The Domain Name System

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Affirmations about the DNS

Which of the following sentences about the DNS are correct ?

When a client sends a query to retrieve the IP address corresponding to www.computer-networking.info to its local resolver, the resolver may need to query different nameservers to return the answer.

A client can contact any root nameserver to convert www.computer-networking.info into an IP address

A MX record contains the name of the mailserver that accepts emails for a domain

A NS record contains the IPv6 address of the nameserver that is responsible for a domain

The TTL associated to a DNS record indicates the time in seconds during which this record can be cached by resolvers.

An AAAA record contains an IPv6 address

A NS record contains the name of the nameserver that is responsible for a domain

An A record contains an IPv4 address

Forfatter(e)	Olivier Bonaventure
Frist	Ingen frist
Innleveringsgrense	Ingen begrensning
Kategorimerkelapper	dns

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