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MCTS: Configuring A DNS Zone Infrastructure

Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

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 ______ refers to the process of deleting outdated resource records on which time stamps have been placed.






2. The value you configure in the ______ text box determines how long a secondary DNS server waits before querying the master server for a zone renewal. The default value for this setting is 15 minutes.






3. When you do not store a zone in AD - the zone is called a ______ zone - and zone data is stored in text files on the DNS server.






4. A ______ is a database containing records that associate names with addresses for a defined portion of a DNS namespace.






5. This operation reloads the secondary zone from the local storage.






6. You can perform a delegation only from a ________________.






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






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






9. The ______ partition is replicated among all DCs that are also DNS servers in a particular domain






10. To configure notifications - click ______ on the Zone Transfers tab when zone transfers are enabled.






11. 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.






12. ______ zones provide a means to offload DNS query traffic in areas of the network where a zone is heavily queried and used.






13. DNSSEC enables a DNS server to ______ the resource records in its zones.






14. 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.






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






16. The most common resource records you need to create manually include the following:






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






18. Alias resource records are sometimes called canonical names (CNAME). These records allow you to ______ a single host.






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






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






21. Increasing the refresh interval ______ zone transfer traffic.






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






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






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






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






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






28. 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.






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






30. 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.






31. DNSSEC in Win Server 2008 R2 allows a ______ to validate DNS data on behalf of its Win 7 clients.






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






33. 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.






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






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






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






37. 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






38. A ______ zone is similar to a secondary zone - but it contains only those resource records necessary to identify the authoritative DNS servers for the master zone.






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






40. 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






41. 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.






42. 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:






43. The ______ option stores the zone in the user-created application directory partition specified in the associated drop-down list box.






44. Used to facilitate the resolution of single-label computer names in a large network.






45. ______ 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.






46. 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 ______.






47. 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






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






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






50. 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: _______.







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