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






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






3. 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.






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






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






6. Increasing the refresh interval ______ zone transfer traffic.






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






8. 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.






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






10. 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.






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






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






13. 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






14. 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






15. 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.






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






17. 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.






18. 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.






19. 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 ______.






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






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






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






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






25. 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.






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






27. 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.






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






29. 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.






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






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






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






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






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






35. 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.






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






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






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






39. 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






40. 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






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






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






43. 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.






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






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






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






47. 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 ______.






48. ______ 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.






49. 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.






50. 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