Question 462 of 1,000

Troubleshooting and Diagnostics →hardMultiple ChoiceObjective-mapped

Quick Answer

The answer is that the session is offloaded to the NPU for hardware acceleration. The session state 'npu' directly indicates that the Network Processor Unit has taken over packet processing for this flow, allowing the FortiGate to handle traffic at wire speed without burdening the main CPU. This is a normal and expected state for sessions matching hardware-offloadable profiles, such as large file transfers or streaming traffic. On the Fortinet NSE 7 Advanced Security exam, this concept tests your understanding of how FortiGate distributes processing between the CPU and specialized hardware like the NPU, often appearing in exhibits where you must interpret session states to diagnose performance or offload issues. A common trap is confusing 'npu' with a software or error state—remember that 'npu' means the session is healthy and accelerated, not stuck or failing. Memory tip: think "NPU = No CPU needed," reinforcing that the hardware is doing the work.

NSE7 Troubleshooting and Diagnostics Practice Question

This NSE7 practice question tests your understanding of troubleshooting and diagnostics. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.

Exhibit

Refer to the exhibit.

FGT # diagnose sys session list

session info: proto=6 proto_state=01 duration=826 expire=3579 timeout=3600 flags=00000000 socktype=0 sockport=0 av_idx=0 use=3
origin-shaper= 
reply-shaper= 
per_ip_shaper= 
class_id=0 ha_id=0 policy_dir=0 tunnel=/ vlan_cos=0/255
state=log may_dirty npu bcm npu_flag=01
statistic(bytes/packets/err): org=1234/10/0 reply=5678/20/0
orgs:10.1.1.10/1234->20.2.2.20/80 vlan=10
reply:20.2.2.20/80->10.1.1.10/1234 vlan=10

FGT #

Based on the exhibit, what can be concluded about the session?

Question 1hardmultiple choice

Full question →

Exhibit

Refer to the exhibit.

FGT # diagnose sys session list

session info: proto=6 proto_state=01 duration=826 expire=3579 timeout=3600 flags=00000000 socktype=0 sockport=0 av_idx=0 use=3
origin-shaper= 
reply-shaper= 
per_ip_shaper= 
class_id=0 ha_id=0 policy_dir=0 tunnel=/ vlan_cos=0/255
state=log may_dirty npu bcm npu_flag=01
statistic(bytes/packets/err): org=1234/10/0 reply=5678/20/0
orgs:10.1.1.10/1234->20.2.2.20/80 vlan=10
reply:20.2.2.20/80->10.1.1.10/1234 vlan=10

FGT #

A
The session is a one-way session with only outbound traffic.
Why wrong: The session shows both 'org' and 'reply' directions, indicating bidirectional traffic.
B
The session is not being logged.
Why wrong: The 'log' state flag indicates logging is enabled.
C
The session is offloaded to the NPU for hardware acceleration.
The 'npu' flag indicates hardware offloading to the network processor.
D
The session is in the 'npu' state, meaning it is being processed by the CPU.
Why wrong: The 'npu' flag means the session is offloaded to the NPU, not processed by CPU.

Full breakdown with real-world context →

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 session is offloaded to the NPU for hardware acceleration.

The session state 'npu' indicates that the session has been offloaded to the Network Processor Unit (NPU) for hardware acceleration. This is a normal and expected state for traffic that matches hardware-offloadable profiles, allowing the NPU to process packets at wire speed without CPU intervention.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

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 session is a one-way session with only outbound traffic.
Why it's wrong here
The session shows both 'org' and 'reply' directions, indicating bidirectional traffic.
✗
The session is not being logged.
Why it's wrong here
The 'log' state flag indicates logging is enabled.
✓
The session is offloaded to the NPU for hardware acceleration.
Why this is correct
The 'npu' flag indicates hardware offloading to the network processor.
Related concept
Read the scenario before looking for a memorised answer.
✗
The session is in the 'npu' state, meaning it is being processed by the CPU.
Why it's wrong here
The 'npu' flag means the session is offloaded to the NPU, not processed by CPU.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often confuse the 'npu' state with CPU processing, assuming it means 'NPU processing by CPU' rather than recognizing it as hardware offload, leading them to select Option D incorrectly.

Trap categories for this question

Command / output trap
The session shows both 'org' and 'reply' directions, indicating bidirectional traffic.

Detailed technical explanation

How to think about this question

In FortiOS, session offloading to the NPU is controlled by the 'set np-acceleration' command and the session's protocol and direction. When a session is offloaded, the NPU handles packet forwarding, NAT, and firewall checks in hardware, significantly reducing CPU load. This is especially critical in high-throughput environments like data centers or ISPs, where millions of concurrent sessions must be processed without performance degradation.

KKey Concepts to Remember

Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.

TExam Day Tips

Watch for words such as best, first, most likely and least administrative effort.
Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

A practitioner preparing for the NSE7 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this NSE7 question test?

Troubleshooting and Diagnostics — This question tests Troubleshooting and Diagnostics — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: The session is offloaded to the NPU for hardware acceleration. — The session state 'npu' indicates that the session has been offloaded to the Network Processor Unit (NPU) for hardware acceleration. This is a normal and expected state for traffic that matches hardware-offloadable profiles, allowing the NPU to process packets at wire speed without CPU intervention.

What should I do if I get this NSE7 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 11, 2026

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This NSE7 practice question is part of Courseiva's free Fortinet 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 NSE7 exam.