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TDVAN5 Vce File - Valid TDVAN5 Test Preparation

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TeraData TDVAN5 Exam Syllabus Topics:

Topic
Details

Topic 1

Database Management: This section tests the skills of database administrators in managing access rights and advanced analytic functions. It covers logging benefits, privilege types, and the impact of changing global parameters on user sessions.

Topic 2

Monitoring Vantage: This section of the exam measures the skills of IT professionals such as system administrators. It covers how to effectively use Viewpoint to investigate system conditions, monitor external queries, and administer both Viewpoint and monitored systems.

Topic 3

User Administration: This section evaluates the skills of system administrators in meeting user security requirements through roles and proxy access configurations. Candidates will also learn about the functionality and benefits of profiles, as well as the key attributes that should be set for a new user.

Topic 4

Integration: This section tests the skills of database administrators in utilizing integration tools like QueryGrid and NOS. It covers the benefits, features, and functionality of QueryGrid, the database objects supporting its implementation, and the performance implications of accessing NOS and foreign servers.

TeraData HCIA-Datacom V1.0 Sample Questions (Q20-Q25):

NEW QUESTION # 20
A client is having many problems with a poorly written SQL. They have product joins running against large tables, and this is causing severe performance issues. The Administrator needs to help the client avoid the harm to the system that is being caused by running these queries.
Which action should be taken by the Administrator to assist this client?

A. Use the Query Log Viewpoint portlet to identity and abort the harmful queries.
B. Use a TASM system filter.
C. Use the Flex Throttle option.
D. Use the Query Spotlight Viewpoint portlet to deprioritize the queries.

Answer: B

Explanation:
Teradata Active System Management (TASM) allows the system administrator to control and manage query workload in real-time. A TASM system filter can be used to prevent or deprioritize certain types of queries, such as product joins or poorly written queries, that are consuming excessive resources. This approach ensures that problematic queries do not harm the overall system performance.
Query Spotlight Viewpoint portlet focuses on identifying and managing individual queries but does not provide the same level of proactive filtering and control as TASM system filters.
Flex Throttle is useful for controlling the concurrency of queries, but it doesn't specifically address preventing or managing product joins in a way that would directly resolve the issue with poorly written SQL.
Query Log Viewpoint portlet would help in identifying and aborting harmful queries, but it's a reactive approach rather than a proactive solution like using TASM system filters.

NEW QUESTION # 21
Which table identifies whether a particular workload is suffering from a shortage of AMP Worker Tasks?

A. ResUsageSawt
B. ResUsageSps
C. ResUsageSvpr
D. ResUsageSpma

Answer: A

Explanation:
The ResUsageSawt table captures detailed statistics related to AMP Worker Tasks (AWTs). It provides insight into how many AWTs are in use, waiting, or available, which helps identify whether a particular workload is suffering from a shortage of AWTs.
ResUsageSpma provides information about memory usage and swapping but not specifically about AWTs.
ResUsageSps focuses on session-level resource usage but does not track AMP Worker Tasks.
ResUsageSvpr provides data on virtual processor (vproc) usage and performance, not specifically on AWTs.
ResUsageSawt is the correct table to examine for AWT-related issues.

NEW QUESTION # 22
The Administrator is receiving complaints that a business application is taking a very long time to refresh the screen. After analyzing the WD-Report workload, the Administrator notices that several short select statements, with estimated processing time of less than 0.5 seconds, are waiting in the delay queue. The workload WD-Report is placed in Time Share Medium and managed by TIWM.
How should the Administrator solve this performance issue?

A. Create a throttle to reduce flow control.
B. Create a new workload for SELECT statements based on the estimated processing time, and place in the Time Share TOP.
C. Place the WD-Report workload in the Service Level Goal (SLG) tier with 50% relative weight.
D. Define a new state for SELECT statements based on estimated processing time and active the time share decay.

Answer: B

Explanation:
The select statements in the WD-Report workload are being delayed even though their processing times are short (less than 0.5 seconds), which is leading to slow screen refreshes.
By creating a new workload specifically for these short-running SELECT statements, the administrator can ensure that they are processed more quickly, without being delayed by other workloads.
Placing this new workload in Time Share TOP will give it a higher priority, ensuring these short queries are executed promptly, improving the responsiveness of the business application.
Other options are less effective because they either don't directly target the issue of short query delays (B), or may not appropriately prioritize these queries (A, C).

NEW QUESTION # 23
A system in Viewpoint is regularly reported as being in a critical state due to a lack of available AWT. No flow control is observed on the system. The Administrator identified that this is due to a recently completed cloud migration for the system that increased the number of available AWT from 80 to 120.
Which process task is required to set up the system in Viewpoint to address this problem?

A. Configure the AWT Info data collector with the updated setting of 120 maximum AWT.
B. Update the performance data collection portlet job that collects resource usage data with the 120 maximum AWT value.
C. Adjust the system alert that has been configured for AWT to the recommended critical threshold of 92.
D. Increase by 40 the degraded and critical thresholds for the AWT in the system health setup portlet.

Answer: D

Explanation:
After the cloud migration increased the number of available AWTs from 80 to 120, the thresholds for critical and degraded states in Viewpoint are likely still based on the old maximum of 80 AWTs. Since the system is now falsely reporting critical states due to this change, the thresholds need to be updated to reflect the new maximum of 120 AWTs. Increasing the degraded and critical thresholds by 40 (to account for the additional AWTs) will prevent unnecessary critical alerts.

NEW QUESTION # 24
A user runs a number of large, complex queries that regularly generate insufficient memory errors. The Administrator increases the value of the MaxParseTreeSegs DBS control field in order to allocate more parse tree segments to the parser for parsing requests.
Which action must be taken before the queries will run without memory errors?

A. Purge the request cache.
B. Execute an Alter METHOD command for
C. The user should log out and log back in to a new session.
D. Execute an OUTPUT command.

Answer: C

NEW QUESTION # 25
......

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Zachary Adams Zachary Adams

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