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Free CompTIA N10-009 Exam Questions (page: 18)

Page 18 of 104
PDF with 513 Questions

An IT manager needs to connect ten sites in a mesh network. Each needs to be secured with reduced provisioning time.
Which of the following technologies will best meet this requirement?

  1. SD-WAN
  2. VXLAN
  3. VPN
  4. NFV

Answer(s): A

Explanation:

SD-WAN is designed for quickly deploying secure, scalable WAN connections across many sites. It simplifies provisioning compared to traditional VPN mesh builds and automates security and routing policies across all locations.



Which of the following is most likely responsible for the security and handling of personal data in Europe?

  1. GDPR
  2. SCADA
  3. SAML
  4. PCI DSS

Answer(s): A

Explanation:

GDPR (General Data Protection Regulation) is the legislation that governs how organizations must protect and handle personal data belonging to EU residents. The other options are technologies or frameworks, not legal data-protection requirements.



An organization has a security requirement that all network connections can be traced back to a user. A network administrator needs to identify a solution to implement on the wireless network.
Which of the following is the best solution?

  1. Implementing enterprise authentication
  2. Requiring the use of PSKs
  3. Configuring a captive portal for users
  4. Enforcing wired equivalent protection

Answer(s): A

Explanation:

Enterprise authentication (802.1X + RADIUS) provides per-user credentials, making every wireless connection uniquely identifiable.
PSKs cannot identify individual users, captive portals authenticate only at login (not per packet), and WEP is obsolete and insecure.



A customer is adding fiber connectivity between adjacent buildings. A technician terminates the multimode cable to the fiber patch panel. After the technician connects the fiber patch cable, the indicator light does not tum on.
Which of the following should a technician try first to troubleshoot this issue?

  1. Reverse the fibers.
  2. Reterminate the fibers.
  3. Verify the fiber size.
  4. Examine the cable runs for visual faults.

Answer(s): A

Explanation:

On duplex fiber links, TX must connect to RX on the other side. If the indicator light does not turn on, the most common cause is reversed fiber polarity. Swapping the two strands is the fastest and correct first troubleshooting step.



Users cannot connect to an internal website with an IP address 10.249.3.76. A network administrator runs a command and receives the following output:



Which of the following command-line tools is the network administrator using?

  1. tracert
  2. netstat
  3. tcpdump
  4. nmap

Answer(s): A

Explanation:

A traceroute/tracert command shows the path packets take to a destination, displaying each hop along the route. The hop-by-hop output referenced in the scenario matches traceroute behavior.



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