Practice Free CWNA-109 Exam Online Questions
802.11 technology is typically deployed at which fundamental layer of network architecture?
- A . Core
- B . Distribution
- C . Access
- D . Network
The radius of the second Fresnel zone is ___________. (Choose all that apply.)
- A . The area where the signal is out of phase with the point source
- B . The area where the signal is in phase with the point source
- C . Smaller than the first Fresnel zone
- D . Larger than the first Fresnel zone
Based on RSSI metrics, concentric zones of variable data rate coverage exist around an access point due to the upshifting and downshifting of client stations between data rates.
What is the correct name of this process, according to the IEEE 802.11-2012 standard?
- A . Dynamic rate shifting
- B . Dynamic rate switching
- C . Automatic rate selection
- D . Adaptive rate selection
- E . All of the above
What term best describes two access points communicating with each other wirelessly while also allowing clients to communicate through the access points?
- A . WDS
- B . DS
- C . DSS
- D . DSSS
- E . DSM
What are some results of multipath interference? (Choose all that apply.)
- A . Scattering delay
- B . Upfade
- C . Excessive retransmissions
- D . Absorption
Which of these weather conditions is a concern when deploying a long-distance point-to-point bridge link?
- A . Wind
- B . Rain
- C . Fog
- D . Changes in air temperature
- E . All of the above
Wi-Fi 4 radios using 802.11n (HT) technology can operate on which frequency bands? (Choose all that apply.)
- A . 902C928 MHz
- B . 2.4C2.4835 GHz
- C . 5.15C5.25 GHz
- D . 5.47C5.725 GHz
- E . 5.925C6.425 GHz
SSID = Corporate / BSSID = BB:BB:BB:BB:BB:BB /
VLAN = 44 / Subnet = 192.168.44.0 / RF Channel = 6 / User Type B
- A . Multiple WLAN Profiles
- B . Call Admission Control
- C . Virtual Cell with SCA
- D . Access Categories
- E . User-based authentication
- F . Dual-radio AP hardware
- G . Integrated DHCP server
What statements accurately describe the RF cables and connectors that are used in an 802.11 WLAN system? (Choose 3)
- A . RF cables have upper and lower frequency range specifications.
- B . 75 and 125 ohms are the typical impedances of 802.11 WLAN connectors.
- C . Two RF connectors of the same type (e.g. SMA), manufactured by different companies, may vary in specifications.
- D . Every RF connector causes insertion loss.
- E . Large diameter RF cables cause greater loss than small diameter cables.
What are the three logical planes of operation for network telecommunications?
- A . Management
- B . Core
- C . Control
- D . Access
- E . Data