- What is Apache Kafka used for?
A. Streaming data processing
B. Web server hosting
C. Database management
D. None of the above
Answer: A
- Which of the following is not a core Kafka component?
A. Producer
B. Consumer
C. Transformer
D. Broker
Answer: C
- What is a Kafka cluster?
A. A group of Kafka brokers
B. A group of Kafka consumers
C. A group of Kafka producers
D. A group of Kafka topics
Answer: A
- How does Kafka store messages?
A. In-memory
B. On disk
C. In a database
D. Both A and B
Answer: D
- What is a Kafka topic?
A. A queue-like data structure
B. A relational database table
C. A directory on the file system
D. None of the above
Answer: A
- What is a Kafka partition?
A. A segment of a topic’s data
B. A subset of a Kafka broker
C. A grouping of Kafka producers
D. None of the above
Answer: A
- What is a Kafka offset?
A. A unique identifier for a Kafka message
B. A method of encrypting Kafka messages
C. A way of compressing Kafka messages
D. None of the above
Answer: A
- Which of the following is true about Kafka consumers?
A. They can read messages from multiple partitions concurrently
B. They can only read messages from a single partition at a time
C. They can read messages from multiple topics concurrently
D. None of the above
Answer: A
- How are Kafka messages handled when a consumer processes them?
A. Messages are deleted from the topic
B. Messages are moved to a separate “consumed” topic
C. Messages are marked as consumed but remain in the topic
D. None of the above
Answer: C
- What is a Kafka stream?
A. A continuous stream of Kafka messages
B. A type of Kafka consumer
C. A type of Kafka producer
D. None of the above
Answer: A
- Which of the following is not a benefit of using Kafka?
A. High scalability
B. Fault tolerance
C. Low latency
D. Strong consistency
Answer: D
- What is Kafka Connect?
A. An API for building Kafka consumers and producers
B. A tool for migrating data to Kafka
C. A framework for implementing Kafka connectors
D. None of the above
Answer: C
- What is a Kafka connector?
A. A tool for connecting to external data sources
B. A way to extend Kafka’s capabilities
C. A tool for managing Kafka clusters
D. None of the above
Answer: B
- How does Kafka ensure reliability?
A. By using a replication factor
B. By automatically recovering from failures
C. By implementing leader election
D. All of the above
Answer: D
- How does Kafka handle data retention?
A. By deleting data after a certain time period
B. By deleting data after it has been consumed
C. By allowing data to remain in the topic indefinitely
D. None of the above
Answer: A
- What is Apache ZooKeeper used for in Kafka?
A. To manage Kafka’s metadata
B. To store Kafka’s data
C. To handle Kafka’s network traffic
D. None of the above
Answer: A
- What is a Kafka producer?
A. A tool for writing data to Kafka topics
B. A tool for reading data from Kafka topics
C. A tool for managing Kafka clusters
D. None of the above
Answer: A
- What is Kafka Streams?
A. A tool for analyzing Kafka data
B. A tool for processing and analyzing Kafka data in real-time
C. A tool for visualizing Kafka data
D. None of the above
Answer: B
- What is the default retention time for Kafka topics?
A. 24 hours
B. 7 days
C. 30 days
D. None of the above
Answer: B
- What is a Kafka transaction?
A. A way to group Kafka messages together as a single atomic operation
B. A way to encrypt Kafka messages
C. A way to compress Kafka messages
D. None of the above
Answer: A
- What is a Kafka rebalance?
A. A process in which Kafka consumers are redistributed to different brokers
B. A process in which Kafka topics are redistributed to different partitions
C. A process in which Kafka producers are redistributed to different brokers
D. None of the above
Answer: A
- What is a Kafka key?
A. A field in a Kafka message used for ordering and partitioning
B. A field in a Kafka message used for encryption
C. A field in a Kafka message used for compression
D. None of the above
Answer: A
- What is a Kafka consumer group?
A. A group of Kafka consumers that coordinate to consume messages from a single topic
B. A group of Kafka brokers that coordinate to serve a single topic
C. A group of Kafka producers that coordinate to produce messages to a single topic
D. None of the above
Answer: A
- What is Kafka SASL?
A. A protocol for secure communication between Kafka clients and brokers
B. A protocol for encrypting Kafka messages
C. A protocol for compressing Kafka messages
D. None of the above
Answer: A
- What is Kafka ACL?
A. A system for controlling access to Kafka resources
B. A way of encrypting Kafka messages
C. A way of compressing Kafka messages
D. None of the above
Answer: A
- What is Kafka Streams DSL?
A. A way of defining stream processing operations using Java or Scala
B. A way of visualizing Kafka topics and partitions
C. A way of managing Kafka clusters
D. None of the above
Answer: A
- What is a Kafka log?
A. A file that contains all the messages in a Kafka topic
B. A file that contains metadata about a Kafka cluster
C. A file that contains information about Kafka consumer groups
D. None of the above
Answer: A
- What is a Kafka message broker?
A. A server that stores and manages Kafka messages
B. A server that produces Kafka messages
C. A server that consumes Kafka messages
D. None of the above
Answer: A
- What is the maximum size of a Kafka message?
A. 1 MB
B. 10 MB
C. 100 MB
D. None of the above
Answer: D
- What is Kafka CLI?
A. A command line interface for managing Kafka clusters
B. A command line interface for analyzing Kafka data
C. A command line interface for visualizing Kafka topics
D. None of the above
Answer: A
- What is a consumer offset commit?
A. A process in which Kafka consumers commit their current position in a topic
B. A process in which Kafka consumers commit the messages they have read from a topic
C. A process in which Kafka consumers commit their position in multiple topics
D. None of the above
Answer: A
- What is a Kafka transaction coordinator?
A. A server that manages Kafka transactions
B. A server that coordinates Kafka consumers
C. A server that manages Kafka brokers
D. None of the above
Answer: A
- What is Kafka MirrorMaker?
A. A tool for replicating Kafka data between clusters
B. A tool for analyzing Kafka data
C. A tool for compressing Kafka messages
D. None of the above
Answer: A
- What is a Kafka Streams application?
A. An application that processes Kafka data in real-time using Kafka Streams
B. An application that reads data from Kafka topics
C. An application that writes data to Kafka topics
D. None of the above
Answer: A
- What is a Kafka REST proxy?
A. An HTTP interface for accessing Kafka data
B. A tool for managing Kafka clusters using a web browser
C. An tool for analyzing Kafka data using web APIs
D. None of the above
Answer: A
- What is a Kafka cache?
A. A cache of recently read Kafka messages
B. A cache of recently produced Kafka messages
C. A cache of Kafka consumers
D. None of the above
Answer: A
- What is a Kafka channel?
A. A way of implementing Kafka message encryption
B. A way of implementing Kafka message compression
C. A way of isolating traffic between different Kafka producers and consumers
D. None of the above
Answer: D
- What is Kafka’s role in microservices architecture?
A. Kafka can act as a data bus for microservices
B. Kafka is used to orchestrate microservices
C. Kafka is used to secure microservices
D. None of the above
Answer: A
- What is the minimum recommended Kafka cluster size?
A. 1 broker and 1 zookeeper node
B. 3 brokers and 3 zookeeper nodes
C. 5 brokers and 5 zookeeper nodes
D. None of the above
Answer: B
- What is a Kafka Streams processor?
A. A Java or Scala object that processes Kafka messages in real-time
B. A tool for managing Kafka clusters
C. A tool for visualizing Kafka topics
D. None of the above
Answer: A
- What is a Kafka Streams topology?
A. A graph of processing steps that describe how Kafka messages are transformed and processed
B. A graph of Kafka messages
C. A graph of Kafka brokers
D. None of the above
Answer: A
- What is a Kafka Streams KTable?
A. A stream of Kafka messages stored in a table-like format
B. A stream of Kafka messages stored in an array-like format
C. A stream of Kafka messages stored in a map-like format
D. None of the above
Answer: A
- What is Kafka Streams interactive queries?
A. A way of querying Kafka data in real-time
B. A tool for managing Kafka clusters
C. A tool for visualizing Kafka topics
D. None of the above
Answer: A
- What is Kafka’s role in IoT architecture?
A. Kafka can act as a data bus for IoT devices
B. Kafka can act as a control plane for IoT devices
C. Kafka can act as a security layer for IoT devices
D. None of the above
Answer: A
- What is a Kafka Streams state store?
A. A distributed key-value store used to maintain intermediate state during stream processing
B. A distributed file system used to store Kafka data
C. A distributed database used to store Kafka data
D. None of the above
Answer: A
- What is Kafka Connect framework?
A. A way for Kafka to connect to external data sources and destinations
B. A tool for managing Kafka topics
C. A tool for managing Kafka consumer groups
D. None of the above
Answer: A
- What is the recommended way of deploying a Kafka cluster?
A. Using Docker containers
B. Using a cloud provider
C. Using a bare-metal server
D. None of the above
Answer: B
- What is a Kafka Connector API?
A. An API for developing Kafka connectors
B. An API for developing Kafka stream processors
C. An API for developing Kafka consumers
D. None of the above
Answer: A
- What is Kafka’s role in real-time analytics?
A. Kafka can act as a data ingestion and processing pipeline for real-time analytics
B. Kafka can act as a tool for visualizing real-time analytics
C. Kafka can act as a real-time analytics database
D. None of the above
Answer: A
- What is a Kafka Poll Loop?
A. A loop that repeatedly polls Kafka for new messages
B. A loop that repeatedly polls Kafka for topic metadata
C. A loop that repeatedly polls Kafka for consumer offsets
D. None of the above
Answer: A
Sr. Software Engineer at Cotocus Private Limited
There is no end to education. It is not that you read a book, pass an examination, and finish with education. The whole of life, from the moment you are born to the moment you die, is a process of learning.
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