D385) 2025/2026 Exam Questions and
Answers | A+ Score Assured
HTTP status code 403 - 🧠 ANSWER ✔✔Forbidden - Client lacks necessary
permissions
HTTP status code 405 - 🧠 ANSWER ✔✔Method Not Allowed - Endpoint
does not support the HTTP method
HTTP status code 404 - 🧠 ANSWER ✔✔Not Found - The requested
resource does not exist
User-Agent header - 🧠 ANSWER ✔✔Specifies what software the client is
using to communicate with the server
Authentication header - 🧠 ANSWER ✔✔Specifies the credentials of the
user calling the API
, Denial of Service - 🧠 ANSWER ✔✔An attack that involves an overload of
requests to degrade system performance
Code Injection - 🧠 ANSWER ✔✔An attack that allows an attacker to insert
malicious code into a program
HSTS headers absence - 🧠 ANSWER ✔✔Indicates a vulnerability to Man-
in-the-Middle Attack
Accept header - 🧠 ANSWER ✔✔Specifies the content type the client can
accept
Content-Type header - 🧠 ANSWER ✔✔Specifies the type of content the
server will respond with
HTTP status code 400 - 🧠 ANSWER ✔✔Bad Request - Invalid syntax or
formatting
Regression Testing - 🧠 ANSWER ✔✔A software testing method that uses
old test cases to verify the impact of recent changes
Timing of regression testing - 🧠 ANSWER ✔✔Should be conducted after
code changes are implemented