N10-009 Practice Test

N10-009 Practice Test practice questions, page 6 of 31, with answer review and explanations.

Question 26

A company is hosting a secure server that requires all connections to the server to be encrypted. A junior administrator needs to harden the web server. The following ports on the web server are open: Which of the following ports should be disabled?

  1. 22
  2. 80
  3. 443
  4. 587

Question 27

Which of the following is the next step to take after successfully testing a root cause theory?

  1. Determine resolution steps.
  2. Duplicate the problem in a lab.
  3. Present the theory for approval.
  4. Implement the solution to the problem.

Question 28

A network administrator is configuring a new switch and wants to ensure that only assigned devices can connect to the switch. Which of the following should the administrator do?

  1. Configure ACLs.
  2. Implement a captive portal.
  3. Enable port security.
  4. Disable unnecessary services.

Question 29

A customer needs six usable IP addresses. Which of the following best meets this requirement?

  1. 255.255.255.128
  2. 255.255.255.192
  3. 255.255.255.224
  4. 255.255.255.240

Question 30

A user reports having intermittent connectivity issues to the company network. The network configuration for the user reveals the following: IP address: 192.168.1.10 - Subnet mask: 255.255.255.0 - Default gateway: 192.168.1.254 - The network switch shows the following ARP table: Which of the following is the most likely cause of the user's connection issues?

  1. A port with incorrect VLAN assigned
  2. A switch with spanning tree conflict
  3. Another PC with manually configured IP
  4. A router with overlapping route tables