以下哪个公式为计算活动历史提供了最精确的结果（）？

A、AD=工作数量/生产速率

B、AD=工作数量/资源的数量

C、AD=工作数量/工作数量

D、AD=（生产速率×工作数量）/资源的数量

Which configuration command places interfaces whose IP addresses are between 192.168.0.0 and 192.168.255.255 into OSPF area 0?（）

A、 A

B、 B

C、 C

D、 D

The following commands are available in the Linux binary distributions of Mysql: Mysqld Mysqld_safe Mysql.server What is the correct description of each of these commands?（）

A、 A

B、 B

C、 C

D、 D

国家支持企业、研究机构、高等学校、网络相关行业组织参与网络安全国家标准、（）的制定。

A、 行业标准

B、 行业

C、 行业准则

D、 标准

The validate_password plugin is loaded and displays the following settings in global variables: Mysql＞ SHOW VARIABLES LIKE ‘validate_password%’; When attempting to set your password, you get the following error: Mysql＞ SET PASSWORD = PASSWORD (‘Hoverl@%’); ERROR 1819 (HY000): Your password does not satisfy the current policy requirements What is the cause of the error?（）

A、 The password is eight characters long, but needs to exceed validate_password_length to be valid

B、 All of the MEDIUM password policy requirements have not been honored

C、 The password matches a substring Hover as a dictionary word

D、 The password does not match the validate_passoword_number_count requirement

E、 There is no dictionary file defined, so password validation cannot work as expected

Click the Exhibit button. In the exhibit, you decided to change myHosts addresses.What will happen to the new sessions matching the policy and in-progress sessions that had already matched the policy?（）

A、 New sessions will be evaluated. In-progress sessions will be re-evaluated.

B、 New sessions will be evaluated. All in-progress sessions will continue.

C、 New sessions will be evaluated. All in-progress sessions will be dropped.

D、 New sessions will halt until all in-progress sessions are re-evaluated. In-progress sessions will be re-evaluated.