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TeraData TDVAN5 Exam
Vantage Administration (Page 4 )

Updated On: 1-Feb-2026
Page 3 of 16
PDF with 72 Questions

A customer has to use Data Mover with legacy tools to transfer data from the production system to the disaster recovery (DR) system. Both systems are on-prem, but located in different geographies.
Where should the Data Mover Server be deployed to provide optimum data transfer?

  1. Location does not affect data transfer bandwidth.
  2. In the cloud
  3. In the source environment (production]
  4. In the target environment

Answer(s): C

Explanation:

Data Mover Server should be deployed in the source environment (production) for optimum data transfer. This setup ensures that the data is transferred as efficiently as possible from the production system to the disaster recovery (DR) system. By having the server close to the source, it can access the data more quickly and efficiently initiate the transfer process, minimizing delays caused by geographic distance.
Location does not affect data transfer bandwidth: Location does affect data transfer bandwidth due to network latency and distance between systems.
In the cloud: Using a cloud environment would introduce unnecessary complexity and potential latency since both systems are on-prem.
In the target environment (DR): Deploying the Data Mover Server in the target environment could introduce latency issues, as it would have to pull data from the production system over long distances.
Thus, placing the server in the source environment is optimal for reducing latency and maximizing data transfer efficiency.



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?

  1. Full-table
  2. [Dynamic AMP Sample
  3. Sampled
  4. Summary

Answer(s): 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.



Which description accurately characterizes the use of external authentication for Vantage?

  1. The directory username must match a database username.
  2. Single Sign-On is available with LDAP authentication.
  3. User authorization roles can also be supplied by the directory.
  4. External authentication is not permitted for mainframe clients.

Answer(s): C

Explanation:

This is because external authentication systems like LDAP or Active Directory can supply both authentication (verifying the user's identity) and authorization (defining what the user is allowed to do) roles for users.



Which compression format is supported by NOS?

  1. ORC
  2. ZLIB
  3. Snappy
  4. BZIP

Answer(s): C

Explanation:

NOS (Native Object Store) supports data compression formats such as Snappy for efficient storage and retrieval of data.
ORC (Optimized Row Columnar) is a file format, not a compression format. ZLIB is a compression library but is not the primary format used in NOS. BZIP is a compression format, but it is not widely supported by NOS compared to Snappy.



An Administrator needs to perform a cleanup task on the LOAD_ISOLATED table Employee_Address, which has grown in size.
Which lock is placed on the table when the Administrator performs clean up of the logically deleted rows?

  1. WRITE
  2. ROW ACCESS
  3. EXCLUSIVE
  4. IREAD

Answer(s): A

Explanation:

When performing cleanup tasks such as deleting logically deleted rows, the WRITE lock is typically applied. This lock ensures that the Administrator can modify the data in the table (such as removing logically deleted rows) while preventing other users from accessing the table for write operations. However, it allows other users to read from the table.
Other lock types:
ROW ACCESS allows reading specific rows without blocking other access, which is not suitable for cleanup tasks.
EXCLUSIVE locks the entire table for both reading and writing, which is generally too restrictive for this kind of operation.
READ only allows read access and does not permit any modifications, which would prevent the cleanup task from being performed.



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