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You work as an administrator at Contoso.com. The Contoso.com network consists of a single domain named Contoso.com. All servers on the Contoso.com network have Windows Server 2012 R2 installed. Contoso.com has a server, named ENSUREPASS-SR13, which is configured as the primary DNS server in the Contoso.com domain. Contoso.com has another server, named ENSUREPASS-SR14, which makes use of ENSUREPASSSR13 for DNS queries. You want to make sure that running nslookup.exe from ENSUREPASS-SR14 produces a result that shows the proper name of the default server. Which of the following actions should you take?
Correct Answer: C
Explanation/Reference: Explanation: When you start Nslookup from a command line, the following error message may be displayed: DNS request timed out timeout was x seconds Can't find server name for address xxx.xxx.xxx.xxx: Timed out Default servers are not available Default Server: UnKnown Address: xxx.xxx.xxx.xxx where xxx.xxx.xxx.xxx is the Internet Protocol (IP) address of the host on which you are attempting to start Nslookup. CAUSE When Nslookup starts, it attempts to resolve the IP address of its host's DNS server to its fully qualified domain name (FQDN). If the DNS server does not respond or if the DNS server's reverse lookup zones do not contain a PTR record for the DNS server's IP address, the error message is displayed.