What differences exist between VLANs in wireless and wired domains?
Response:
A. Wireless VLANs are not effective for segmenting the available services and network permissions available to clients. Wired VLANs are effective for this purpose.
B. Wireless VLANs are never carried in 802.11 frames that cross the wireless medium. VLAN identifiers are always carried in Ethernet frames to indicate the proper VLAN.
C. Wireless VLANs do not always segment traffic into separate broadcast domains on the wireless medium. Wired VLANs do segment broadcast domains on the wired network.
D. Wireless VLANs are ineffective for utilizing a single set of infrastructure equipment to provide different services to different client groups. Wired VLANs are effective for this purpose.
Using a SCA means that all APs will be using the same channel in a given layer. How is the AP with which the client associates determined?
A. All APs share a virtual IP address. A controller will tell the closest AP to the client to communicate with it, since it has a greater RSSI from the client.
B. All APs share a virtual Multicast Address. A controller will tell the closest AP to the client to communicate with it, since it has a greater RSSI from the client.
C. All APs share a virtual BSSID. A controller will tell the closest AP to the client to communicate with it, since it has a greater RSSI from the client.
D. The client selects the AP based on a known set of MAC to BSSID mappings stored in the clients authorized SSID listing.
After importing a floor plan to a predictive design tool, what should be done prior to adding APs, antennas and attenuators (e.g., walls)?
A. Set the transmit power for all APs
B. Add pictures of the environment
C. Nothing; just begin by adding APs, antenna and attenuators
D. Calibrate the floor plan to increase accuracy
You are conducting a physical site survey where heavy machinery is repaired. What is a common item required specifically for this type of survey?
A. Personal Protective Equipment (PPE)
B. Low gain antennas
C. Low power APs
D. Indoor APs
What is the best method of gathering attenuation measurements from any building materials or objects?
A. After measuring the RSSI in free space 5 meters (16.5 feet) apart, put an AP 4 meters (13 feet) away from the wall or object on one side and your measuring device 0.67 meters (2 feet) away from the wall or object on the other side. Take measurement and compare the difference.
B. Use the pre-built attenuation values in the predictive design tool.
C. After measuring the RSSI in free space 1 meter (3 feet) apart, put an AP 0.32 meters (1 feet) away from the wall or object on the other side. Take measurements and compare the difference.
D. Look on the Internet for attenuation values for each one of the materials that might attenuate the Wi-Fi signal using the material provider's websites.
When performing an indoor predictive site survey to make the WLAN planning and design cycle more efficient, what is a best practice for configuration of the simulated APs in the predictive modeling software?
A. All simulated APs should be set to 20 MHz channels only.
B. Always use the default 2.2 dBi omnidirectional antenna patterns for simulated APs.
C. If dynamic RRM will be used, AP transmit power should be set to an estimated average level of the expected client devices, such as 25 mW.
D. Defining custom AP and antenna patterns will yield more accurate prediction data than the pre-configured vendor AP/antenna combinations.
Given: A WLAN controller is connected to ABC Company's core layer 3 Ethernet switch with an IEEE 802.1Q trunk connection. The WLAN controller's native VLAN is VLAN 6 and its IP address is 10.0.14.2 /24. Lightweight APs supporting centralized forwarding are connected to the network on VLANs 7, 8, and 9, and they each build a Layer 3 tunnel back to the WLAN controller's IP address.
The dynamically assigned IP addresses received by each AP from a DHCP server will be ________________.
A. Associated with the VLAN on which they are connected.
B. Associated with the native VLAN of the WLAN controller.
C. Associated with VLAN 1, the default VLAN for new APs
D. Associated with a non-routable VLAN until the MAC address of the AP is removed from the controller's MAC filter
What kind of antenna results in a nearly circular pattern on the azimuth chart but a very flat donut shape on the elevation chart?
A. High gain omni-directional
B. 20 degree vertical yagi
C. 120 degree horizontal sector
D. 60 degree horizontal patch
What document should be created that provides instructions for install technicians to mount and configure APs?
A. Hold Harmless
B. Statement of Work
C. Bill of Materials
D. Physical installation guide
How are EAP messages transported over 802.11 wireless LANS? Response:
A. EAP-Fast
B. PEAP
C. EAPOL
D. EAP_TLS
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