High Hit Rate Simulations TDVAN5 Pdf to Obtain TeraData Certification

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TeraData TDVAN5 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	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 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.
Topic 5	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.

TeraData HCIA-Datacom V1.0 Sample Questions (Q12-Q17):

NEW QUESTION # 12
A customer is complaining that the creation of a large table in the lab environment is getting stuck in the merge step. The customer is using the following command to create the table:
CREATE TABLE ... AS (SELECT * ...) WITH DATA
Which recommendation will help the merge step?

A. A column that provides good distribution should be specified as PRIMARY INDEX.
B. The MERGEBLOCKRATIO should be specified for the table to improve the data block merge operation.
C. Users of the lab may have lower priority than other workloads, so the creation of the table should be moved to off-peak hours.
D. The table should be created with "CREATE TABLE ... AS (SELECT *...) WITH NO DATA", and afterwards, "INSERT ... SELECT *" should be used to fill the table.

Answer: D

Explanation:
Merge step issues often occur when a large amount of data is being processed during the table creation, especially if the system is trying to simultaneously create the table and insert data.
By using "WITH NO DATA", the table structure is created first, without the actual data being inserted during the table creation process. The *"INSERT ... SELECT " command can then be used afterwards to populate the table in a more controlled way, reducing the load on the system during the creation phase and potentially improving the efficiency of the merge step.
Specifying a good distribution for the primary index can help overall performance, but it doesn't directly address the issue with the merge step in this scenario.
Specifying the MERGEBLOCKRATIO isn't typically a solution for this specific problem; the merge block ratio is more about the optimization of data block merges rather than the creation of tables.
Moving the creation to off-peak hours may help if the environment is busy, but it doesn't directly address the core issue of the merge step getting stuck.

NEW QUESTION # 13
Which workload management technique should the Administrator use to reject all QueryGrid queries during a pre-defined critical batch state?

A. An exception that excludes the following Foreign Servers:
TD_SYSFNLIB.QGInitiatorExport
TD_SYSFNLIB.QGInitiatorlmport
TD_SYSFNLIB.QGRemoteExport
TD_SYSFNLIB.QGRemotelmport
B. A filter that includes the following functions:
TD_SYSFNLIB.QGInitiatorExport
TD_SYSFNLIB.QGInitiatorlmport
TD_SYSFNLIB.QGRemoteExport
TD_SYSFNLIB.QGRemotelmport
C. A filter that excludes the following functions:
TD_SYSFNLIB.QGInitiatorExport
TD_SYSFNLIB.QGInitiatorlmport
TD_SYSFNLIB.QGRemoteExport
TD_SYSFNLIB.QGRemotelmport
D. An exception that includes the following Foreign Servers:
TD_SYSFNLIB.QGInitiatorExport
TD_SYSFNLIB.QGInitiatorlmport
TD_SYSFNLIB.QGRemoteExport
TD_SYSFNLIB.QGRemotelmport

Answer: D

Explanation:
In this case, using an exception with the Foreign Servers related to QueryGrid functions will prevent queries involving those foreign servers from running. This is a typical method to block or reject specific workloads during critical times, such as a batch processing window.
Exceptions in workload management are used to define specific conditions under which queries or workloads should be rejected or managed differently. By including these QueryGrid-related functions in an exception, the administrator ensures that any QueryGrid queries involving the listed foreign servers will be rejected during the critical batch state.
Options B and D, which mention filters, are not appropriate for rejecting queries. Filters are used for monitoring or routing purposes, not for outright rejection of workloads.
Option C, which suggests excluding the foreign servers in an exception, would not achieve the goal, as this would mean those queries are not affected by the exception. The goal here is to include these functions in an exception to actively reject them.

NEW QUESTION # 14
The Administrator has just created a new database object on a Vantage system.
Which privilege is NOT automatically granted to that database on itself?

A. CREATE AUTHORIZATION
B. CREATE PROCEDURE
C. CREATE TRIGGER
D. CREATE MACRO

Answer: A

Explanation:
When a new database object is created in Teradata Vantage, certain object creation privileges (such as CREATE MACRO, CREATE PROCEDURE, and CREATE TRIGGER) are typically granted automatically to the database or user who created the object.
However, the CREATE AUTHORIZATION privilege, which allows a user to create an authorization object (used for external authentication to external systems, such as a cloud storage service), is not automatically granted. This privilege requires an explicit grant.

NEW QUESTION # 15
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. Execute an Alter METHOD command for
B. Purge the request cache.
C. The user should log out and log back in to a new session.
D. Execute an OUTPUT command.

Answer: C

NEW QUESTION # 16
Given a user creation request on a 10-AMP system:
CREATE USER hr_user AS PERM = 100e9 SKEW = 10 PERCENT,
SPOOL = 100e9 SKEW = 20 PERCENT;
How does the SKEW factor affect the user's Perm space, assuming the total space consumed is under the specified perm space limit?

A. The per AMP limit of any AMP can reach 20 GB.
B. The per AMP limit of any AMP can reach 11 GET
C. The per AMP limit of 10 GB can be breached to any percent.
D. The per AMP limit of 100 GB can be breached up to 10 percent.

Answer: B

Explanation:
In the given CREATE USER statement, the SKEW = 10 PERCENT parameter applies to Perm space and allows some AMPs (Access Module Processors) to use up to 10% more space than the average allocation across the AMPs.
The user is allocated 100 GB of Perm space across a 10-AMP system, meaning the average space per AMP is 10 GB.
With a 10% skew allowed, this means that an AMP can use up to 10% more than the average allocation, which is 10 GB + 1 GB = 11 GB.

NEW QUESTION # 17
......

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HIGH HIT RATE SIMULATIONS TDVAN5 PDF TO OBTAIN TERADATA CERTIFICATION

High Hit Rate Simulations TDVAN5 Pdf to Obtain TeraData Certification