YAML JN0-224 Practice Questions (Page 2)

Questions 6–10

1. 6application · medium

   A YAML file contains the following: base: &base mtu: 1500 duplex: full interface: <<: *base mtu: 9000 What is the value of 'duplex' for 'interface'?

   • Afull
   • BAn error occurs because 'mtu' is overridden.
   • Chalf
   • Dnull
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2. 7foundation · easy

   What is the purpose of an anchor in YAML?

   • ATo indicate the end of a document.
   • BTo comment out a portion of the document.
   • CTo define a new data type for the document.
   • DTo assign a name to a value so it can be referenced later in the document.
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4. 8expert · medium

   A network engineer is writing a YAML file to define a list of interfaces, where each interface has a name and a list of IP addresses. The engineer writes: interfaces: - name: ge-0/0/0 addresses: - 192.0.2.1/24 - 192.0.2.2/24 - name: ge-0/0/1 addresses: - 198.51.100.1/24 When parsed, what is the data type of 'addresses' for each interface?

   • AA mapping
   • BA sequence of strings
   • CA sequence of mappings
   • DA string
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5. 9application · easy

   A network engineer is creating a YAML file to define a list of VLANs. The engineer writes: vlans: - id: 10 name: management - id: 20 name: voice When this is parsed, what is the data type of 'vlans'?

   • AA scalar (string)
   • BA set
   • CA sequence (list)
   • DA mapping (dictionary)
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6. 10foundation · easy

   What is the effect of using the folded block scalar indicator `>` in YAML?

   • AIt treats the text as a single-quoted string.
   • BIt removes all line breaks and joins the text into one long line.
   • CIt folds single line breaks into spaces, but preserves blank lines.
   • DIt preserves all line breaks exactly as written.
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