- A
Availability
Why wrong: Availability ensures systems are accessible, not confidentiality.
- B
Non-repudiation
Why wrong: Non-repudiation prevents denial of actions, not confidentiality.
- C
Integrity
Why wrong: Integrity ensures data has not been altered, not confidentiality.
- D
Confidentiality
Confidentiality is the goal of keeping data secret, achieved via encryption.
Question 664 of 1,000
easyMultiple ChoiceObjective-mapped
SSCP Practice Question: Ensure that data transmitted between its two…
This SSCP practice question tests your understanding of sscp exam topics. 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.
A company wants to ensure that data transmitted between its two branch offices remains confidential. Which cryptographic goal is primarily being addressed?
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
✓
Confidentiality
Confidentiality ensures that data is accessible only to authorized parties, typically achieved through encryption. In this scenario, the company wants to prevent unauthorized interception of data between branch offices, which is the core goal of confidentiality. Technologies such as IPsec VPNs or TLS are used to encrypt the data in transit, directly addressing this requirement.
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.
- ✗
Availability
Why it's wrong here
Availability ensures systems are accessible, not confidentiality.
- ✗
Non-repudiation
Why it's wrong here
Non-repudiation prevents denial of actions, not confidentiality.
- ✗
Integrity
Why it's wrong here
Integrity ensures data has not been altered, not confidentiality.
- ✓
Confidentiality
Why this is correct
Confidentiality is the goal of keeping data secret, achieved via encryption.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse confidentiality with integrity, mistakenly thinking that protecting data from modification also prevents it from being read, but encryption alone does not guarantee integrity unless combined with a MAC or authenticated encryption mode like GCM.
Detailed technical explanation
How to think about this question
Confidentiality in transit is commonly implemented using symmetric encryption algorithms like AES-256 within protocols such as IPsec ESP (Encapsulating Security Payload) or TLS 1.3. The encryption keys are exchanged securely using asymmetric methods like Diffie-Hellman (RFC 3526) or ECDHE, ensuring that even if the ciphertext is intercepted, it cannot be decrypted without the key. A subtle behavior is that confidentiality does not inherently prevent traffic analysis, where an attacker might infer sensitive information from packet sizes or timing, which is why padding and traffic flow confidentiality techniques are sometimes added.
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 developer is choosing between AES-256 (symmetric) and RSA-2048 (asymmetric) for encrypting a large file that will be sent to a partner. Symmetric encryption is fast but requires key exchange; asymmetric is slower but solves the key distribution problem. A hybrid approach — encrypt the file with AES, encrypt the AES key with RSA — is standard. Questions like this test whether you understand when each approach applies.
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.
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 SSCP question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Confidentiality — Confidentiality ensures that data is accessible only to authorized parties, typically achieved through encryption. In this scenario, the company wants to prevent unauthorized interception of data between branch offices, which is the core goal of confidentiality. Technologies such as IPsec VPNs or TLS are used to encrypt the data in transit, directly addressing this requirement.
What should I do if I get this SSCP 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
This SSCP practice question is part of Courseiva's free ISC2 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 SSCP exam.
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