N10-009 Practice Test

N10-009 Practice Test practice questions, page 16 of 31, with answer review and explanations.

Question 76

An organization moved its DNS servers to new IP addresses. After this move, customers are no longer able to access the organization's website. Which of the following DNS entries should be updated?

  1. AAA
  2. CNAME
  3. MX
  4. NS

Question 77

Which of the following are environmental factors that should be considered when installing equipment in a building? (Choose two.)

  1. Fire suppression system
  2. UPS location
  3. Humidity control
  4. Power load
  5. Floor construction type
  6. Proximity to nearest MDF

Question 78

A customer lost the connection to the telephone system. The administration console is configured with multiple network interfaces and is connected to multiple switches. The network administrator troubleshoots and verifies the following: The support team is able to connect remotely to the administration console. Rebooting the switch shows solid link and activity lights even on unused ports. Rebooting the telephone system does not bring the system back online. The console is able to connect directly to individual modules successfully. Which of the following is the most likely reason the customer lost the connection?

  1. A switch failed.
  2. The console software needs to be reinstalled.
  3. The cables to the modules need to be replaced.
  4. A module failed.

Question 79

A systems administrator is configuring a new device to be added to the network. The administrator is planning to perform device hardening prior to connecting the device. Which of the following should the administrator do first?

  1. Update the network ACLs.
  2. Place the device in a screened subnet.
  3. Enable content filtering.
  4. Change the default admin passwords.

Question 80

A network administrator needs to connect two network closets that are 492ft (150m) away from each other. Which of the following cable types should the administrator install between the closets?

  1. Single-mode fiber
  2. Coaxial
  3. DAC
  4. STP