MongoDB Exam C100DBA Topic 1 Question 64 Discussion

Actual exam question for MongoDB's C100DBA exam

Question #: 64
Topic #: 1

Given a collection posts as shown below having a document array comments, which of the following command will create an index on the comment author descending?

Adb.posts.createIndex({^comments.$.author':-l});

Bdb. posts.createIndex({^comments.author' :1});

Cdb.posts.createIndex({^commerits.author';-!});

Show Suggested Answer

Suggested Answer: A, B, C

by Carmela at Jan 06, 2023, 07:14 AM

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