Multiple-Choice Questions - Service-Oriented Architecture (SOA) PDF

Multiple-Choice Questions - Service-Oriented Architecture (SOA) **Question 1: Which of the following best describes the function of a service in SOA?** - a\) It is a piece of software - **b) It represents a business function** - c\) It is a database - d\) It is a user interface **Quest...

Multiple-Choice Questions - Service-Oriented Architecture (SOA) **Question 1: Which of the following best describes the function of a service in SOA?** - a\) It is a piece of software - **b) It represents a business function** - c\) It is a database - d\) It is a user interface **Question 19: What does loose coupling mean in SOA?** - a\) Services are tightly connected - **b) Services are independent and minimally dependent on each other** - c\) All services must be updated together - d\) Services cannot be scaled independently **Question 11: Which of the following is a challenge when transitioning to SOA?** - a\) High flexibility in service development - b\) Increased vendor lock-in - **c) Difficulty integrating legacy systems** - d\) Scalability **Question 12: What is a benefit of service reusability in SOA?** - **a) Reducing development time** - b\) Enhancing system security - c\) Increasing the complexity of service interaction - d\) Reducing integration issues **Question 13: Which of the following is a common open standard used in SOA?** - **a) SOAP** - b\) SQL - c\) LAN - d\) SSH **Question 7: Which of the following concepts refers to service autonomy in SOA?** - a\) Interoperability - b\) Standardized protocols - c\) Flexibility and agility - **d) Operating independently** **Question 8: What is an example of achieving reusability in SOA?** - a\) A Java-based inventory management system - **b) An authentication service used across multiple systems** - c\) Adding live sports streaming services - d\) Changing communication protocols within the system **Question 6: What is the primary goal of Service-Oriented Architecture (SOA)?** - a\) Increasing system complexity - **b) Building flexible and scalable systems** - c\) Improving performance on slow networks - d\) Using proprietary protocols **Question 16: What is one of the challenges of implementing open standards in SOA?** - a\) Difficulty ensuring interoperability - b\) Increased maintenance costs - c\) Reduced system scalability - **d) Managing different standards** **Question 17: Which of the following is an example of a service representing business functionality in SOA?** - **a) Customer Management Service** - b\) Database Connection Service - c\) User Interface Service - d\) Data Backup Service **Question 4: SOAP and REST are examples of which of the following?** - a\) Programming languages - **b) Open standards** - c\) User interfaces - d\) Database structures **Question 2: Open standards in SOA help with which of the following?** - a\) Proprietary software development - **b) Data sharing between different systems** - c\) Limiting system scalability - d\) Decreasing system security **Question 3: Which of these is NOT a benefit of open standards?** - a\) Improved interoperability - **b) Vendor lock-in** - c\) Lower development costs - d\) Enhancing system scalability **Question 5: What is a key challenge in implementing open standards?** - a\) Proprietary control - **b) Widespread adoption** - c\) Database size - d\) UI complexity **Question 9: What is the impact of flexibility and agility in SOA design?** - a\) Improved integration with external systems - b\) Reduced system development time - **c) The ability to rapidly adapt the system to business needs** - d\) Supporting independent development teams **Question 10: What does scalability in SOA ensure?** - a\) Services can evolve independently without disrupting the system - b\) Faster system development with reusable services - **c) The ability to handle fluctuating workloads without system redesign** - d\) Services are secure and maintainable **Question 14: What is one of the key benefits of SOA in cloud computing?** - a\) Vendor lock-in - **b) Simplified service integration** - c\) Increased system complexity - d\) Limited service flexibility **Question 15: Which example shows a practical implementation of SOA in business?** - a\) A monolithic application structure - **b) Independent streaming services in Netflix** - c\) Centralized data management system - d\) A single, unified CRM system **Question 18: Which of the following is NOT an example of a common SOA protocol?** - a\) HTTP - b\) REST - c\) SOAP - **d) FTP** **Question 20: What is a key feature of SOA that supports innovation?** - a\) Rigid system architecture - **b) Flexible service updates** - c\) Limited collaboration between teams - d\) Proprietary protocols **Question 1: What are the three cloud computring ?** B. **Lasas , paas , saas** **\*\*Question 2: How does cloud computing improve scalability?** **A) By requiring fixed hardware investments.** C. **By allowing resources to be adjusted based on demand.** D. **By limiting access to a single location.** E. **By mandating long-term contracts with providers.** A. To develop hardware exclusively for local installations. B. **To deliver IT resources and services over the internet.** C. To manage only on-premises infrastructure. D. To restrict access to data and applications. **Question 4: How does grid computing differ from cluster computing?** A. Grid computing involves a collection of computers in a single location. B. Cluster computing is designed for geographically dispersed resources. C. **Grid computing aggregates resources from multiple organizations.** D. Cluster computing focuses solely on high-performance tasks. **Question 5: What are the challenges of achieving grid interoperability?** A. **Ensuring compatibility between different grid systems and technologies.** B. Reducing the number of organizations involved in the grid. C. Centralizing all data in a single location. D. Eliminating the need for data management. **Question 6: What are the benefits of using grid computing for large-scale data processing?** A\) Limited scalability and high upfront costs. B. **Enhanced resource sharing and improved processing power.** C. Exclusively local data management. D. Mandatory use of proprietary software. **Question 7: What are the different types of clusters?** A. **High-Performance Computing (HPC) Clusters, Load-Balancing Clusters, Fault-Tolerant Clusters** B. Data Processing Clusters, Web Clusters, Storage Clusters C. Virtual Clusters, Physical Clusters, Hybrid Clusters D. Application Clusters, Database Clusters, Security Clusters **Question 8: How does load balancing improve cluster performance?** A\) By concentrating all tasks on a single computer. B. **By distributing workloads evenly across multiple nodes.** C. By limiting the number of users accessing the cluster. D. By using only static resources without adjustment. **Question 9: What are the challenges of managing a large cluster?** A\) Simplifying resource allocation and reducing redundancy. B. **Ensuring high availability and reliability of all nodes.** C. Maintaining a single point of failure for easier management. D. Reducing the need for automation and monitoring tools. **Question 10: What is the pay-as-you-go model in utility computing?** A. A pricing model where customers pay a flat rate regardless of usage. B. **A model that charges customers based on the actual resources consumed.** C. A subscription-based model requiring long-term contracts. D. A model that only allows access to limited resources. **\*\*\*Question 11: How does utility computing improve flexibility?** A\) By limiting resource allocation to fixed tiers. B. **By allowing resources to be scaled up or down based on demand.** C. By requiring all resources to be stored on-premises. D. By enforcing long-term contracts with specific providers. **Question 12: What are the challenges of managing utility computing costs?** **A) Predicting and controlling expenses related to unused resources.** B. Ensuring fixed pricing for all resources. C. Avoiding vendor lock-in without any cost implications. D. Reducing the need for resource allocation strategies. B. **By integrating utility computing with IaaS, PaaS, and SaaS for comprehensive solutions.** C. By limiting utility computing to a single type of service. D. By avoiding any integration with other cloud models. B. C. D. A. By requiring all applications to be developed in the same programming language. B. **By providing standardized protocols and formats for communication between different systems.** C. By limiting access to only one type of application. D. By enforcing proprietary technologies across all applications. B. Ensuring all applications use the same security protocols. C. Reducing the number of users accessing the service. D. Eliminating the need for encryption entirely. B. C. D. A. Public APIs, Private APIs, Partner APIs B. Local APIs, Global APIs, Personal APIs C. Static APIs, Dynamic APIs, Composite APIs D. Free APIs, Premium APIs, Open-source APIs B. C. D. B. **By charging users for access to the API or usage-based fees.** C. By requiring all users to purchase hardware for access. D. By limiting API functionality to only a few users.