UNIVERSITY OF COMPUTER & EMERGING SCIENCE Computer Network Lab ( CS-314) Lab Session 01 Lab Instructor: Shahbaz Siddiqui‚ Shoiab Raza Week 1 Network Command TASK: Use the appropriate networking commands to solve these networking problems. 1. Find the IP address of the computer you are currently using. Command: ________________________________________________________ IP address: ________________________________________________________ 2. Find the IP address of the computer you are currently
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TYPES OF COMPUTER NETWORKS: A computer networks is a communication system connecting two or more computers that work together to exchange information & share resources. A network may consist of microcomputers or it may integrate microcomputers or other devices with large computer. Networks can be controlled by all nodes co-ordinarily & supply all resource. These networks differ in geographical size. There are three important types of networks. 1. Local Area Network 2. Metropolitan Area
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COMPUTER NETWORKS 4TH MARCH 2012 Examination Paper Answer ALL questions. Clearly cross out surplus answers. Time: 2 hours Any reference material brought into the examination room must be handed to the invigilator before the start of the examination. ANSWER ALL QUESTIONS Marks QUESTION 1 a) State FOUR (4) principles underpinning the Open Systems Interconnection (OSI) Reference Model. b) Describe the purpose of the physical layer of the OSI Reference Model. c) State THREE (3) elements
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match the cable type of the network. Most common hubs interconnect Category 3 or 5 twisted-pair cable with RJ-45 ends‚ although Coax BNC and Fiber Optic BNC hubs also exist. Ethernet Hubs An Ethernet hub is also called a multiport repeater. A repeater is a device that amplifies a signal as it passes through it‚ to counteract the effects of attenuation. Multistation Access Unit A Multistation Access Unit (MAU) is a special type of hub used for token ring networks. Switches Switches are
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COMPUTER COMMUNICATION NETWORKS Objectives • • • • • What is telecommunication History of telecommunication Role of telecommunication in Organizations Interpersonal communication applications Computer networks What is telecommunication? “Transmission of data or audible/visible information by electrical/electronic means” e.g. telephone‚ telegraph‚ radio‚ television‚ computer networks (Internet) Basic elements 1. Transmitter : takes information and converts it to a signal 2. Transmission
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A network topology that is generally in a line formation‚ which uses several devices that are all connected to a common central cable called a bus and commonly used for LAN’s. Component Description Usually 2 or more desktop of notebook computers with a network interface card. A common printer is shared by all desktops or notebook computers. The server process requests and delivers data to the client computers over the internet or network.
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Table of Contents Introduction Below is the report is a report outlining the steps that were undertaken in order to come up with a computer network design that will benefit the company‚ and help improve the security and safety of the company’s information while also improving communication among the four offices. Task 1 To improve my work I could use some images depicting each and every device. Available media…. Wired Media Cable type Types Connectors Unshielded twisted pair Category
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1 IS 450/650‚ Fall 2013‚ Computer Networks and the Internet Today: • Roster • Syllabus Overview (Syllabus on Blackboard) • Chapter 1 Announcements & Reminders: • 450-1 Homework 1 Due Tuesday 9/17 at 23:59. • 450-1 (TR) Test 1 Tuesday 10/1 • 450-1 (TR) Test 2 Thursday 11/7 • 450-1 (TR) Final Exam Thursday 12/19 8-10 a.m. • Suggestion: start homeworks early and send e-mail if you get stuck. Cell phones & laptops off. Reminder: if printing the notes‚ consider printing 4-up (4 pages
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[pic] | Our firm - Chiu & Weisserman LLP has been appointed as the new auditor of the public company Dollarama Inc. for the current fiscal year-end as at January 29‚ 2012. Please find in the following pages a report on the audit plan that was used to conduct our audit for the year ended January 29‚ 2012. Even though the audit of 2012 was performed by PWC‚ the assumption used for this project was that our firm was the new auditor for 2012. Please do not hesitate to contact us if you have any
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CNT5106C Computer Networks‚ Summer 2010 Instructor: Prof. Ahmed Helmy Homework #1 On the Internet Architecture‚ Elementary Queuing Theory and Application Layer I. Internet and layered protocol architecture: Q1. (5 points) In the layered protocol architecture the transport layer functionality includes congestion control and error recovery (e.g.‚ retransmission). One suggested that this functionality should be done strictly at the end points (i.e.‚ at the hosts) without aid from the network. Do you
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