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CompTIA N10-009 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Network Implementation: For network technicians and junior network engineers, this section covers Characteristics of routing technologies, Configuration of switching technologies and features, and
Topic 2
  • Selection and configuration of wireless devices.
Topic 3
  • OSI reference model concepts, Comparison of networking appliances, applications, and functions

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CompTIA Network+ Certification Exam Sample Questions (Q116-Q121):

NEW QUESTION # 116
A network engineer runs ipconfig and notices that the default gateway is 0.0.0.0. Which of the following address types is in use?

Answer: A


NEW QUESTION # 117
A network engineer is testing a website to ensure it is compatible with IPv6. After attempting to ping the website by its IPv6 address, the engineer determines that the DNS has not been set up properly. Which of the following should the network engineer complete to resolve this issue?

Answer: C

Explanation:
*AAAA records map domain names to IPv6 addresses, enabling proper resolution.
*PTR records (A) are for reverse DNS lookups.
*TXT records (B) store text-based information, not IP addresses.
*NS records (D) define authoritative name servers but don't directly affect IPv6 resolution.
#Reference: CompTIA Network+ N10-009 Official Documentation - DNS Configuration & IPv6.


NEW QUESTION # 118
A network administrator is in the process of installing 35 PoE security cameras. After the administrator installed and tested the new cables, the administrator installed the cameras. However, a small number of the cameras do not work. Which of the following is the most reason?

Answer: C

Explanation:
When installing multiple Power over Ethernet (PoE) devices like security cameras, it is crucial to ensure that the total power requirement does not exceed the power budget of the PoE switch. Each PoE switch has a maximum power capacity, and exceeding this capacity can cause some devices to fail to receive power.
PoE Standards: PoE switches conform to standards such as IEEE 802.3af (PoE) and 802.3at (PoE+), each with specific power limits per port and total power capacity.
Power Calculation: Adding up the power requirements of all connected PoE devices can help determine if the total power budget of the switch is exceeded.
Symptoms: When the power budget is exceeded, some devices, typically those farthest from the switch or connected last, may not power up or function correctly.
Network Reference:
CompTIA Network+ N10-007 Official Certification Guide: Covers PoE standards and troubleshooting power issues.
Cisco Networking Academy: Discusses PoE technologies, power budgeting, and managing PoE devices.
Network+ Certification All-in-One Exam Guide: Provides information on PoE setup, including power budget considerations.


NEW QUESTION # 119
Which of the following disaster recovery metrics is used to describe the amount of data that is lost since the last backup?

Answer: C

Explanation:
* Definition of RPO:
* Recovery Point Objective (RPO)is a disaster recovery metric that describes the maximum acceptable amount of data loss measured in time. It indicates the point in time to which data must
* be recovered to resume normal operations after a disaster.
* For example, if the RPO is set to 24 hours, then the business could tolerate losing up to 24 hours' worth of data in the event of a disruption.
* Why RPO is Important:
* RPO is critical for determining backup frequency and helps businesses decide how often they need to back up their data. A lower RPO means more frequent backups and less potential data loss.
* Comparison with Other Metrics:
* MTTR (Mean Time to Repair):Refers to the average time required to repair a system or component and return it to normal operation.
* RTO (Recovery Time Objective):The maximum acceptable length of time that a computer, system, network, or application can be down after a failure or disaster occurs.
* MTBF (Mean Time Between Failures):The predicted elapsed time between inherent failures of a system during operation.
* How RPO is Used in Disaster Recovery:
* Organizations establish RPOs to ensure that they can recover data within a timeframe that is acceptable to business operations. This involves creating a backup plan that meets the RPO requirements.
References:
* CompTIA Network+ study materials and certification guides.


NEW QUESTION # 120
Which of the following would an adversary do while conducting an evil twin attack?

Answer: B

Explanation:
An evil twin attack sets up a rogue AP with the same SSID as a legitimate wireless network, tricking users into connecting. Once connected, the attacker can intercept traffic or harvest credentials.


NEW QUESTION # 121
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