Term
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Definition
| prior to DNS, a plain text file store on a client machine that contains a list of host names and their associated IP address |
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Term
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Definition
| host name, and domain name |
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Term
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Definition
| uniquely identifies a host in the domain |
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Term
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Definition
| unique name that identifies an entity on the internet |
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Term
| components of a DNS system |
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Definition
| zones, DNS servers and root servers, and different type of DNS records |
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Term
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Definition
| an area, or name space, located within a domain over which a particular DNS server has authority |
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Term
| two main types of DNS servers |
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Definition
| secondary zone, and primary server |
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Term
| you can add records in a DNS database either ? |
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Definition
| statically or dynamically |
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Term
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Definition
| request to add a dynamic-DNS record, which it can change dynamically |
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Term
| types of DNS records include |
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Definition
| address record, IPv6 address, canonical name, mail exchanged, name server, pointer, start of authority, and service locator record(s) |
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Term
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Definition
| maps a host name to an IPv4 address |
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Term
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Definition
| AAAA record maps a host name to IPv6 address |
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Term
| canonical name record (CNAME) |
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Definition
| assigns one or more aliases to a host |
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Term
| mail exchanged record, MS |
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Definition
| record-identifies the device hosting a mail server |
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Term
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Definition
| delegates a DNS zone to use authoritative name servers |
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Term
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Definition
| PTR-maps IP address to a host name to allow for reverse lookup functionality |
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Term
| start of authority record (SOA) |
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Definition
| contains authoritative information for zone, including the primary DNS name server |
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Term
| service locator record (SRV) |
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Definition
| can be used to identify a host that provides a specific service, such as a web or directory service server |
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