4 Answer questions 4.1-4.2 below using nslookup command (same nslookup on Linux but may use different options) with various options. 4.1 What are IP addresses of www.citytech.cuny.edu, www.yahoo.com, and www.ibm.com? 4.1.1 Are 3 addresses listed in your answer to Q4.1 of IPv4 or IPv6 type? 4.1.2 What is the name and address of the DNS server that provided you with IP addresses to www.citytech.cuny.edu in Q 4.1?

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