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Topic 207: Domain Name Server

Perteneciente a LPIC-2

Módulos:

Tests

What is the purpose of a PTR record?

To provide name to IP resolution.
To provide IP to name resolution. (Solución)
To direct email to a specific host.
To provide additional host information.
To direct clients to another nameserver .

Using only commands included with named, what is the command, with options or parameters, to make named re-read its zone files?

rndc reload

PREGUNTA DE EXAMEN:

According to the configuration below, what is the e-mail address of the administrator for this domain?

$TTL 86400
$ORIGIN certkiller.com
@ IN SOA mars.certkiller.com hostmaster.certkiller.com (
    2005020801
    10800
    3600
    604800
    86400
    )

PREGUNTA DE EXAMEN: The mailserver is currently called fred, while the primary MX record points to mailhost.example.org. What must be done to direct example.org email towards fred? • Add an A record for mailhost to fred's IP address. • Add a CNAME record from mailhost to fred. • Add another MX record pointing to fred's IP address. • Add a PTR record from mailhost to fred.