Which access mode of CSMA immediately sends data if the channel is idle?1-PersistentNon-PersistentP-PersistentO-Persistent

Explain p-persistent CSMA protocol in detail.

When a client requests a session over a command channel, the server establishes a dataconnection with the client and starts sending data is called ____________________________.1 pointActive mode FTPPassive mode FTP

6.3-2. Pure Aloha and CSMA. Which of the following statements is true about both Pure Aloha, and CSMA (both with and without collision detection?Group of answer choicesThere can be simultaneous transmissions resulting in collisions.Pure Aloha and CSMA can achieve 100% utilization, in the case that there is only one node that always has frames to sendThere can be times when the channel is idle, when a node has a frame to send, but is prevented from doing so by the medium access protocol.Pure Aloha and CSMA can achieve 100% channel utilization, in the case that all nodes always have frames to send.

In _____________________________ the command channel is used by the server to transfer the information needed by the client tostart a data channel.1 pointActive Mode FTPPassive Mode FTP

What mechanism is crucial for maintaining session state in stateless mobile network protocols?Client-side cachingPersistent database connectionsServer-side session managementDirect memory access (DMA)