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DNS Practice Quiz for Networking Fundamentals

Practise DNS records and resolution concepts with original questions. Check explanations and adapt the quiz for an introductory networking lesson.

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DNS Practice Quiz for Networking Fundamentals example

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Original sample for dns networking practice quiz: DNS, A AAAA CNAME MX TXT, resolution, networking.

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20 questions · no account required

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Which record maps a name to an IPv4 address? The zone contains an ______ record for the web host.

AMXTXT

Context check: An A record contains an IPv4 address. Complete the sentence: The zone contains an ______ record for the web host.

Which record maps a name to an IPv6 address? The zone contains an ______ record for the new host.

Context check: AAAA is the IPv6 address record. Complete the sentence: The zone contains an ______ record for the new host.

Which record aliases one name to another name? The www host uses a ______ record.

Context check: CNAME creates a canonical-name alias. Complete the sentence: The www host uses a ______ record.

Which record identifies mail exchangers? The domain publishes an ______ record.

Context check: MX records identify mail delivery hosts. Complete the sentence: The domain publishes an ______ record.

Which record identifies authoritative name servers? The parent zone lists an ______ record.

Context check: NS records identify name servers. Complete the sentence: The parent zone lists an ______ record.

Which record stores arbitrary text such as verification data? The domain adds a ______ record for verification.

TXTAPTR

Context check: TXT records carry text data. Complete the sentence: The domain adds a ______ record for verification.

Which record supports reverse lookup? The reverse zone contains a ______ record.

Context check: PTR maps an address back to a name in reverse lookup. Complete the sentence: The reverse zone contains a ______ record.

What service asks DNS servers for an answer on behalf of a client? The client sends the question to a DNS ______.

Context check: A resolver performs or forwards the lookup. Complete the sentence: The client sends the question to a DNS ______.

What stores a recent DNS answer for its TTL? The resolver uses its ______ until expiry.

Context check: A cache stores recent answers. Complete the sentence: The resolver uses its ______ until expiry.

What server has the data for a zone? The ______ server answers from its zone data.

Context check: An authoritative server is responsible for the zone. Complete the sentence: The ______ server answers from its zone data.

The exercise explains records, cache and authority without sending live DNS queries.

Source: Original DNS networking fundamentals practice checked against the IETF DNS overview and RFC 1034/1035 references.

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