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

1. Which types of Teradata locks are compatible? (Choose two.)
A. a read lock and a read lock
B. a read lock and a write lock
C. a write lock and a write lock
D. a write lock and an access lock
Answer: AD

2. Which two options are available when grouping the Teradata users under profiles? (Choose two.)
A. control over the object creation access rights
B. management of the Priority Scheduler Performance Groups
C. management over the external connections available to users
D. control of the AMP Usage Logging and Account String Expansion
Answer: BD

3. 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

4. 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

5. 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

6. 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

7. 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

8. 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

9. 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

10. 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

11. 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

12. 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

13. 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

14. 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

15. An eight node Teradata system has DBC.CRASHDUMPS defined as FALLBACK. Assume 200 MB/node is required for one PDE dump. The current allocation for CRASHDUMPS is 1600 MB. The DBA wants the CRASHDUMPS allocation to hold the recommended three PDE dumps. What should the total space allocation be for CRASHDUMPS, and what database does this space come from?
A. 600 MB from database ALL
B. 600 MB from database DBC
C. 4800 MB from database DBC
D. 4800 MB from database ALL
Answer: C

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Exam : NCR Teradata NR0-012
Title : Teradata Physical Implementation v2r5 Exam

1. Which two definitions are required on the referenced columns when implementing Referential Integrity? (Choose two.)
A.Unique
B.Nullable
C.Indexed
D.Not Null
Answer: AD

2. What happens to a submitted query when a deadlock occurs?
A.Oldest query is aborted.
B.Youngest query is aborted.
C.Query waits for deadlock to resolve.
D.Dispatcher identifies which query to hold and waits for completion of deadlocking query.
Answer: B

3. Which three join methods require spool files? (Choose three.)
A.Merge Join
B.Nested Join
C.Product Join
D.Exclusion Merge Join
Answer: ACD

4. Which property is a characteristic of a NUSI?
A.two-AMP operation
B.two tables with the same index
C.physical grouping of related data
D.index row and table row on same AMP
Answer: D

5. Whenever you have stand-alone derived data, you must decide whether to calculate it or store it.
On which two demographics should you base your decision? (Choose two.)
A.access column
B.access frequency
C.column data value volatility
D.number of sources involved
Answer: BC

6. Which three statements are true about identity columns? (Choose three.)
A.They are supported by TPump.
B.They guarantee sequential numbering of inserted rows.
C.They provide even row distribution when used as a primary index.
D.They simplify the initial port from other databases that use generated keys.
Answer: ACD

7. Click the Task Button.Place each normal form name next to its description.
Answer:

8. Which statement is true of join indexes?
A.They can be processed using MultiLoad.
B.They can be used to define Full Outer Joins.
C.They can be assigned a different primary index from the base table.
D.They can be used on a table with triggers and Referential Integrity constraints.
Answer: C

9. Which two factors should be considered when electing to denormalize a table? (Choose two.)
A.volatility
B.cardinality
C.connectivity
D.performance
Answer: AD

10. What should be considered when electing to denormalize a table?
A.volatility
B.cardinality
C.connectivity
D.number of users
Answer: A

11. Which two statements about parallel steps are true? (Choose two.)
A.They are steps whose output may be used in a later statement.
B.They are sequentially numbered steps that may execute simultaneously.
C.They represent combined identical steps for two or more SQL statements within the request parcel.
D.They are seen in the creation of a spool file, which is subsequently used in more than one processing step.
Answer: AB

12. Which three are data demographic elements? (Choose three.)
A.number of nulls
B.number of constraints
C.number of distinct values
D.number of rows per value
Answer: ACD

13. During which phase of modeling design would a Partitioned Primary Index be defined?
A.Logical Data Modeling
B.Physical Data Modeling
C.Entity-Relationship Modeling
D.Business Information Modeling
Answer: B

14. Which two statements are true about identity columns? (Choose two.)
A.Only one can be specified per table.
B.They need not be a primary index column.
C.They can be part of a composite primary index.
D.They can be the primary index of a table with atomic upsert operations.
Answer: AB

15. What is an effect of denormalization on application coding?
A.It usually increases data flexibility.
B.It increases the cost of data retrieval.
C.It generally reduces the potential for data problems.
D.It generally makes new applications more difficult to implement.
Answer: D

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Exam : NCR Teradata NR0-014
Title : Teradata Administration v2r5 Exam

1. You have User A running a complex join with $L priority in the DEFAULT partition. The database administrator uses Teradata Manager to change the priority of the user’s query to $R.
Which two effects does this change have on the jobs currently running on a busy system? (Choose two).
A. The other users’ jobs are not affected.
B. User A’s job will experience performance degradation.
C. User A’s job will experience a performance improvement.
D. The other users’ jobs experience performance degradation.
E. The other users’ jobs experience a performance improvement.
Answer: CD

2. Which ResUsage table provides information on node utilization?
A. ResUsageSctl
B. ResUsageSvpr
C. ResUsageScpu
D. ResUsageSpma
Answer: D

3. What is a benefit of assigning account strings at the profile level?
A. enables you to change all or part of the designation just once for many users
B. enables you to grant privileges to a group of users based on their account string
C. enables you to save space by reducing the number of rows inserted into DBC. AMPUsage
D. enables you to save space by reducing the number of rows inserted into DBC. AccessRights
Answer: A

4. When troubleshooting bottlenecks, which two utilizations should you examine first? (Choose two.)
A. disk utilization
B. CPU utilization
C. BYNET utilization
D. channel utilization
E. memory utilization
Answer: AB

5. Which three utilities are limited by the MaxLoadTasks parameter in the DBSControl utility? (Choose three.)
A. BTEQ
B. TPump
C. FastLoad
D. MultiLoad
E. FastExport
Answer: CDE

6. Users are complaining about poor system response time. You have identified a query that is consuming a large amount of CPU. You run an EXPLAIN on this query.
Which two steps in the EXPLAIN could identify the source of contention? (Choose two),
A. a Merge Join of two large tables
B. a (1=1) product join of two large tables
C. duplication of a small table across all AMPs
D. a Merge Join of a small table to a large table
E. redistribution of a large table across all AMPs
Answer: BE

7. You are using Database Query Log (DBQL).
Logging can be invoked on _____. (Choose three.)
A. all users
B. a list of users
C. a list of account strings
D. a list of database objects
Answer: ABC

8. Which two can be determined with AMPUsage data? (Choose two.)
A. user activity
B. user privileges
C. session priority
D. database owners
Answer: AC

9. What does the CPU Eff % column measure in the ResNode macro?
A. efficiency of each CPU in each node
B. percentage of CPUs working efficiently in all nodes
C. how well the CPUs work in parallel across all nodes
D. percentage of CPUs working in parallel across all nodes
Answer: C

10. How are inherited privileges applied by the database administrator?
A. by using GIVE to change user hierarchy
B. by automatically applying inherited privileges
C. by granting inherited privileges directly to the user
D. by granting privileges with the ALL option to a user
Answer: D

11. Which three do you use to change collection and logging rates for ResUsage in Teradata? (Choose three.)
A. xctl
B. gdb
C. xdbw
D. ferret
E. Teradata Manager
Answer: ACE

12. Which view can be used to determine I/O and CPU usage at the user level?
A. ResNode
B. AMPUsage
C. ResIOView
D. ResCPUUsageByAMPView
Answer: B

13. Which ResUsage table should you look at to determine node memory usage?
A. ResUsageSldv
B. ResUsageSvpr
C. ResUsageScpu
D. ResUsageSpma
Answer: D

14. You are working in the Default resource partition.
Which Performance Group should be used sparingly due to the negative performance that can be introduced into your system?
A. $M
B. $L
C. $R
D. $H
Answer: C

15. Two thousand users have just been added to the Teradata database and are experiencing connection problems.
What could you add to resolve the problem?
A. PEs
B. AMPs
C. vdisks
D. I/O service processors
Answer: A

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