Question 1mediummatching
Full question →Match each security concept to its most accurate meaning.
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mediummatchingObjective-mapped
Match each security concept to its most accurate meaning.
Common exam trap
Common exam trap: answer the scenario, not the keyword
A common exam trap is confusing confidentiality with integrity or availability. Candidates often think confidentiality means data is correct or systems are always accessible, but confidentiality specifically means preventing unauthorized data viewing. Another trap is mixing least privilege with availability, assuming it relates to uptime rather than access control. Misunderstanding these concepts can lead to incorrect matching, especially since these foundational security principles often appear together in Cisco CCNA questions.
Technical deep dive
How to think about this question
Confidentiality, integrity, availability, and least privilege are core pillars of information security, often abbreviated as the CIA triad plus least privilege. Confidentiality ensures that sensitive information is only accessible to authorized users, preventing unauthorized disclosure. Integrity guarantees that data remains accurate and unaltered except by authorized actions, protecting against tampering or corruption. Availability ensures that systems and data are accessible and operational when needed, preventing downtime or denial of service. Least privilege restricts user or process access rights to the minimum necessary to perform their tasks, reducing the attack surface and limiting potential damage from compromised accounts. In Cisco networking and security contexts, these principles guide the design and implementation of security controls. For example, confidentiality is enforced by encryption protocols like IPsec or SSL, integrity is maintained through hashing and digital signatures, availability is supported by redundancy and failover mechanisms, and least privilege is implemented through role-based access control (RBAC) and carefully crafted access control lists (ACLs). Understanding these concepts helps network engineers configure secure environments and troubleshoot security issues effectively. A frequent exam trap is misapplying these concepts to Cisco technologies. For instance, confusing availability with least privilege might lead to incorrect assumptions about access control configurations. Practically, network devices enforce least privilege by limiting administrative rights and user permissions, while availability is ensured by network design choices like redundant links and power supplies. Recognizing these distinctions is critical for correctly answering CCNA questions and for real-world network security management.
KKey Concepts to Remember
- Confidentiality prevents unauthorized users from viewing sensitive data, ensuring privacy in Cisco network communications and configurations.
- Integrity protects data from unauthorized modification, ensuring that information remains accurate and trustworthy during transmission and storage.
- Availability ensures that network systems and data are accessible and operational when needed, preventing downtime and service interruptions.
- Least privilege restricts user and process access rights to only what is necessary, minimizing security risks from excessive permissions.
- Cisco access control lists (ACLs) implement least privilege by permitting only authorized traffic and blocking unauthorized access.
- Encryption protocols in Cisco devices enforce confidentiality by encoding data to prevent unauthorized disclosure.
- Network redundancy and failover mechanisms in Cisco designs support availability by maintaining continuous service during failures.
- Role-based access control (RBAC) in Cisco IOS limits administrative privileges, enforcing least privilege principles effectively.
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 users from viewing sensitive data, ensuring privacy in Cisco network communications and configurations.
What exam trap should I watch out for?
Common exam trap: answer the scenario, not the keyword: A common exam trap is confusing confidentiality with integrity or availability. Candidates often think confidentiality means data is correct or systems are always accessible, but confidentiality specifically means preventing unauthorized data viewing. Another trap is mixing least privilege with availability, assuming it relates to uptime rather than access control. Misunderstanding these concepts can lead to incorrect matching, especially since these foundational security principles often appear together in Cisco CCNA questions.
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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