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. 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.






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






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






4. 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.






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






6. 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.






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






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






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






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






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






12. 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.






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






14. 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 ______.






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






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






17. 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 ______.






18. Scavenging can occur only when ______ is enabled.






19. 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






20. 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.






21. 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.






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. 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






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






25. 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.






26. 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.






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






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






29. 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






30. 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.






31. 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.






32. 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.






33. 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: _______.






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






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






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






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






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






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






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






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






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






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






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






45. 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






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






47. The four options presented on the _____________________ are the following: 1. To All DNS Servers In This Forest 2. To All DNS Servers In This Domain 3. To All DCs In This Domain 4. To All DCs Specified In The Scope Of This Directory Partition






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






49. 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.






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