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Mock TDVAN5 Exam & Valid Exam Dumps TDVAN5 Demo Bring you the Best Products for HCIA-Datacom V1.0

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TeraData HCIA-Datacom V1.0 Sample Questions (Q65-Q70):

NEW QUESTION # 65
An Administrator is working through a set of tasks to set up a new Vantage system. The current task is to set up alerts to trigger BTEQ scripts to run when certain conditions are met.
Which action should an Administrator take?

A. Define a delivery setting to run SQL.
B. Configure an action set specifying BTEQ.
C. Ensure the SMTP host is using TLS.
D. Specify BTEQ in a SNMP Trap.

Answer: B

Explanation:
Action sets in Teradata Vantage allow the administrator to define a set of actions that should occur when certain conditions (alerts) are triggered. In this case, the action set should be configured to run a BTEQ script when the conditions are met. This approach ensures that specific automated responses (such as running BTEQ scripts) are executed in response to alerts.
Option A (Define a delivery setting to run SQL) refers to running SQL commands but does not involve triggering BTEQ scripts, which is what the question requires.
Option B (Ensure the SMTP host is using TLS) is related to secure email notifications and is unrelated to running BTEQ scripts.
Option D (Specify BTEQ in a SNMP Trap) refers to Simple Network Management Protocol traps, which are used for network monitoring and not directly for triggering BTEQ scripts.

NEW QUESTION # 66
Which portlets contain detailed information about QueryGrid requests?

A. Metrics Analysis, Node Monitor, Completed Queries
B. Application Queries, My Queries, Query Groups
C. My Queries, Completed Queries, Metric Heatmap
D. Completed Queries, Query Groups, My Queries

Answer: D

Explanation:
Completed Queries: This portlet provides details about queries that have already been executed, including those involving QueryGrid. It helps in analyzing query performance and execution details.
Query Groups: This portlet allows you to group and monitor specific queries, including QueryGrid requests, which can help in tracking performance and workload management across groups of queries.
My Queries: This portlet gives users a view of the queries they have executed, including any QueryGrid requests, making it a useful tool for tracking query status and performance.
The combination of these portlets provides comprehensive insight into QueryGrid requests, allowing administrators and users to monitor, analyze, and troubleshoot them effectively.

NEW QUESTION # 67
A Vantage customer is using the Hive Connector in QueryGrid to access a foreign server and push the processing onto the Hadoop Cluster. The Vantage Administrator is concerned about the performance implication of the temporary space that is consumed by these queries during execution.
What must the Vantage Administrator investigate?

A. Spool space and temporary database name defined on the link
B. Perm space assigned to the user executing the QueryGrid query
C. The default temporary NOS location defined on the connector
D. Temp space assigned to the Teradata user defined in the authorization object

Answer: A

Explanation:
When using the Hive Connector in QueryGrid to push processing onto a Hadoop cluster, queries generate temporary data that consumes spool space on the Vantage system. The temporary database name defined on the link is where this temporary data is stored during execution.
The administrator should focus on investigating the spool space allocations and configurations related to the QueryGrid link because this directly impacts performance, especially when managing large datasets or complex queries.
The other options are less relevant:
Perm space assigned to the user is not directly related to the temporary space used during query execution.
The default temporary NOS location pertains to object storage and is unrelated to Hadoop or QueryGrid processing.
Temp space assigned to the Teradata user is also less relevant, as the spool space and the QueryGrid link are the primary concerns for temporary space usage in this scenario.

NEW QUESTION # 68
Which statement accurately characterizes privileges?

A. Granting a privilege at the database level automatically causes that privilege to be inserted in DBC.AccessRights for each object contained in the database.
B. Users have no privileges on any objects they create unless specific grants are made.
C. Databases have privileges on all objects created within them without the need for explicit grants.
D. Granting a privilege at the user level does not affect DBC.AccessRights.

Answer: A

Explanation:
When a privilege is granted at the database level, it applies to all objects within the database, and this is reflected in DBC.AccessRights, which tracks access rights for users and roles on specific objects.

NEW QUESTION # 69
An Administrator has been presented with these performance metrics from the DBQLOGTBL table for four queries:

The Administrator needs to identify which query is suspected to be causing a full table scan or large redistribution.
Which query is producing this result?

A. QRY_D because of CPU SKEW
B. QRY_B because of IO SKEW
C. QRY_C because of UII
D. QRY_A because of PJI

Answer: B

Explanation:
IO SKEW refers to an uneven distribution of I/O operations across AMPs, which can occur during large redistributions or full table scans, as data needs to be read from or written to the entire table. High IO skew indicates that some AMPs are handling significantly more I/O than others, which is often a sign of inefficient data distribution or full table scanning.
QRY_B has an IO SKEW value of 2.76, which is much higher than the other queries, suggesting that it is likely performing a full table scan or large redistribution, as this would result in uneven I/O across AMPs.
CPU SKEW (as seen in QRY_D) could indicate an issue with CPU load balancing, but it doesn't necessarily suggest a full table scan or redistribution.
UII (Utility Impact Index) and PJI (Product Join Index) are also metrics that might indicate query inefficiencies, but the high IO SKEW in QRY_B is the most direct indicator of a full table scan or large redistribution.
QRY_B is the query suspected of causing the full table scan or large redistribution due to its high IO SKEW value.

NEW QUESTION # 70
......

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