主要病征类型:
微生物吸收养料的方式及特点和代表?
A customer wants to have employees work from remote locations as well as in the office. All communications must be secure and files must be protected from access by unauthorized people. The employee’s applications (database inserts and reads) are only accessed with a web browser. Which of the following capabilities is necessary?() SSL。 PGP。 File encryption program。 Public key encryptio。
Evaluate these two SQL statements: SELECT last_name, salary , hire_date FROM EMPLOYEES ORDER BY salary DESC; SELECT last_name, salary, hire_date FROM EMPLOYEES ORDER BY 2 DESC; What is true about them? () The two statements produce identical results.。 The second statement returns a syntax error.。 There is no need to specify DESC because the results are sorted in descending order by default.。 The two statements can be made to produce identical results by adding a column alias for the salary column in the second SQL statement.。
An administrator is applying a corrective service to their HMC. The corrective service has been shipped on 3 DVDs. Which action will ensure the corrective service is correctly installed?()
A banking customer deployed an IBM BladeCenter chassis with one Brocade 8Gb SAN switch module. The customer requires an 8Gb uplink or higher. Which configuration will meet this request?()