A web application suffers a data breach due to an SQL Injection. Which aspect of security was most likely overlooked?
- Authentication
- Encryption
- Input validation
- Session management
The data breach due to SQL Injection indicates a lack of proper input validation, allowing malicious SQL queries to be executed.
The process of finding suitable web services in UDDI is known as _______.
- UDDIsearch
- serviceDiscovery
- serviceMatching
- webServiceIdentification
The process of finding suitable web services in UDDI is known as serviceMatching. During service matching, UDDI compares the technical and business criteria provided by the requester with the information stored in the registry to identify and return relevant services.
_______ vulnerability arises when an application includes untrusted data in a new web page without proper validation.
- Clickjacking
- Cross-Site Request Forgery (CSRF)
- Cross-Site Scripting (XSS)
- SQL Injection
Cross-Site Scripting (XSS) vulnerability occurs when untrusted data is included in a web page without proper validation, allowing malicious scripts to be executed.
A team needs to test a web service for both functionality and load performance. Which tool should they prioritize?
- JMeter
- Postman
- SoapUI
- Swagger
JMeter is commonly used for load performance testing of web services, making it the tool of choice in this scenario.
What is the most common HTTP status code for indicating a client-side error in a web service?
- 200 - OK
- 400 - Bad Request
- 404 - Not Found
- 500 - Internal Server Error
The HTTP status code 400 (Bad Request) is commonly used to indicate a client-side error in a web service.
What is the primary purpose of UDDI in web services?
- Creating user interfaces
- Discovering and publishing web services
- Managing databases
- Running server-side scripts
UDDI (Universal Description, Discovery, and Integration) is primarily used for discovering and publishing web services, allowing businesses to find and interact with each other's services.
What is the primary difference in the way data is retrieved between GraphQL and REST?
- Both retrieve data in the same way
- GraphQL retrieves fixed data structures, while REST allows clients to request only the data they need
- None of the above
- REST retrieves fixed data structures, while GraphQL allows clients to request only the data they need
GraphQL allows clients to specify the exact data they need, minimizing over-fetching or under-fetching, while REST returns fixed data structures.
WS-Security is a standard that applies security at the _______ level.
- Application
- Message
- Network
- Transport
WS-Security is a standard that applies security at the message level. It ensures the confidentiality, integrity, and authentication of messages exchanged between web services by embedding security information directly within the SOAP message.
How does HTTP/2 improve performance compared to HTTP/1.1 in web services?
- All of the above
- Compression
- Multiplexing
- Prioritization
HTTP/2 improves performance through features like multiplexing, compression, and prioritization. These enhancements lead to more efficient data transfer, reduced latency, and optimized resource utilization, providing a significant boost in web services performance compared to the older HTTP/1.1 protocol.
In the context of web services, what does UDDI provide?
- Communication protocol for web services
- Data serialization for web services
- Directory services for discovering web services
- Security for web services
UDDI (Universal Description, Discovery, and Integration) provides directory services for discovering web services, allowing applications to find and invoke web services dynamically.