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 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.






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






3. 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.






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






5. 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.






6. ______ 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.






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






8. 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.






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






10. 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 ______.






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






12. The source zones from which secondary zones acquire their info are called ______ - and the data copy procedures through which this info is regularly updated are called zone transfers.






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






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






15. 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.






16. 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.






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






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






19. 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






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






21. 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 ______.






22. 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.






23. 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






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






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






26. 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.






27. 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






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






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






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






31. 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.






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






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






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






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






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






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






38. Increasing the refresh interval ______ zone transfer traffic.






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






40. 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.






41. 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: _______.






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






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






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






45. 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.






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






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






48. 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.






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






50. 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