hardMultiple ChoiceObjective-mapped
350-701 Practice Question: A network administrator notices that users in the…
A network administrator notices that users in the finance department are unable to access a legitimate business web application that uses custom port 8443. The WSA is configured with a decryption policy that decrypts all traffic on port 443. What is the most likely cause of the issue?
⚠ Common exam trap
Cisco often tests the misconception that decryption policies automatically apply to all HTTPS traffic regardless of port, when in fact they are port-specific and require explicit configuration for non-standard ports.
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 decryption policy is not applied to port 8443, so the WSA treats it as non-decrypted traffic which may be blocked by default
The WSA's decryption policy is configured to decrypt traffic only on port 443 (HTTPS). Since the finance department's web application uses custom port 8443, the traffic is not subject to decryption. By default, the WSA may block non-decrypted traffic that matches certain security or access policies, or it may treat it as untrusted, leading to access failure. The most likely cause is that the decryption policy does not cover port 8443, so the WSA applies a default action (often block) to non-decrypted traffic.
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 decryption policy is not applied to port 8443, so the WSA treats it as non-decrypted traffic which may be blocked by default
Why this is correct
Default access policies often block non-decrypted or non-standard ports unless explicitly allowed.
- ✗
The WSA is configured with a time-based access rule that only allows access during business hours
Why it's wrong here
Time-based rules would cause intermittent access, not a complete block.
- ✗
The WSA cannot decrypt traffic on port 8443, causing a certificate mismatch
Why it's wrong here
The WSA does not decrypt on port 8443, so no certificate is presented.
- ✗
The web application is blocked by an identity-based access policy
Why it's wrong here
Identity-based policies apply to authenticated users, but the block is likely due to the port.
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Written by Johnson Ajibi, MSc IT Security
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