- A
A transform set can specify both ESP and AH protocols.
A transform set can include ESP (with or without encryption) and AH for authentication.
- B
A transform set must include an encryption algorithm.
Why wrong: ESP can be used without encryption (ESP-null) for authentication only; AH does not provide encryption.
- C
Multiple transform sets can be configured and tried in order.
You can configure multiple transform sets in a crypto map entry, and they are proposed in order during IKE negotiation.
- D
AH provides both authentication and encryption.
Why wrong: AH provides authentication and integrity, but not encryption.
- E
The 'crypto ipsec transform-set' command is used to define the transform set.
This command is used to create and name a transform set with specified algorithms.
300-410 IPsec Site-to-Site VPN Practice Question
This 300-410 practice question tests your understanding of ipsec site-to-site vpn. 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.
Which THREE statements about IPsec transform sets are true? (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
A transform set can specify both ESP and AH protocols.
Option A is correct because an IPsec transform set can specify both ESP and AH protocols simultaneously. This allows a single transform set to define the combined use of AH for authentication and ESP for encryption (or encryption plus authentication), providing flexibility in securing IPsec traffic.
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.
- ✓
A transform set can specify both ESP and AH protocols.
Why this is correct
A transform set can include ESP (with or without encryption) and AH for authentication.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
A transform set must include an encryption algorithm.
Why it's wrong here
ESP can be used without encryption (ESP-null) for authentication only; AH does not provide encryption.
- ✓
Multiple transform sets can be configured and tried in order.
Why this is correct
You can configure multiple transform sets in a crypto map entry, and they are proposed in order during IKE negotiation.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AH provides both authentication and encryption.
Why it's wrong here
AH provides authentication and integrity, but not encryption.
- ✓
The 'crypto ipsec transform-set' command is used to define the transform set.
Why this is correct
This command is used to create and name a transform set with specified algorithms.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the misconception that AH provides encryption, when in fact AH only offers authentication and integrity, while encryption is exclusively the domain of ESP.
Detailed technical explanation
How to think about this question
Under the hood, a transform set is a combination of security protocols and algorithms that define how IPsec protects traffic. When both ESP and AH are specified, ESP typically handles encryption and optional authentication, while AH provides additional integrity verification for the outer IP header. In real-world deployments, using AH with ESP is rare due to NAT traversal issues, as AH authenticates the IP header, which changes with NAT.
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 300-410 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.
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FAQ
Questions learners often ask
What does this 300-410 question test?
IPsec Site-to-Site VPN — This question tests IPsec Site-to-Site VPN — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: A transform set can specify both ESP and AH protocols. — Option A is correct because an IPsec transform set can specify both ESP and AH protocols simultaneously. This allows a single transform set to define the combined use of AH for authentication and ESP for encryption (or encryption plus authentication), providing flexibility in securing IPsec traffic.
What should I do if I get this 300-410 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.
About these practice questions
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Last reviewed: Jun 24, 2026
This 300-410 practice question is part of Courseiva's free Cisco 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 300-410 exam.
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