Date 11/22/2013 NETW240 Week 4 Lab Key: TCP/IP LAN Networking Task 2 Configure the networks file Step 2: Append network Clear the screen and use cat to display the contents of the /etc/networks file. Capture the Element K desktop in the text box below. Task 3 Configure the hostname and domain Step 1: Add domain hostname to computer Clear the screen and use cat to display the contents of the file in the /etc/sysconfig/network. Capture the Element K desktop in the text
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Logical and Physical Design of a Network NTC410 Why is it useful to use both a physical and a logical network design? A physical layout of the network shows the physical location of and the connections between devices participating on the network. In such diagrams‚ workstations are usually represented with small computer icons‚ servers with full tower cases‚ and switches. The Logical Design is the IP structure of your network depending on the services that will be provided to clients
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computer network Connects three office computers and one computer used for Point-of-Sale (POS) services at each of your stores. You also want six (6) computers in the lobby/store where patrons can download music and you can run “training classes” for people to learn about using MP3 players and get other basic information. The two offices have to be connected into one cohesive network‚ sharing POS services and other critical company information. You also need to provide a “hand out” casual
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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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Logical and Physical Network Design Logical and physical network designs are critical components in the successful development and implementation of today ’s networks and allow for the proper planning and structuring bettering enhancing the concept associated with networks. In order to better understand how the two concepts of a logical design and physical design work hand-in-hand‚ let ’s first look at what the concepts entail. A logical design is a concept‚ thought or theory as to how you
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TCP/IP Networking Model IT283 Professor Hennel Unit 2 assignment April 3‚ 2017 Margaret Webb Type of Service (ToS)‚ now known as Distinguished Services Code Point (DSCP) (usually set to 0‚ but may specify exact Quality of Service requirements from the network‚ the DSCP describes the way routers would queue packets although they are waiting to be progressed). Time To Live (Amount of hops /associations which the packet could be routed over‚ decremented by utmost routers - used to stop
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TCP/IP Analyze the current options available for use of TCP/IP and OSI models for businesses. The 5-layer model serves essentially the protocols regarded as Transmission Control Protocol (TCP) as well as Internet Protocol (IP)‚ or mutually‚ TCP/IP. The User Datagram Protocol (UDP) is likewise served by this particular model. The 5-layer model was produced alongside with these protocols‚ anteceding the 7-layer model‚ and is from time to time known as the TCP Model. Layer Name
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NETWORK Computer Network also called Network is a group of computers and other devices connected to each other to share resources electronically. Networks can be as small as two computers or many thousand computers that are connected to one another. These computers are usually connected to one another through wires‚ satellite‚ and modems. Each device connected to the network is called a “node”‚ and the computer that is connected to the network is called a workstation. There are several ways
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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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1.1 Introduction A simplified model of a data communication system is shown in Fig. 2.1.1. Here there are five basic components: • Source: Source is where the data is originated. Typically it is a computer‚ but it can be any other electronic equipment such as telephone handset‚ video camera‚ etc‚ which can generate data for transmission to some destination. The data to be sent is represented by x(t). COMMUNICATION MEDIUM Figure 2.1.1 Simplified model of a data communication system • Transmitter:
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