Question 1: (2 marks) Screen shot the local area connection properties of your computer. What is your local machine’s default gateway IP address? What is the purpose of having a default gateway? Question 2: (2 marks) In your local machine CLI window, ping your default gateway and ping www.cisco.com. Once successful, type the command “arp – a” Take a screen shot of the output and explain two lines as examples Question 3: (2 marks) Issue “netstat -r” command in the CLI window, screen shot the IPv4 and IPv6 tables and explain the table content row-by-row. Question 4: (2 marks) David bought a new Cisco router 1900. What are the main components of a Cisco router? He wants to keep back up of IOS of the router. Please advise him the two methods with correct procedures. Question 5: (2 marks) Refer to the exhibit below. The network administrator for a small advertising company has chosen to use 192.168.5.96/27 network for internal LAN addressing. As shown in the exhibit, a static IP address is assigned to the company printer. However, no other devices can visit it. Please give your suggestion of general trouble shooting procedure and identify that is the main reason if current situation.

Question 1: The purpose of having a default gateway is to enable communication between devices in different networks. A default gateway is the IP address of the router that connects your local machine to other networks. It acts as an intermediary, forwarding packets between your local network and other networks. To find the default gateway IP address on a Windows computer, you can follow these steps:

1. Open the Command Prompt by pressing the Windows key and typing “cmd”.
2. In the Command Prompt window, type “ipconfig” and press Enter.
3. Look for the “Default Gateway” under the “Ethernet adapter” or “Local Area Connection” section. The default gateway IP address will be listed next to it.

Question 2: To ping the default gateway and a website like www.cisco.com, you can follow these steps:

1. Open the Command Prompt by pressing the Windows key and typing “cmd”.
2. In the Command Prompt window, type “ping [default gateway IP address]” and press Enter. Replace “[default gateway IP address]” with the actual IP address of the default gateway. This will send ICMP echo request packets to the default gateway and check if it responds.
3. After successfully pinging the default gateway, type “ping www.cisco.com” and press Enter. This will send ICMP echo request packets to the website and check if it responds.
4. To view the ARP (Address Resolution Protocol) cache, type “arp -a” and press Enter. This will display the ARP table that maps IP addresses to MAC (Media Access Control) addresses.

The ARP table output will list IP addresses and their corresponding MAC addresses. Two lines in the output could be analyzed as examples. For example, the line “192.168.1.1” with “00-11-22-33-44-55” represents the default gateway IP address and its MAC address. Another line “192.168.1.10” with “AA-BB-CC-DD-EE-FF” represents the IP address of a device on the local network and its MAC address.

Question 3: To issue the “netstat -r” command and analyze the IPv4 and IPv6 routing tables, you can follow these steps:

1. Open the Command Prompt by pressing the Windows key and typing “cmd”.
2. In the Command Prompt window, type “netstat -r” and press Enter. This will display the routing table for both IPv4 and IPv6.
3. Take a screenshot of the output for both IPv4 and IPv6 routing tables.

The routing table content can be explained row-by-row:

– The first row represents the network destination, which is the destination network or host IP address. It shows where the packets should be routed.
– The second row represents the network mask, which is used for subnetting. It determines the network portion and host portion of the IP address.
– The third row represents the gateway or interface, which is the next hop for the packets to reach the destination network or host.
– The fourth row represents the metric, which is a value used to determine the best path for routing. It indicates the desirability of a route.
– The fifth row represents the interface, which is the network interface used for sending and receiving data packets.

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