Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
Which statement best explains the purpose of confidentiality in the CIA triad?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
Preventing unauthorized disclosure of data
This is correct because confidentiality is about keeping information from unauthorized access or viewing.
B
Distractor review
Ensuring a service is reachable during business hours
This is wrong because that is an availability-oriented idea.
C
Distractor review
Recording every administrative action in a log
This is wrong because that aligns more with accounting and auditing than confidentiality.
D
Distractor review
Making sure data was not changed improperly
This is wrong because that is integrity, not confidentiality.
Common exam trap
Common exam trap: answer the scenario, not the keyword
A common exam trap is confusing confidentiality with other parts of the CIA triad, especially integrity and availability. Candidates often mistake confidentiality for ensuring data integrity (making sure data is not changed improperly) or availability (ensuring services are reachable). This confusion leads to selecting answers related to data accuracy or uptime rather than secrecy. The key is to remember that confidentiality strictly concerns preventing unauthorized access or disclosure of information, not its correctness or accessibility. Misreading the question or answer options can cause this error, so focus on the core definition of confidentiality when answering.
Technical deep dive
How to think about this question
Confidentiality is one of the three core principles in the CIA triad, which stands for Confidentiality, Integrity, and Availability. It specifically focuses on protecting information from unauthorized access or disclosure. In Cisco networking and security contexts, confidentiality ensures that sensitive data such as passwords, configuration files, and user information are only accessible to authorized users or systems. Techniques like encryption, access control lists (ACLs), and secure management protocols (e.g., SSH instead of Telnet) are commonly used to enforce confidentiality. The decision process for maintaining confidentiality involves implementing controls that prevent unauthorized entities from viewing or intercepting data. This includes using encryption protocols such as IPsec or SSL/TLS to secure data in transit, configuring ACLs to restrict access to network devices, and enforcing strong authentication mechanisms. Cisco devices support these features to ensure that data confidentiality is preserved throughout the network infrastructure. A common exam trap is confusing confidentiality with other CIA triad components like integrity or availability. For example, ensuring data is not altered improperly relates to integrity, while ensuring systems are reachable relates to availability. In practical Cisco networking, confidentiality failures often result from weak passwords, unencrypted protocols, or misconfigured ACLs, which can expose sensitive data to attackers. Understanding this distinction helps avoid mistakes in both exam scenarios and real-world network security design.
KKey Concepts to Remember
- Confidentiality prevents unauthorized disclosure of data by restricting access to sensitive information in Cisco network environments.
- Encryption protocols like IPsec and SSL/TLS are used in Cisco networks to protect data confidentiality during transmission.
- Access control lists (ACLs) on Cisco devices enforce confidentiality by limiting which users or devices can access specific network resources.
- Confidentiality differs from integrity, which ensures data is not altered improperly, and from availability, which ensures network services remain accessible.
- Cisco secure management protocols such as SSH replace insecure methods like Telnet to maintain confidentiality of administrative access.
- Implementing strong authentication mechanisms on Cisco devices helps maintain confidentiality by verifying user identities before granting access.
- Misconfigurations in ACLs or use of unencrypted protocols can lead to confidentiality breaches in Cisco networks.
- Understanding the CIA triad components individually helps avoid confusing confidentiality with integrity or availability in Cisco security contexts.
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.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A router learns the same prefix from both OSPF and EIGRP. Which route is installed by default?
Question 2
A router shows this output: R1#show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 10.1.1.2 1 FULL/DR 00:00:34 192.168.12.2 GigabitEthernet0/0 10.1.1.3 1 2WAY/DROTHER 00:00:39 192.168.12.3 GigabitEthernet0/0 Which statement is correct?
Question 3
What is the OSPF metric called?
Question 4
A non-root switch has two uplinks toward the root bridge. One path has a lower total STP cost than the other. What role will the lower-cost uplink have?
Question 5
A router interface applies this ACL inbound: 10 deny tcp any any eq 80 20 permit ip any any A user reports that web browsing to a server by IP address fails, but ping works. Which statement best explains the behavior?
Question 6
A router learns route 198.51.100.0/24 from OSPF with AD 110 and also has a static route to the same prefix configured with AD 150. Which route is installed?
FAQ
Questions learners often ask
What does this 200-301 question test?
Confidentiality prevents unauthorized disclosure of data by restricting access to sensitive information in Cisco network environments.
What is the correct answer to this question?
The correct answer is: Preventing unauthorized disclosure of data — Confidentiality is about preventing unauthorized disclosure of information. In plain language, it focuses on keeping data away from people or systems that should not see it. This is different from integrity, which is about unauthorized change, and availability, which is about being able to access systems and information when needed. This distinction matters because many security controls are aimed more directly at one part of the CIA triad than the others. The correct answer is the one focused on secrecy from unauthorized viewers.
What should I do if I get this 200-301 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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