CS2910 Quiz 6 DNS

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CS2910 Quiz 6 DNS

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What does DNS stand for?

Dynamic Name Search

Domain Name Server

Domain Name System

Dynamic Name Server

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A typical time limit for considering DNS entry to still be valid might be...

3 months

5 hours

1 week

30 minutes

30 seconds

1 year

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The purpose of the Local DNS Server is...

To remember mappings previously requested

To provide an authoritative domain name translation

To alias host names to global IP addresses

To translate local machine names to IP addresses

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When performing host aliasing, a DNS server...

Translates a single host alias to multiple IP addresses

Translates an alias IP address to a true IP address

Translates multiple host names to a single IP address

Translates the host's name to an IP address alias

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DNS applications usually communicate on

UDP port 53

UDP port 34

TCP port 40

TCP port 60

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