Long Ethernet like source,destination,preamble likha tha in ka bit size likhana tha Lan technology ku use kar ka a school ma Kon sa system hona chaia central hub banana ka Lia Or point to point connectivity define Karni thi Short 1 Kon sa system automatically recover kar lata ha khud ku 2 Frame types likhini thi kisi ki MCQS Why we use Manchester code in Ethernet Osi has how many layers Unique address given by manufacture Thin Ethernet use which connector VC ki kitni bits Hoti ha Admin send 5 packets and receives all 5 back What happen Is host reachable. Is server down. Is ip incorrect Specific character correctly send karna ka Lia kia hona chaia Bas itna hi yad ha. Baqi Allah Malik.