A computer network can be defined as a set of two or more computers having interconnection to the same resources, such as exchange files, printers, cds and other similar equipment. The powerpoint diagram of 3layer process contains editable shapes and icons to provide an infographic overview. Forwarding and routing in network layer the role of the network layer is thus deceptively simple to move packets from a sending host to a receiving host. Similar cylinder shapes are also used to describe databases or data storage concepts. Multiple choice questions of computer networking 11 computer network is a. If two systems are attached to different networks with devices like routers, then nw layer is used. Network layer it is responsible for the source to destination delivery of a packet across multiple networks. Alternatively you can download our free bundle with 16 free slides. Data communication and computer network tutorialspoint. This is one of the important subject for electronics and communication engineering ece students. Layer progressive powerpoint free layer progressive. Layer 3 the network layer layer 3, the network layer of the osi model, provides an endtoend logical addressing system so that a packet of data can be routed across several layer 2 networks ethernet,token ring, frame relay, etc. Connectionoriented vs connectionless service underlying network. If the data link layer is the one that basically defines the boundaries of what is considered a network, the network layer is the one that defines how internetworks interconnected networks function.
Free powerpoint templates by 24slides download now. The outstanding part of this template is that its totally customizable, allowing users to change colors, background and style. Computer networks chapter 5 network layer 1 by abdul ghaffar. Artificial neural networks pdf free download here we are providing artificial neural networks pdf free download. When source and destination are in different networks, the network layer ip must deal with these differences. Networking basics lans, wans, and mans three main networking technologies are used to connect computers and networks together. Chapter 1 introduction to networking and the osi model. We provide you a fantastic collection of free powerpoint templates design that you can download for free and regulate for your personal presentations. Ppt network topology powerpoint presentation free to. The users can change colors, move objects, and change network format by simply moving lines and circular icons.
The presentation layer is an important layer in the osi model because it is responsible for some of the important services like data conversion, data compression, encryption, and decryption. Internet protocol from book the data communications and networking 4th edition by behrouz a. Osi model 7 layers explained pdf layers functionsthe open systems interconnection model osi model is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to their underlying internal structure and technology its goal is the interoperability of diverse communication systems with standard protocols. Internet router architecture 8 router 3layer physical, datalink, network device, with 3 key functions. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. The network layer must know the topology of the subnet and choose appropriate paths through it. Notice that the bottom layer is identified as the first layer. It selects and manages the best logical path for data transfer between nodes. It can be helpful as a sample to see how we create our powerpoint templates, graphics and diagrams. The main task of the data link layer is to transform a raw transmission facility into a line that appears free of undetected transmission errors to the network layer.
Were making these slides freely available to all faculty, students, readers. Ppt network protocols powerpoint presentation free to. This presentation covers the datalink layer of the networks lecture slides from the 3rdyear module on computer networks at the university of birmingham, uk. B2b cyber security digital digital era green security tech technology. My aim is to help students and faculty to download study materials at one place. The networks in a computer are built with a great combination of software and hardware. Forwarding when a packet arrives at a routers input link, the router must move the packet to the appropriate output link. These segments are 3d shapes of cylinders, representing platforms. Ppt the network layer powerpoint presentation, free download. Download free data driven, tables, graphs, corporate business model templates and more. In order to identify the correct process out of the various running processes, transport layer uses an addressing scheme called por number.
Data link layer of osi reference model studytonight. The network layer is the lowest one in the osi model that is concerned with actually. The main purpose of the networks is to facilitate communication through. A nice layer progressive ppt presentation template is provided for users to download freely. Ppt network topology powerpoint presentation free to download id. In order to deliver the message from one process to another, an addressing scheme is required. This layer contains hardware devices such as routers, bridges, firewalls and switches, but it actually creates a logical image of the most efficient communication route and implements it with a physical medium. Hundreds of free powerpoint templates updated weekly. Network layer layer 3 page 1 of 2 the thirdlowest layer of the osi reference model is the network layer.
Download32 is source for osi layer ppt freeware download hlbr hogwash light br, layer7 packet classifier for linux, canpie, hank, openvpn, etc. View data link layer ppts online, safely and virus free. This layer defines how data in the native format of. The network layer is considered the backbone of the osi model.
Understand principles behind network layer services. All of the above 12 what is a firewall in computer. Presentation layer of osi reference model studytonight. This book is especially prepared for jntu, jntua, jntuk, jntuh and other top university students. It accomplishes this task by having the sender break up the input data into data frames typically a few hundred or few thousand bytes and transmit the frames sequentially. Network layer manages options pertaining to host and network addressing, managing subnetworks, and internetworking. The 3layer process diagram for powerpoint is a minimalist presentation layout. It translates data between the formats the network requires and the format the computer.
The ipv4 version 4 is worldwide spread and it has several problems such as limited address space and has no real possibility for qos support per flow. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. The adobe flash plugin is needed to view this content. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Discovering and getting the most related and suitable powerpoint. The diagram shows three semitransparent segments, one inside another. Computer networks pdf ppt slides download free lecture. Thus dll overseas the delivery of the packet between. The system requirements for powerpoint templates are. Data link protocols powerpoint presentation, computer. Network layer responsibility direct communication model. We use your linkedin profile and activity data to personalize ads and to show you more relevant ads.
The network layer will be ip internet protocol, because there is no competition today on this level. Data and computer networks data link layer 1 to a group of data bits add a single extra bit, known as the parity bit. If you liked it then please share it or if you want to ask anything then please hit comment button. This address is technically called the media access control address mac because it is found on the mac sub layer of the data link layer. Two different subnet may have different addressing schemes or non. The network layer must know the topology of the subnet and.
Physical layer 47 data link layer 48 network layer 49 transport layer 51 session layer 53 presentation layer 54 application layer 55 summary of layer functions 56 3. Several process may be running on a system at a time. A free powerpoint ppt presentation displayed as a flash slide show on id. To do so, two important networklayer functions can be identified.
Udp, tcp, and sctp 24 congestion control and quality of service application layer. The free 4step positioning powerpoint template is a flat diagram design of chevron arrows. Design issues routing algorithms congestion control internetworking example network layer protocols. Free computer network powerpoint template is categorized under. Module 6 ccna 2 module 6 routing and routing protocols routing routing is moving data from one network to another based on the layer 3 address. Artificial neural network seminar ppt with pdf report. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Network layer takes the responsibility for routing packets from source to destination within or outside a subnet. Artificial neural network pdf report free download it was all about artificial neural network seminar and ppt with pdf report. Ppt networking basics powerpoint presentation free to. Osi model open systems interconnection osi is a set of internationally recognized, nonproprietary standards for networking and for operating system involved in.
Computer networks pdf notes free download cn notes. For example, you may want one shape that is behind another shape to move to the front. Chapter 4 the network layer computer networking a topdown approach featuring the internet. The 3 layer concept powerpoint template is a single slide layout of 3 steps diagram for underlapping entities. When you add pictures, shapes, or other objects, they can overlap. We can find the network address by replacing the hostid bytes 56. Note that network layer addresses can also be referred to as logical addresses. Presentation application session transport network data link physical layer 7 layer 6 layer 5 layer 4 layer 3 layer 2 layer. W elcome to free powerpoint templates design, one of the most usefull powerpoint templates resource website. The presentation layer is responsible for interoperability between encoding methods as different computers use different encoding methods. The network interface card address, called the hardware address, is protocolindependent and is usually assigned at the factory. Forwarding and routing in network layer electronics post. Ppt osi model powerpoint presentation free to download.