Cwap Questions And Complete Answers Graded A+

2 sub-layers of the Data-link layer (L2) - Answer LLC & MAC MSDU - Answer When L3 packet is handed to L2 the LLC header is added it becomes Mac Service Data Unit Max MSDU size - Answer 2304 MPDU - Answer When MAC sublayer header is added to MSDU it becomes Mac Protocol Data Unit — commonly called an 802.11 frame 2 sub-layers of the PHY layer(L1) - Answer PLCP & PMD PLCP ( Physical Layer Convergence Procedure) - Answer prepares frame for transmission by taking it from the MAC & creating the PPDU Preamble - Answer added by the PLCP (along w/ a PHY header) & used for synchronization between Tx & Rx radios. 802.11 services are divided into 2 categories - Answer Station Service (SS) & Distribution System Service (DSS) Station Services (SS) include the following - Answer 1. Authentication 2. Deauthentication 3. Encryption 4. MSDU delivery 5.DFS 6.TPC 7. Higher level timer sync 8. Qos traffic scheduling Distribution System Service (DSS) include the following - Answer 1.Association 2. Reassociation 3. Disassociation 4. Distribution 5. Integration 6. QoS traffic scheduling Integration Service (IS) - Answer responsible for transferring