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Free CompTIA N10-009 Exam Questions (page: 9)

Page 9 of 104
PDF with 513 Questions

Which of the following would allow a network administrator to analyze attacks coming from the internet without affecting latency?

  1. IPS
  2. IDS
  3. Load balancer
  4. Firewall

Answer(s): B

Explanation:

An IDS (Intrusion Detection System) inspects mirrored traffic passively and does not sit inline, so it adds no latency. IPS and firewalls sit inline and can add delay.



A technician is troubleshooting wireless connectivity near a break room.
Whenever a user turns on the microwave, connectivity to the user's laptop is lost.
Which of the following frequency bands is the laptop most likely using?

  1. 2.4GHz
  2. 5GHz
  3. 6GHz
  4. 900MHz

Answer(s): A

Explanation:

Microwaves emit interference around 2.4GHz, the same frequency used by many Wi-Fi devices. Devices on 5GHz or 6GHz would not be affected.



A network administrator needs to implement routing capabilities in a hypervisor.
Which of the following should the administrator most likely implement?

  1. VPC
  2. Firewall
  3. NFV
  4. IaaS

Answer(s): C

Explanation:

NFV (Network Function Virtualization) virtualizes network appliances—including routers—inside a hypervisor. This allows routing, switching, and firewalling to be deployed as software.



A network technician needs to install patch cords from the UTP patch panel to the access switch for a newly occupied set of offices. The patch panel is not labeled for easy jack identification.
Which of the following tools provides the easiest way to identify the appropriate patch panel port?

  1. Toner
  2. Laptop
  3. Cable tester
  4. Visual fault locator

Answer(s): A

Explanation:

A toner and probe lets you send a signal down a cable and quickly trace it to the correct port on the patch panel, making identification simple.



A network administrator received complaints of intermittent network connectivity issues. The administrator investigates and finds that the network design contains potential loop scenarios.
Which of the following should the administrator do?

  1. Enable spanning tree.
  2. Configure port security.
  3. Change switch port speed limits.
  4. Enforce 802.1Q tagging.

Answer(s): A

Explanation:

STP (Spanning Tree Protocol) prevents network loops by blocking redundant links. Without STP, loops cause broadcast storms and intermittent connectivity.



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