Question Detail OSI reference model has how many layers 457 3 Answer: Option C Similar Questions : 1. Segments are made on which layer Session LayerTransport LayerApplication LayerNetwork Layer Answer: Option B 2. OSI reference model has how many layers 457 3 Answer: Option C 3. A dedicated switch port is required for each Full duplex nodeHalf duplex nodeBoth of aboveNone of above Answer: Option A 4. LAN traffic congestion generally caused by Low bandwidth, Too many hosts in a broadcast domain, Multicasting, Broadcast StormsHigh BandwidthNone of above Answer: Option A 5. Which layer deals with Flow control Session LayerNetwork LayerTransport LayerApplication Layer Answer: Option CExplanation:Data integrity is ensured at the Transport layer by maintaining flow control and by allowing users to request reliable data transport between systems. Read more from - Internetworking Question Answers