Friday, May 17, 2019

Linux Hw

What kind of server repond to recursive queries ? how does this server work ? A DNS servers that is setup with to preform recursive queries or an SQL server What kind of dns record is likely to be returned when a web browser tries to resolve the domain part uri? An A (address) record points to a domain. What are mx resource records for? identifies the email servers for a domain How would you find the ip address of example. com from the command line? $ hostname example. com or $ dig example. comHow would you instruct a linux system to use the local network? Dns cache located at 192. 168. 1. 254 or the isps Dns cache ,located at 1. 2. 3. 4, if lan nameserver is unavailable ? Tree files to check on. etc man host. conf exit tell you about the order option etc Is for static dns resolve etc the file for all your dns needs because edit /etc/resolv. conf add the following nameserver 192. 168. 1. 254 nameserver 1. 2. 3. 4 How would you instruct a Dns server response only to queries from th e 137. 4*ip range Add the following line to the Options section in /etc/named. conf allow-query 137. 44. 0. 0/24 How top executive a resolver attempt to find the ipaddress of the example domain A resolver will append several antithetic domains to an unqualified Domain Name producing FQDNS that passes them one at a time. How would you set up a snobbish domain name hierarchy that does not include any of the official interNIC assigned domain names ? Set up a DNS cache that defines the zone . (period) clause explicitly, rather than relying on the hint file.

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