NC3 [PART 1/2]

What is the diff between TCP & UDP

• TCP uses concept of acknowledgement & can recover from errors. UDP cannot.

• UDP uses concept of acknowledgement & can recover from errors. TCP cannot.

• TCP has priority bit while UDP has synchronization bit

• TCP/IP uses documents call Request For Comment (RFC) while UDP used Bit Error Rate

Which of the following NOT a TCP/IP application layer protocol?

• HTTP

• ARP

• SNMP

• IP

Function of Transport layer in OSI model

• define the physical characteristics of the transmission medium including connectors, pins, etc.

• Focus on data delivery between the 2 end points

• defines the protocols for delivering data over a particular single type of physical network

• define logical addressing and routing protocols used to learn routes

Function of Network layer in OSI model

• define the physical characteristics of the transmission medium including connectors, pins, etc.

• Focus on data delivery between the 2 end points

• defines the protocols for delivering data over a particular single type of physical network

• define logical addressing and routing protocols used to learn routes

Function of Datalink layer in OSI model

• define the physical characteristics of the transmission medium including connectors, pins, etc.

• Focus on data delivery between the 2 end points

• defines the protocols for delivering data over a particular single type of physical network

• define logical addressing and routing protocols used to learn routes

Function of Physical layer in OSI model

• define the physical characteristics of the transmission medium including connectors, pins, etc.

• Focus on data delivery between the 2 end points

• defines the protocols for delivering data over a particular single type of physical network

• define logical addressing and routing protocols used to learn routes

Which of the following protocols are examples of TCP/IP Data link layer protocols?

• HTTP, IP, Ethernet

• HDLC, PPP, Frame relay

• Frame relay, UDP, TCP

• TCP, SMTP, SRP

The process of a web server adding a TCP header to the contents of a web page, followed by adding an IP header and then adding a data link header and trailer, is an example of what?

• Application encapsulation

• Network encapsulation

• Data encapsulation

• Physical encapsulation

The process of Application layer(HTTP) asking Transport layer(TCP) to send some data and making sure that it is received correctly is an example of what?

• OSI model

• Adjacent-layer interaction

• OSI model

• All of the above

Which of the following Ethernet standards defines Gigabit Ethernet over UTP cabling?

• 1000BASE-T

• 100BASE-T

• 10GBASE-T

• None of the above