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TCP/IP model does not have ______ layer but OSI model have this layer.
D. both (a) and (b)
D. both (a) and (b)
See lessThe OSI model has ___ layers.
D. 7
D. 7
See lessOSI stands for
open system interconnection
open system interconnection
See lessWhich one of the following extends a private network across public networks?
virtual private network
virtual private network
See lessNetwork congestion occurs
in case of traffic overloading
in case of traffic overloading
See lessA list of protocols used by a system, one protocol per layer, is called
protocol stack
protocol stack
See lessA _____ is a device that forwards packets between networks by processing the routing information included in the packet.
C. router
C. router
See lessBluetooth is an example of
A. personal area network
A. personal area network
See lessPort number used by Network Time Protocol (NTP) with UDP is ________
123
123
See lessWhat is the header size of a UDP packet?
A. 8 bytes
A. 8 bytes
See less