Test your basic knowledge |

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. 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






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






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






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






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






6. What are the server requirements for storing a zone in AD?






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






8. The value you configure in the ______ text box determines the default Time to Live (TTL) that is applied to all resource records in the zone. The default value is one hour.






9. 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.






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






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






12. 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.






13. 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.






14. The value you configure in the ______ text box determines the length of time that a secondary server - without any contact with its master server - continues to answer queries from DNS clients. After this time elapses - the data is considered unrelia






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






16. 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






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






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






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






20. 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.






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






22. When scavenging is not enabled - you can perform manual scavenging in zones by right-clicking the server icon in the DNS Manager console tree and then choosing ______.






23. 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: _______.






24. Scavenging can occur only when ______ is enabled.






25. What does the 10 refer to in the following example: _ldap._tcp SRV 0 0 389 dc1.lucernepublishing.com.SRV 10 0 389 dc2.lucernepublishing.com.






26. You use Group Policy to configure DNS clients to _________________.






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






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






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






30. To ______ a zone is to create a new zone for a subdomain within a DNS namespace and relinquish authority of that new zone.






31. 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






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






33. 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






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






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






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






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. 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.






39. 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:






40. 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.






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






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






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






44. 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






45. 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.






46. 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.






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






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






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






50. 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.