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Free CompTIA N10-009 Exam Questions (page: 6)

Page 6 of 104
PDF with 513 Questions

Which of the following attacks can cause users who are attempting to access a company website to be directed to an entirely different website?

  1. DNS poisoning
  2. Denial-of-service
  3. Social engineering
  4. ARP spoofing

Answer(s): A

Explanation:

DNS poisoning corrupts DNS lookup results, redirecting users to malicious or incorrect IP addresses.



As part of an attack, a threat actor purposefully overflows the content-addressable memory (CAM) table on a switch.
Which of the following types of attacks is this scenario an example of?

  1. ARP spoofing
  2. Evil twin
  3. MAC flooding
  4. DNS poisoning

Answer(s): C

Explanation:

MAC flooding overwhelms the CAM table, forcing the switch to flood traffic and enabling packet sniffing.



A company's office has publicly accessible meeting rooms equipped with network ports. A recent audit revealed that visitors were able to access the corporate network by plugging personal laptops into open network ports.
Which of the following should the company implement to prevent this in the future?

  1. URL filters
  2. VPN
  3. ACLs
  4. NAC

Answer(s): D

Explanation:

Network Access Control (NAC) evaluates and authorizes devices before they join the network, stopping unauthorized guest devices.



A user notifies a network administrator about losing access to a remote file server. The network administrator is able to ping the server and verifies the current firewall rules do not block access to the network fileshare.
Which of the following tools would help identify which ports are open on the remote file server?

  1. dig
  2. nmap
  3. tracert
  4. nslookup

Answer(s): B

Explanation:

Nmap scans remote hosts to determine which TCP/UDP ports are open or filtered.



Which of the following technologies is the best choice to listen for requests and distribute user traffic across web servers?

  1. Router
  2. Switch
  3. Firewall
  4. Load balancer

Answer(s): D

Explanation:

A load balancer receives client requests and distributes them across multiple backend servers for performance and redundancy.



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