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






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






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






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






5. 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.






6. Manually created resource records for all zone types are assigned a time stamp of 0; this value indicates that they ______ be aged.






7. The no-refresh interval is the period after a time stamp during which a zone or server rejects a ______ refresh. The default no-refresh interval is 7 days.






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






9. Increasing the refresh interval ______ zone transfer traffic.






10. What kind of zones do not automatically perform time stamping on dynamically created resource records?






11. 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.






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






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






14. 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.






15. 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.






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






17. 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.






18. 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






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






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






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






22. 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.






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






24. ______ 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.






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






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






27. 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.






28. Scavenging can occur only when ______ is enabled.






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






30. ______ in DNS refers to the process of using time stamps to track the age of dynamically registered resource records.






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






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






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






34. 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.






35. 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.






36. 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.






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






38. 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:






39. 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






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






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






42. 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: _______.






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






44. 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.






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






46. 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






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






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






49. 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.






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