Which of the following is a core function of an operating system?

Compiling application source code

Providing a word processor for document editing

Managing hardware resources such as CPU, memory, and devices

Which action is part of managing a virtual machine's lifecycle?

Taking a snapshot to capture the current state before a change

Flashing the VM's BIOS firmware

Writing a Dockerfile for the VM

What is the role of a hypervisor in virtualization?

It creates and manages virtual machines by abstracting the underlying hardware

It provides a user interface for the operating system

It manages network traffic between containers

It compiles source code into machine code

What is a key difference between a container and a virtual machine?

Containers can only run on Linux, while VMs can run any OS

Containers require a hypervisor, while VMs do not

Containers share the host OS kernel, while VMs each run a full guest OS

Containers are always slower than VMs

A DevOps team is deploying a web application that consists of a frontend, a backend API, and a database. They want to use Docker Compose to define and run the multi-container application. The team needs to ensure that the backend API starts only after the database is ready to accept connections. Which Docker Compose configuration approach should be used?

Use the 'depends_on' attribute with a health check condition for the database service.

Add a sleep command in the backend container's entrypoint to wait for the database.

Start the database container manually, then run the backend container.

Use 'depends_on' without any condition.

Certified Cybersecurity Operations Analyst

Domain 1Objective 2

Systems and Software CCOA Practice Questions (Page 7)

Part of the Domain 1: Technology Essentials domain, which accounts for 25% of the CCOA exam. ISACA does not publish an official question count, but from its 240-minute exam (~95–160 total, ~24–40 in this domain), expect 8–13 from this objective — we provide 37 practice questions to prepare you well beyond it. (estimate)

37questions here

8free pages

13concepts

25%of the exam

Questions 31–35

31foundation · easy
Which of the following is a core function of an operating system?
Select an answer first
32foundation · easy
Which action is part of managing a virtual machine's lifecycle?
Select an answer first
33foundation · easy
What is the role of a hypervisor in virtualization?
Select an answer first
34foundation · easy
What is a key difference between a container and a virtual machine?
Select an answer first
35expert · medium
A DevOps team is deploying a web application that consists of a frontend, a backend API, and a database. They want to use Docker Compose to define and run the multi-container application. The team needs to ensure that the backend API starts only after the database is ready to accept connections. Which Docker Compose configuration approach should be used?
Select an answer first

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