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Free CompTIA N10-009 Exam Questions (page: 11)

Page 11 of 104
PDF with 513 Questions

Which of the following layers of the OSI model is responsible for end-to-end encryption?

  1. Presentation
  2. Application
  3. Session
  4. Transport

Answer(s): A

Explanation:

The Presentation layer (Layer 6) handles data formatting, compression, and encryption. TLS/SSL operations conceptually fall here, even though implementations span layers.



A network security administrator needs to monitor the contents of data sent between a secure network and the rest of the company.
Which of the following monitoring methods will accomplish this task?

  1. Port mirroring
  2. Flow data
  3. Syslog entries
  4. SNMP traps

Answer(s): A

Explanation:

Port mirroring (SPAN) replicates packet contents for analysis. Flow data does not include payload, and syslog provides only device logs. Availability monitoring tracks uptime—not traffic inspection.



Which of the following does a full-tunnel VPN provide?

  1. Lower bandwidth requirements
  2. The ability to reset local computer passwords
  3. Corporate inspection of all network traffic
  4. Access to blocked sites

Answer(s): C

Explanation:

A full-tunnel VPN forces all user traffic — internet and internal — through the organization’s VPN concentrator, allowing the company to inspect, filter, and log all traffic.



Which of the following does a hash provide?

  1. Non-repudiation
  2. Integrity
  3. Confidentiality
  4. Availability

Answer(s): B

Explanation:

A hash verifies integrity, ensuring data has not been altered. It does not encrypt (confidentiality) or authenticate the sender (non-repudiation).



A company wants to implement a disaster recovery site for non-critical applications, which can tolerate a short period of downtime.
Which of the following types of sites should the company implement to achieve this goal?

  1. Hot
  2. Cold
  3. Warm
  4. Passive

Answer(s): C

Explanation:

A warm site contains partially pre-configured systems and up-to-date backups, allowing faster recovery than a cold site but not as immediate as a hot site.



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