This set of MongoDB Test focuses on “MongoDB Documents – 2”. 1. Which of the following data structures are documents in MongoDB? a) All database records b) Query selectors c) Update definitions d) All of the mentioned 2. Point out the correct statement. a) Update definitions define what fields to modify during an update b) … Read more
This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “MongoDB documents – 1”. 1. The __________ JavaScript shell and the MongoDB language drivers translate between BSON and the language-specific document representation. a) mongod b) mongo c) iscript d) none of the mentioned 2. Point out the correct statement. a) MongoDB stores chunks … Read more
This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “ObjectId”. 1. Object_Id is similar to _________ key in Relational Databases. a) primary b) secondary c) composite d) all of the mentioned 2. Which of the field is reserved for use as a primary key? a) _id b) _uid c) _uuid d) All … Read more
This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “BSON”. 1. _________ is a binary serialization format used to store documents and make remote procedure calls in MongoDB. a) BSON b) GridFS c) JSON d) None of the mentioned 2. Point out the correct statement. a) ObjectIds are small, likely unique, fast … Read more
This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “GridFS”. 1. ___________ is a specification for storing and retrieving files that exceed the BSON-document size limit of 16MB. a) FSpec b) GridFS c) Grid d) None of the mentioned 2. Point out the correct statement. a) GridFS uses two collections to store … Read more
This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “Model Monetary and Time Data”. 1. __________ precision multiplies the monetary value by a power of 10. a) Exact b) Accurate c) Ambiguity d) None of the mentioned 2. Point out the correct statement. a) Applications that handle monetary data often require capturing … Read more
This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “Model Data for Atomic operations”. 1. Which of the following pattern is best for static trees that do not change? a) Child b) Parent c) Root d) None of the mentioned 2. Point out the correct statement. a) $regex is used for regular … Read more
This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “Model Tree Structures”. 1. The ________ References pattern stores each tree node in a document; in addition to the tree node, the document stores the id of the node’s parent. a) Child b) Parent c) Root d) None of the mentioned 2. Point … Read more
This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “Data Model Examples and Patterns”. 1. Which of the following relationship uses references to describe documents between connected data? a) One-to-One Relationships with Embedded Documents b) One-to-Many Relationships with Embedded Documents c) One-to-Many Relationships with Document References d) None of the mentioned 2. … Read more
This set of MongoDB Interview Questions and Answers for experienced focuses on “Data Modeling Concepts – 2” 1. _______________ is a specification for storing and retrieving files that exceed the BSON-document size limit of 16MB. a) DataFS b) GridFS c) ReadFS d) None of the mentioned 2. Point out the wrong statement. a) By default … Read more
