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 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: _______.






2. 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.






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






4. 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 ______.






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






6. 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.






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






8. 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.






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






10. 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






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






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






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






14. 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.






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






16. Increasing the refresh interval ______ zone transfer traffic.






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






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






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






20. 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.






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






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






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. 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






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






26. 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.






27. 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.






28. 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






29. 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






30. 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.






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






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






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






34. 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.






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






36. 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 ______.






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






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






39. 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






40. 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.






41. 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






42. Scavenging can occur only when ______ is enabled.






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






44. 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.






45. 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:






46. 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.






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






48. During this operation - the server hosting the local secondary zone determines whether the serial number in the secondary zone's SOA resource record has expired and then pulls a zone transfer from the master server.






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






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