IT114 NETWORK+ Course Objectives Upon successful completion of this course, the student will be able to: 1. Identify the devices and elements of computer networks; 2. Diagram network models using the appropriate OSI model layers and TCP/IP stack; 3. Describe the devices, terminology, and standards specifications for network components including media connections between devices that enable connectivity and routing; 4. Illustrate how Ethernet standards (while demonstrating knowledge of distance, cabling, and capacity specifications) enable the core exchange of information between two devices. Demonstrate the use of QoS techniques to ensure high availability and optimize network performance; 5. Explain how IP addresses are represented in binary format and how these logical addresses enable the creation of routes between devices and broadcast domains; 6. Examine wireless technology concepts, design, security and standards. Differentiate different WAN types, data classifications, and technologies used to connect networks over wide geographical areas; 7. Review the content and skills to pass the Network+ Certification Exam. Learning Unit 1 Objectives: 1, 2 Course Introduction and Overview Chapter 1: Introducing Computer Networks Chapter 2: Dissecting the OSI Model 5 Chapter 1: Introducing Computer Networks (pp. 2-24) Chapter 2: Dissecting the OSI Model (pp. 28-53) Overview of Networking o Devices and components o Network classifications Modeling Network Connections Seven Layers of the OSI Reference Model Four Layers of the TCP/IP Stack How Ports Are Used in Data Transport What elements are required for a network to exist for three or more devices? What affects the relative scalability of hub, bus, and ring topologies? What are the main differences between the OSI reference model and the TCP/IP stack model? What are the main differences between TCP and UDP? What are the main advantages and disadvantages of full-mesh topologies and partial-mesh topologies? What are the main differences between a client-server network and a peer-to-peer network? Why is the OSI model useful when 6 Homework/Assignments: Essay: What is the purpose of a network? Short Answer: What are some examples of network components? Essay: How are networks defined by geography, topology, and resource location? Short Answer: What is the purpose of a network model? Essay: What are the layers of the OSI model? What are the characteristics of each layer of the OSI model? Essay: How does the TCP/IP stack compare to the OSI model? Short Answer: What are the wellknown TCP and/or UDP port numbers for a given collection of common applications? Complete chapter review questions.
it does not model network communication exactly? Briefly describe the different methods for synchronizing communication between two devices. 5-6 Lab Activities: 1.1 Compare the layers of the OSI and TCP/IP Models 1.2 Classify how applications, devices, and protocols relate to the OSI model layers 1.5 Identify common TCP and UDP default ports 1.6 Explain the function of common networking protocols 2.6 Given a set of requirements, plan and implement a basic SOHO network Configuring a Connection to a Network Printer Mapping a Network Drive to the Desktop 3.5 Describe different network topologies 4.2 Explain the purpose and function of various network appliances Hardware Tools and Functions 5.3 Explain methods of user authentication Creating Network Users on a Domain Controller 5.4 Explain common threats, vulnerabilities, and mitigation techniques Secure Protocols vs. Unsecure Protocols 2 Project Research/Preparation: Lesson 1: Topic and approval 1 Exam Unit 1 Lesson 1: Topic and approval Learning Unit 2 Objectives: 3 Review Homework and Unit 1 Exam Chapter 3: Identifying Network Components 4.5 Chapter 3: Identifying Network Components (pp. 58-101) Overview of Cables and Media Types Network Infrastructure Components Specialized Network Devices
Virtual Networking Components VoIP Networks Rank the cabling that should be used from least to most expensive. How are physical signals sent over copper wire? How are physical signals sent over fiber-optic cable? Briefly define a hub, a switch, and a router. What is the primary difference between routers and switches? What are the steps in a DHCP connection? 5-6 Lab Activities: 1.9 Identify virtual network components 3.1 Categorize standard media types and associated properties (Ch. 3 labs only) 3.2 Categorize standard connector types based on network media (Ch. 3 labs only) 3.3 Compare and contrast different wireless standards (Ch. 3 labs only) 3.8 Identify components of wiring distribution Network Infrastructure Component Placement 4.1 Explain the purpose and function of various network appliances 4-5 Homework/Assignments: Top Ten: What are the characteristics of various media types? Compare and Contrast: Identify the different functions of network infrastructure components: hubs, bridges, switches, and routers. Essay: What features are provided by the different specified specialized network devices? Essay: How are virtualization technologies for servers, switches, and desktops impacting traditional corporate data center designs? Top Ten: What are some of the primary protocols and hardware components found in a Voice over IP (VoIP) network? Complete chapter review questions. 2 Project Research/Preparation: Lesson 2: Outline and sources 1 Exam Unit 2 Lesson 2: Outline of main topics and three to five core references/sources identified Learning Unit 3 Objectives: 4 Review Homework and Unit 2 Exam
Chapter 4: Understanding Ethernet 3 Chapter 4: Understanding Ethernet (pp. 106-132) Overview of Ethernet o CSMA/CD features Ethernet Standards for Media Type, Bandwidth, and Distance Limitation Features of Ethernet Switches o VLANs, trunking, STP, link aggregation, PoE, port monitoring, user authentication, and first-hop redundancy What is the benefit of VLAN construction? How does Power over Ethernet function and why is it used? How are Ethernet switches more efficient than the use of bus topology segments? What is a broadcast storm and why is it detrimental? 4-5 Lab Activities: 2.1 Given a scenario, install, and configure routers and switches (ch. 4 labs only) 3.1 Categorize standard media types and associated properties Matching Cable to Wire Length 3.2 Categorize standard connector types based on network media Verify a Data Link Connection from a Computer to a Network 3.7 Compare and contrast different LAN technologies 4-5 Homework/Assignments: Top Ten: What are the characteristics of Ethernet networks, in terms of media access, collisions domains, broadcast domains, and distance/speed limitations of various Ethernet standards? Compare and Contrast: Characteristics of 10BASE-T, 1000BASE-TX, and 10GBASE-SW. Essay: What functions are performed by Ethernet switch features, such as VLANs, trunks, Spanning Tree Protocol, link aggregation, Power over Ethernet, port monitoring, user authentication, and first-hop redundancy? Complete chapter review questions. 4-6 Project Research/Preparation: Lesson 3: Rough draft 1 Exam Unit 3 Lesson 3: Rough draft
Learning Unit 4 Objectives: 5 Review Homework and Unit 3 Exam Chapter 5: Working with IP Addresses Overview of IP Addresses Binary Numbering Practices and Conversion IPv4 Addressing o Types of addresses o Assigning addresses o Subnetting IPv6 Briefly explain unicast, multicast, and broadcast messaging (in IPv4). What are the main differences between IPv4 addressing and IPv6 addressing? Convert the decimal numbers 192, 217, and 133 to binary. What are the hexadecimal representations of these values? What are the dotted decimal notation values for a /8 network and a /20 network? What is the prefix notation for a dotted decimal 255.255.192.0 network? 5-6 Lab Activities: 1.3 Explain the purpose and properties of IP addressing 1.7 Summarize DNS Concepts and components (Ch. 5 labs only) 2.3 Explain the purpose and properties of DHCP 2.6 Given a set of requirements, plan and implement a basic SOHO network Configuring a Network Adapter with an IPv6 Address Configuring a Client Network Adapter with an IPv4 Address 4.5 Chapter 5: Working with IP Addresses (pp. 138-182) 4-5 Homework/Assignments: Essay: How are decimal numbers represented in binary format? Compare and Contrast: What is the format of an IP version 4 (IPv4) address, and what are the distinctions between unicast, broadcast, and multicast addresses? Essay: Which options are available for assigning IP addresses to networked devices? Essay: Given a subnet design requirement (for example, a number of required subnets and a number of required hosts per subnet), how do you determine the appropriate subnet mask for a network? Top Ten: What are the primary characteristics of IPv6? Essay: Why is IPv6 needed? What are the benefits over IPv4? Complete chapter review questions. 4-6 Project Research/Preparation: Lesson 4: Peer review
1 Exam Unit 4 Lesson 4: Peer review Learning Unit 5 Objectives: 5, 6 Review Homework and Unit 4 Exam Chapter 6: Routing Traffic Chapter 7: Introducing Wide-Area Networks 3 Chapter 6: Routing Traffic (pp. 188-215) Chapter 7: Introducing Wide-Area Networks (pp. 220-250) Overview of Routing Traffic Static and Dynamic Routing Information Routing Protocols o RIP, OSPF, IS-IS, EIGRP, and BGP Address Translation Using NAT Multicast Routing Using IGMP and PIM Overview of WAN Types Data Rates for Different Technologies WAN Media o Physical o Wireless Technologies o DSL o SONET o POTS o ISDN o Frame Relay o ATM o MPLS What are the three primary ways in which routing information can be determined by a router? Why is it important for a router to have a metric for determining an optimal route? What is the distinction between IGP and EGP? Define the following routing protocols: RIP, OSPF, and BGP. 6-7 Homework/Assignments: Essay: How are source and destination IP addresses used to route traffic through a network? Top Ten: What are sources for routing information used to populate a router s routing table? Compare and Contrast: How do routed protocols differ from routing protocols? Essay: When multiple routing protocols know how to reach a destination network, which route is chosen? When a single routing protocol knows of multiple routes to
What is gained by using either split horizon or poison reverse when establishing routes? Briefly compare packet-switched networks to circuit-switched networks. Briefly explain the most relevant features of a T1, T3, and E1 line. Why are wireless technologies more expensive to implement for WAN technology than physical connections? Briefly define the three most common types of Digital Subscriber Line (DSL): asymmetric, symmetric, and VDSL. 5-6 Lab Activities: 1.4 Explain the purpose and properties of routing and switching 2.1 Given a scenario, install, and configure routers and switches (ch. 6 labs only) 2.6 Given a set of requirements, plan and implement a basic SOHO network Configuring Port Forwarding to Local Services on a Small Office/Home Office Router 3.8 Identify components of wiring distribution Components of Wiring Distribution Systems 5.2 Explain the methods of network access security Remote Access Terminology reach a destination network, how is the preferred path (or paths) chosen? Compare and Contrast: What are the primary differences between distancevector and link-state routing protocols? Concept Map: What are the characteristics of the following routing protocols: RIP, OSPF, IS-IS, EIGRP, and BGP? Compare and Contrast: How does NAT perform IP address translation, and how do the PAT, SNAT, and DNAT approaches to NAT differ? Essay: What protocols are used to route multicast traffic? Essay: Which types of media (or wireless technologies) might be used in WAN connections? Compare and Contrast: What are the characteristics of the following WAN technologies: dedicated leased line, digital subscriber line (DSL), cable modem, Synchronous Optical Network (SONET), satellite, Plain Old Telephone Service (POTS), Integrated Services Digital Network (ISDN), Frame Relay, Asynchronous Transfer Mode (ATM), and Multiprotocol Label Switching (MPLS)? Complete chapter review questions. 6-8 Project Research/Preparation: Lesson 5: Final 1 Exam Unit 5
Lesson 5: Final Learning Unit 6 Objectives: 6, 7 Review Homework and Unit 5 Exam Chapter 8: Connecting Wirelessly Chapter 9: Optimizing Network Performance Overview of Wireless LAN Technologies WLAN Design and Deployment o WLAN standards Security Standards o WEP o WPA o WPA2 Overview Measuring and Improving Network Performance High Availability o Redundancy QoS Technologies o Steps and components o Congestion o Policing o Traffic shaping 3 Chapter 8: Connecting Wirelessly (pp. 256-278) Chapter 9: Optimizing Network Performance (pp. 284-309) What is the difference between omnidirectional antennae and unidirectional antennae? When is each used? Briefly compare the following standards: 802.11a, 802.11b, and 802.11g. Briefly define the WLAN types IBSS, BSS, and ESS. Why is security so important to wireless networks? Give two examples of defense measures that should be taken to enhance wireless security. What is meant by five nines of availability? How is this different from reliability? What are the benefits and drawbacks of having no single point of failure in a network? 5-7 Homework/Assignments: Essay: How do various wireless LAN (WLAN) technologies function, and what wireless standards are in common use? Essay: What are some of the most important WLAN design considerations? Top Ten: What WLAN security risks exist, and how can those risks be mitigated? Essay: Why is high availability a requirement in today s network designs, and what mechanisms can help provide that high availability? Top Ten: What various technologies optimize network performance? Briefly describe each. Essay: What QoS mechanisms can help optimize network performance? Concept Map: Using what you have learned in this and previous chapters, how do you design a SOHO network based on a set of requirements? Complete chapter review questions.
Briefly summarize the three basic steps of Quality of Service (QoS) configuration. What is the difference between congestion management and congestion avoidance? 4-6 Project Presentations 4-5 Lab Activities: 2.2 Given a scenario, install and configure a wireless network 2.4 SOHO Router Network User Security Manually Configuring Wireless Signals on a Small Office/Home Office Router Configuring a Wireless USB Network Adapter to Connect to a Wireless Router 3.3 Compare and contrast different wireless standards Matching Wireless Standards and Terminology 4.6 Explain different methods and rationales for network performance optimization 5.1 Given a Scenario, implement appropriate security measures Wireless Security Terminology 5.5 Given a scenario, install and configure a basic firewall Small Office/Home Office Router: Wireless MAC Access Security 2-4 Project Preparation: Lesson 6: Class presentations 1-2 Final Exam Preparation for Assessment Create a Study Guide for Final Exam Final Exam Lesson 6: Class presentations