ScienceComputer Science70-410 Lesson 12 Computer Science
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70-410 Lesson 12 Computer Science

Emelia James avatar Emelia James
25 July 2022
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15 test answers

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Relay agents
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Which of the following is not one of the elements of the Domain Name System (DNS)?
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Each individual domain name can be no more than 63 characters long. The total FQDN (including the trailing period) can be no more than 255 characters long.
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What is the maximum length for a fully qualified domain name, including the trailing period?
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88.143.75.10.in-addr.arpa
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Hich of the following would be the correct FQDN for a resource record in a reverse lookup zone if the computer's IP address is 10.75.143.88?
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Full Zone Transfers & Incremental Zone Transfers
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Which of the following are types of zone transfers supported by the DNS server in Windows Server 2012?
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Contoso
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In the fully qualified domain name www.sales.contoso.com, which of the following is the second-level domain?
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Conditional Forwarder
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This DNS configuration item will forward DNS queries to different servers based on the domain name of the query.
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AAAA record
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The IPv6 DNS host record is referred to as a(n):
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Authoritative answer
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A DNS server that hosts a primary or secondary zone containing a particular record can issue the following response to a query for the record:
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Zone Transfer
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Data from a primary zone is transmitted to secondary zone using the following:
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Secure dynamic updates
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The following feature is available only on Active Directory-integrated DNS zones:
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All Internet applications working with host names must use DNS to resolve host names into IP addresses.
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What client applications utilize Domain Name System (DNS) to resolve host names into IP addresses?
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Name caching enables the second name resolution request for the same name to bypass the referral process.
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What is the primary purpose of name caching?
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Specifying a TTL that is too short can overburden root name and top-level domain servers with requests.
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What are the dangerous consequences of a poorly chosen Time To Live (TTL)?
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Reducing the traffic and making efficient use of available bandwidth across the network perimetter
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What is the primary benefit of a DNS forwarder?
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Avoid an excessive number of domain levels.
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What are some best practices when creating internal DNS namespaces.