9 Questions
What is the purpose of ad hoc mode in WLAN operation?
To connect clients in a peer-to-peer manner without an AP.
What is the difference between Basic Service Set (BSS) and Extended Service Set (ESS) in infrastructure mode?
BSS uses single AP to interconnect associated wireless clients, while ESS is a union of two or more BSSs interconnected by a wired distribution system.
How does the 802.11 frame format differ from the Ethernet frame format?
It contains more fields.
What is the method used by WLANs to avoid collisions during data transmission?
Carrier sense multiple access with collision avoidance (CSMA/CA).
What are the three stages that wireless devices complete to communicate over the network?
Discover a wireless AP, Authenticate with the AP, Associate with the AP.
What is the difference between autonomous APs and controller-based APs?
Autonomous APs act independently and are managed manually, while controller-based APs are automatically configured and managed by a WLC.
What is the function of directional antennas in wireless networks?
Directional antennas focus the radio signal in a specific direction, providing targeted coverage.
Explain the role of Multiple Input Multiple Output (MIMO) in wireless networks.
MIMO uses multiple antennas to increase bandwidth, with the potential to use up to eight antennas.
What are some of the key topics covered in the video 'WLAN Operation'?
Infrastructure Mode, Ad hoc Mode, Tethering, Basic Service Set (BSS), Extended Service Set (ESS), 802.11 Frame Structure, Carrier Sense Multiple Access Collision Avoidance (CSMA/CA), Wireless Client AP Association, Passive and Active Delivery Mode.
Learn about the two main types of wireless access points - autonomous APs and controller-based APs. Explore how they differ in terms of configuration and management, and their communication protocols.
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