Practice Free CWNA-109 Exam Online Questions
What type of hardware may be necessary when installing APs to be used for outdoor wireless coverage? (Choose all that apply.)
- A . NEMA enclosure
- B . Parabolic dish antennas
- C . Patch antennas
- D . Outdoor ruggedized core switch
What is the frequency of an RF signal that cycles 2.4 million times per second?
- A . 2.4 hertz
- B . 2.4 MHz
- C . 2.4 GHz
- D . 2.4 kilohertz
- E . 2.4 KHz
The basic service set identifier address can be found in which topologies? (Choose all that apply.)
- A . FHSS
- B . IBSS
- C . ESS
- D . HR-DSSS
- E . BSS
To calculate the capability Jeff should have on the network, which of the following can the NAC server use to initially identify and set his permissions? (Choose all that apply.)
- A . Posture assessment
- B . DHCP fingerprinting
- C . RADIUS attributes
- D . RADIUS CoA
Which of these capabilities are considered mandatory for a phase one 802.11ac access point as defined by the Wi-Fi Alliance’s vendor certification program called Wi-Fi CERTIFIED ac? (Choose all that apply.)
- A . 20, 40, 80, 160 MHz channel
- B . MCS 0C7
- C . MCS 0C8
- D . Two spatial streams
- E . Long guard interval
A client complains of low data rates on his computer. When you evaluate the situation, you see that the signal strength is -84 dBm and the noise floor is -96 dBm. The client is an 802.11ac client and connects to an 802.11ac AP. Both the client and AP are 2×2:2 devices.
What is the likely cause of the low data rate issue?
- A . Weak signal strength
- B . CAT5e cabling run to the AP
- C . Too few spatial streams
- D . Lack of support for 802.11n
When you are troubleshooting client connectivity problems with a client using 802.1X/EAP security, what is the first action you should take to investigate a potential layer 1 problem?
- A . Reboot the WLAN client.
- B . Verify the root CA certificate.
- C . Verify the EAP protocol.
- D . Disable and reenable the client radio network interface.
- E . Verify the server certificate.
What capabilities can be found on a WLAN controller? (Choose all that apply.)
- A . VRRP
- B . Captive portal
- C . HSRP
- D . RBAC
- E . Wireless intrusion detection system
What is an example of a frequency domain tool that could be used by an RF engineer?
- A . Oscilloscope
- B . Spectroscope
- C . Spectrum analyzer
- D . Refractivity gastroscope
What can happen when an intruder compromises the PSK or passphrase used during WPA/WPA2-Personal authentication? (Choose all that apply.)
- A . Decryption
- B . ASLEAP attack
- C . Spoofing
- D . Encryption cracking
- E . Access to network resources