Q) What are the devices operate at which layer?
A: Network Layer-------------------- Router
Data Link Layer-------------------- Switch, Wireless Access Point, Cable Modem, DSL Modem
Physical Layer----------------------- Hub, Repeater, Transmission media.
Q) Flow Control Techniques?
A: 1) Buffering
2) Windowing
3) Congestion Avoidance
Q) What is the difference between TCP & UDP?
Q) Protocol Numbers of different ports??
Q) Functions of different Layers?
Q) What are the PDU's( Protocol Data Unit) of different layers?
A: 1) Transport Layer -----> Segment
2) Network Layer -----> Packet
3) Data Link Layer------> Frame
4) Physical Layer----------> Bits
Q) Applications using TCP?
A: 1)FTP------ 20,21
2) Telnet-----23
3) SMTP-----25
A: Network Layer-------------------- Router
Data Link Layer-------------------- Switch, Wireless Access Point, Cable Modem, DSL Modem
Physical Layer----------------------- Hub, Repeater, Transmission media.
Q) Flow Control Techniques?
A: 1) Buffering
2) Windowing
3) Congestion Avoidance
Q) What is the difference between TCP & UDP?
Q) Protocol Numbers of different ports??
Q) Functions of different Layers?
Q) What are the PDU's( Protocol Data Unit) of different layers?
A: 1) Transport Layer -----> Segment
2) Network Layer -----> Packet
3) Data Link Layer------> Frame
4) Physical Layer----------> Bits
Q) Applications using TCP?
A: 1)FTP------ 20,21
2) Telnet-----23
3) SMTP-----25
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