. data conversions
B. rounding behavior
C. case sensitivity defaults
D. transaction protocol behavior
Answer: ACD

4. Consider this request in Teradata mode:
DELETE t1;
Which request performs equivalently in ANSI mode?
A. DROP TABLE t1;
B. DELETE FROM t1;
C. DELETE FROM t1 ALL;
D. DELETE FROM t1; COMMIT;
Answer: D

5. Which command will display the account you are currently using?
A. HELP USER;
B. HELP SESSION;
C. HELP ACCOUNT;
D. EXPLAIN ACCOUNT;
E. SELECT ‘ACCOUNT’;
Answer: B

6. Given the query
SELECT AVG(column1) FROM t1;
where t1 is an empty table, what is the result?
A. 0
B. Null
C. Error
D. No record found
Answer: B

7. What is the result of SELECT CAST(‘bb12345′ AS CHAR(3)) in Teradata mode? (Note: b = blank)
A. 1
B. ‘bb1′
C. 123
D. 345
E. ’123′
F. ’345′
Answer: B

8. What are three characteristics of views? (Choose three.)
A. Views can contain a WHERE clause.
B. Views cannot be used to UPDATE a table.
C. Views must change if columns are added to a table.
D. Views are not affected if columns are added to a table.
E. Views provide an additional level of security or authorization.
Answer: ADE

9. What two types of tables are available when users need to create a small temporary table but only have spool space allocated to them? (Choose two.)
A. Volatile
B. Derived
C. Permanent
D. Global Temporary
Answer: AB

10. Which two statements about the ACCOUNT function are true? (Choose two.)
A. It has no arguments.
B. It cannot be used in a macro.
C. Value is provided by the parser.
D. It must be coded between quotes.
Answer: AC

11. Which information does HELP TABLE <tablename> provide about the specified table?
A. column name, data type, and comment
B. column name, index, data type, and comment
C. column name, table id, data type, and comment
D. column name, constraint, data type, and comment
Answer: A

12. Click the Exhibit button.
Given the two tables and the query shown in the exhibit, what is the result set?
A. 5, NULL
B. 2, NULL
C. 2, 2300
D. 3, NULL
E. 2, 20000
Answer: B

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• Exam Name : Teradata Masters Update v2r5 Exam
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• Update Time: 2009-10-11
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Exam : NCR Teradata NR0-017
Title : Teradata masters update v2r5 exam

1. To use the Teradata System Emulation Tool (TSET), Target Level Emulation must first be enabled on a test system using which utility?
A. Ferret
B. DBSControl
C. Vproc Manager
D. Teradata Performance Monitor
Answer: B

2. Teradata Manager’s utilities can be used for which three activities? (Choose three.)
A. workload analysis
B. performance monitoring
C. archiving and restoring data
D. running remote console commands
E. distributing Teradata application software to remote clients
Answer: ABD

3. An EXPLAIN output contains the following phrase:
"SORT to partition Spool 3 by rowkey"
Which two statements about Spool 3 are true? (Choose two.)
A. It will be partitioned by partition number within row hash.
B. It will be partitioned by row hash within partition number.
C. It will be sorted to prepare for joining to a partitioned table.
D. It will be sorted to prepare for joining to a non-partitioned table.
Answer: BC

4. Which three tasks can be performed by an authorized user of the Teradata Performance Monitor? (Choose three.)
A. abort user sessions
B. identify a blocked user
C. purge ResUsage tables
D. reset peak utilization values
E. display system efficiency measurements
Answer: ABE

5. Which three default options are available as built-in physical actions to a triggered alert within Teradata Manager? (Choose three.)
A. send an email
B. abort a session
C. execute a program
D. increase spool space
E. raise the priority of a session
Answer: ABC

6. Which two can be used to validate the effectiveness and usefulness of statistics on a given query? (Choose two.)
A. HELP STATISTICS
B. Teradata Statistics Wizard
C. checking how recently the statistics were refreshed
D. checking the confidence level in the EXPLAIN output
Answer: BD

7. An EXPLAIN output contains the following phrase:
"group_amps"
Which statement is true?
A. A group of rows on a fallback AMP is being updated.
B. The AMPs are being prepared for a local aggregation step.
C. The AMPs are being grouped in preparation for a vertical sort.
D. Subsequent steps will use a subset of AMPs instead of all AMPs.
Answer: D

8. Teradata Visual Explain supports the comparison of how many plans?
A. 4
B. 16
C. 32
D. unlimited
Answer: D

9. Which two functions does the Teradata Statistics Wizard perform? (Choose two.)
A. recommends secondary indexes
B. executes the statistics collection recommendations
C. displays current versus captured statistics information
D. reproduces Optimizer-related issues in a test environment
E. recommends recollection of statistics based on table skew
Answer: BE

10. Using the Teradata Statistics Wizard, workloads may be _____. (Choose two.)
A. defined from Query Capture Database (QCD) statements
B. imported from another system
C. defined from the Workload Monitor
D. defined from Teradata Dynamic Query Manager (TDQM) statements
Answer: AB

11. Which three statements about collecting statistics are true? (Choose three.)
A. Statistics can be collected using a sample of the table data.
B. Multi-column statistics can be collected without creating an index.
C. Statistics can be collected on a maximum of 16 columns and indexes per table.
D. Statistics can be collected on a maximum of 512 columns and indexes per table.
E. Statistics can be useful in determining which AMP(s) will be accessed for query processing.
Answer: ABD

12. What are two functions of the Teradata Index Wizard? (Choose two.)
A. allows for "what-if" analysis
B. allows you to schedule index creation
C. allows importing of workload from Teradata Manager
D. allows for a visual explanation of the index creation plan
Answer: AB

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