Which of the following is a benefit of using containers compared to traditional virtual machines?

Containers can only run on Linux operating systems

Containers provide stronger isolation than virtual machines

Containers require a hypervisor to run

Containers are more lightweight and start faster than virtual machines

A data science team wants to share a Jupyter notebook with all its dependencies so that colleagues can reproduce the analysis on any machine. The team uses different operating systems. Which approach ensures the most consistent and portable reproduction?

Share the notebook file and a requirements.txt file for manual installation.

Package the notebook and its environment into a Docker image.

Email the notebook file to colleagues and ask them to run it in their local Python installation.

Upload the notebook to a shared network drive and run it from there.

A financial firm has a strict policy that all data must remain under its direct physical control. The firm is evaluating infrastructure options for a new analytics database. Which option aligns with this policy?

Use a hybrid cloud with the database on-premise and backups in the cloud.

Deploy the database on servers in the firm's own data center.

Use a private cloud hosted by a managed service provider.

Use a public cloud database in a dedicated region.

A media company stores video files that are actively edited for 30 days, then archived for 5 years. The editing team needs low-latency access, while the archive is rarely accessed. The company wants to minimize total storage cost. Which combination of storage solutions is most appropriate?

Use on-premise high-performance storage for both editing and archival.

Use a cloud object storage bucket for both active editing and archival.

Use a cloud archive tier for editing and on-premise storage for archival.

Use high-performance on-premise storage for editing and a cloud archive tier for long-term retention.

CompTIAData+

Domain 1Objective 3

Recognize Infrastructure Concepts DA0-001 Practice Questions (Page 5)

Part of the Data concepts and environments domain, which accounts for 20% of the DA0-001 exam. CompTIA does not publish an official question count, but from its 90-minute exam (~35–60 total, ~7–12 in this domain), expect 1–2 from this objective — we provide 24 practice questions to prepare you well beyond it. (estimate)

24questions here

5free pages

4concepts

20%of the exam

Questions 21–24

21foundation · easy
Which of the following is a benefit of using containers compared to traditional virtual machines?
Select an answer first
22application · medium
A data science team wants to share a Jupyter notebook with all its dependencies so that colleagues can reproduce the analysis on any machine. The team uses different operating systems. Which approach ensures the most consistent and portable reproduction?
Select an answer first
23application · medium
A financial firm has a strict policy that all data must remain under its direct physical control. The firm is evaluating infrastructure options for a new analytics database. Which option aligns with this policy?
Select an answer first
24expert · hard
A media company stores video files that are actively edited for 30 days, then archived for 5 years. The editing team needs low-latency access, while the archive is rarely accessed. The company wants to minimize total storage cost. Which combination of storage solutions is most appropriate?
Select an answer first

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