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Top 30 Microservices Architecture Questions Answers

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Top 30 Multiple choice Microservices Architecture questions and answers (1)The transactions that span across multiple services are handled by (a)logging queries in DBs (b)DML commands (c)Event driven Architecture (d)pre-compiled queries Correct Answer of the above questions is :(c)Event driven Architecture (2)Microservices based architecture prefers _______ RDBMS DBs NoSQL DBs No dependency on any particular DB Correct Answer of the above questions is :No dependency on any particular DB (3)Microservices supports different kinds of databases and this is called ____________. Service Deployment Polyglot persistence Event Driven Architecture Polyglot resistance Correct Answer of the above questions is :Polyglot persistence (4)The 2 components of CQRS include_______________ Query & command side Query & Client side Server & command side Server & client side Correct Answer of the above questions is :Query & command side (5)IDL stands for ______________________ Interface dependency language Inter-dependency location identifier Interface definition language Inter-dependency language Correct Answer of the above questions is :Interface definition language (6)packer.io & Boxful represents __________________________ type of pattern Service Instance per Container Multiple Services per Host pattern Service Instance per Host Correct Answer of the above questions is : Service Instance per Host (7)Which of these represent the drawback of Multiple Services per Host pattern faulty deployment Difficult to limit resource utilization Non- Dependency conflicts Correct Answer of the above questions is :Difficult to limit resource utilization (8)Service Instance per Host pattern provides ________________ Leverage AWS for Autoscaling & Load balancing. Great Manageability All the options Great Isolation None of the Options Correct Answer of the above questions is :All the options (9)Microservices-based architecture enforces a Modular structure ? True False Correct Answer of the above questions is :True (10)Amazon EC2 Container Service is an example of ________________ Docker Polyglot persistence CQRS Correct Answer of the above questions is :Docker (11)Efficient Utilization & Fast Deployment represent which pattern __________________________________ Service Instance per Host Multiple Services per Host pattern Service Instance per Container Correct Answer of the above questions is :Multiple Services per Host pattern (12)In Microservices, the API Gateway takes care of the security aspect by rendering ________________ encrypted keys Key value pairs Access tokens Chassis keys Messaging queues Correct Answer of the above questions is :Access tokens (13)Caching helps in improving the performance of the system ? False True Correct Answer of the above questions is :True (14)Which of this does not represent caching types_______________ Server cache Shared Cache Distributed Cache Local & Remote Cache No Cache Correct Answer of the above questions is :Server cache (15)Which pattern collects & reports all exceptions to a centralized exception tracking service Audit logging Application logging Distributed tracing Exception tracing Correct Answer of the above questions is :Exception tracing (16)__________ is ability to store something temporarily in order to reduce the loading times and I/O of a system. Cache Chassis Service Deployment Service registry Correct Answer of the above questions is :Cache (17)In __________, each external request is tagged with unique identifier which is passed to all services involved in handling the request and included in application logging messages Distributed tracing Audit logging Application logging Exception tracing Correct Answer of the above questions is :Distributed tracing (18)Microservice Chassis takes care of all except __________________ Logging Health checks Externalized configuration token generation Metrics Correct Answer of the above questions is :token generation (19)Netflix OSS is example ____________ Client-side Server-side discovery Correct Answer of the above questions is :Client-side (20)Simple to Develop, Test, Deploy, Scale represents __________________ Microservices Monolithic Correct Answer of the above questions is :Monolithic (21)Separating components with conflicting resource requirements falls under the bucket of _____________ Monolithic Microservices Correct Answer of the above questions is :Microservices (22)Microservices-based architecture enforces a Modular structure ? True False Correct Answer of the above questions is :True (23)Kubernotes , Marathon are examples of _______________________ Service Instance per Host Service Instance per Container Multiple Services per Host pattern Correct Answer of the above questions is :Service Instance per Container (24)Functional Decomposition is an example of ____________ Monolithic Microservices Correct Answer of the above questions is :Microservices (25)Agile development & Deployment is difficult in case of __________________ Microservices Monolithic Correct Answer of the above questions is : Monolithic (26)Is Microservice is considered as subset of SOA ? True False Correct Answer of the above questions is :True (27)Spring Boot is example of _____________ Service Deployment Chassis Framework Service registry API Gateway Correct Answer of the above questions is :Chassis Framework (28)Microservice Architecture adapts following concepts All the options None of the Options SOA OOPS Web Service / HTTP Correct Answer of the above questions is :All the options (29)API Gateway ensures _____________________________ Composition Protocol translation. All the options None of the Options Request routing Correct Answer of the above questions is :All the options (30)The services communicate with each other internally ___________________________ Messaging Both Messaging and Remote Procedure invocation Remote Procedure invocation Correct Answer of the above questions is :Both Messaging and Remote Procedure invocation (31)Complexity of developing, testing & deploying distributed system, Handling partial failures account to disadvantages of Microservices Monolithic Correct Answer of the above questions is :Microservices (32)Scaling the application can be challenging in _____________ due to conflicting needs of Memory, CPU, IO Monolithic Microservices Correct Answer of the above questions is :Monolithic (33)The 2 types of Service Discovery only includes Client-side & server-side discovery False True Correct Answer of the above questions is :True (34)Software built as microservices can, by definition, be broken down into multiple component services ? False True Correct Answer of the above questions is :True (35)When any single application function or component fails, then the entire application goes down. (Single point of failure ) This is primary disadvantage of ________________ Microservices Monolithic Correct Answer of the above questions is :Monolithic (36)Which among these helps in developing a microservice quickly ___________________ Chassis Service registry Service Deployment API Gateway Correct Answer of the above questions is :Chassis (37)External clients communicate with Microservices using _________________________ API GATEWAY API PROXY Messaging API Correct Answer of the above questions is :API GATEWAY (38)Long term commitment of Technology stack is a weakness of which model of architecture Microservices Monolithic Correct Answer of the above questions is :Monolithic (39)Which of the following is incorrect - with respect to cons about Microservices (I) Increasing number of services can result in information barriers (II) Being a distributed system, it can result in duplication of effort (III) The architecture usually results in increased memory consumption (IV) No long-term commitment to technology stack II IV III I All the options Correct Answer of the above questions is :IV

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