SSE-Engineer Prisma Access Troubleshooting Practice Question
An administrator is troubleshooting a Prisma Access deployment experiencing intermittent packet drops and high latency across remote branches. Which THREE diagnostic steps or tools should be used? (Choose three)
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
✓
Check IPsec tunnel monitoring statistics and DPD settings for packet loss and tunnel flapping.
Troubleshooting packet drops and latency involves checking MTU/MSS settings, interface statistics, IPsec tunnel monitoring, and QoS profiles.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Modify the administrative administrator accounts in Panorama.
Why it's wrong here
Admin accounts have no impact on data-plane packet latency or network performance.
- ✓
Check IPsec tunnel monitoring statistics and DPD settings for packet loss and tunnel flapping.
Why this is correct
Tunnel monitoring and DPD statistics reveal unstable IPsec connections.
- ✗
Check the GlobalProtect portal certificate expiration date.
Why it's wrong here
Portal certificates affect initial authentication, not ongoing site-to-site tunnel latency or packet loss.
- ✓
Verify TCP MSS clamping and MTU configurations across the IPsec tunnels to prevent packet fragmentation.
Why this is correct
MTU mismatches and lack of MSS clamping cause packet fragmentation and drops.
- ✓
Review QoS bandwidth allocation and utilization to ensure critical traffic is not being dropped due to congestion.
Why this is correct
QoS verification ensures high-priority traffic isn't affected by congestion drops.
Quick reference
VPN Protocol Comparison
| Protocol | Port | Encryption | Authentication | Use Case |
|---|---|---|---|---|
| IKEv2 / IPsec | UDP 500 / 4500 | AES-256 | Certificates / PSK | Site-to-site & remote access |
| SSL / TLS VPN | TCP 443 | TLS 1.3 | Certificates / MFA | Clientless remote access |
| L2TP / IPsec | UDP 1701 | AES (IPsec) | PSK / Certificates | Legacy remote access |
| WireGuard | UDP 51820 | ChaCha20 | Public keys | Modern high-performance VPN |
| PPTP | TCP 1723 | MPPE (weak) | MS-CHAPv2 | Legacy — avoid in production |
PPTP is considered insecure. IKEv2/IPsec and SSL VPN are the current recommended options.
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Palo Alto Networks exam blueprint
This SSE-Engineer practice question is part of Courseiva's free Palo Alto Networks 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 SSE-Engineer exam.