A client replication b client side cache c local names

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Unformatted text preview: : Connection Manager, Troubleshooting, and Security QUESTION 42: The Names server has become unavailable and users still need to access database services on the network. What can be accessed to obtain a current list of recently accessed services? A. Client replication. B. Client-side cache. C. Local names server. D. Region database Answer: B Explanation: Answer B is correct. Using client-side cache it is possible to obtain a current list of recently accessed services. Command START_CLIENT_CACHE of NAMESCTL utility starts the client cache process, where all Names server information will be stored. Incorrect Answers: A is incorrect; there is no client replication feature in Names server. C is incorrect; there is no local names server in Oracle. D is incorrect; region database will not provide this information because of unavailability of Names server. Oracle 8, DBA Certification Exam Guide, Jason S. Couchman, p. 1054-1055 Chapter 23: Connection Manager, Troubleshooting, and Security QUESTION 43: When troubleshooting Net8 problems using the sqlnet.log file, how are you most likely to find the cause of the problem? A. Locating the first non-zero entry starting from top of the file. Actualtests.com - The Power of Knowing 1Z0-026 B. Interpreting the first non-zero entry staring from the bottom of the file. C. Looking for the first non-zero entry following the last zero entry in the report. D. Querying the file with a select statement that includes a where clause to find errors with a pre-fix of "NET". Answer: B Explanation: Answer B is correct. To find the cause of the Net8 problem, you need to analyze the sqlnet.log file for the first non-zero entry starting from the bottom file. Incorrect Answers: A is incorrect; you need to look for the first non-zero entry starting from the bottom of the file, to of the top of the file. C is incorrect; you need to look for the first non-zero entry starting from the bottom of the file. This entry does not need to be followed by the zero entry. D is incorrect; you cannot analyze sqlnet.ora file with a statement statement. Oracle 8, DBA Certification Exam Guide, Jason S. Couchman, p. 986-987 Chapter 21: Overview of Net8 for Client and Server QUESTION 44: Which three parameters would you specify if you wanted trace the default listener? (Choose three) A. TRACE_LEVEL B. TRACE_LISTENER C. TRACE_DIRECTORY D. TRACE_FILE_LISTENER E. TRACE_LEVEL_LISTENER F. TRACE_DIRECTORY_LISTENER Answer: D, E, F Explanation: Answers D, E and F are correct. For listeners, the parameters you use are TRACE_FILE_listener and TRACE_DIRECTORY_listener, where "listener" can be replaced with the name of your listener (LISTENER by default). To set a level of tracing you need to use TRACE_LEVEL_LISTENER parameter. Incorrect Answers: A is incorrect; there is no TRACE_LEVEL parameter to trace the default listener. B is incorrect; there is no TRACE_LISTENER parameter to trace the default listener. C is incorrect; there is no TRACE_DIRECTORY parameter to trace the default listener. Oracle 8, DBA Certification Exam Guide, Jason S. Couchman, p. 1094-1101 Chapter 23: Connection Manager, Troubleshooting, and Security Actualtests.com - The Power of Knowing 1Z0-026 QUESTION 45: How can the DBA monitor the dispatcher processes? A. By launching the Enterprise Manager MTS monitor. B. By querying the DBA_DISPTCHERS data dictionary view. C. BY queering the V$DISPATCHER dynamic performance view. D. By issuing the SHOW DISPATCHER LSNRCTL command. Answer: C Explanation: Answer C is correct. The DBA can monitor the dispatcher processes by queering the V$DISPATCHER dynamic performance view. Incorrect Answers: A is incorrect; there is no the Enterprise Manager MTS monitor. B is incorrect; there is no DBA_DISPTCHERS data dictionary view in Oracle. D is incorrect; there in no SHOW DISPATCHER command in the LSNRCTL utility. Oracle 8, DBA Certification Exam Guide, Jason S. Couchman, p. 1061-1068 Chapter 22: Names, Intelligent Agent, and MTS QUESTION 46: Which statement is True? A. A connect descriptor maps to a service name. B. A service name maps to a connect descriptor. C. A connect descriptor translates only one service name. D. A connect descriptor is an entity unrelated to a service name. Answer: B Explanation: Answer B is correct. A service name can map only to a connect descriptor. In order for Net8 to recognize the connect string you provide as a valid representation for a database somewhere on the network, your connect string must map to a connect descriptor, which is a description of the Oracle service you want to connect to. Incorrect Answers: A is incorrect; a service name maps to a connect descriptor, not vise-versa. C is incorrect; a connect descriptor translates not only one service name. D is incorrect; connect descriptor is an entity highly related with a service name. Oracle 8, DBA Certification Exam Guide, Jason S. Couchman, p. 986-987 Chapter 21: Overview of Net8 for Client and Server QUESTION 4...
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