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MCTS: Configuring A DNS Zone Infrastructure

Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. This operation performs a zone transfer from the secondary zone's master server regardless of the serial number in the secondary zone's SOA resource record.






2. A ______ is a public key for a remote DNS server that is trusted and able to provide DNSSEC responses.






3. A secondary zone will not be recognized as a valid name server until it contains a valid copy of zone data. For the secondary zone to obtain this data - you must first ______ to that server.






4. Increasing the refresh interval ______ zone transfer traffic.






5. For a delegation to be implemented - the parent zone must contain a _____ and an _____ (called a glue record) pointing to each authoritative server of the delegated domain.






6. Public key cryptography provides ______ - which means that separate keys are used to encrypt and decrypt data.






7. When you create a new zone - two types of records required for the zone are automatically created: ______






8. When you create a new zone - two types of records required for the zone are automatically created. List them.






9. Also recommended for use in the following scenarios: When a host specified in an A resource record in the same zone needs to be renamed - When a generic name for a well-known server such as www needs to resolve to a group of individual computers tha






10. The ______ service uses SRV records to locate DCs in a domain by searching the domain for the LDAP service.






11. For a DC to fall within the scope of such a directory partition - you must ______ that DC in the partition.






12. The ______ partition is replicated among all DCs that are also DNS servers in every domain in an AD forest.






13. The ______ option stores the new zone in the Domain-DnsZones partition. Every DC in the local domain and on which the DNS Server role is installed will receive a copy of the zone.






14. Any of three events can ________________: When the refresh interval of the primary zone's SOA resource record expires - When a server hosting a secondary zone boots up - When a change occurs in the configuration of the primary zone and this primary






15. To enlist other DNS servers in the partition - type the following command:






16. By default - zone transfers are ______ from any zone.






17. To add an NS record - double-click any existing NS record in DNS Manager and add the server data to the ______ tab.






18. Scavenging can occur only when ______ is enabled.






19. What is the name of the record that contains a hash of the public key in a delegated subdomain?






20. The _____ option stores the zone in the domain partition. Every DC in the local domain will receive a copy of the zone - regardless of whether the DNS Server role is installed on that DC.






21. To enable aging for a particular zone - you have to enable this feature both at the ______ level.






22. By default - DCs include two application directory partitions reserved for DNS data: ______.






23. The refresh interval is the time after the no-refresh interval during which time stamp refreshes are ______ and resource records are not scavenged. The default refresh interval is 7 days.






24. Active Directory-integrated zones perform time stamping for dynamically registered records by default - even before aging and scavenging are enabled. However - primary standard zones place time stamps on dynamically registered records in the zone onl






25. There are three basic steps in _______________: 1. Enable GlobalNames zone support. 2. Create the GlobalNames zone. 3. Populate the GlobalNames zone.






26. Together - aging and scavenging provide a mechanism to ______ resource records - which can accumulate in zone data over time. Both aging and scavenging are disabled by default.






27. ______ resource records are used to specify the location of specific services in a domain.






28. ______ refers to the process of deleting outdated resource records on which time stamps have been placed.






29. ______ are public keys from other zones that are used to validate digitally signed records originating from those zones and from delegated subdomains that are also DNSSEC-compatible.






30. TTL values are not relevant for resource records within their authoritative zones. Instead - the TTL refers to ______ in nonauthoritative servers. A DNS server that has cached a resource record from a previous query discards the record when that reco






31. The source zones from which secondary zones acquire their info are called ______ - and the data copy procedures through which this info is regularly updated are called zone transfers.






32. Consequently - when aging is enabled - dynamically registered resource records can be scavenged after ___ days by default.






33. To enable GlobalNames zone support - At an elevated command prompt - type the following: ______.






34. During this operation - the server hosting the local secondary zone determines whether the serial number in the secondary zone's SOA resource record has expired and then pulls a zone transfer from the master server.






35. If either of the default application directory partitions is deleted or damaged - you can re-create them in DNS Manager by right-clicking the server node and choosing ______.






36. When the zone is stored in a file instead of AD - by default the primary zone file is named zone_name.dns - and this file is located in the ______ folder on the server.






37. A ______ zone provides original read-write source data that allows the local DNS server to answer DNS queries authoritatively about a portion of a DNS namespace.






38. In this way - digital signatures use ______ cryptography to prove that information is unspoofed and unchanged.






39. A ______ is a data structure in AD that distinguishes data for different replication purposes.






40. By right-clicking a secondary zone in the DNS Manager console tree - you can use the shortcut menu to perform the following secondary zone update operations:






41. To create a custom application directory partition - type the following command:






42. The Zone Transfers tab also allows you to configure ______ to secondary servers whenever a change occurs at the primary zone.






43. The ______ option stores the new zone in the ForestDnsZones partition. Every DC in the entire forest and on which the DNS Server role is installed will receive a copy of the zone.






44. The first step in preparing a zone for DNSSEC is to back up the current zone data. To back up a zone - type the following command at an elevated command prompt: _______.






45. Win 7 clients can be configured to request DNSSEC through the Name Resolution Policy Table (NRPT) in ______.






46. You must be a member of the ______ group to create an application directory partition.






47. The value you configure in the ______ text box determines how long a secondary server waits before retrying a failed zone transfer. Normally - this time is less than the refresh interval. The default value is 10 minutes.






48. The ______ allows you to specify the DNS query suffixes - prefixes - FQDNs - or reverse lookup subnets for which a Win 7 or Win Server 2008 R2 client will request DNSSEC.






49. DNS delegations are automatically used to separate ______ in a single forest.






50. The ___________________ dialog box enables you to modify two key settings related to aging and scavenging: 1. the no-refresh interval 2. and the refresh interval







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