Tag Archives: Networking and Cybersecurity

Network+,  Lesson 6.2: Dynamic Host Configuration Protocol – TestOut

Exam Objectives Covered: 

  • 1.4 Explain common networking ports, protocols, services, and traffic types. 
  • 3.4 Given a scenario, implement IPv4 and IPv6 network services.  

Links:

Overview:

Every host interface needs an IP configuration to communicate on a TCP/IP network. An administrator can manually assign these IP addresses, or the assignment can be done automatically. By understanding the different methods available to you for assigning IP addresses, you can choose the method that best suits different networks and hosts.

Text Lessons:

  • 6.2.3 DHCP Options
  • 6.2.4 DHCP Reservations and Exclusions 

Text and Video Lessons:

  • 6.2.1 DHCP Process (1:45 minutes) 
  • 6.2.2 DHCP Server Configuration (15:49 minutes) 
  • 6.2.9 Configure Client Addressing Demo (2:22 minutes) 

Lab/Activity:

  • 6.2.5 Lab: Configure a DHCP Server 
  • 6.2.6 Lab: Configure DHCP Server Options 
  • 6.2.7 Lab: Create DHCP Exclusions 
  • 6.2.8 Lab: Create DHCP Client Reservations
  • 6.2.10 Lab: Configure Client Addressing for DHCP 

Quiz/Assessment:

  • 6.2.11 Lesson Review (10 questions) 

Topics Discussed:

  • What is a DHCP scope? 
  • What type of configuration parameters can be delivered using DHCP? 
  • What type of devices can be used as a DHCP server? 
  • What are the advantages and disadvantages of static and reserved IP address assignments? 

Assignment:

  1. Access the TestOut Courseware through the provided link.
  2. Study Lesson 6.2: Dynamic Host Configuration Protocol and complete the 6.2.5 Lab: Configure a DHCP Server,  6.2.6 Lab: Configure DHCP Server Options, 6.2.7 Lab: Create DHCP Exclusions, 6.2.8 Lab: Create DHCP Client Reservations, 6.2.10 Lab: Configure Client Addressing for DHCP, and the 10 question 6.2.11 Lesson Review Exam to complete the Section.

Assigned: April 21st, 2025
Teacher Pacing Due Date: April 23rd, 2025

Network+,  Lesson 6.1: Transport and Application Layer Protocols – TestOut

Exam Objectives Covered: 

  • 1.4 Explain common networking ports, protocols, services, and traffic types. 
  • 5.5 Given a scenario, use the appropriate tool or protocol to solve networking issues. 

Links:

Overview:

You have seen how IP provides addressing and delivery at layer 3 of the OSI model. At layer 4, the TCP/IP protocol suite also defines how different applications on separate hosts establish connections and track communications. Understanding how application protocols use ports to establish connections is critical to being able to configure and support network services. 

Text Lessons:

  • 6.1.1 Transport Layer Ports and Connections
  • 6.1.2 Transmission Control Protocol
  • 6.1.3 TCP Handshake and Teardown
  • 6.1.4 User Datagram Protocol
  • 6.1.5 netstat
  • 6.1.6 Common TCP and UDP Ports

Text and Video Lessons:

  • 6.1.5 Netstat (8:17 minutes)

Lab/Activity:

  • 6.1.7 Lab: Explore Three-way Handshake in Wireshark 
  • 6.1.8 Lab: View Open Ports with netstat 

Quiz/Assessment:

  • 6.1.9 Lesson Review (15 questions) 

Topics Discussed:

  • What is the function of a Transport layer port? 
  • What is the difference between connectionless and connection-oriented services? 
  • How does TCP differ from UDP? 
  • What tools can be used to investigate Transport layer connections?

Assignment:

  1. Access the TestOut Courseware through the provided link.
  2. Study Lesson 6.1: Transport and Application Layer Protocols and complete the 6.1.7 Lab: Explore Three-way Handshake in Wireshark , 6.1.8 Lab: View Open Ports with netstat, and the 15 question 6.1.9 Lesson Review Exam to complete the Section.

Assigned: April 17th, 2025
Teacher Pacing Due Date: April 21st, 2025

Network+, Lesson 5.4: Firewalls – TestOut

Exam Objectives Covered: 

  • 1.2 Compare and contrast networking appliances, applications, and functions.

Links:

Overview:

When a private network is connected to public ones, traffic between the private and public zones needs to be subject to rules. This filtering role is performed by a firewall. Firewalls apply access controls to ensure authorized use of the network. They perform a filtering function to analyze the properties of connection requests and then allow, deny, and/or log them as appropriate. While you may not be installing and configuring these devices at this stage in your career, it is important that you understand their use on the network edge.

Text Lessons:

  • 5.4.1 Firewall Uses and Types

Text and Video Lessons:

  • 5.4.2 Firewall Selection and Placement (7:50 minutes)

Quiz/Assessment:

  • 5.4.3 Lesson Review (5 questions)

Topics Discussed:

  • How is a packet filtering firewall different from a circuit-level gateway? 
  • Why is a packet filtering firewall a stateless device? 
  • What devices and software can implement firewall functionality? 

Assignment:

  1. Access the TestOut Courseware through the provided link.
  2. Study Lesson 5.4: Firewalls , and complete the 5 question 5.4.3 Lesson Review Exam to complete the Section.

Assigned: April 7th, 2025
Teacher Pacing Due Date: April 9th, 2025

Welcoming our Guest Speaker: Megan O’Neil, UAT National Admissions Representative

The Center for Computer Studies is pleased to welcome Ms. Megan O’Neil from the University of Advancing Technology today!

She will be speaking to our Magnet students about college and career opportunities in the fields of Design, Multimedia, Software Development and CyberSecurity. Magnet students are welcome to come see her presentation during any class period from 2nd hour to 8th hour.

If you wish to attend during 6th hour Advisory, please get signed out in advance, and travel during the normal Travel Time.

Posted: April 3rd, 2025

Network+, Lesson 5.2: Dynamic Routing Technologies – TestOut

Exam Objectives Covered: 

  • 2.1 Explain characteristics of routing technologies. 

Links:

Overview:

Complex networks need to exchange routing information rapidly to prevent outages, making static routing updates impractical in most cases. This issue is solved by implementing dynamic routing protocols. In this topic, you will compare these protocols to understand the features that make them more or less appropriate for different networks. .

Text Lessons:

  • 5.2.1 Dynamic Routing Protocols 
  • 5.2.2 Routing Information Protocol 
  • 5.2.3 Enhanced Interior Gateway Routing Protocol 
  • 5.2.4 Open Shortest Path First 
  • 5.2.5 Border Gateway Protocol 
  • 5.2.6 Route Selection 

Quiz/Assessment:

  • 5.2.7 Lesson Review (10 questions) 

Topics Discussed:

  • What is the difference between static and dynamic routing? 
  • What network link characteristics are used to determine route selection? 
  • What are the most common routing protocols? Which protocol is best for each situation? 

Assignment:

  1. Access the TestOut Courseware through the provided link.
  2. Study Lesson 5.2: Dynamic Routing Technologies, and complete the 10 question 5.2.7 Lesson Review  Exam to complete the Section.

Assigned: March 27th, 2025
Teacher Pacing Due Date: March 28th, 2025

Network+, Lesson 5.1: Routing Technologies  – TestOut

Exam Objectives Covered: 

  • 1.2 Compare and contrast networking appliances, applications, and functions.
  • 2.1 Explain characteristics of routing technologies.
  • 5.5 Given a scenario, use the appropriate tool or protocol to solve networking issues.

Links:

Overview:

Routers support internetworks of all sizes and types. It is critical for a network professional to understand the process a router applies to make forwarding decisions. In this lesson, you will examine routing tables and how they are used to select a forwarding path. You will also learn to use command line tools to report and test the routing configuration.

Text Lessons:

  • 5.1.1 Routing Tables and Path Selection
  • 5.1.2 Static and Default Routes
  • 5.1.3 Routing Table Example
  • 5.1.4 Packet Forwarding
  • 5.1.5 Fragmentation
  • 5.1.6 Router Configuration
  • 5.1.7 Routing Table Tools

Text and Video Lessons:

  • 5.1.8 tracert and traceroute (2:47 minutes)

Lab/Activity:

  • 5.1.9 Lab: Install an Enterprise Router
  • 5.1.10 Lab: Cisco Troubleshooting Tools 

Quiz/Assessment:

  • 5.1.11 Lesson Review (10 questions)

Topics Discussed:

  • What is the function of a routing table?
  • What information is contained in routing table entries?
  • What are directly connected, static, and default routes?
  • What are the uses of route, show route, tracert, and traceroute tools?

Assignment:

  1. Access the TestOut Courseware through the provided link.
  2. Study Lesson 5.1: Routing Technologies, and complete the 5.1.9 Lab: Install an Enterprise Router, 5.1.10 Lab: Cisco Troubleshooting Tools, and the 10 question 5.1.11 Lesson Review Exam to complete the Section.

Assigned: March 24th, 2025
Teacher Pacing Due Date: March 26th, 2025

Network+, 4.7 Module Quiz  – TestOut

Lesson Modules Covered: 

  • Lesson 4.1: Internet Protocol Basics  
  • Lesson 4.2: IP Version 4 Addressing 
  • Lesson 4.3: IP Version 4 Subnetting 
  • Lesson 4.4: IP Troubleshooting Tools
  • Lesson 4.5: IP Version 6
  • Lesson 4.6: IP Troubleshooting

Links:

Quiz/Assessment:

  1. Access the TestOut Courseware through the provided link.
  2. Complete the 30 question 4.7 Module Quiz  to complete the Section.
  3. The exam will be primarily multiple choice, with some exceptions. Please read and follow the instructions in each section of the exam.
  4. This will be a comprehensive Unit 4 exam, covering Lessons 4.1 through 4.6.
  5. Be advised that you will have fifty minutes to complete the quiz, and you must submit your test answers before the end of the class period.
  6. Study, be prepared, and do your best!

Assigned: March 20th, 2025
Teacher Pacing Due Date: March 21st, 2025

Network+, Lesson 4.6: IP Troubleshooting  – TestOut

Exam Objectives Covered: 

  • 5.3 Given a scenario, troubleshoot common issues with network services.

Links:

Overview:

While some support scenarios require a top-to-bottom or bottom-to-top approach, in practical terms a lot of troubleshooting activity starts with the Network layer. Connectivity tests and configuration information can  identify issues within this layer or inform your decision of whether to move up or down layers to pinpoint the cause of a problem. 

Text Lessons:

  • 4.6.1 IP Configuration Issues  

Text and Video Lessons:

  • 4.6.2 Duplicate IP and MAC Address Issues 
  • 4.6.3 IP Forwarding Issues 

Lab/Activity:

  • 4.6.4 Lab: Use ping and tracert on Windows 
  • 4.6.5 Lab: Use ping and traceroute on Linux 
  • 4.6.6 Lab: Assisted Troubleshooting 1 
  • 4.6.7 Lab: Assisted Troubleshooting 2 
  • 4.6.8 Lab: Assisted Troubleshooting 3  

Quiz/Assessment:

  • 4.6.9 Lesson Review (10 questions)  

Topics Discussed:

  • What are the symptoms of different IP misconfiguration scenarios? 
  • How can an incorrect subnet mask cause IP communication issues? 
  • What are the symptoms of an incorrect default gateway? 

Assignment:

  1. Access the TestOut Courseware through the provided link.
  2. Study Lesson 4.6: IP Troubleshooting , and complete the 4.6.4 Lab: Use ping and tracert on Windows, 4.6.5 Lab: Use ping and traceroute on Linux, 4.6.6 Lab: Assisted Troubleshooting 1, 4.6.7 Lab: Assisted Troubleshooting 2, 4.6.8 Lab: Assisted Troubleshooting 3, and the 10 question 4.6.9 Lesson Review Exam to complete the Section.

Assigned: March 17th, 2025
Teacher Pacing Due Date: March 19th, 2025

Network+, Lesson 4.5: IP Version 6  – TestOut

Exam Objectives Covered: 

  • 1.8 Summarize evolving use cases for modern network environments.  

Links:

Overview:

The previous topics focused on IP version 4 (IPv4), which is still the mainstream version of the protocol. In this topic, you will explain IP version 6 (IPv6) addressing. As a network professional, you should be aware of the limitations of IPv4 and the increasing adoption of IPv6. You need to understand the characteristics of IPv6, as well as how it can interoperate with existing IPv4 implementations. 

Text Lessons:

  • 4.5.2 IPv6 Address Format 
  • 4.5.3 IPv6 Network Prefixes 
  • 4.5.4 IPv6 Unicast Addressing 
  • 4.5.6 IPv6 Multicast and Anycast Addressing 
  • 4.5.7 IPv4 and IPv6 Transition Mechanisms 
  • 4.5.8 Common IPv6 Address Prefixes 

Text and Video Lessons:

  • 4.5.1 IPv4 vs IPv6 (2:51 minutes) 
  • 4.5.5 IPv6 Link Local Addressing (9:31 minutes)  

Lab/Activity:

  • 4.5.9 Lab: Configure an IPv6 Address   

Quiz/Assessment:

  • 4.5.10 Lesson Review (15 questions)   

Topics Discussed:

  • Why is IPv6 needed? 
  • What is the format of an IPv6 address? 
  • How can an IPv6 address be simplified? 
  • What are the two parts of an IPv6 address? 
  • What allows IPv6 hosts to communicate over an IPv4 network 

Assignment:

  1. Access the TestOut Courseware through the provided link.
  2. Study Lesson 4.5: IP Version 6, and complete the 4.5.9 Lab: Configure an IPv6 Address , and the 15 question 4.5.10 Lesson Review Exam to complete the Section.

Assigned: March 5th, 2025
Teacher Pacing Due Date: March 7th, 2025

Network+, Lesson 4.4: IP Troubleshooting Tools – TestOut

Exam Objectives Covered: 

  • 5.5 Given a scenario, use the appropriate tool or protocol to solve networking issues. 

Links:

Overview:

TCP/IP command-line utilities enable you to gather information about how your systems are configured and how they communicate over an IP network. When used for troubleshooting, these utilities can provide information about communication issues and their causes. 

Text Lessons:

  • 4.4.3 arp 
  • 4.4.4 ping

Text and Video Lessons:

  • 4.4.1 ipconfig (6:41 minutes) 
  • 4.4.2 ifconfig and ip (5:33 minutes) 

Lab/Activity:

  • 4.4.5 Lab: IPv4 Troubleshooting Tools 
  • 4.4.6 Lab: IPv4 Troubleshooting tools for Linux 
  • 4.4.7 Lab: Use IPv4 Test Tools     

Quiz/Assessment:

  • 4.4.8 Lesson Review (10 questions)  

Topics Discussed:

  • What command-line tools report a host’s IP configuration? Are there different tools for use in Windows and Linux? 
  • Is there a tool to verify whether one host can contact another host? 
  • How can I report information about how a host maps an IP address to a MAC address? 

Assignment:

  1. Access the TestOut Courseware through the provided link.
  2. Study Lesson 4.4: IP Troubleshooting Tools, and complete the
    4.4.5 Lab: IPv4 Troubleshooting Tools
    , the 4.4.6 Lab: IPv4 Troubleshooting tools for Linux, the 4.4.7 Lab: Use IPv4 Test Tools and the 10 question 4.4.8 Lesson Review Exam to complete the Section.

Assigned: March 3rd, 2025
Teacher Pacing Due Date: March 4th, 2025