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Question 1. What is the primary purpose of the TARS framework in modern software architecture? A) Database management B) Building scalable distributed microservices C) Static web hosting D) File system optimization Answer: B Explanation: TARS is specifically designed to support scalable and distributed microservices architectures, facilitating efficient communication and management. Question 2. Which component in TARS is responsible for tracking service locations and availability? A) Service container B) TARS registry C) Admin console D) Proxy server Answer: B Explanation: The TARS registry is used for service registration and discovery, keeping track of where services are running and their statuses. Question 3. In TARS architecture, what is the main function of a node server? A) Managing service state B) Hosting and running service instances C) Storing configuration files D) Collecting logs Answer: B Explanation: Node servers in TARS are responsible for hosting and executing the deployed service instances. Question 4. Which programming languages are officially supported by TARS SDKs? A) Python, Ruby, PHP
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B) C++, Java, Go C) JavaScript, TypeScript, Rust D) Scala, Kotlin, Swift Answer: B Explanation: TARS offers official SDKs for C++, Java, and Go, enabling service development in these languages. Question 5. What is the TARS IDL primarily used for? A) Defining network ports B) Describing service interfaces and data structures C) Encrypting service messages D) Allocating server resources Answer: B Explanation: The TARS Interface Definition Language (IDL) is used to define service interfaces and data structures for communication. Question 6. Which TARS component provides a user-friendly interface for service management? A) TARS registry B) Service container C) Administration console D) Service proxy Answer: C Explanation: The administration console offers a web-based GUI for managing, monitoring, and configuring TARS services. Question 7. During which stage of the TARS service lifecycle is monitoring most critical? A) Initial development B) Deployment C) Monitoring
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Question 11. Which of the following best describes the role of the TARS service container? A) It stores application logs B) It isolates and executes service instances C) It manages database connections D) It handles DNS resolution Answer: B Explanation: The service container is responsible for isolating and running service instances within TARS. Question 12. What is the purpose of serialization in TARS? A) Compressing images B) Converting structured data to a transferable format C) Encrypting database credentials D) Scheduling service updates Answer: B Explanation: Serialization converts data into a binary format for network transmission between services. Question 13. Which command is typically used to start a TARS Node server? A) tarsnode start B) node run C) start-service D) tarsadmin boot Answer: A Explanation: The 'tarsnode start' command is used to initiate the TARS node server. Question 14. What is a key feature of TARS's synchronous communication model? A) Non-blocking calls B) The caller waits for a response before proceeding C) Data is only sent, never received
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D) Always uses HTTP Answer: B Explanation: In synchronous communication, the caller waits for the callee to respond. Question 15. What ensures high availability of services in a TARS deployment? A) Single registry server B) Multiple service instances and load balancing C) Disabling monitoring D) Manual scaling Answer: B Explanation: Deploying multiple service instances and using load balancing ensures high availability. Question 16. How does TARS handle versioning of service interfaces? A) No versioning support B) Including version numbers in IDL definitions C) Using date-based file names D) Editing service source code directly Answer: B Explanation: Service versions can be defined and managed through version numbers in TARS IDL. Question 17. What is a benefit of using TARS's administration console? A) Automatic code generation B) Centralized configuration and monitoring C) Free cloud hosting D) Built-in IDE Answer: B Explanation: The administration console provides a central point for service monitoring and configuration.
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D) Creating test cases Answer: B Explanation: TARS IDL generates code to enable type-safe communication between clients and servers. Question 22. In TARS, what happens when a service is retired? A) It is permanently deleted from all servers B) It is unregistered from the registry and stopped C) Its logs are sent to the admin D) Its code is archived on GitHub Answer: B Explanation: Retiring a service involves unregistering it and stopping its execution. Question 23. Which of the following is NOT a core component of TARS architecture? A) Registry server B) Service container C) Load balancer D) Database proxy Answer: D Explanation: Database proxy is not a core TARS component; registry server and service container are. Question 24. How does TARS facilitate service discovery? A) IP multicast B) Registry lookup C) Manual host file configuration D) DNS SRV records Answer: B Explanation: TARS uses its registry for efficient and dynamic service discovery.
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Question 25. Which TARS feature allows services to be written in different programming languages? A) Multi-language stubs via IDL B) Only C++ compatibility C) Binary-only libraries D) UI translators Answer: A Explanation: TARS IDL enables the generation of language-specific stubs for multi-language support. Question 26. What is the typical use of the TARS administration console’s monitoring feature? A) Creating user accounts B) Viewing service health and performance metrics C) Editing source code D) Encrypting log files Answer: B Explanation: The monitoring feature allows administrators to view real-time service performance and health. Question 27. What is the primary function of TARS's service framework? A) Scheduling OS processes B) Supporting the development and operation of distributed services C) Rendering web pages D) Managing user sessions Answer: B Explanation: The service framework provides tools and libraries for building distributed microservices. Question 28. TARS services communicate using: A) Plain text messages B) Efficient binary serialization C) JSON over HTTP
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Question 32. What is a characteristic of TARS's asynchronous communication model? A) Caller waits for the response B) Caller continues executing without waiting C) Only one-way messages are allowed D) Requires HTTP protocol Answer: B Explanation: In asynchronous communication, the caller does not block and continues processing. Question 33. How does TARS ensure data integrity during service communication? A) Checksums and error handling in its protocol B) Using only plain text C) Relying on application logic D) Disabling verification Answer: A Explanation: The TARS protocol uses checksums and error handling to ensure data integrity. Question 34. Which deployment model is NOT natively supported by TARS? A) Standalone server B) Kubernetes cluster integration C) Embedded device only D) Virtual machine Answer: C Explanation: TARS does not natively target embedded devices; it supports standalone, VM, and Kubernetes deployments. Question 35. What is the typical role of the TARS node server in a distributed cluster? A) Centralized logging B) Running and managing local service processes
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C) DNS management D) Database replication Answer: B Explanation: The node server runs and manages service processes on its host machine. Question 36. Which of the following is TRUE about TARS service registration? A) Registration is optional B) Services must register with the registry to be discovered C) Only admin can register services D) Registration is done via a web form Answer: B Explanation: Services must register themselves with the registry for discovery. Question 37. The TARS protocol is optimized for which of the following? A) High throughput and low latency B) Image compression C) Email delivery D) Video streaming Answer: A Explanation: The protocol is designed for efficient, high-performance service communication. Question 38. What is the default format used by TARS for data serialization? A) XML B) TARS binary format C) YAML D) JSON Answer: B Explanation: TARS uses a proprietary binary format for serialization.
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C) Node manager D) Proxy server Answer: A Explanation: The configuration server manages and distributes configuration files to services. Question 43. If a service needs to communicate with another service in a different programming language, TARS accomplishes this by: A) Translating source code B) Using language-specific stubs generated from TARS IDL C) Installing a plugin D) Using only HTTP Answer: B Explanation: TARS IDL generates language-specific stubs for cross-language communication. Question 44. Which of the following is a benefit of using TARS over manual microservice implementations? A) Built-in orchestration and service discovery B) Manual scaling C) Direct socket programming D) Hand-written protocol parsing Answer: A Explanation: TARS provides built-in orchestration and service discovery, simplifying microservice management. Question 45. What is the main communication pattern used in TARS for RPC? A) Publish-subscribe B) Remote Procedure Call (RPC) C) Message queue D) HTTP polling
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Answer: B Explanation: TARS is built around efficient RPC-style service communication. Question 46. How does TARS handle service failures? A) No handling B) Health checks and automatic failover/restart C) Manual restart required D) Ignored until user intervention Answer: B Explanation: TARS can automatically restart failed services and uses health checks for reliability. Question 47. Which is NOT a use case for the TARS administration console? A) Deploying new services B) Monitoring service health C) Writing application code D) Configuring services Answer: C Explanation: The admin console is for management, not code development. Question 48. What allows TARS to support horizontal scaling? A) Single instance deployment B) Multiple service instances and dynamic registration C) Static configuration only D) Manual process creation Answer: B Explanation: TARS supports horizontal scaling by allowing multiple service instances to register dynamically. Question 49. TARS supports which type of message delivery guarantee?
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Answer: B Explanation: The node server manages service processes on its host. Question 53. What does TARS use to monitor the health and status of registered services? A) Manual inspection only B) Built-in health checks and heartbeats C) DNS queries D) Log file analysis only Answer: B Explanation: TARS uses health checks and heartbeat signals to monitor services. Question 54. What is the primary transport protocol for TARS's binary protocol? A) UDP B) TCP C) HTTP/ D) WebSockets Answer: B Explanation: The TARS protocol is transported over reliable TCP connections. Question 55. What does the TARS registry maintain besides service locations? A) User passwords B) Service health and status C) Database schemas D) File system snapshots Answer: B Explanation: The registry tracks both locations and health/status of services. Question 56. Which concept allows TARS services to be language-agnostic?
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A) Network transparency B) IDL code generation for multiple languages C) Only supporting one language D) Using XML exclusively Answer: B Explanation: The IDL enables code generation in various languages, ensuring language agnosticism. Question 57. How does TARS manage configuration changes for running services? A) Manual update only B) Dynamic distribution via configuration server C) Restart required every time D) Email notification Answer: B Explanation: The configuration server can push updates dynamically to running services. Question 58. What role does the TARS admin console play in the service lifecycle? A) Service code editing B) Centralized deployment, monitoring, and configuration C) Database migration D) Log rotation Answer: B Explanation: The admin console is used for deployment, monitoring, and configuration management. Question 59. Which of the following is an advantage of using TARS's proprietary protocol? A) No interoperability B) High efficiency and performance C) Universal browser support D) Requires more bandwidth
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Question 63. What is the responsibility of the TARS service framework during service operation? A) Only compiling code B) Managing service execution, communication, and lifecycle C) Printing logs D) Sending emails Answer: B Explanation: The framework manages execution, communication, and the full service lifecycle. Question 64. How does TARS achieve service discovery across different nodes? A) Static IP assignment B) Dynamic registration in the registry C) Using DNS exclusively D) Hardcoded addresses Answer: B Explanation: Services dynamically register in the registry, enabling discovery across nodes. Question 65. Which of the following is NOT a feature of TARS administration console? A) Service deployment B) Real-time monitoring C) Service code editing D) Configuration management Answer: C Explanation: The console does not provide code editing; it focuses on deployment, monitoring, and configuration. Question 66. What is the role of a stub file generated by TARS IDL? A) It acts as a database schema B) It enables client-server communication by abstracting RPC calls C) It defines UI components
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D) It encrypts data Answer: B Explanation: Stub files abstract RPC details, allowing seamless client-server interaction. Question 67. What is an advantage of using TARS for microservice communication over HTTP REST? A) Less interoperability B) Higher performance with binary protocol C) Requires more manual configuration D) No code generation Answer: B Explanation: TARS’s binary protocol is faster and more efficient compared to REST’s text-based communication. Question 68. Which of the following is NOT part of the TARS core architecture? A) Registry server B) Service container C) Message queue broker D) Node server Answer: C Explanation: Message queues are not a TARS core component; registry, container, and node server are. Question 69. What is the best way to update a service's configuration in TARS without downtime? A) Manual file copy B) Using the configuration server for hot updates C) Restarting the registry server D) Emailing the admin Answer: B Explanation: The configuration server supports hot updates without downtime.
