Which YAML block scalar style preserves line breaks exactly as written, without folding them?

Folded block scalar (using `>`)

Literal block scalar (using `|`)

What is the purpose of the `---` marker in a YAML file?

It denotes a comment line that is ignored by the parser.

It indicates the start of a new YAML document.

It marks the end of a YAML document.

It separates a key from its value in a mapping.

A network automation engineer is writing a YAML file to define a list of routes. The engineer writes: routes: - prefix: 192.0.2.0/24 next-hop: 10.0.0.1 - prefix: 198.51.100.0/24 next-hop: 10.0.0.2 What is the correct way to describe the data structure?

A mapping containing a sequence of mappings

Why is YAML often preferred over JSON for configuration files in DevOps?

YAML is the only format supported by Kubernetes.

YAML is a binary format that is more compact.

YAML supports comments, making it easier to document configurations.

YAML is faster to parse than JSON.

Given the YAML snippet: ```yaml base: &defaults timeout: 30 retries: 3 service: <<: *defaults timeout: 60 ``` What is the value of `service.timeout`?

An error occurs because you cannot override a merged key.

Juniper NetworksCertified Associate, Automation and DevOps

Domain 3Objective 1

YAML JN0-224 Practice Questions (Page 4)

Part of the Data Serialization domain, which makes up ~9% of our current practice bank. Juniper Networks does not publish an official question count, but from its 90-minute exam (~35–60 total, ~3–5 in this domain), expect 2–3 from this objective — we provide 26 practice questions to prepare you well beyond it. (estimate)

26questions here

6free pages

6concepts

Questions 16–20

16foundation · easy
Which YAML block scalar style preserves line breaks exactly as written, without folding them?
Select an answer first
17foundation · easy
What is the purpose of the `---` marker in a YAML file?
Select an answer first
18application · easy
A network automation engineer is writing a YAML file to define a list of routes. The engineer writes: routes: - prefix: 192.0.2.0/24 next-hop: 10.0.0.1 - prefix: 198.51.100.0/24 next-hop: 10.0.0.2 What is the correct way to describe the data structure?
Select an answer first
19foundation · easy
Why is YAML often preferred over JSON for configuration files in DevOps?
Select an answer first
20foundation · easy
Given the YAML snippet: ```yaml base: &defaults timeout: 30 retries: 3 service: <<: *defaults timeout: 60 ``` What is the value of `service.timeout`?
Select an answer first

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