- CCNA basic ( OSI model, routing protocol, switching,vlan, type of ports) - mobile package ( network Architecture for generations, function of node, interface, B.W, data rate, 2G call scenario) - microwave transmission (types of Link, XPIC, RAU function, Los) - optical transmission ( DWDM vs CWDM, PDH,SDH,OTN)

firstly introduction for myself in English secondly , they were asking about CCNA course ,Routing protocols and also mobile package about 2G ,3G and 4G ,then asking for coding languages i use and if i love coding and what are my strength points