Practice Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the primary purpose of an API in monitoring systems?
A. To replace databases
B. To enable programmatic interaction between systems
C. To store log files
D. To increase hardware performance
Answer: B
Rationale: APIs allow different systems to communicate and
automate tasks programmatically.
2. Which protocol is most commonly used for REST APIs?
A. FTP
B. SMTP
C. HTTP
D. SNMP
Answer: C
, Rationale: REST APIs rely on HTTP methods like GET, POST, PUT, and
DELETE.
3. Which HTTP method is used to retrieve data?
A. POST
B. GET
C. DELETE
D. PATCH
Answer: B
Rationale: GET is used to request and retrieve data from a server.
4. Which format is most commonly used for API data exchange?
A. XML only
B. CSV
C. JSON
D. YAML only
Answer: C
Rationale: JSON is lightweight and widely used in modern APIs.
5. What is automation in monitoring systems primarily used for?
A. Manual data entry
B. Reducing human intervention in repetitive tasks
C. Increasing server cost
D. Disabling alerts
Answer: B
, Rationale: Automation reduces manual work and improves
efficiency.
6. Which authentication method is commonly used in APIs?
A. Basic Auth only
B. API Keys and Tokens
C. FTP login
D. MAC filtering
Answer: B
Rationale: API keys and tokens secure API access.
7. What does a 200 HTTP status code indicate?
A. Error
B. Unauthorized access
C. Success
D. Server crash
Answer: C
Rationale: 200 indicates a successful request.
8. Which tool is commonly used for API testing?
A. Photoshop
B. Postman
C. Excel only
D. Notepad
Answer: B
Rationale: Postman is widely used for testing APIs.
, 9. What does JSON stand for?
A. Java Simple Object Notation
B. JavaScript Object Notation
C. Joined System Object Network
D. Java Serialized Object Naming
Answer: B
Rationale: JSON is JavaScript Object Notation used for data
exchange.
10. Which method is used to update an existing resource partially?
A. PUT
B. POST
C. PATCH
D. GET
Answer: C
Rationale: PATCH is used for partial updates.
11. What is an API endpoint?
A. A database table
B. A URL where an API can be accessed
C. A firewall rule
D. A server CPU
Answer: B
Rationale: Endpoints are specific URLs for API requests.