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NEW QUESTION # 12
Which statement accurately characterizes privileges?
- A. Users have no privileges on any objects they create unless specific grants are made.
- B. Databases have privileges on all objects created within them without the need for explicit grants.
- C. Granting a privilege at the user level does not affect DBC.AccessRights.
- D. Granting a privilege at the database level automatically causes that privilege to be inserted in DBC.AccessRights for each object contained in the database.
Answer: D
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 # 13
Which portlets contain detailed information about QueryGrid requests?
- A. Metrics Analysis, Node Monitor, Completed Queries
- B. Application Queries, My Queries, Query Groups
- C. Completed Queries, Query Groups, My Queries
- D. My Queries, Completed Queries, Metric Heatmap
Answer: C
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 # 14
An Administrator needs to restrict developers from accessing the Vantage system during the night, between 11:00PM and 05:00AM, but they are permitted to have limited access during the rest of the day.
How should the Administrator accomplish this goal?
- A. Create a health condition that will check which user id is accessing the system, and abort any request that is received between 11:00PM and 05:00AM.
- B. Create a Planned Environment that will throttle to zero the concurrency of the developers between 11:00PM and 05:00AM.
- C. Change any workloads that developers match to have a throttle count of 0.
- D. Create a system filter that matches the developers accountstring, and include a classification criteria time window between 11:00PM and 05:00AM.
Answer: B
Explanation:
A Planned Environment in Teradata Workload Management allows the Administrator to configure different system behaviors based on time windows. By throttling the concurrency of developer workloads to zero between 11:00 PM and 05:00 AM, the Administrator effectively restricts developers from running queries or jobs during that period. Outside of that time window, you can configure a limited concurrency for the developers.
Option A (Create a system filter): A filter can be used to restrict access based on the accountstring, but it isn't the most efficient way to handle time-based restrictions.
Option B (Create a health condition): This would involve more manual intervention and isn't designed for consistent, scheduled access control like Planned Environments.
Option C (Change workloads to have a throttle count of 0): While throttling the workload could work, Planned Environments provide a more flexible and scheduled approach for handling time-based restrictions.
NEW QUESTION # 15
An Administrator manages a Vantage system that is continually updated. The system is critical to the business and must be available as much as possible. The Administrator decides to use a backup strategy that will allow changes to tables while a backup is in progress.
Which backup strategy should be used?
- A. Dictionary Only
- B. Offline
- C. Online
- D. Skip statistics
Answer: C
Explanation:
An Online backup strategy allows the database to remain accessible and operational while the backup is taking place. This means that users can continue to modify data, and the system can remain available without requiring downtime. It is a common approach for mission-critical systems that need to maximize uptime.
Offline would require the system or certain tables to be unavailable during the backup process, which is not suitable for a system that needs to remain available.
Skip statistics refers to skipping the backup of statistics on database objects and does not relate to whether the system can be updated during the backup.
Dictionary Only involves backing up only the system catalog or dictionary data, not the actual table data, and would not fulfill the requirement of a comprehensive backup while allowing updates.
NEW QUESTION # 16
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. Define a new state for SELECT statements based on estimated processing time and active the time share decay.
- B. Place the WD-Report workload in the Service Level Goal (SLG) tier with 50% relative weight.
- C. Create a throttle to reduce flow control.
- D. Create a new workload for SELECT statements based on the estimated processing time, and place in the Time Share TOP.
Answer: D
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 # 17
The Administrator has dropped a profile which was associated with a group of users.
What will happen when one of the users from the group logs on to the database?
- A. Password attributes defined at the system level in DBCSecurityDefaultsV will apply
- B. The system will show a warning message.
- C. SPOOL and DEFAULT DATABASE specifications for the dropped profile will still apply to the user.
- D. The default profile setting for the user will be reset to NULL.
Answer: A
Explanation:
When a profile is dropped, the users who were associated with that profile will no longer have the specific resource and configuration settings defined by that profile. Instead, the system-level default settings, such as those specified in DBC.SecurityDefaultsV, will apply to the users. This includes password attributes and other system-wide settings.
Option A (The default profile setting for the user will be reset to NULL) is not accurate, as the system will revert to the default settings rather than leaving values unset.
Option C (The system will show a warning message) does not typically occur when a profile is dropped. The system will manage the transition without user-facing warnings at login.
Option D (SPOOL and DEFAULT DATABASE specifications for the dropped profile will still apply to the user) is incorrect because once the profile is dropped, its settings no longer apply to the users who were associated with it.
Thus, the correct outcome is that system-level attributes defined in DBC.SecurityDefaultsV will govern the users' settings moving forward.
NEW QUESTION # 18
An Administrator has been asked to improve the response time of the workloads in the tactical tier. Workloads are in all tiers of TASM. They are at CPU and I/O capacity, and they have AWT reserved for tactical. The Administrator begins by analyzing the data and the workload prioritization.
Which action should the Administrator take?
- A. Increase the number of AWTs.
- B. Disable the expedite option of the workloads in the SLG Tier level 1.
- C. Increase the relative weight of the tactical tier.
- D. Adjust the limits of awt concurrency in the tactical tier using DBS control.
Answer: C
Explanation:
In a TASM (Teradata Active System Management) environment, the relative weight of different tiers (such as tactical, SLG, or background) determines the amount of CPU and I/O resources allocated to each tier. Increasing the relative weight of the tactical tier would prioritize these workloads, giving them more resources relative to other tiers and improving their response time.
Option B (Disable the expedite option of the workloads in the SLG Tier level 1) might alleviate some resource pressure from SLG Tier 1 workloads, but it doesn't directly improve the prioritization or resource allocation for tactical workloads.
Option C (Increase the number of AWTs) is not applicable because the system already has reserved AWTs for tactical workloads, and AWT (AMP Worker Task) availability is likely not the bottleneck here. Simply increasing the number of AWTs without addressing the core CPU and I/O resource allocation will not improve tactical workload response.
Option D (Adjust the limits of AWT concurrency in the tactical tier using DBS control) might provide marginal improvements but won't have a significant impact on overall resource prioritization. It focuses more on concurrency management than directly improving workload performance through resource allocation.
NEW QUESTION # 19
What is the maximum payload size for CSV and JSON data formats that the NOS_READ function can read, when it is based on the LATIN character set?
- A. 16 MB
- B. 8 GB
- C. 32 MB
- D. 2 GB
Answer: C
Explanation:
When using the NOS_READ function in Teradata to read data in CSV and JSON formats based on the LATIN character set, the maximum payload size that can be read is 32 MB. This limit ensures efficient processing and handling of large datasets, while also maintaining performance.
NEW QUESTION # 20
Which view contains privilege checks for user requests?
- A. DBC.UserRightsV
- B. DBC.AccLogRulesV
- C. DBC.AllRightsVX
- D. DBC.AccessLogV
Answer: D
Explanation:
DBC.AccessLogV contains details regarding access logging, including privilege checks for user requests.
This view provides information about when users' actions are logged, specifically in relation to access attempts and whether these actions are allowed or denied based on their privileges.
NEW QUESTION # 21
Partition elimination enhances query performance by skipping row partitions that do not contain rows that meet the search conditions of a query. Without collected statistics for some partitioning expressions, the Optimizer assumes a total of 65,535 partitions. This could easily be far more than the number of populated partitions and would adversely affect performance.
Which form of partitioning will cause the Optimizer to make this assumption?
- A. Basing the partitioning expression on a CASE_N function
- B. Basing the partitioning expression on two or more numeric columns
- C. Partitioning on a character column
- D. Basing the partitioning expression on a RANGE_N character column
Answer: A
Explanation:
CASE_N partitioning is a complex form of partitioning that can result in a large number of potential partitions. When statistics are not collected for the partitioning expressions, the Optimizer assumes the worst-case scenario of 65,535 partitions, which can significantly affect query performance.
Option A (Partitioning on a character column) and Option C (Basing the partitioning expression on two or more numeric columns) could affect performance, but they don't lead to the specific assumption of 65,535 partitions unless more complex functions are involved.
Option D (Basing the partitioning expression on a RANGE_N character column) involves range-based partitioning, which is typically more straightforward and doesn't automatically cause the assumption of 65,535 partitions unless complex expressions like CASE_N are used.
NEW QUESTION # 22
An update of a very large table was in progress when the system experienced an unplanned restart. After restarting, the system is available, but Recovery Manager shows it may be many hours before a large table is available for use. The Administrator needs to make the table available sooner.
Which option should be used to achieve this goal?
- A. Cancel the rollback, and restore the table from backup.
- B. Use MultiLoad to execute a DROP of the table, and restore it from backup.
- C. Use Workload Manager to elevate the rollback to the SLG tier.
- D. Drop the transaction journal, and set RollbackPriority to TRUE.
Answer: A
Explanation:
When a system experiences an unplanned restart during an update operation, the rollback process can take a significant amount of time, especially for very large tables. Canceling the rollback will stop the system from attempting to undo the incomplete transactions.
After canceling the rollback, the table can be restored from a backup, which is a much faster way to recover the table and make it available for use again.
The other options are less effective:
Use Workload Manager to elevate the rollback to the SLG tier: While this may prioritize the rollback, it doesn't significantly reduce the time required for a large table rollback.
Use MultiLoad to execute a DROP of the table, and restore it from backup: MultiLoad is not typically used for dropping tables, and this adds unnecessary complexity.
Drop the transaction journal, and set RollbackPriority to TRUE: Dropping the transaction journal could lead to data inconsistencies, and setting RollbackPriority to TRUE does not directly make the table available sooner.
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. Adjust the system alert that has been configured for AWT to the recommended critical threshold of 92.
- B. Update the performance data collection portlet job that collects resource usage data with the 120 maximum AWT value.
- C. Configure the AWT Info data collector with the updated setting of 120 maximum AWT.
- 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
An Administrator notices that a system appears to be near capacity and needs to access a dictionary to assess that AMPs are entering into flow control.
Which dictionary should be accessed for this purpose?
- A. DBC.SessionInfoV
- B. DBC.ResUsageSawt
- C. DBC.AMPUsage
- D. DBC.ResUsageSldv
Answer: B
Explanation:
The DBC.ResUsageSawt view provides detailed information about the resource usage of AMP Worker Tasks (AWTs), including whether AMPs are experiencing flow control. Flow control occurs when AMPs are overwhelmed and need to throttle the workload, and this view tracks metrics related to AWT usage and system resource contention, which would indicate when AMPs are under strain.
Option A (DBC.SessionInfoV) provides information about current user sessions but does not provide insights into AMP-level flow control or resource usage.
Option C (DBC.AMPUsage) provides general statistics about AMP usage but doesn't give detailed information about flow control or AWT usage.
Option D (DBC.ResUsageSldv) tracks statistics related to logical disk usage but isn't focused on AMP flow control.
NEW QUESTION # 25
A business' operating periods are event-driven, and the batch window begins and ends at various times of the evening. The Administrator needs to configure TASM to dynamically trigger the reporting planned environment using an API call issued when the batch window ends.
Which type of event can the Administrator use to meet this requirement?
- A. User-Defined Event
- B. API Event
- C. System Event
- D. Period Event
Answer: A
Explanation:
User-Defined Event is the appropriate event type in TASM (Teradata Active System Management) for dynamically triggering actions based on custom triggers, such as the completion of an event-driven batch window. This event type allows the administrator to define specific conditions or API calls to trigger changes in the system, such as switching to a reporting planned environment.
The other options:
API Event is not a defined event type in TASM.
System Event is used for events triggered by system-level occurrences, such as system state changes or alerts, but not for custom triggers like batch window completion.
Period Event is based on predefined, fixed time intervals, which wouldn't work for the variable timing of the batch window in this scenario.
NEW QUESTION # 26
An Administrator manages a Vantage system that experiences large loads and updates during the night, on weekdays. On Saturday night, significant analytical processing occurs using the data from the prior weeks. The results of this processing are saved to support rapid reporting in the following week.
The business requires this Vantage system to be available as soon as possible in case of a catastrophic system failure.
Which backup strategy meets this need?
- A. Daily delta backups
- B. Weekly full backup, cumulative backups on Tuesday and Friday, and delta backups on the remaining days
- C. Weekly cumulative backup on Sunday and Wednesday, and delta backups on the remaining days
- D. Daily full backups
Answer: B
Explanation:
This strategy strikes a balance between minimizing recovery time and reducing the overall storage and performance impact during backups.
Weekly full backup ensures that a complete copy of the data is available at the start of the week, which is critical for quick recovery in the event of a catastrophic system failure.
Cumulative backups on Tuesday and Friday ensure that any changes made since the last full backup are captured without needing to apply multiple delta backups, reducing the time required for restoration.
Delta backups on other days provide incremental backups of the system with minimal performance impact, ensuring the system is consistently backed up without using excessive resources.
NEW QUESTION # 27
The Administrator defined the following AWT resource limits in Viewpoint Workload Designer:
* Rule 1: A limit of 50 percent of AWTs for all DSA restore jobs in the system, with reject
* Rule 2: A limit of 20 percent of AWTs for DSA restore jobs from user UserA, with delay
* Rule 3: A limit of 10 percent of AWTs for DSA restore jobs from user UserB, with delay UserB is running DSA restore jobs, consuming 10% of AWTs. Other users are running DSA restore jobs and consuming 40% of AWTs.
What will TASM do if UserA submits a DSA restore job request?
- A. TASM delays it because it would exceed the AWT limit of Rule 1.
- B. TASM rejects it because it would exceed the AWT limit of Rule 1.
- C. TASM rejects it because it does not exceed the AWT limit of Rule 2.
- D. TASM delays it because it does not exceed the AWT limit of Rule 2.
Answer: A
Explanation:
Rule 1 limits all DSA restore jobs in the system to 50% of AWTs. Currently, 40% of AWTs are consumed by other users, and UserB is consuming 10%. So, the total AWT usage is already at the 50% limit.
Since submitting a new DSA restore job from UserA would exceed the 50% limit set in Rule 1, TASM will delay the request, as Rule 1 applies system-wide.
Rule 2 applies specifically to UserA, but Rule 1 takes precedence since the total system AWT usage is already at the global 50% threshold.
Thus, TASM delays the job because it would violate the global AWT limit in Rule 1.
NEW QUESTION # 28
How can an Administrator monitor the data volume that is transferred for a Data Mover job via Viewpoint?
- A. By accessing the Completed Queries portlet and selecting the Data Mover job
- B. By submitting the datamove status -job_name command in the remote console
- C. By using the Data Mover portlet accessing the log tab
- D. By viewing the job statistics tab of the Performance Data Collection portlet
Answer: C
Explanation:
The Data Mover portlet in Viewpoint provides specific functionality for managing and monitoring Data Mover jobs. By accessing the log tab within the Data Mover portlet, the Administrator can review detailed logs, including the data volume that was transferred during the job execution.
Option A (Completed Queries portlet) focuses on monitoring and analyzing completed queries but does not provide detailed insights into Data Mover jobs.
Option C (Performance Data Collection portlet) is used for monitoring system performance but is not directly related to Data Mover job details or data transfer volumes.
Option D (datamove status command) is a CLI (Command-Line Interface) method to check job status, but it is not related to monitoring the data volume within the Viewpoint environment.
NEW QUESTION # 29
An Administrator reports a power user running a query that is consuming significant CPU in a final step product join and impacting other users due to the high priority of the workload.
Upon contacting the user in the application team, they are advised that the query is a request from the CEO and needs to be completed. The team decides to remediate the situation by changing the workload to a lower priority.
Which Viewpoint portlet should be used to make this adjustment?
- A. Query Monitor
- B. Workload Designer
- C. Workload Health
- D. Application Queries
Answer: B
Explanation:
The Workload Designer portlet in Viewpoint is used to manage and adjust workloads, including setting priorities for different workloads. To address the situation where a high-priority query is consuming too many resources, the Workload Designer can be used to adjust the priority of the workload that the query belongs to, ensuring that the impact on other users is reduced while still allowing the query to complete.
The other options are less suited for adjusting workload priorities:
Application Queries is used to monitor and manage queries related to specific applications but does not provide direct options to change workload priorities.
Query Monitor allows the monitoring of active queries and possibly aborting problematic queries but does not handle workload priority changes.
Workload Health is used for monitoring the health and performance of workloads, but it is not the tool used to modify priorities.
NEW QUESTION # 30
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