510-020 Exam Questions

Sybase 510-020 Adaotive Server Enterprise Administrator Assoc.Certification 132 Q&A Version : V3.49 www.CertifyMe.com

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1. Which isolation level has the following behavior: shared locks are held until a select finishes reading arow or page, and selects wait for exclusive locks to be released.A. 0B. 1C. 2D. 3Answer: B2. Which of the following parameters must be reconfigured from the default in order for hash-based parallelaccess to be considered? (Choose all that apply.)A. max parallel degreeB. number of user connectionsC. max scan parallel degreeD. number of worker processesE. memory per worker processAnswer: ACD3. Which of the following methods can reduce the partition skew for a given table? (Choose all that apply.)A. Execute sp_helpartition tablenameB. Increase the configured value of disk i/o structuresC. Alter the table to add more partitionsD. Create a clustered index on the table (or if one exists, drop and recreate it)E. For a heap table, bulk copy data out, truncate table, bulk copy data inAnswer: DE4. Which system table contains the following columns: lstart, vstart, sizeA. sysobjectsB. sysusagesC. sysdatabasesD. sysserversE. sysdevicesAnswer: B5. Given the following statement: www.CertifyMe.com

How will the index be created?A. With a parallel sort with 2 producers and 1 consumerB. The statement will fail.C. With a serial sort.D. With a parallel sort with 2 producers and 2 consumersAnswer: B6. Your customer database, with its data and logs on separate devices, has just crashed due to the failure ofone of the data devices. Which of the following statements could be used to dump the transaction log inorder to ensure recovery up to the moment of the crash?A. Dump tran customer to customer_log.dmp with no_log.B. Dump tran customer to customer_log.dmp with truncate_onlyC. Dump tran customer to customer_log.dmp with no_truncate.D. It is not possible to dump the log in this case.Answer: C7. What is the purpose of the dbccdb database?:A. It is required for running any dbcc commandB. It is required for running the dbcc checkstorage commandC. It is required for running the dbcc memusage commandD. It is required for running dbcc traceE. It is not required for anythingAnswer: B8. The sybsecurity database is only needed if you plan on using:A. auditingB. user defined rolesC. user defined groupsD. row level access controlAnswer: A www.CertifyMe.com

9. The system table sysindexes exists in which of the following databases? (choose all that apply):A. masterB. sybsystemprocsC. tempdbD. any user databaseAnswer: ABCD10. The databases created by a standard ASE install are (choose all that apply):A. dbccdbB. masterC. modelD. pubs2E. sybsecurityF. sybsystemdbG. sybsystemprocsH. tempdbAnswer: BCFGH11. When you execute a stored procedure, in which database does ASE first look for that procedure?A. masterB. currentC. sybsystemprocsD. sybsystemdbE. defaultAnswer: B12. Identify the segment names that are common to all databases.A. systemB. tableC. logsegmentD. defaultE. indexF. userG. dataAnswer: ACD13. After installing ASE using default settings, which of the following databases are on the master device?(Choose all that apply.)A. master www.CertifyMe.com

B. modelC. tempdbD. sybsyntaxE. sybsystemprocsAnswer: ABC14. Which databases are required for a properly functioning ASE?A. master, model, tempdb, sybsystemprocs, sybsystemdbB. master, model, tempdb, sybsystemprocs, sybsecurityC. master, model, tempdb, sybsystemdb, sybsecurity, dbccdbD. master, model, tempdb, dbccdb, sybsystemprocsAnswer: A15. Where are table/index level statistics stored?A. sysstatisticsB. systabstatsC. On the leaf level of the indexD. The GAM pageE. The distribution pageAnswer: B16. Transaction isolation levels changes the behavior of:A. checkpointsB. database and log dumpsC. readsD. writesE. reads and writesF. reads, writes, and checkpointsAnswer: C17. The following commands were successfully executed in isql:What will be the result of the transaction?A. It will remain openB. It depends on configuration options www.CertifyMe.com

C. It was committed and the data will remain deletedD. It was automatically rolled back and the data will be re-insertedAnswer: D18. Within a nested transaction, a rollback alwaysA. rolls back all the changes done only within the nested transactionB. rolls back all the changes done within the entire most outer transactionC. decrements the global variable @@trancount by oneD. rolls back the transaction to the last named savepointAnswer: B19. The following commands were successfully executed in isql:What will be the result of the transaction?A. It will remain openB. It depends on configuration optionsC. It was committed and the data will remain deletedD. It was automatically rolled back and the data will be re-insertedAnswer: C20. Given the code fragment:What is the final value of column c in table t? www.CertifyMe.com

A. 0B. 1C. 10D. 11E. 100F. 110G. 111Answer: E21. Under which of the following scenarios will only log pages be written to disk?A. When a checkpoint occursB. When pages age outC. When a transaction is committedD. When the Housekeeper writes pages to the diskAnswer: C22. What granularity of locking is available in ASE? (Choose all that apply.)A. table-level lockingB. page-level lockingC. row-level lockingD. extent-level lockingAnswer: ABC23. What is the default isolation level on ASE?A. 0B. 1C. 2D. 3Answer: B24. How would you look up the current isolation level in your Transact-SQL session?A. set transaction isolation level 0B. select @@trancountC. select @@isolationD. select @@transtateAnswer: C25. When configuring the server, the new value for a static configuration parameter will take effectA. when the user logs out and then logs back inB. when the "reconfigure" command is run www.CertifyMe.com

C. when the "online database master" command is runD. when the server is rebootedE. immediatelyAnswer: D26. Which changes require a restart in ASE before they will take effect? (Choose all that apply.)A. increasing "number of locks"B. increasing size of procedure cacheC. decreasing size of any data cacheD. decreasing "number of user connections"E. resetting "number of worker processes" back to its default settingAnswer: C27. The run value for "max memory" is 52000 pages.The run value for "total logical memory" is 40000 pages.Each user connection requires 100 pages of memory.The server currently has a run value of 25 user connections.Under these conditions, which of the following are valid changes to the "number of user connections"?A. sp_configure "number of user connections", 2B. sp_configure "number of user connections", 100C. sp_configure "number of user connections", 124D. sp_configure "number of user connections", 400E. sp_configure "number of user connections", 520Answer: BC28. Which of the following system tables store configuration parameter values?A. systhresholdsB. sysconfiguresC. syscurconfigsD. syserversAnswer: BC29. Currently, 5000 locks are configured in an ASE. The following command is executed:sp_configure "number of locks", 6000How many locks will be available directly after this command has been executed successfully, and howmany locks will be available after the next ASE restart?A. available directly: 5000; available after next ASE restart: 11000B. available directly: 5000; available after next ASE restart: 6000C. available directly: 6000; available after next ASE restart: 5000 www.CertifyMe.com

D. available directly: 6000; available after next ASE restart: 6000E. available directly: 11000; available after next ASE restart: 11000Answer: D30. Which of the following configuration parameters are dynamic?A. max memoryB. number of locksC. number of user connectionsD. number of open databasesE. default character set idAnswer: ABCD31. If a configuration parameter is static, then the following applies:A. The value cannot be changedB. The value can be changed, but the change does not take effect until the server is restartedC. The value can be changed, and the change takes effect immediatelyD. The value can only be changed by reinstalling ASEE. The value must be converted to a dynamic parameter before resetting itAnswer: B32. How do you disable network packet batching in ASE?A. sp_configure "tcp no delay", 0B. sp_configure "tcp no delay", 1C. You can’t disable network packet batching in ASED. sp_configure "allow sendmsg", 0Answer: B33. Which statement is incorrect regarding the configuration parameter max memory?A. The default value is platform-specific.B. Is the most shared memory that can be used by ASE.C. The parameter is dynamic.D. Is equivalent to the pre-12.5 configuration parameter total memory.Answer: D34. Before a parallel hash-based table scan can be performed: (Choose all that apply.)A. the server configuration parameter of "number of worker processes" must be set to 2 or greaterB. the table must be partitionedC. the server configuration parameter of "max parallel degree" must be set to 2 or greaterD. the server configuration parameter of "max scan parallel" degree must be set to 2 or greaterE. the table must be indexed www.CertifyMe.com

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510-020 Exam Questions

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