LPIC-2 Advanced Networking Configuration Practice Question
Network Topology
Refer to the exhibit. If a user on the local machine tries to SSH to a remote host on eth1, what will happen?
⚠ Common exam trap
The trap here is that candidates mistakenly focus on the INPUT chain's DROP policy and assume it blocks outgoing SSH, or they think a specific rule for SSH is required in the OUTPUT chain, overlooking the default ACCEPT policy.
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
✓
The connection will succeed because the OUTPUT chain accepts all.
The OUTPUT chain has a default policy of ACCEPT, meaning all outgoing packets, including SSH traffic (TCP port 22), are allowed by default. Since the user is initiating an SSH connection from the local machine, the packet traverses the OUTPUT chain, and with no explicit DROP or REJECT rule, it is permitted. The INPUT chain's default DROP policy only affects incoming packets, not outgoing connections.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The connection will succeed only if the remote host is on eth0.
Why it's wrong here
The interface does not matter for outgoing connections; OUTPUT chain doesn't filter by interface.
- ✓
The connection will succeed because the OUTPUT chain accepts all.
Why this is correct
Outgoing SSH is allowed by OUTPUT policy.
- ✗
The connection will fail because there is no rule accepting outgoing SSH.
Why it's wrong here
Default policy ACCEPT allows all outgoing.
- ✗
The connection will fail because the INPUT chain drops all.
Why it's wrong here
INPUT chain applies to incoming packets; outgoing connections are not affected.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This LPIC-2 practice question is part of Courseiva's free LPI 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 LPIC-2 exam.