Slide 1 1 CMPT 471 Networking II ICMPv6 © Janice Regan, 2012-2018 Calculating the checksum For ICMP the ICMP header and message are considered when the checksum is calculated Break the data described above into 16 bit blocks. Consider each of the blocks as an integer. (checksum field should be 0) Calculate the ones complement […]
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Microsoft Word – quiz3sol.docx CMPT 471 QUIZ 3 SOLUTION 1. [2 points] What type of ICMPv4 message is not used in the IPv4 implementation of traceroute in the virtual lab? A. destination unreachable: port unreachable B. destination unreachable: host unreachable C. destination unreachable: network unreachable D. time to live exceeded message B and D A
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Slide 1 Networking Address Resolution IPv4 ARP RARP 1 © Janice Regan, 2012-2017 Transport Layer: Socket view © Janice Regan, 2012-2017 2 An application on one host wishes to send some data to a particular application on another host The applications use the transport layer interface (sockets) to transfer the data. Each application has a
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Microsoft Word – 471quiz4sol.docx QUIZ 4 CMPT 471 SOLUTION 1. [3 points] What is the difference between a capture filter and a display filter when you are using wireshark? Your answer should be no more 3 sentences long. A capture filter is applied to incoming packets before saving packets to a file. (1 point) If
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Slide 1 1 Networking DNS © Janice Regan, 2006-2017 © Janice Regan, 2006-2017 2 Host names In addition to identifying a host by the IP address of a connected interface we also identify the interface by an hostname Hostnames are easier for a human to use and remember that the IP address In the early
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CIS 390 Comp 390 Final Highlights University of the Fraser Valley Page 1 Comp 390 – Data Communications Final Highlights (updated on Dec. 6th) TextBook: Computer Networks, by Andrew Tanenbaum and David Wetherall, 6th Ed. This review highlights topics that have been covered. The list is not meant to be an exhaustive summary of all
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Lecture 5 DCF255 Page | 12 Internet Layer The Internet layer accepts all input from the Transport layer as data. To the data, it adds a header which includes the IP address of the source and destination computer. The Internet layer is responsible for routing of the datagram from source to destination, deciding the best
10.Link_Layer Link Layer COMP 3331/9331: Computer Networks and Applications Week 9 Data link Layer Reading Guide: Chapter 6, Sections 6.2 – 6.4, 6.7 Complete your myExperience and shape the future of education at UNSW. Click the link in Moodle or login to myExperience.unsw.edu.au (use .edu.au to login) The survey is confidential, your identity will never
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DCN255 Wk 1-5 Review Page 5 of 17 DCF255 Test 1 Review Week 1: Overview Terminology · A computer is a programmable machine that can perform various computations, store data, and create documents by following a set of prerecorded instructions called a program. The data generated or stored by the computer is a collection of
4.Application_Part2 Application Layer (DNS, P2P, Video Streaming and CDN) Computer Networks and Applications Week 3 COMP 3331/COMP 9331 Reading Guide: Chapter 2, Sections 2.4 -2.7 2 Application Layer: outline 2.1 principles of network applications 2.2 Web and HTTP 2.3 electronic mail • SMTP, POP3, IMAP 2.4 DNS 2.5 P2P applications 2.6 video streaming and content