CompTIA N10-009 CompTIA Network+ Certification Exam Practice Test Questions

• Question 1

  A network administrator configured a router interface as 10.0.0.95 255.255.255.240. Theadministrator discovers that the router is not routing packets to a web server with IP 10.0.0.81/28. Which of the following is the best explanation?

  • The web server Is In a different subnet.
  • The router interface is a broadcast address.
  • The IP address space is a class A network.
  • The subnet is in a private address space.

  Show Answer Answer: B Next

• Question 2

  Which of the following attacks would most likely cause duplicate IP addresses in a network?

  • Rogue DHCP server
  • DNS poisoning
  • Social engineering
  • Denial-of-service

  Show Answer Answer: A Next

• Question 3

  After running a Cat 8 cable using passthrough plugs, an electrician notices that connected cables are experiencing a lot of cross talk. Which of the following troubleshooting steps should the electrician take first?

  • Inspect the connectors for any wires that are touching or exposed.
  • Restore default settings on the connected devices.
  • Terminate the connections again.
  • Check for radio frequency interference in the area.

  Show Answer Answer: A Next

• Question 4

  Which of the following ports is used for secure email?

  • 25
  • 110
  • 143
  • 587

  Show Answer Answer: D Next

• Question 5

  A network technician is troubleshooting a web application's poor performance. The office has two internet links that share the traffic load. Which of the following tools should the technician use to determine which link is being used for the web application?

  • netstat
  • nslookup
  • ping
  • tracert

  Show Answer Answer: D Next