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






2. 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 ______.






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






4. 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






5. ______ 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.






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






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






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






9. 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.






10. 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.






11. 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.






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






13. 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.






14. 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.






15. 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






16. Scavenging can occur only when ______ is enabled.






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






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






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






20. 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






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






22. You use Group Policy to configure DNS clients to _________________.






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






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






25. 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:






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






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






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






30. 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.






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






32. 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.






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






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






35. 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.






36. 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.






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






38. 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.






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






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






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 the default Time to Live (TTL) that is applied to all resource records in the zone. The default value is one hour.






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






45. 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.






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






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






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






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






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






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