The name resolver is commonly called a _____. a. DNS server c. DNS client b. caching server d. None of the above

The primary server maintains the DNS databases for its DNS _______, the set of records contained within a domain. a. cache c. set b. zone d. area

When you create a DNS server, you generally populate it with a _______________ zone and a _________________ zone. a. caching, forwarding c. primary, secondary b. forward lookup, reverse lookup d. None of the above

Which DNS record associates a host to an IP address? a. A d. SOA b. CNAME e. PTR c. MX

Which DNS record identifies a server used for processing and delivering e-mail? a. A d. SOA b. CNAME e. PTR c. MX

In DNS domain name, A single period (.) or a period used at the end of a name, such as example.microsoft.com.

True False

A zone file is a text document used by the domain name system (DNS) to map computers, domain names, and various resources to the appropriate Internet Protocol (IP) addresses. This mapping allows people to access resources and computers on the Internet using human-readable addresses

True False

How many DNS root name servers deployed? ____ . Which organization responsible for root name servers?_____________

In Apache configuration, We configured DirectoryIndex index.html index.php , what is it, please explain ?

Use NSLOOKUP command to resolve the IP address and show how library.wexler.hunter.cuny.edu domain is mapped to its IP address in DNS tree, you will draw a DNS tree includes Forwarding Lookups and Reverse Lookups. Reverse DNS lookups for IPv4 addresses use the special domain in-addr.arpa., also please indicate root, TLD, SLD, sub-domain alongside with drawing. (10pts)

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