ii)Detail the four abstraction layers that make up TCP/IP. ii) Provide a scenario in which two computers share a video file via an unencrypted ftp connection using a weak TCP three-way handshake.
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ii)Detail the four abstraction layers that make up TCP/IP.
ii) Provide a scenario in which two computers share a video file via an unencrypted ftp connection using a weak TCP three-way handshake.
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- ii) Describe the four abstraction levels of TCP and IP.ii) Describe a hypothetical circumstance in which two different computer computers are collaborating to share a video file by means of an unsecured ftp connection with a potentially insecure TCP three-way handshake.The four TCP/IP abstraction layers are as follows; please describe them in detail.Both TCP and UDP are separate protocols that may be contrasted with one another. Give us an example of two circumstances in which you, as a software architect, might choose to make use of TCP rather than UDP.
- TCP / IP uses the client-server communication model, in which a user or computer (a client) receives a service (such as sending a web page) from another computer (a server) on the network. In short, the TCP / IP protocol suite is classified as stateless, which means that each client request is considered new because it has nothing to do with previous requests. Being stateless, network routes are released so that they can be used continuously. Answer the following questions briefly. How does resource reservation work in the TCP / IP model? Which TCP / IP layer is responsible to reserve resources across a network using the TCP / IP model? What protocol assigns an IP address to the client connected to the Internet? Checksum is used by various protocols on the Internet, but not at the one of TCP / IP Explain.Describe the TCP/IP abstraction stack, which consists of four tiers.Break down the four abstraction layers that make up TCP/IP.
- Provide an overview of the four abstraction layers that make up TCP/IP. ii) Speculate on a scenario where two computers are transferring a video file via an unencrypted ftp connection using a weak TCP three-way handshake.Computer Networks - Internet Architecture & Application Layer Please answer the question Someone suggested to use a local file called hosts.txt on each machine instead of DNS. Discuss the advantages (at least 2) and disadvantages (at least 2) of such suggestion. What is ‘saw-tooth’ behavior in TCP, and what is causing it?1. What is the difference between packet fragmentation (i.e., at network layer) and frame frag- mentation (i.e., at link layer) in terms of purpose? 2. Suppose that host A is connected to a router R1, R1 is connected to another router, R2, and R2 is connected to host B. Suppose that a TCP message that contains 800 bytes of data and 20 bytes of TCP header is passed to the IP function at host A for delivery to B. Show the Total length, DF, MF, and Fragment offset fields of the IP header in each packet transmitted over the three links. (Assume that link A-R1 can support a maximum frame size of 1024 bytes including a 14-byte frame header, link R1-R2 can support a maximum frame size of 512 bytes, including an 8-byte frame header, and link R2-B can support a maximum frame size of 432 bytes including a 12-byte frame header.) (*hint: the Fragment offset field is denominated by 8-bytes, not bytes) 3. What is the purpose of the path MTU discovery process (see textbook Figure 5-42) and why does…
- please answer with proper explanation and step by step solution. Question: Consider a fictional six-layer protocol hierarchy where layer 1 is the lowest layer, and layer 6 is the highest layer. Therefore, an application sends a message M by passing it to layer 6. All the even-numbered layers attach a trailer Ti (i = 2, 4, 6) to their payload, and all the odd-numbered layers attach a header Hi (i = 1, 3, 5) to their payload. Draw the headers, trailers, and original message M in the order they are sent out.Provide an example of a protocol at each of the TCP/IP model layers, for example that you have used in the above. Also give an example of overhead added in each of these protocols, e.g. a field in the protocol header. If possible, provide information on the maximum size of each packet, and the size of the header, of each of these example protocols.3. With the help of the sequence diagrams, discuss how the connection-oriented TCP sockets and connectionless UDP sockets work.