1
Selenium is mainly used for
Correct Answer
automating web browser testing
☑ MCQ PRACTICE
DevOps Unit 5
Practice objective questions for quick revision and examination preparation. Try answering each question before revealing the answer.
DevOps - Unit-5
2
Which Selenium component allows tests to run in parallel on multiple machines?
Correct Answer
Selenium Grid
3
Selenium IDE is
Correct Answer
a browser-based tool for recording and playing back tests
4
Which of the following is a JavaScript testing framework?
Correct Answer
Jasmine
5
The test-driven development (TDD) cycle is
Correct Answer
Red, Green, Refactor
6
In TDD, the first step is to
Correct Answer
write a failing test
7
REPL stands for
Correct Answer
Read-Eval-Print Loop
8
A main advantage of test automation is
Correct Answer
fast and repeatable regression testing
9
A common disadvantage of test automation is
Correct Answer
high initial cost and effort to maintain test scripts
10
Integration testing checks
Correct Answer
the interaction between modules or components
11
Re-running tests after a change to ensure nothing else is broken is called
Correct Answer
regression testing
12
Puppet uses which architecture?
Correct Answer
Master and agent
13
Puppet configuration files are called
Correct Answer
manifests
14
Ansible connects to managed machines mainly using
Correct Answer
SSH
15
Ansible playbooks are written in
Correct Answer
YAML
16
In Chef, configuration instructions are written in units called
Correct Answer
recipes
17
Chef's configuration language is based on
Correct Answer
Ruby
18
In SaltStack, the managed nodes are called
Correct Answer
minions
19
A Docker container is
Correct Answer
a running instance of a Docker image
20
A Dockerfile is
Correct Answer
a text file with instructions to build a Docker image
21
A hypervisor is software that
Correct Answer
creates and runs virtual machines
22
Which code is executed at the client side in a web browser?
Correct Answer
JavaScript
23
Replacing a real backend service with a simulated one during testing is called
Correct Answer
mocking
24
A key benefit of test-driven development is
Correct Answer
better design and fewer defects
25
Docker Hub is
Correct Answer
a registry for storing and sharing container images
Fill in the Blanks
26
TDD follows the Red, Green and __________ cycle.
Correct Answer
Refactor
27
REPL stands for Read-Eval-Print __________.
Correct Answer
Loop
28
Selenium __________ allows tests to run in parallel on multiple machines.
Correct Answer
Grid
29
Selenium __________ is a browser-based record and playback tool.
Correct Answer
IDE
30
__________ testing re-runs tests after a change to make sure nothing else is broken.
Correct Answer
Regression
31
Puppet uses a master and __________ architecture.
Correct Answer
agent
32
Ansible configuration files are called __________ and are written in YAML.
Correct Answer
playbooks
33
Ansible is __________ less because it needs no agent on managed machines.
Correct Answer
agent
34
Chef groups its configuration instructions into recipes and __________.
Correct Answer
cookbooks
35
In SaltStack, the managed nodes are called __________.
Correct Answer
minions
36
A __________ contains the instructions to build a Docker image.
Correct Answer
Dockerfile
37
A __________ creates and runs virtual machines.
Correct Answer
hypervisor
38
Jasmine and Mocha are __________ testing frameworks.
Correct Answer
JavaScript
39
A running instance of a Docker image is called a __________.
Correct Answer
container
40
Puppet configuration code is stored in files called __________.
Correct Answer
manifests