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1Z0-026 - Exam 1Z0-026 Title NETWORK ADMINISTRATION Ver...

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Exam : 1Z0-026 Titl e : NETWORK ADMINISTRATION Ver : 08.04 .0 6
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1Z0-026 Actualtests.com - The Power of Knowing QUESTION 1: When is the request sent to a listener? A. After every call. B. Before every call. C. After name resolution. D. Before name resolution. Answer: C Explanation: Answer C is correct. 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. Net8 then travels the network, looking for the host machine named in the descriptor. Once found, Net8 calls on that machine using the specific port identified in the connect descriptor. A listener process should be running on the server, turned into that particular port, waiting for user processes to call. Incorrect Answers: A: is incorrect; you don't need to send request to a listener after every call, it needs to be done only after name resolution. B is incorrect; you don't need to send request to a listener before every call, it needs to be done only after name resolution. D is incorrect; Net8 need first perform name resolution using connect descriptor sent it by client and only after that sent request to a listener for connection. Oracle 8, DBA Certification Exam Guide, Jason S. Couchman, p. 986-987 Chapter 21: Overview of Net8 for Client and Server QUESTION 2: The initial number of dispatchers is set to 50. Because of the load on the dispatcher processes the DBA needs to decrease the number of dispatchers. Which two recommended procedures could be used? (Choose two)
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