Question 11 : Which of the following is related to document that do not provide a way to weight results?
1. Stemming
2. Synonyms
3. Ranking
4. None of the mentioned
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Question 12 : ________ indexes can include any field whose value is a string or an array of string elements.
1. text
2. string
3. char
4. none of the mentioned
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Question 13 : ___________ bulk indexes may be more efficient for some kinds of content and workloads in real time.
1. Synchronous
2. Asynchronous
3. Unique
4. None of the mentioned
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Question 14 : Which of the following operations are atomic on document level ?
1. update
2. remove
3. findAndModify
4. all of the mentioned
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Question 15 : Which of the following pattern is best for static trees that do not change ?
1. Child
2. Parent
3. Root
4. None of the mentioned
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Question 16 : The Array of Ancestors pattern is slightly slower than the ________________ pattern
1. Materialized Paths
2. Array of Ancestors
3. Nested Sets
4. None of the mentioned
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Question 17 : Which of the following pattern may provide a suitable solution for storing graphs ?
1. Child
2. Parent
3. Root
4. None of the mentioned
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Question 18 : The ________ Links pattern provides a simple solution to tree storage but requires multiple queries to retrieve subtrees.
1. Child
2. Parent
3. Root
4. All of the mentioned
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Question 19 : Which of the following statement is incorrect about documents in MongoDB ?
1. The field names cannot start with the dollar sign ($) character
2. The field names cannot contain the dot (.) character
3. The field names cannot contain the null character
4. None of the mentioned
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Question 20 : The ___________ JavaScript shell and the MongoDB language drivers translate between BSON and the language-specific document representation.
1. mongod
2. mongo
3. json
4. none of the mentioned
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