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SSCP Practice Question: Refer to the exhibit

Exhibit

Proto Local Address          Foreign Address        State
TCP 192.168.1.100:49152   203.0.113.10:80       ESTABLISHED
TCP 192.168.1.100:49153   192.168.1.1:53        TIME_WAIT
TCP 192.168.1.100:49154   74.125.224.72:443     ESTABLISHED

Refer to the exhibit. Which of the following is most likely a web browsing session?

⚠ Common exam trap

ISC2 often tests the misconception that web browsing only involves HTTP (port 80) and ignores the essential DNS resolution step. Candidates may incorrectly rule out option C because DNS is not a web protocol, but it is an integral part of the browsing process.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

192.168.1.100:49154 to 74.125.224.72:443

It shows an HTTPS session to port 443, which is the most common web browsing protocol. Option A also shows an HTTP session (port 80), which is a web browsing session, but HTTPS is more prevalent. Option C shows a DNS query (port 53), which is not a web browsing session; it is a name resolution protocol. Therefore, only B is a web browsing session, and option D is incorrect because it includes C.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • ✗

    192.168.1.100:49152 to 203.0.113.10:80

    Why it's wrong here

    This is an HTTP session, which is a web browsing session, but HTTPS is more common today.

  • ✓

    192.168.1.100:49154 to 74.125.224.72:443

    Why this is correct

    This is an HTTPS session, which is a secure web browsing session and the most likely type of web browsing.

  • ✗

    192.168.1.100:49153 to 192.168.1.1:53

    Why it's wrong here

    This is a DNS query, not a web browsing session.

  • ✗

    Both A and C

    Why it's wrong here

    Ly includes C, which is not a web browsing session.

Visual reference

Client Recursive Resolver Root DNS (13 root servers) TLD DNS (.com, .org, …) Authoritative example.com query IP addr answer

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JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

This SSCP practice question is part of Courseiva's free ISC2 certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SSCP exam.