QUESTION - Name Services
(a) Illustrate with help of a diagram the results of a DNS lookup and an ARP lookup assuming we are using IPv4.
(b) Why do DNS root servers hold entries for two-level names such as ac.mu and un.org, rather than one-level names such as .mu and .org?
(c) Is it possible for a DNS server to provide multiple answers to a single name lookup? When and Why?
(d) Explain the use
(i) of aliases in name services
(ii) of caching servers to enhance availability