World of Computer Networking Your CCNA start - nslookup Utility

The video tutorial explains DNS packets, focusing on DNS queries and responses. It introduces the nslookup utility, demonstrating how to resolve domain names to IP addresses using examples like google.com, instagram.com, and cloudflare.com. The tutorial also covers changing DNS settings and understanding the role of routers in DNS resolution. Finally, it hints at using Wireshark for further DNS analysis.

What is the purpose of the nslookup utility?

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Describe the process of resolving a domain name to an IP address.

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What is the significance of port 53 in DNS?

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What happens when you enter an IP address directly into a web browser?

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Explain how to perform a DNS query using nslookup.

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