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CS601 Assignment No 01 Solution & Discussion Due Date: 04/05/2017

Solve by Sami Zain

0340-0598569

                          Assignment No. 01
                        Semester: Spring 2017

CS601: Data Communication

Total Marks: 10

 

Due Date: 04/05/2017

 

 

Question No. 1

 

Following table contains the list of popular protocols being widely used in Data Communication. You are required to mention the corresponding OSI Layer against each protocol.

 

 

Serial No.

Protocol

OSI Model Layer

1

ICMP

Network Layer

2

FDDI

Data Link Layer

3

SMTP

Application Layer

4

UDP

Transport Layer

5

HDLC

Data Link Layer

 

 

Question No. 2

 

Following table contains characteristics / requirements related to different Network Topologies. You are required to mention the suitable network topology against each characteristic / requirement:

 

Serial No.

Characteristic / Requirement

Topology

1

All devices having direct link with each other.

Ring

2

All devices are connected with a central server.

Star

3

All devices are connected to a single cable (back bone).

Bus

4

Each device has point-to-point dedicated link with only two devices on either side.

Mesh

5

One department has all computers connected with central controller and other department has the computers connected with a single main cable.

Tree

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Best of Luck!

 

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Serial No.

Protocol

OSI Model Layer

1

ICMP

Layer 3 – Network Layer

2

FDDI

Layer 2 – Data Link Layer

3

SMTP

Layer 7 – Application Layer

4

UDP

Layer 4 – Transport Layer

5

HDLC

Layer 2 – Data Link Layer

Serial No.

Characteristic / Requirement

Topology

1

All devices having direct link with each other.

Full Mesh Topology

2

All devices are connected with a central server.

Star Topology

3

All devices are connected to a single cable (back bone).

Bus Topology

4

Each device has point-to-point dedicated link with only two devices on either side.

Point-to-Point Topology

5

One department has all computers connected with central controller and other department has the computers connected with a single main cable.

Hybrid/Tree Topology(Not sure)

Ring Topology
Ring Topology Diagram
o Each device has point-to-point dedicated link with only two devices on either side
o A signal is passed in the ring in one direction from device to device until it reaches its

  • ICMP  stands for  Internet Control Message Protocol.

  And this protocol is used on the network layer of OSI Model 

FDDI  stands for  Fiber Distributed Data Interface

UDP stands for User Datagram Protocol

HDLC  stands for High-Level Data Link Control

Q2

4

Each device has point-to-point dedicated link with only two devices on either side.

Ring Topology  is the correct answer 

   

One department has all computers connected with central controller and other department has the computers connected with a single main cable.

Correct answer is         Hybrid Topology(star + bus)

Serial No.

                                              Characteristic / Requirement

Topology

1

    All devices having direct link with each other

.

 Mesh Topology

2

All devices are connected with a central server.

Star Topology

3

All devices are connected to a single cable (back bone).

Bus Topology

4

Each device has point-to-point dedicated link with only two devices on either side.

Ring Topology

5

One department has all computers connected with central controller and other department has the computers connected with a single main cable.

Hybrid Topology

(Star+bus)

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