200-201 · Question #324
Refer to the exhibit. Which application-level protocol is being targeted?
The correct answer is C. HTTP. The exhibit indicates that HTTP is the targeted application-level protocol, likely evidenced by plaintext web requests or responses that conform to the HTTP standard.
Question
Refer to the exhibit. Which application-level protocol is being targeted?
Exhibit
Options
- AFTP
- BTCP
- CHTTP
- DHTTPS
How the community answered
(34 responses)- A3% (1)
- B3% (1)
- C88% (30)
- D6% (2)
Why each option
The exhibit indicates that HTTP is the targeted application-level protocol, likely evidenced by plaintext web requests or responses that conform to the HTTP standard.
FTP (File Transfer Protocol) operates on different ports (e.g., 20, 21) and has distinct commands (e.g., USER, PASS, RETR) that would be visible if it were the targeted protocol.
TCP (Transmission Control Protocol) is a transport layer protocol, not an application-layer protocol; HTTP runs over TCP, but TCP itself is not the application being targeted.
HTTP (Hypertext Transfer Protocol) is an application-layer protocol used for transmitting hypermedia documents. If the exhibit shows traffic on port 80 or explicitly non-encrypted web traffic with GET/POST requests, it points to HTTP as the targeted protocol.
HTTPS (Hypertext Transfer Protocol Secure) encrypts HTTP traffic using TLS/SSL, typically over port 443; if the exhibit shows plaintext web traffic, HTTPS is not in use.
Concept tested: Application layer protocol identification (HTTP)
Source: https://learn.microsoft.com/en-us/troubleshoot/windows-server/networking/hypertext-transfer-protocol-overview
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