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






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 ______ refers to the process of deleting outdated resource records on which time stamps have been placed.






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






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






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






6. 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.






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






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






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






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






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






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






13. 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






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






15. 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: _______.






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






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






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. 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






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






21. 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.






22. 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.






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






24. 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.






25. Increasing the refresh interval ______ zone transfer traffic.






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






28. 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.






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






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






31. 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.






32. 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






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






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






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






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






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






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






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






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






41. 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.






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






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






44. 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






45. 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.






46. 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.






47. 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.






48. 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.






49. 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.






50. ______ 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.







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