Question 71 : Which of the following operator incorporates the functionality of $match, $sort, and $limit for geospatial data?
1. $geoSpatial
2. $geoNear
3. $geoRear
4. None of the mentioned
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Question 72 : _______ reorders the document stream by a specified sort key
1. $skip
2. $limit
3. $sort
4. None of the mentioned
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Question 73 : ________ passes the first n documents unmodified to the pipeline where n is the specified limit
1. $skip
2. $limit
3. $match
4. $redact
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Question 74 : Which of the following can be used to implement field level redaction ?
1. $skip
2. $limit
3. $match
4. $redact
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Question 75 : _______ filters the document stream to allow only matching documents to pass unmodified into the next pipeline stage.
1. $regex
2. $reg
3. $match
4. None of the mentioned
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Question 76 : What would be the maximum document size for results of mapreduce operation ?
1. 15 MB
2. 16 MB
3. 17 MB
4. All of the mentioned
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Question 77 : For most aggregation operations, the ______ Pipeline provides better performance and more coherent interface.
1. Aggregate
2. Replication
3. Sharding
4. None of the mentioned
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Question 78 : Map-reduce uses custom __________ functions to perform the map and reduce operations
1. Java
2. Javascript
3. JSON
4. None of the mentioned
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Question 79 : _________ can return the results of a map-reduce operation as a document, or may write the results to collections.
1. mapReduce
2. mapperRed
3. RedMap
4. none of the mentioned
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Question 80 : The output of the reduce function may pass through a ______ function to further condense or process the results of the aggregation.
1. finalize
2. filter
3. procedure
4. none of the mentioned
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