B' C' 6 5 A' 4 2 3 B 1. If A would like to send a frame to A, which machine(s) is going to see the frame? | Select |
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- For NAT Network Address Translation Scenario: Jenny Bello is a small business owner selling and making customized computer peripherals. She has been finding it difficult to track her sales and inventories, however recently after an expert's advice, she adopted a Point of Sale (PoS) server. So, she can now track her sales and inventories at the store. However, she ran into another issue, the server can only be accessed within the store, because it has been assigned a private IPv4 address, it is not publicly accessible via the Internet. a) Why is not having the PoS server accessible over the Internet a problem for the business? b) What caused this problem? c) Propose a solution for the problem and explain how the solution works.cordings, B' C' 5 A' N AA B 1. If A would like to send a frame to A, which machine(s) is going to see the frame? 2. When A' responds, which machine(s) is going to see the frame? [Select] Select] 3. After A and A' exchange frames, how many entries would be in the switching table? | Select] 4. When every machine has sent a frame to some other machine and A wants to send a frame again to A'. Which machine(s) is going to see the frame? [Select] 5. Once the switch learns all the MAC addresses and some considerable time has passed with no traffic, will it need to broadcast after that? | Select]Please solve it correctly and please provide explanation of your answers. A PC and a Web Server are communicating over a TCP connection. The PC had started the three way handshake with the initial sequence number of 3069 . The Web Server's initial sequence number is 4830 . The window size of the PC is 815 bytes and the window size of the Web Server is 463 bytes. Using the third TCP handshake ack segment the PC sends the http request of the size 396 bytes to the Web Server. Then the Web Server answers with 3 segments containing the requested data. The first segment size is 42 bytes and the second segment size is 276 bytes and the third segment size is 146 bytes respectively. The PC receives all three segments within the timer. But unfortunately the second segment was corrupted. So the PC immediately sends an acknowledgement segment. Assume that the PC uses Selective Repeat/Reject ARQ. (d) What will be the window size of PC A after receiving only the first segment from webserver? (e)…
- Please solve it correctly and please provide explanation of your answers. A PC and a Web Server are communicating over a TCP connection. The PC had started the three way handshake with the initial sequence number of 3069 . The Web Server's initial sequence number is 4830 . The window size of the PC is 815 bytes and the window size of the Web Server is 463 bytes. Using the third TCP handshake ack segment the PC sends the http request of the size 396 bytes to the Web Server. Then the Web Server answers with 3 segments containing the requested data. The first segment size is 42 bytes and the second segment size is 276 bytes and the third segment size is 146 bytes respectively. The PC receives all three segments within the timer. But unfortunately the second segment was corrupted. So the PC immediately sends an acknowledgement segment. Assume that the PC uses Selective Repeat/Reject ARQ. (a) What will be the sequence number of the third TCP handshake signal send from PC to webserver?…QUESTION 2 If the token bucket contains 500 Bytes and the arriving packet is 400 then: O a. All statements are INCORRECT O b. Conform action & the remaining bytes in the bucket would be 200 Bytes O C. Exceed action & the remaining bytes in the bucket would be 100 Bytes Od. The packet will be dropped as there no enough tokens in the bucket4. A client sends a 128-byte request to a server located 100 km away over a 1-gigabit optical fiber. What is the efficiency of the line during the remote procedure call? We assume the speed of light in fiber optics is 200 km/msec, and treat 128 bytes as 1000 bits. What is the Final results? State proof: Solution:
- 6. Consider sending over HTTP a Web page that consists of one video clip, and five images. Suppose that the video clip is transported as 25 frames, and each image has 4 frames. a. If all the video frames are sent first without interleaving, how many "frame times" are needed until all five images are sent? b. If frames are interleaved, how many frame times are needed until all five images are sent.In the scenario shown in Figure below, A is sending a frame to A' and after receiving that frame, A' sends a frame back to A. Explain the steps that are carried out by A, A', and the switch to populate its table such that packets from A can be switched to A' and vice versa. A C' B 3 B' A' 5.Match left-column statements to right-column architectures. Always-on server. Processes may provide or receive service. Any communication has a client and server. It's HTTP. User-controlled hosts may be up or down. Self-scalable. A. Peer-to-peer. B. Not client-server or peer-to-peer. C. Client-server/peer-to-peer. D. Client-server. E. TCP/IP.
- b) Let's say a networking company uses a compression technique to encode the message before transmitting over the network. Suppose the message contains 6 unique characters of your name and their frequencies are similar to the last 6 non-zero digits of your mobile number. For example, your name is Badhon and the last 6 digits of your mobile number is 123456. So the frequency Frequency (in thousands) Characters B table of characters will be: 2 3 H. 4 Now, if the compression technique used is Huffman Coding instead of variable-length coding, how many bits will be saved in the message? Show the saving percentage. 6.Assume that there is a shared connection (for example, an Ethernet bus) with a speed of 1 Mbps. How much time (in microseconds) is required to send a frame with a length of 1000 bits over this link?Skype is a well‑known VoIP system used not only for peer‑to‑peer conversations but also for audio and video conferencing involving three or more callers. Assume a video conference with a central server on Skype has N callers, and each caller generates a constant data stream at rate r bps. How many bits per second does the call initiator need to send? How many bits does each of other N‑1 callers need to send?