Data Communication and Network Comps Assignment 1 Khoa Le - s3103004 Question 1. a) Why is the transport layer not present inside the core network? Marks 3 ● Core Network is the internetworking of routers. ● Transport layer deals with communication between applications. ● The transport layer is not present because it provides additional functions to the core network to compensate for the limitation of the core network layer. ○ In the case of TCP/IP protocol‚ the Transport Layer provide more complex
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on hosts at the network level. In this case‚ a thug generates a huge amount of ICMP ping requests (datagram) with fake source addresses and sends them to the IP broadcast address of a network‚ that is‚ remote LANs broadcast addresses. Then the routers/switch (layer 3) broadcasts these requests to layer 2 broadcast addresses. Most of the hosts connected to the network will then send reply for each of the echo. Thus‚ the network is overwhelmed by fake echo multiplied by the number of connected hosts
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available for allocation from the IANA (Internet Assigned Numbers Authority) to the five RIRs (Regional Internet Registries)‚ many companies have still kept their IPv4 network infrastructure‚ deciding not to make the switch yet. So the question is‚ when does it make sense for a company to switch their network infrastructure from IPv4-only to IPv6 compatible‚ and what is the best way to execute this? Based upon in-depth research of this question using varied sources and case studies‚ a recommendation of
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Computer Networking: A Top-Down Approach Featuring the Internet‚ 4th Edition Solutions to Review Questions and Problems Version Date: June 21‚ 2007 This document contains the solutions to review questions and problems for the 4th edition of Computer Networking: A Top-Down Approach Featuring the Internet by Jim Kurose and Keith Ross. These solutions are being made available to instructors ONLY. Please do NOT copy or distribute this document to others (even other instructors). Please do not post
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GA‚ Pontiac MI‚ and Hangzhou‚ China. The investigation and detail required to demonstrate transition of WAN from Legacy to current design shows sources for which any problems may exist. Contributing information about the WAN includes the VoIP data router‚ satellite between headquarters and China‚ and T-1 connections between headquarters to both Georgia and Michigan. Many new technologies are available to help propel a business forward including Riordan. Many consider VoIP to be a new technology
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STEP-BY-STEP GUIDE ON HOW TO BROWSE THE INTERNET FREE WITH ANY DECODER SATELLITE INTERNET CONNECTION WITH A DECODER This step by step Manual will give you detailed guideline on how to connect to the internet with your decoders‚ either HITV‚DSTV‚MYTV etc. you must take note that all relevant equipments for this setup must be available before doing the configuration. Introduction Communication between computers is a major part of the PC computing Industry. Thanks to the World Wide Web (www)‚ no computer
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Protocol (SNMP) Protocol (SNMP) •An Internet‐standard protocol for managing devices on IP networks. •Many kinds of devices support SNMP‚ eg routers‚ switches‚ servers‚ workstations‚ printers‚ modem racks‚ UPS etc •SNMP helps to monitor simple and standardized items‚ eg g •Amount of traffic flowing into or out of an interface • Air temperature inside a router. Etc •Devices on the network‚ contain information about themselves. themselves •Devices keep information about the Status & Devices keep information about the Status &
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required on a Cisco router‚ but not typically required on a Cisco switch? a. Connect Ethernet cables b. Connect serial cables c. Connect to the console port d. Connect the power cable e. Turn the on/off switch to “on” In what modes can you execute the show mac-address-table command? a. User mode b. Enable mode c. Global configuration mode d. Setup mode e. Interface configuration mode Which of the following is a difference between Telnet and SSH as supported by a Cisco switch? a. SSH encrypts
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The guide includes a discussion of buyer types‚ product requirements‚ cost considerations and vendor relationship needs for several areas of networking technology‚ including: • Physical layer (including cables‚ switches‚ and wireless networks) • Routers (wired and wireless) • Internet Service Providers‚ and other important service providers • Shared storage and peripheral hardware • Server hardware and operating systems • Backup‚ network management‚ and client security For a detailed explanation
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It is proposed that a public router be installed to handle all the inbound traffics for contractors‚ customers‚ suppliers‚ and the traffic from AS ’s sister sites in Chula Vista and Santa Ana‚ California. Once the inbound traffic has made it past the AS Headquarter router‚ two main gateway Firewalls will filter all inbound for authentication. The firewalls will provide the needed security and business
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