What is the significance of Consumer-Driven Contracts (CDC) in API testing?
- Allows consumers to dictate the terms of the contract
- Ensures consumers and providers adhere to the same contract
- Shifts testing responsibility to the provider
- Verifies only the producer's perspective
Consumer-Driven Contracts (CDC) in API testing play a crucial role in ensuring that both consumers and providers adhere to the same contract. By shifting the testing responsibility to the producer, it helps maintain compatibility and reliability, ensuring that changes in one side don't break the other. This approach fosters collaboration and improves the overall quality of API interactions.
In API Gateway Testing, what is typically validated in a basic health check?
- Database Schema
- Network Latency
- Request Payload
- Server Uptime
A basic health check in API Gateway Testing often involves validating the server's uptime and responsiveness, ensuring it is available to handle requests.
Given a scenario where an API is experiencing slower response times during peak traffic hours, what would be your primary focus in performance testing?
- Endurance Testing
- Load Testing
- Spike Testing
- Stress Testing
In scenarios of peak traffic, Load Testing is crucial to understand how the system performs under normal and expected peak loads. It helps identify bottlenecks and performance issues during high user activity. Stress Testing is designed to evaluate system behavior under extreme conditions, but it might not pinpoint issues specific to peak traffic. Spike Testing focuses on sudden spikes in traffic, while Endurance Testing assesses system stability over prolonged periods.
What is the significance of environment variables in Postman during API testing?
- Environment variables are not relevant in API testing with Postman.
- Environment variables are used for storing static values in Postman.
- They allow dynamic parameterization, facilitating the reuse of values across requests.
- They are only useful for storing API documentation links.
Environment variables in Postman play a crucial role in API testing by enabling dynamic parameterization. Testers can reuse values across requests, enhancing efficiency and maintainability. This feature is particularly beneficial when dealing with different environments, ensuring smooth execution and adaptability in various testing scenarios.
In RESTful API testing, the focus is often on the correct use of _________, whereas in SOAP API testing, the emphasis is on _________.
- Authentication Tokens
- HTTP Methods
- WSDL
- XML Schema
RESTful API testing typically focuses on the correct use of HTTP methods such as GET, POST, PUT, and DELETE. In SOAP API testing, the emphasis is often on understanding and testing against the Web Services Description Language (WSDL).
In the context of IPv4, which of the following subnets provides the least number of host addresses: /24, /26, /28, or /30?
- /24
- /26
- /28
- /30
A subnet with a /30 prefix provides the least number of host addresses in IPv4. It allocates 2 host addresses (1 for the network address and 1 for the broadcast address), making it suitable for point-to-point connections.
How do modern switches handle broadcast frames?
- They analyze broadcast frames and forward them intelligently.
- They convert broadcast frames into unicast frames.
- They drop broadcast frames to reduce network traffic.
- They forward broadcast frames to all devices on the network.
Modern switches typically forward broadcast frames to all devices on the network. While this can increase network traffic, it ensures that broadcast messages reach all devices on the local network.
Which protocol allows for both the synchronization of emails across multiple devices and the storage of emails on the server?
- FTP
- IMAP
- POP3
- SMTP
IMAP (Internet Message Access Protocol) is used for email synchronization across multiple devices and allows the storage of emails on the server. It is designed for managing email in a way that's accessible from different devices.
Why might a network administrator choose to implement VLANs on a switch?
- To improve routing between networks.
- To increase the physical size of a network.
- To reduce latency in network communication.
- To segment a large network into smaller, isolated broadcast domains.
Network administrators implement Virtual LANs (VLANs) on switches to segment a large network into smaller, isolated broadcast domains. This reduces broadcast traffic and enhances network security by isolating groups of devices.
Among RIP, OSPF, and BGP, which one is considered an interior gateway protocol (IGP) that's mainly used for routing within an autonomous system?
- BGP
- None of the above
- OSPF
- RIP
OSPF (Open Shortest Path First) is an interior gateway protocol (IGP) used for routing within an autonomous system. It's designed for routing within a single organization's network and provides more advanced features compared to RIP.