Exam 300-535 topic 1 question 38 discussion

Actual exam question from Cisco's 300-535

Question #: 38
Topic #: 1

[All 300-535 Questions]

Refer to the exhibit. What is the significance of "*" before the "father" leaf that is shown in the pyang tree output?

A. It is a node list in a leaf type node.
B. The father leaf is a key in the family list type.
C. The leaf father is read-write in the family list.
D. The node father is read-only in the family list.

Show Suggested Answer

Suggested Answer: C 🗳️

by endermao at Oct. 27, 2020, 3:27 p.m.

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endermao

Highly Voted 3 years, 7 months ago

Correct Answer is A. * is for a list: https://tools.ietf.org/id/draft-ietf-netmod-yang-tree-diagrams-01.html <opts> is one of: ? for an optional leaf, choice, anydata or anyxml ! for a presence container * for a leaf-list or list [<keys>] for a list's keys / for a mounted module @ for a node made available via a schema mount

upvoted 7 times

bldr

2 years, 10 months ago

list in a leaf is not possible thus the answer is not A

upvoted 2 times

[Removed]

1 year, 4 months ago

It is not a leaf-list. It is a node list in leaf type node. A is correct

upvoted 1 times

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JM_Lee

Highly Voted 3 years ago

As I think, the answer is B. Because family is a list-node not a leaf-type list.

upvoted 5 times

arthurb

3 years ago

agree, also the * represents a key

upvoted 2 times

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karen1337

Most Recent 7 months, 1 week ago

Selected Answer: B

This is very easy to check yourself. pyang -f tree openconfig-interfaces.yang module: openconfig-interfaces +--rw interfaces +--rw interface* [name] https://github.com/YangModels/yang/blob/main/vendor/cisco/xr/732/openconfig-interfaces.yang#L1029 You can see... list interface { key "name" followed by... leaf name { The "name" leaf is a key in the "interface" list type.

upvoted 1 times

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Mellon

1 year, 9 months ago

https://datatracker.ietf.org/doc/rfc8340/ square-bracket is key, * is list or leaf-list

upvoted 1 times

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