1) What is Couchbase?
A) A Couch
B) A database management system
C) A programming language
D) A web browser
Answer: B) A database management system
2) Which of the following is NOT a feature of Couchbase?
A) Scalability
B) High availability
C) Relational data model
D) Consistency
Answer: C) Relational data model
3) Couchbase supports which of the following database models?
A) Key-Value
B) Columnar
C) Document-oriented
D) All of the above
Answer: D) All of the above
4) Which of the following is a SQL-like query language used in Couchbase?
A) N1QL
B) NoSQL
C) SQL-C
D) CQL
Answer: A) N1QL
5) What is a Bucket in Couchbase?
A) A container for storing data
B) A type of index
C) A security measure
D) An administrative role
Answer: A) A container for storing data
6) Which of the following does NOT influence the speed and performance of a Couchbase query?
A) Number of documents
B) Size of documents
C) CPU speed
D) Number of indexes
Answer: C) CPU speed
7) Which protocol is used for communication between Couchbase clients and servers?
A) HTML
B) FTP
C) HTTP
D) TCP
Answer: D) TCP
8) Which of the following is a feature of Couchbase Mobile?
A) Support for offline data access
B) Real-time replication
C) Access control and security
D) All of the above
Answer: D) All of the above
9) Which of the following is NOT a way to interact with Couchbase?
A) Web user interface
B) REST API
C) Command line interface
D) Cookies
Answer: D) Cookies
10) Which of the following is a way to improve query performance in Couchbase?
A) Adding more indexes
B) Adding more documents
C) Adding more buckets
D) Adding more servers
Answer: A) Adding more indexes
11) Which of the following is a way to achieve data consistency in Couchbase?
A) Telling everyone to use the same document
B) Using strong consistency
C) Never updating documents
D) None of the above
Answer: B) Using strong consistency
12) How does Couchbase handle document conflicts?
A) It merges the conflicting versions
B) It randomly chooses one version to keep
C) It deletes one version
D) It notifies the user of the conflict
Answer: A) It merges the conflicting versions
13) Which of the following is a way to monitor Couchbase performance?
A) Using the web user interface
B) Using the command line interface
C) Using third-party tools
D) All of the above
Answer: D) All of the above
14) Which of the following is a way to configure Couchbase for high availability?
A) Adding more indexes
B) Adding more documents
C) Adding more buckets
D) Adding more servers
Answer: D) Adding more servers
15) Which of the following is a way to secure Couchbase?
A) Using SSL/TLS encryption
B) Using LDAP authentication
C) Using role-based access control
D) All of the above
Answer: D) All of the above
16) Which of the following is NOT a supported programming language for Couchbase SDKs?
A) Java
B) Python
C) Ruby
D) PHP
Answer: C) Ruby
17) What is Couchbase’s data durability feature?
A) The ability to recover data in case of a crash
B) The ability to replicate data in real-time
C) The ability to ensure data is never lost
D) The ability to compress data
Answer: C) The ability to ensure data is never lost
18) Which of the following is NOT a way to scale Couchbase?
A) Adding more indexes
B) Adding more documents
C) Adding more buckets
D) Adding more servers
Answer: A) Adding more indexes
19) Which of the following is a way to improve query performance in Couchbase?
A) Adding more RAM
B) Adding more disk space
C) Reducing document size
D) All of the above
Answer: A) Adding more RAM
20) Which of the following is a way to improve write performance in Couchbase?
A) Adding more RAM
B) Adding more disk space
C) Reducing document size
D) All of the above
Answer: B) Adding more disk space
21) Which of the following is NOT a supported platform for Couchbase SDKs?
A) Windows
B) Linux
C) macOS
D) iOS
Answer: D) iOS
22) Which of the following is a way to replicate data in Couchbase?
A) Using the document API
B) Using the XDCR API
C) Using the N1QL API
D) Using the authentication API
Answer: B) Using the XDCR API
23) What is the maximum document size in Couchbase?
A) 1 MB
B) 10 MB
C) 100 MB
D) 1 GB
Answer: C) 100 MB
24) Which of the following is a way to configure a Couchbase cluster?
A) Using the web user interface
B) Using the command line interface
C) Using third-party tools
D) All of the above
Answer: D) All of the above
25) Which of the following is a way to handle failed Couchbase requests?
A) Ignoring the error and proceeding
B) Retrying the request
C) Throwing an exception
D) All of the above
Answer: B) Retrying the request
26) Which of the following is a way to handle data corruption in Couchbase?
A) Restoring from a backup
B) Re-indexing the data
C) Deleting the data and starting over
D) None of the above
Answer: A) Restoring from a backup
27) Which of the following is a way to monitor Couchbase resource usage?
A) Using the web user interface
B) Using the command line interface
C) Using third-party tools
D) All of the above
Answer: D) All of the above
28) Which of the following is NOT a way to configure Couchbase security?
A) Using SSL/TLS encryption
B) Using LDAP authentication
C) Using an open firewall
D) Using role-based access control
Answer: C) Using an open firewall
29) Which of the following is a way to handle database backups in Couchbase?
A) Using the backup API
B) Manually copying files
C) Using a third-party tool
D) All of the above
Answer: D) All of the above
30) What is Couchbase’s index management feature?
A) The ability to create and modify indexes
B) The ability to replicate indexes in real-time
C) The ability to compress indexes
D) The ability to ensure index consistency
Answer: A) The ability to create and modify indexes
31) Which of the following is a way to optimize disk usage in Couchbase?
A) Using compression
B) Reducing document size
C) Removing unnecessary documents
D) All of the above
Answer: D) All of the above
32) Which of the following is a way to handle index fragmentation in Couchbase?
A) Rebuilding the index
B) Deleting the index and creating a new one
C) Shrinking the index
D) None of the above
Answer: A) Rebuilding the index
33) Which of the following is a way to enable Couchbase replication?
A) Starting the replication service
B) Configuring replication in the web user interface
C) Creating a bucket for replication
D) None of the above
Answer: B) Configuring replication in the web user interface
34) Which of the following is a way to handle disk failures in Couchbase?
A) Using RAID
B) Using replication
C) Using backups
D) All of the above
Answer: D) All of the above
35) Which of the following is a way to handle network failures in Couchbase?
A) Using RAID
B) Using replication
C) Using backups
D) All of the above
Answer: B) Using replication
36) Which of the following is a way to use Couchbase as a cache?
A) Using the Couchbase client
B) Using third-party caching libraries
C) Using the Couchbase caching API
D) All of the above
Answer: D) All of the above
37) Which of the following is a way to handle memory usage in Couchbase?
A) Using more RAM
B) Configuring memory quotas
C) Reducing document size
D) All of the above
Answer: B) Configuring memory quotas
38) Which of the following is a way to handle disk space usage in Couchbase?
A) Using more disk space
B) Configuring disk space quotas
C) Reducing document size
D) All of the above
Answer: B) Configuring disk space quotas
39) Which of the following is NOT a way to interact with Couchbase Mobile?
A) REST API
B) Sync Gateway
C) Mobile SDKs
D) Web user interface
Answer: D) Web user interface
40) Which of the following is a way to handle conflicts in Couchbase Mobile?
A) Using last-write-wins
B) Using merge logic
C) Using a conflict resolution API
D) All of the above
Answer: D) All of the above
41) What is the purpose of a Couchbase bucket password?
A) To encrypt data in the bucket
B) To prevent unauthorized access to the bucket
C) To compress data in the bucket
D) None of the above
Answer: B) To prevent unauthorized access to the bucket
42) Which of the following is a way to optimize Couchbase query performance?
A) Using join operations
B) Using subqueries
C) Using projection
D) All of the above
Answer: D) All of the above
43) Which of the following is a way to handle slow queries in Couchbase?
A) Reducing index size
B) Reducing document size
C) Increasing server resources
D) All of the above
Answer: C) Increasing server resources
44) Which of the following is a way to handle large queries in Couchbase?
A) Using paging
B) Using stream processing
C) Increasing server resources
D) All of the above
Answer: A) Using paging
45) Which of the following is a way to handle high write throughput in Couchbase?
A) Using document batching
B) Using parallel processing
C) Reducing disk usage
D) All of the above
Answer: A) Using document batching
46) Which of the following is a way to handle high read throughput in Couchbase?
A) Using document caching
B) Using parallel processing
C) Reducing document size
D) All of the above
Answer: A) Using document caching
47) Which of the following is a way to handle schema changes in Couchbase?
A) Altering existing documents
B) Creating new documents
C) Using N1QL ALTER statements
D) All of the above
Answer: D) All of the above
48) What is the purpose of Couchbase Query Workbench?
A) To manage indexes
B) To write and test N1QL queries
C) To view server statistics
D) None of the above
Answer: B) To write and test N1QL queries
49) Which of the following is a way to handle query optimization in Couchbase?
A) Analyzing query performance
B) Reducing index size
C) Reducing document size
D) All of the above
Answer: A) Analyzing query performance
50) What is the purpose of a Couchbase cluster manager?
A) To monitor cluster performance
B) To handle node failures
C) To configure replication
D) All of the above
Answer: D) All of the above
- Top 10 DevOps Trainers in the world - October 7, 2023
- What is Cookies and Why it is Used? - May 24, 2023
- TOP trends of transitions in TikTok - May 10, 2023