7. In a short essay outline the DNS query process. What are the two typesof queries?The DNS query process is as an activity that is performed by a device configured to a network which tries to identify an IP address for a specified DNS name. Usually, this process occurs when a networking device tries to send a DNS query to one of its servers that runs with both ISP’s DNS. From such approaches, theDNS servers will then match its database with the aim of answering the host’s queryauthoritatively for a complete process. However, if the server will not be able to answer the host’s query authoritatively, it will then approach its cache found on the previous queries. If it finds any matching queries on its cache, the DNS will be able to answer the host’s query in a non-authoritative manner with regards to it’s the complete processes and that of the cache. Recursive query and iterative query are the two types of queries. 8. Create a table showing the DNS resource record types and functions. RRType Function ExampleRR TypeFunctions Example Start of Authority (SOA)Provides information concerning DNS zone and Zone transfer, configuration, and
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NETWORK ADMINISTRATION 6other DNS recordsdynamic updatesHost (A)It connects the domain to a specified IP addressIPv4 address and computer nameIPv6 Host (AAAA)It uses the IPv6 address toconnect the domain to theIP address that matches with itIPv6 address and computer nameName Server (NS)It is used in delegating a subdomain in setting up server names. .com name serversCanonical Name (CNAME)It specifies another name for a conical hostname that has been recorded bythe DNS database.It directs visitors the sameweb that holds multiple URLs for an organizationPTR RecordsIt matches the domain name to an IP address 126.96.36.199.in-addr.arpa. IN PTR abc.com.9. Research the Global Names Zone(GNZ) feature. In a short essayexplaining this feature including a brief background, advantages,disadvantages, and your opinion on the usefulness of it.GlobalNames Zone (GNZ) was introduced by Microsoft to serve as a windows server that provides strategies for administrators to add label names to their DNS servers, thereby making it possible for networking devices to resolve those names by excluding DNS suffix queries. Its advantages include; reduction of administrative overheads, label-names resolutions, and standards that are open. It also supports
NETWORK ADMINISTRATION 7IPv6 advents. It has a disadvantage of not replacing the dynamics that have been
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