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ExamRevision2019Jan_WithAnswer.pdf - Network Fundamentals...

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Network Fundamentals (ITE3102)Exam Revision 2019 January(modified from the actual examination)NF3, NF6(a)(i) Identify the names of Protocol Data Units PDU2, PDU3, and PDU4 below.(ii)Name the process that is used to place one message inside another message.(iii)State the layer names for OSI layer 1 and layer 2.(iv)Which OSI layer (number or name) is responsible for end-to-end connections and reliability?(v)Which TCP/IP layer is responsible for control of hardware devices and media?(b)Consider the network topology below.(i)How many broadcast domains (networks) are there in the topology?(ii)Complete the routing information inR1 and R3Destination networkR1 exit interfaceR3 exit interface192.16.40.0/24192.16.45.0/24192.16.46.0/24(iii)Write down the IP configuration for PC-03 (IP address, subnet mask, default gateway).(iv)Write down the default gateways for PC-04, and PC-05 respectively.:
NF4(a)Three major types of copper media used for computer networks are shown below.Identify each of them asCoaxial, UTP, or STPcable respectively.(i)(ii)(iii)(b)Consider the figure below.(i)Identify the types of cables (straight-through, crossover or rollover) that should be used forCable 1, Cable 2, Cable 3, Cable 4 and Cable 5 respectively.The annotation “N” stands for thecable connected to a network interface card and “R” stands for the cable connected to an RS232port.(ii) What is thenameof the network device labelled A that provide wireless connection to the wirednetwork infrastructure?(iii) What is theuseof a wireless NIC adapter added to the computer labelled B?(c)The Data Link Layer is divided into 2 sublayers abbreviated as LLC and MAC.(i)Write out the full name of sublayer that communicates with the network layer.(ii)Write out the full name of sublayer that defines the media access processes performed by thehardware.(iii)What is the main difference between half-duplex communication mode and full-duplexcommunication mode?(d)The following diagram shows two typical physical LAN topologies.Name the two topologies.(i)(ii)(e)The generic frame contains Header, Packet, and Trailer:Identify whether each of the following fields belongs to the Header or the Trailer: Addressing,Control, Error Detection, and Type.
NF5Refer to the Ethernet network below.The routers interface settings are:Logical AddressPhysical AddressRouterY-Fa0/1192.168.20.13333.1111.1111RouterY-Fa0/2192.168.30.13333.1111.2222RouterY-Fa0/3192.168.0.13333.1111.3333RouterZ-Fa0/1192.168.30.244FF.FF11.1111RouterZ-Fa0/2192.168.40.144FF.FF11.2222RouterZ-Fa0/3192.168.50.144FF.FF11.3333(a)Suppose that the ARP cache of PC4 is empty.Write down the contents of the cache after PC4 has sentpackets to PC1 and PC2 using the following format:Internet AddressPhysical Address(b)PC1 is sending a request to Server through the routers.(i)What are the addresses labelled A1, A2, P1, and P2 in the diagram below that shows the EthernetframereachingRouterY?Destination

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