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- 2. Describe the four IP abstraction layers that make up TCP. ii) Describe a hypothetical situation in which two computer machines are sharing a video file via an unprotected ftp connection with a vulnerable TCP three-way handshake.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.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.
- 3.3 Contrast TCP and UDP. As a software architect, provide two applications where you would choose to use TCP instead of UDP.State two advantages of dividing a communication system into layers such as e.g. is done in the TCP / IP stack with 5 layers from the application layer down to the physical layer. Also indicate if there is any possible disadvantage to stocking one communication system?3 A) Give a one sentence description of the primary purpose of the Transport layer. B) Give a one sentence description of the primary purpose of the Application layer. C) A TCP sender process has sent four (4) segments and received acknowledgements for the first two (2). The third segment times out. What steps does the TCP process take after this occurrence?
- 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.Assignment 5: Both TCP and UDP are widely used IP transfer layer protocols. For applications requiring reliable transfers, TCP is generally preferred, while applications that value throughput more than reliability are best served using UDP. Most TCP/IP stacks provide both protocols, so the application can use whichever transfer protocol is more appropriate, even changing from one to the other as desired. Rather than rely solely on TCP, the network system developer might want to investigate the trade-offs related to use of UDP. Based upon the analysis list out why Some TCP/IP Applications Use UDP?ii) Describe the four IP abstraction levels in TCP. ii) Explain a fictitious scenario in which two computers share a video file via an open FTP connection with a weak TCP three-way handshake.
- One helpful exercise is to weigh the merits of connection-based versus connectionless protocols against one another.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.QUESTION 54 Network layer provides two basic functionalities (_______), and(_______) QUESTION 55 Network layer consists of two planes:(_________) , and(_______). QUESTION 56 What is AIMD in TCP stands for? What is the main purpose of it? QUESTION 57 Link layer uses IP for source and destination addresses True False QUESTION 58 SHA-1 is a Cryptographic hash function True False QUESTION 59 CRC is a cryptographic hash function True False