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TDVAN5 Reliable Exam Book - TDVAN5 Actual Exam Dumps

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TeraData TDVAN5 Exam Syllabus Topics:

Topic
Details

Topic 1

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 2

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.

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

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.

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TeraData HCIA-Datacom V1.0 Sample Questions (Q49-Q54):

NEW QUESTION # 49
Which table identifies whether a particular workload is suffering from a shortage of AMP Worker Tasks?

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

Answer: B

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 # 50
An analytics team uses a multibillion row table that is relevant to a great number of queries with different filters and joins. The Administrator needs to identify an effective strategy to collect statistics on this table.
Which statistics should be collected?

A. Sampled
B. [Dynamic AMP Sample
C. Full-table
D. Summary

Answer: B

Explanation:
Dynamic AMP Sample is an efficient method for collecting statistics on large tables. It collects sample statistics from a subset of AMPs (Access Module Processors) in the system, making it much faster and less resource-intensive than collecting full-table statistics, while still providing sufficiently accurate information for the optimizer.
Full-table statistics collection would be too resource-intensive for a multibillion-row table, potentially causing performance issues due to the size of the data.
Sampled statistics might be an option, but Dynamic AMP Sample is generally preferred because it provides a more efficient and balanced approach in large distributed systems like Teradata.
Summary statistics typically apply to aggregate data rather than large, detailed tables, and would not be sufficient for query optimization across different filters and joins.
Hence, Dynamic AMP Sample is the most effective strategy in this scenario.

NEW QUESTION # 51
An Administrator is required to load sensor data from cloud storage. This store contains many numeric columns.
Which strategy should the Administrator use to optimize the data load?

A. Use a more generic LOCATION string in the USING clause.
B. Cast column data types to appropriate values in a view of the foreign table.
C. Collect statistics on all payload attributes.
D. Keep the original VARCHAR data types in JSON or CSV for columns.

Answer: B

Explanation:
When loading sensor data, especially if it involves many numeric columns, casting the data to appropriate types (like INT, FLOAT, etc.) in a view can significantly improve query performance and reduce storage overhead. This approach ensures that the numeric data is handled efficiently, avoiding unnecessary conversions or using inefficient data types such as VARCHAR.

NEW QUESTION # 52
An Administrator wants to see the list of foreign servers and their parameters in a Teradata QueryGrid configuration for a Vantage system.
Which database shows this information?

A. TD_SYSFNLIB
B. SECADMIN
C. TD_FOREIGN_DB
D. TD_SERVER_DB

Answer: D

Explanation:
TD_SERVER_DB contains the metadata for foreign servers and their configurations in a Teradata QueryGrid environment. This includes information about the foreign servers and their associated parameters, which is useful for managing and monitoring QueryGrid connections.
The other options are not directly relevant for this purpose:
TD_SYSFNLIB contains system functions and is unrelated to QueryGrid server configurations.
TD_FOREIGN_DB is not a valid database in the context of QueryGrid configuration.
SECADMIN is related to security and user management but does not contain information about foreign servers in QueryGrid.

NEW QUESTION # 53
An Administrator has set up security constraints on columns holding sensitive data through the use of profiles. A user, with an appropriate profile, then issues a select against this sensitive data.
Which type of privilege is being used?

A. Ownership
B. Automatic
C. Assigned
D. Inherited

Answer: D

Explanation:
Inherited privileges are those that a user acquires based on their membership in a profile or role. In this case, the user has been assigned a profile that grants access to sensitive data, meaning the privilege to access that data is inherited through the profile.
Option B (Ownership) refers to the privileges that the creator (owner) of a database object has over that object, but in this case, the user is accessing data through a profile, not ownership.
Option C (Automatic) would suggest that the privilege is granted automatically without the need for an explicit assignment or inheritance, which doesn't apply here because the privileges are coming from a profile.
Option D (Assigned) refers to direct privileges granted to a user individually, but in this scenario, the user is accessing data through a profile, which means the privileges are inherited rather than directly assigned.

NEW QUESTION # 54
......

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