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Welcome to the Data Warehouse Deployment MCQs Page

Dive deep into the fascinating world of Data Warehouse Deployment with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Warehouse Deployment, a crucial aspect of Data Warehousing and OLAP. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Warehouse Deployment, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Data Warehousing and OLAP.

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Check out the MCQs below to embark on an enriching journey through Data Warehouse Deployment. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Warehousing and OLAP.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Data Warehouse Deployment. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Warehouse Deployment MCQs | Page 8 of 9

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Q71.
In a practical backup schedule for a data warehouse, what factors may influence the frequency of backups for active and static data?

a.

User preferences

b.

Size of the data warehouse

c.

Availability of source systems

d.

Complexity of the recovery plan

Discuss
Answer: (b).Size of the data warehouse Explanation:In a practical backup schedule for a data warehouse, the size of the data warehouse may influence the frequency of backups for active and static data.
Q72.
What is a consideration when estimating average downtime for recovery in a data warehouse?

a.

Users' surprise factor

b.

Recovery plan complexity

c.

Users' agreement on downtime

d.

Frequency of recovery drills

Discuss
Answer: (c).Users' agreement on downtime Explanation:When estimating average downtime for recovery in a data warehouse, obtaining users' agreement on downtime is a consideration.
Q73.
What is an important step in the recovery process for a data warehouse?

a.

Relying on daily incremental load files for recovery

b.

Keeping the users uninformed during recovery

c.

Testing the recovery procedure regularly

d.

Assuming source systems will always be available

Discuss
Answer: (c).Testing the recovery procedure regularly Explanation:An important step in the recovery process for a data warehouse is testing the recovery procedure regularly.
Q74.
It is a good practice to drop the indexes before the initial load.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True Explanation:Dropping indexes before the initial load and recreating them after can improve the performance of the loading process.
Q75.
The key of the fact table is independent of the keys of the dimension tables.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False Explanation:The key of the fact table is typically a composite key composed of foreign keys from dimension tables, establishing a relationship.
Q76.
Remote deployment of desktop tools is usually faster.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True Explanation:The speed of remote deployment can vary based on factors such as network conditions and the size of the tools. It may be true or false depending on the specific circumstances.
Q77.
A pilot data mart is necessary when the users are already very familiar with data warehousing.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False Explanation:A pilot data mart is not strictly necessary, especially if users are already familiar with data warehousing. However, it can still be beneficial for testing and validating the approach.
Q78.
Backing up the data warehouse is not necessary under any conditions because you can recover data from the source systems.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False Explanation:Backing up the data warehouse is necessary for data recovery and to ensure data integrity, even if data can be recovered from the source systems.
Q79.
Passwords must be cryptic and arbitrary.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True Explanation:Using cryptic and arbitrary passwords is a good practice for security to enhance protection against unauthorized access.
Q80.
Always checkpoint the load jobs.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True Explanation:Checkpointing load jobs helps in resuming the loading process from the last completed checkpoint in case of failures, ensuring data consistency.
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