What is a downside of data replication in distributed databases?Question 9Select one:A.Decreased latencyB.Data availability during catastrophic eventsC.Increased complexity of write operationsD.Increased read performanceE.Robustness against node failures

Which strategy is commonly used for fault tolerance in distributed systems?Question 28Answera.Data encryptionb.Data aggregationc. Data compressiond. Data replication

1.Question 1What is the purpose of database replication in a distributed database architecture?1 pointHigh availabilityImproved performanceDisaster recoveryAll of the above2.Question 2Which of the following classes of database users are more likely to use Object Relational Mapping (ORM) in their workloads?1 pointData EngineersDatabase AdministratorsData ScientistsApplication Developers3.Question 3MySQL facilitates various storage engines. Among the options provided, which storage engines that MySQL supports employ table-level locking?1 pointInnoDBFalcon NDBMyISAM4.Question 4PostgreSQL is a database management system with an object-relational architecture. What significance does the "object" aspect hold within PostgreSQL?1 pointUses Postgres source codeSupports high availability and scalabilityDatabase managementSupports inheritance and overloading5.Question 5A relation consists of columns and rows, with columns representing attributes or fields. What is the term used to describe the individual entries in the rows of a table? 1 pointData valuesStructTuplesDegree

What is the primary disadvantage of NoSQL databases? Question 4Select one: Limited query capabilities Mature database tools and standards Strong consistency in distributed systems Ease of implementation

What is/are the disadvantage/disadvantages of having a databaseHigh impact of a failureNeeds a lot of physical spaceData is vulnerableCannot encrypt data

Kafka achieves fault tolerance through data replication. In PhonePe, for instance, Kafka can replicate transaction data across multiple brokers, ensuring that even if one broker fails, the system can continue processing transactions without losing dat