Infosys Certified Data Management Associate
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Real Lex exam-pattern multiple-choice questions for the Infosys Certified Data Management Associate certification. Each question includes the correct answer. The full question bank is available to Premium members.
- Question 1
Which of the following databases would be suitable if Consistent and Partition-Tolerant architectures have to be implemented ? Select all 3 that apply.
- ✓
MongoDB
Correct - B
Vertica
- C
Hypertable
- D
BigTable
- ✓
- Question 2
Which type of NoSQL database makes use of edges and relations in its structure?
- ✓
Document based
Correct - B
Wide column based
- C
Graph based
- D
Key value pair
- ✓
- Question 3
Which of the following is/are NOT a document oriented NoSQL database? Select the 3 options that are most appropriate.
- ✓
Cassandra
Correct - B
Neo4J
- C
MongoDB
- D
Riak
- ✓
- Question 4
Some types of NOSQL databases are listed below. Select a suitable database which can be used to store biometric data and personal data of employees belonging to a very large enterprise.
- ✓
Key-Value databases
Correct - B
Document databases
- C
Column Family databases
- D
Graph Databases
- ✓
- Question 5
All clients see the same version of the data, even on updates to the dataset. What is this phenomenon called as?
- ✓
Consistency
Correct - B
Availability
- C
Partition Tolerence
- ✓
- Question 6
Among the following, point out the data structure that is invalid for NoSQL database?
- ✓
Document based
Correct - B
Graph based
- C
Key-value based
- ✓
- Question 7
Most NoSQL databases supports automatic __________ which means that you get high availability and disaster recovery.
- ✓
Processing
Correct - B
Scalability
- C
Replication
- D
None of the above
- ✓
- Question 8
Below are some examples of storage of NOSQL databases. Categorize the below examples correctly based on their storage type. 1 { name: “Virat”, age: 32 }, { name: “Rohit”, age: 33 } 2. name1: “Virat”, name2: “Rohit”, age1: 32, age2: 33 3. { id=1, name=”Virat” }, { id=2, name: “Rohit” }, { id=1, age=32 }, { id=2, age=33 }
- ✓
1 is Column Family Database, 2 is Document Database,3 is Key-Value Database
Correct - B
1 is Key-Value Database, 2 is Column Family Database, 3 is Document Database
- C
1 is Document Database, 2 is Key-Value Database, 3 is Column Family Database
- D
1 is Column Family Database,2is Key-Value Database, 3is Document Database
- ✓
- Question 9
SympKart, an online shopping site keeps recommending purchase of related products to its customers. Which of the following types of database is suitable for this scenario?
- ✓
Key-value pair databases
Correct - B
Document oriented databases
- C
Graph databases
- D
Column family databases
- ✓
- Question 10
Which of the following categories of NoSQL does BigTable belong to?
- ✓
Key value store
Correct - B
Tabular
- C
Document based
- D
None of the given choices
- ✓
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