Posts

7.2.7 Lab – View Network Device MAC Addresses (Answers)

Image
 Objectives Configure Devices and Verify Connectivity in Part 1 Part 2: Display, Describe, and Analyze MAC Addresses for Ethernet Context / Scenario A Layer 2 MAC address uniquely identifies each device on an Ethernet LAN. The manufacturer assigns and stores this address in the NIC's firmware. This lab will investigate and evaluate the components of a MAC address, as well as how to locate this information on a switch or a PC. You will connect the equipment in the topology depicted. The switch and PC will be configured to match the addressing table. You will validate your settings by attempting to connect to the network. After configuring the devices and verifying network connection, you'll use a variety of commands to get information from the devices in order to answer questions about your network equipment. Cisco Catalyst 2960 switches running Cisco IOS Release 15.2(2) were utilised (lanbasek9 image). Other Cisco switches and Cisco IOS versions are also supported. Depending on...

7.1.6 Lab – Use Wireshark to Examine Ethernet Frames

Image
 Objectives Part 1: Analyze the Ethernet II Frame's Header Fields Part 2: Capturing and Analyzing Ethernet Frames Using Wireshark Context / Scenario When protocols at the upper layers communicate, data flows down the Open Systems Interconnection (OSI) layers and is encapsulated in a Layer 2 frame. The frame composition is determined by the mode of media access. For instance, if the upper layer protocols are TCP and IP and the media access layer protocol is Ethernet, the Layer 2 frame encapsulation will be Ethernet II. This is standard behaviour in a LAN environment. It is beneficial to analyse frame header information when learning about Layer 2 concepts. You will review the fields contained in an Ethernet II frame in the first section of this lab. In Part 2, you'll capture and analyse Ethernet II frame header fields for local and remote traffic using Wireshark. Note from the instructor: This lab assumes the student is using a personal computer with internet access. Additionall...

4.6.6 Lab – View Wired and Wireless NIC Information (Answers)

Image
 4.6.6 Lab – View Information on Wired and Wireless NICs Objectives Part 1: Recognise and Work with Personal Computer Network Interface Cards Part 2: Recognise and Utilise Network Icons in the System Tray Context / Scenario This lab asks you to identify the availability and status of the network interface cards (NICs) installed on the personal computer (PC) you are using. Windows offers a variety of methods for seeing and working with your network interface cards. In this lab, you will get access to your computer's network interface card (NIC) information and modify the state of these devices. Ressources Required 1 personal computer (Windows with two NICs, wired and wireless, and a wireless connection) At the start of this experiment, the wired Ethernet network interface card in the PC was connected to one of the integrated switch ports on a wireless router. Then, the Local Area Connection (wired) was activated. Initially, the wireless NIC was deactivated. If both the wired and wir...

3.7.10 Lab – Use Wireshark to View Network Traffic (Answers)

Image
 Objectives Part 1: Using Wireshark to Capture and Analyze Local ICMP Data Part 2: Using Wireshark to Capture and Analyze Remote ICMP Data Context / Scenario Wireshark is a protocol analyzer software tool, sometimes known as a "packet sniffer," that is used for network troubleshooting, analysis, software and protocol development, and teaching. As data streams traverse the network, the sniffer "captures" each protocol data unit (PDU) and is able to decode and analyse its contents in accordance with the relevant RFC or other standard. Wireshark is an essential tool for anybody who works with networks and may be used in conjunction with the majority of the labs in the CCNA courses for data analysis and troubleshooting. Wireshark will be used to collect ICMP data packet IP addresses and Ethernet frame MAC addresses in this experiment. Ressources Required 1 personal computer (Windows with internet access) Additional personal computers (PCs) connected to a local area netw...

3.7.9 Lab – Install Wireshark (Answers)

Image
 3.7.9 Lab – Wireshark Installation Objectives Install Wireshark Context / Scenario Wireshark is a protocol analyzer software tool, sometimes known as a "packet sniffer," that is used for network troubleshooting, analysis, software and protocol development, and teaching. As data streams traverse the network, the sniffer "captures" each protocol data unit (PDU) and is able to decode and analyse its content in accordance with the relevant RFC or other standard. Wireshark is an essential tool for anybody who works with networks and may be used in conjunction with the majority of the labs in the CCNA courses for data analysis and troubleshooting. This experiment demonstrates how to download and install Wireshark. Ressources Required 1 personal computer (Windows with internet access) Instructor Note: Using a packet sniffer such as Wireshark may be seen as a violation of the school's security policy. Permission should be sought prior to running Wireshark for this lab....

3.4.4 Lab – Research Networking Standards (Answers)

Image
Objectives Standards for Research Networking Organizations Reflect on Their Experiences with the Internet and Computer Networking Context / Scenario Conduct research on non-profit organisations that are responsible for developing worldwide standards for the internet and the development of internet technology using online search engines such as Google. Ressources Required Internet-connected device Instructions Step 1: Conduct research on Organizations that Adhere to Networking Standards This stage will identify many prominent standards organisations and their key qualities, such as their years of existence, membership numbers, significant historical characters, some of the organization's roles and obligations, organisational supervision function, and headquarters location. Utilize a web browser or websites for different organisations to do research on the following organisations and the individuals who have aided in their maintenance. You may get the answers to the following questio...