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. Increasing the refresh interval ______ zone transfer traffic.






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






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






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






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






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






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






8. 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.






9. 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.






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






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






12. 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: _______.






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






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






15. 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.






16. 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.






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






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






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






20. 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.






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






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. 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 ______.






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






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






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






27. 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.






28. 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.






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






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






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






32. 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.






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






34. 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






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






36. 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






37. ______ 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.






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






39. Scavenging can occur only when ______ is enabled.






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






41. 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






42. 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






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






44. 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.






45. 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.






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






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






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. 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.






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