TDVAN5 Practice Test, TDVAN5 Valid Test Notes

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TeraData TDVAN5 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	Security Management & Auditing: This section of the exam measures the skills of such database managers. It covers the features, functionality, and benefits of access logging and advanced security configurations.
Topic 3	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 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.
Topic 5	Performance Management: This section of the exam evaluates the skills of TeraData database administrators. It focuses on strategies for managing statistics, implementing DBQL logging, and using performance data to troubleshoot and resolve system issues.

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TDVAN5 Valid Test Notes, TDVAN5 New Braindumps

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TeraData HCIA-Datacom V1.0 Sample Questions (Q25-Q30):

NEW QUESTION # 25
A capacity planner wants to keep a record of the number of rows that are added and deleted from certain tables over time and would like to obtain this information without having to change the application itself.
Which DBQL option should be enabled?

A. VERBOSE XMLPLAN
B. USECOUNT
C. EXPLAIN
D. OBJECTS

Answer: D

Explanation:
The OBJECTS option in DBQL (Database Query Logging) records the tables and other objects that are accessed by queries, including information on how many rows are added, updated, or deleted. This allows the capacity planner to track changes to specific tables without modifying the application itself.
The other options are less relevant to tracking row changes:
USECOUNT records how often specific queries are executed, but not the number of rows affected.
EXPLAIN captures the query execution plan, which doesn't provide details on rows added or deleted.
VERBOSE XMLPLAN gives detailed execution plans in XML format, but it is more focused on query execution and optimization, not tracking row modifications.

NEW QUESTION # 26
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. Execute an OUTPUT command.
D. The user should log out and log back in to a new session.

Answer: D

Explanation:
When the MaxParseTreeSegs value is increased, the new settings will not take effect for existing sessions. The user must log out and log back in to start a new session where the updated configuration will be applied.
Other options are not relevant in this case.

NEW QUESTION # 27
A client has a healthy system but often sees delays in some queries because of workload concurrency limits. These limits have been carefully chosen, so the client needs a solution that will not modify them.
What should the Administrator use to assist this client?

A. Use Query Group Viewpoint gortjet to change the throttle limit temporally.
B. Use a system throttle.
C. Use Flex Throttle option.

Answer: C

Explanation:
Use Query Monitor Viewpoint portlet to change query workloads.
Explanation:
The Flex Throttle option allows the system to temporarily adjust workload concurrency limits based on system conditions. This provides more flexibility when handling spikes in query concurrency, without permanently modifying the established workload limits. Flex Throttle is ideal for handling temporary peaks in activity, helping to smooth out delays while keeping the core concurrency limits intact.
Option A (Use a system throttle) would enforce strict concurrency limits but doesn't provide the flexibility needed in this scenario, where the client is trying to avoid modifying existing limits.
Option B (Use Query Group Viewpoint portlet to change the throttle limit temporarily) suggests manually adjusting the throttle limit, which is not desirable in this case as the limits have been carefully chosen.
Option D (Use Query Monitor Viewpoint portlet to change query workloads) would involve changing the way queries are handled or prioritized but does not address the need to keep concurrency limits unchanged while still dealing with temporary delays.
Thus, Flex Throttle (Option C) provides the best solution to assist the client without altering the concurrency limits permanently.

NEW QUESTION # 28
A middle-tier application server logs on to the database as TrustedUser and submits requests on behalf of application end users. The server is shared by Finance and Human Resources groups and uses ProxyUser query band to identify end users to the database. Each group needs access to its own sensitive data, so the Administrator has created two separate roles with the appropriate permissions.
What is the best way to control access to each group's sensitive data?

A. Grant both roles to TrustedUser, and add the ProxyRole query band to specify one role.
B. Include both roles in the grant connect through statement, and use ProxyRole in the query band to select the appropriate role.
C. Define the roles as external and use the ProxyRole query band to specify one role.
D. Specify the appropriate role for each end user in a grant connect through statement.

Answer: B

Explanation:
The GRANT CONNECT THROUGH statement allows the TrustedUser to act on behalf of multiple end users while securely connecting to the database. By granting both roles (Finance and Human Resources) in this statement, you allow the ProxyUser to switch between roles depending on the query band's ProxyRole value.
Using the ProxyRole query band, the application can specify which role (Finance or Human Resources) should be used for each specific request. This approach provides flexibility, as the application can dynamically assign the appropriate role to the user based on the query context.
Option A (Defining roles as external and using ProxyRole) wouldn't fully address the need to manage multiple roles dynamically for a shared server.
Option B (Granting both roles to TrustedUser) doesn't allow for flexible role switching on a per-request basis without the use of GRANT CONNECT THROUGH and could lead to over-granting of permissions.
Option C (Specifying a role for each end user in GRANT CONNECT THROUGH) isn't as flexible as allowing both roles to be used and dynamically selected through the query band.
Thus, Option D is the most appropriate solution, as it provides both security and flexibility, enabling the application to use the correct role based on the ProxyRole query band for each query submitted.

NEW QUESTION # 29
A role, TestingSprint, was created and assigned to members of a testing unit. This role is temporary in nature and will be dropped after the sprint ends. The manager of the testing unit is also assigned to the role and wants to drop it once work is complete.
Which option can the Administrator use to fulfill this request?

A. Re-grant the TestingSprint role to the manager, specifying the WITH GRANT OPTION.
B. Grant the DROP ROLE privilege to a newly created role, and then grant that role to the manager.
C. Grant the DROP ROLE privilege to the TestingSprint role.
D. Re-grant the TestingSprint role to the manager, specifying the WITH ADMIN OPTION.

Answer: D

Explanation:
Granting a role with the WITH ADMIN OPTION allows the recipient (in this case, the manager) to not only use the role but also manage it. This includes the ability to drop the role when it is no longer needed, as requested by the manager.

NEW QUESTION # 30
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