Name _______________________________________________________ Date ________________ Module 1 Introduction to Networks – Semester 1 Student Version Module 1 Sections: 1.0 Introduction 1.1 Networks Affect our Lives 1.2 Network Components 1.3 Network Representations and Topologies 1.4 Common Types of Networks 1.5 Internet Connections 1.6 Reliable Networks 1.7 Network Trends 1.8 Network Security 1.9 The IT Professional 1.10 Module Practice and Quiz Required Materials: Warm-up Questions Reading Organizer PowerPoint Review Questions Packet Tracer Activities: 1.5.7 Network Representation Labs: 1.9.3 Research IT and Networking Job Opportunities Practical’s: None TestOut: Practice Questions: Labs: None None Module’s 1 - 3 Exam CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 1 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA Page intentionally left blank. CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 2 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA Name__________________________________ Date _____________ Points__________ / ___10___ Cisco Warm-up Activities Sheet Neatly write complete questions and then add the correct answer for each question during discussion. Date: ____________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ____________________________________________________________________ Date: ____________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ____________________________________________________________________ CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 3 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA Name__________________________________ Date _____________ Points__________ / ___10___ Cisco Warm-up Activities Sheet Neatly write complete questions and then add the correct answer for each question during discussion. Date: ____________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ____________________________________________________________________ Date: ____________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ____________________________________________________________________ CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 4 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA Name__________________________________ Date _____________ Points__________ / ___10___ Cisco Warm-up Activities Sheet Neatly write complete questions and then add the correct answer for each question during discussion. Date: ____________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ____________________________________________________________________ Date: ____________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ____________________________________________________________________ CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 5 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA Name__________________________________ Date _____________ Points__________ / ___10___ Cisco Warm-up Activities Sheet Neatly write complete questions and then add the correct answer for each question during discussion. Date: ____________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ____________________________________________________________________ Date: ____________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ____________________________________________________________________ CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 6 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA Points__________ / __214___ Name__________________________________________________________ Date ________________ Module 1 Reading Organizer Student Version Note: The Reading Organizer has weighted scoring. Any question with the word explain, define, or describe in it is expected to have a longer answer and is worth two points each. After completion of this chapter, you should be able to: Explain how networks affect our daily lives. Explain how host and network devices are used. Explain network representations and how they are used in network topologies. Compare the characteristics of common types of networks. Explain how LANs and WANs interconnect to the internet. Describe the four basic requirements of a reliable network. Explain how trends such as BYOD, online collaboration, video, and cloud computing are changing the way we interact. Identify some basic security threats and solution for all networks. Explain employment opportunities in the networking field. 1.1 Networks Affect our Lives 1. Advancements in networking technologies are helping to create a world in which ______________________, ______________________, and ______________________become less relevant. 2. The internet has changed the manner in which our ______________________ , ______________________ , ______________________l, and ______________________ interactions occur. 1.2 Network Components 3. What are two other names for hosts? a. b. CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 7 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA 4. Describe what the term host specifically refers to. 5. Explain what server are. 6. Explain where a peer-to-peer network might be found and how it differs from a larger network. 7. List the advantages of peer-to-peer networking: a. b. c. d. 8. The disadvantages of peer-to-peer networking: a. c. d. e. 9. An end device is either the ______________________ or ______________________ of a message transmitted over the network. 10. Explain the purpose of intermediary devices. CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 8 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA 11. Describe the functions intermediary network devices perform. a. b. c. d. e. f. 12. Modern networks primarily use three types of media to interconnect devices. List and describe each. a. ________________________________________– b. ________________________________________– c. ________________________________________– CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 9 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA 13. Explain the criteria to consider when choosing network media. a. b. c. d. 1.3 Network Representations and Topologies 14. Identify the following network symbols. a. _______________ b. _______________ c. ______________ d. _______________ e. _______________ f. ______________ g. _______________ h. _______________ i. ______________ j. _______________ k. _______________ l. _________________________ m. _________________________ n. _________________________ CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 10 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA 15. Describe the following terms. a. Network Interface Card (NIC) – b. Physical Port – c. Interface – 16. There are two types of topology diagrams. List and describe both. a. ________________________________ – b. ________________________________ – CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 11 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA Lab 1.9.3 Research IT and Networking Job Opportunities Objectives Research Job Opportunities Background / Scenario Jobs in Information Technology (IT) and computer networking continue to grow. Most employers require some form of industry standard certification, degree, or other qualifications from their potential employees, especially those with limited experience. The Cisco CCNA certification is a known and established entry-level networking certification that is respected in the industry. There are additional levels and kinds of Cisco certifications that one can attain, and each certification may enhance employment opportunities as well as salary range. In this lab, you will complete targeted job searching on the web to find what types of IT and computer networking jobs are available; what kinds of skills and certifications you will need; and the salary ranges associated with the various job titles. Required Resources Device with Internet access Instructions You will use a web browser to visit the popular job listing websites, such as monster.com and salary.com. Step 1: Open a web browser and go to a job listing website. In the URL address bar type www.monster.com and press Enter. Note: For job listings outside of the U.S., use the following link to search for your country: http://www.monster.com/geo/siteselection/ Step 2: Search for networking related jobs. a. Type the word Network Administrator in the Keyword or Title box. Click Find Jobs to continue. b. Notice the search results. Now, focus your search by adding terms to the search for Network Administrator. Try terms like Cisco CCNA, CCNP, CCNA Security, CCNA Voice, etc. c. Now try refining your search by adding different geographical locations. Did you find jobs in the locations you entered? ___________________________________________________________________________________________ d. Try searching a different website. Go to http://www.salary.com and click the Job Search menu bar button. Note: For salary listings outside of the U.S., use the following link to search for your country: http://www.payscale.com/rccountries.aspx e. Add a search term like Information Technology to the Job title or Keyword field box and click Get my salary estimate. f. Note the large number of matching search results. Select a job title that interests you. Click SHOW MY SALARY ESTIMATE RESULTS. g. Spend time searching for jobs and looking through the search results. Take note of what skills are required for different job titles and the range of starting salaries. CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 12 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA Reflection Questions Answer the following questions based on your research findings. 1. What job titles did you search for? _______________________________________________________________________________________ 2. What skills or certifications were required? _______________________________________________________________________________________ 3. Did you find any jobs that you previously did not know existed? If so, what were they? _______________________________________________________________________________________ 4. Did you find any jobs that you are interested in? If so, which ones and what skills or certifications do they require? _______________________________________________________________________________________ 1.4 Common Types of Networks 17. The internet is the largest network in existence. What does the term internet mean? 18. Describe the networks listed below. a. Small Home Networks – b. Small Office and Home Office Networks – c. Medium to Large Networks – d. World Wide Networks – CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 13 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA 19. List how network infrastructures vary. a. b. c. d. 20. List and describe the two most common types of network infrastructures? a. ________________________________ – b. ________________________________ – 21. Describe the specific characteristics of LANs. a. b. c. CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 14 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA 22. Describe the specific characteristics of WANs. a. b. c. 23. What is the internet? 24. List three of the organizations that were developed to help maintain the structure and standardization of internet protocols and processes. (The names, not the acronym.) a. b. c. 25. Describe the term Intranet. 26. Describe the term extranet. CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 15 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA 1.5 Internet Connections 27. List and describe the options available for home uses to connect to the internet. a. ________________________________ – b. ________________________________ – c. ________________________________ – d. ________________________________ – e. ________________________________ – 28. List and describe the options available for business internet connections. CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 16 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA a. ________________________________ – b. ________________________________ – c. ________________________________ – d. ________________________________ – 29. Describe a traditional separate network involving date, phone, and television. 30. Describe a converged network. CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 17 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA Packet Tracer 1.5.7 Network Representation Objectives The network model in this activity incorporates many of the technologies that you will master in your CCNA studies. It represents a simplified version of how a small to medium-sized business network might look. Feel free to explore the network on your own. When you are ready, proceed through the following steps and answer the questions. Note: It is not important that you understand everything you see and do in this activity. Feel free to explore the network on your own. If you wish to proceed more systematically, follow the steps below. Answer the questions to the best of your ability. Instructions Step 1: Identify common components of a network as represented in Packet Tracer. The icon toolbar at the bottom left hand corner has various categories of networking components. You should see categories that correspond to intermediary devices, end devices, and media. The Connections category (with the lightning bolt icon) represents the networking media supported by Packet Tracer. There is also an End Devices category and two categories specific to Packet Tracer: Custom Made Devices and Multiuser Connection. Questions: List the intermediary device categories. _____________________________________________________________________________________ Without entering into the internet cloud or intranet cloud, how many icons in the topology represent endpoint devices (only one connection leading to them)? ______________________________________________________________________________________ Without counting the two clouds, how many icons in the topology represent intermediary devices (multiple connections leading to them)? ______________________________________________________________________________________ How many end devices are not desktop computers? ______________________________________________________________________________________ How many different types of media connections are used in this network topology? ______________________________________________________________________________________ Step 2: Explain the purpose of the devices. Questions: a. In Packet Tracer, only the Server-PT device can act as a server. Desktop or Laptop PCs cannot act as a server. Based on your studies so far, explain the client-server model. CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 18 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA b. List at least two functions of intermediary devices. c. List at least two criteria for choosing a network media type. Step 3: Compare and contrast LANs and WANs. Questions: a. Explain the difference between a LAN and a WAN. Give examples of each. b. In the Packet Tracer network, how many WANs do you see? c. How many LANs do you see? d. The internet in this Packet Tracer network is overly simplified and does not represent the structure and form of the real internet. Briefly describe the internet. e. What are some of the common ways a home user connects to the internet? f. What are some common methods that businesses use to connect to the internet in your area? CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 19 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA 1.6 Reliable Networks 31. List the four basic characteristics that network architects must address to meet user expectations: a. b. c. d. 32. Describe a fault tolerant network. 33. Implementing a _____________________ network is one way that reliable networks provide redundancy. 34. A single message, such as an email or a video stream, is broken into multiple message blocks, called _________________________. 35. Explain what scalability does. 36. ____________________________ becomes a primary mechanism for managing congestion and ensuring reliable delivery of content to all users. 37. When does congestion occur? 38. How is network bandwidth measured? 39. What do devices do when the volume of traffic is greater than what can be transported across the network? CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 20 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA 40. What are the two types of network security concerns network administrators must address? a. b. 41. What two things does securing the network infrastructure include? a. b. 42. Along with securing the network infrastructure what must network administrators also protect? a. b. 43. List and describe the three primary requirements to achieve the goals of network security? a. ________________________________ – b. ________________________________ – c. ________________________________ –. 1.7 Network Trends 44. BYOD means any _________________, with any ___________________, used ________________. CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 21 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA 45. Define collaboration. 46. What three things is video used for? a. b. c. 47. What does cloud computing allow us to do? 48. Why do only large organizations use privately built data centers to house their data and provide services to users? 49. Explain how smaller organizations handle cloud computing and data storage? 50. What are three reasons why cloud providers would store data in distributed data centers instead of storing all the data of a person or an organization in one data center? a. b. c. CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 22 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA 51. List and describe in detail the four primary types of cloud. a. ________________________________ – b. ________________________________ – c. ________________________________ – d. ________________________________ – 52. Explain what smart home technology is. 53. Define powerline networking. 54. Where is powerline networking is especially useful? 55. Is Powerline networking a good substitute for dedicated cabling in data networks? CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 23 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA 56. Describe how a Wireless Internet Service Provider (WISP) operates. 57. Explain how Wireless Broadband Service works. 1.8 Network Security 58. Securing a network involves _______________________, _______________________, ____________________, _________________________, and ________________________ in order to protect data and mitigate threats. 59. List and explain the common external threats to networks. a. ________________________________ – b. ________________________________ – c. ________________________________ – d. ________________________________ – e. ________________________________ – CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 24 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA f. ________________________________ – g. ________________________________ – 60. There have been many studies that show that the most common data breaches happen because of internal users of the network. List what this can be attributed to. a. b. c. 61. No single solution can protect the network from the variety of threats that exist. Explain how and why security should be implemented. 62. List and explain the basic security components for a home or small office network. a. ________________________________ – b. ________________________________ – 62. Network security implementation for a corporate network usually consists of many components built into the network to monitor and filter traffic. List and explain the security requirements shown in the curriculum. CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 25 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA a. ________________________________ – b. ________________________________ – c. ________________________________ – 1.9 The IT Professional 63. What is the certification exam you will be taking at the end of this three semester program? CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 26 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA Points__________ / ___12___ Name__________________________________________________________ Date ________________ Module 1 – PowerPoint Review Questions Part 1 of 1 Instructions: Answer the questions while you are reviewing the PowerPoint presentation. 1. What are the two names commonly used for computers on a network? a. b. 2. What does an intermediary device do? 3. List the three types of network media. a. b. c. 4. What does this symbol represent? 5. What are the two types of topology diagrams? a. b. CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 27 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA 6. What are the two most common types of networks? a. b. 7. What is one type of home internet connection? 8. What is a converged network? 9. List one of the four basic characteristics that the underlying architectures need to address to meet user expectations. 10. What are the two main types of network security that must be addressed? a. b. 11. What is one type of network cloud? 12. List one security requirement for larger networks. CCNA R&S v7.0 - Semester 1 – Introduction to Networks Module 1 28 Emily Corcoran & Robb Jones Frederick County Career & Tech Center, MD, USA
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