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






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






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






4. 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:






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






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






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






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






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






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






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






12. Scavenging can occur only when ______ is enabled.






13. 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






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






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






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






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






18. 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.






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






20. 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.






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






22. 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






23. ______ 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.






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






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






26. 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






27. 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.






28. 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.






29. 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.






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






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






32. 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.






33. 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.






34. 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.






35. 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.






36. 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






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






38. 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 ______.






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






40. 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






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






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






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






44. 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.






45. 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.






46. The GlobalNames zone is compatible only with DNS servers running ______. Therefore - it cannot replicate to servers running earlier versions of Windows Server.






47. 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: _______.






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






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






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