N10-009 Practice Test

N10-009 Practice Test practice questions, page 14 of 31, with answer review and explanations.

Question 66

A network administrator is configuring access points for installation in a dense environment where coverage is often overlapping. Which of the following channel widths should the administrator choose to help minimize interference in the 2.4GHz spectrum?

  1. 11MHz
  2. 20MHz
  3. 40MHz
  4. 80MHz
  5. 160MHz

Question 67

A network manager wants to view network traffic for devices connected to a switch. A network engineer connects an appliance to a free port on the switch and needs to configure the switch port connected to the appliance. Which of the following is the best option for the engineer to enable?

  1. Trunking
  2. Port mirroring
  3. Full duplex
  4. SNMP

Question 68

A network administrator is in the process of installing 35 PoE security cameras. After the administrator installed and tested the new cables, the administrator installed the cameras. However, a small number of the cameras do not work. Which of the following is the most likely reason?

  1. Incorrect wiring standard
  2. Power budget exceeded
  3. Signal attenuation
  4. Wrong voltage

Question 69

A network administrator is troubleshooting an application issue after a firewall change. The administrator has confirmed that the port and protocol are accessible to the user, but the application is still having issues. Which of the following tools allows the administrator to look at traffic on the application layer of the OSI model?

  1. ifconfig
  2. tcpdump
  3. nslookup
  4. traceroute

Question 70

Which of the following ports should a network administrator enable for encrypted log-in to a network switch?

  1. 22
  2. 23
  3. 80
  4. 123