下列表述中，符合营业税规定的有()。

删除用户账号命令是()

A.DROP USER

B.DROP TABLE USER

C.DELETE USER

D.DELETE FROM USER

e _________.

es thewireless speed reported by the laptop to be 1Mbps.Which of the following is the MOST likely cause of this issue？（）

A. The client does not support 802.11n

B. Incorrect frequency on the client is being used

C. Incorrect encryption on the AP

D. The client distance from the AP

indows XP Professional.A user reports that she attempted to log on six times unsuccessfully. She reports that she logged on successfully yesterday. You discover that the user reset her password three days ago to comply with a new security policy that requires strong passwords.The account policies that are applied in the Domain Security Group Policy object (GPO) as shown in the following table.You need to ensure that the user can log on to the domain.What should you do？（）

A. Reset the password for the computer account.

B. Unlock the user account.

C. In the user account properties, select the Password never expires check box for the user account.

D. In the user account properties, select the User must change password on next logon check box for the user account.

Light pollution threatens to prevent those wonderful sights _________being seen.

A、from

B、for

C、against

D、/

A. The network cable is disconnected

B. The PS/2 connectors are switched

C. The USB connectors are switched

D. The hard drive is unplugged

omain named All client computers run Windows XP Professional.Tess, a user in the Sales staff, reports that she has attempted to log on six times unsuccessfully. Tess reports that she logged on successfully yesterday. You discover that Tess reset her password three days ago to comply with a new security policy that requires strong passwords.The account policies that are applied in the Domain Security GPO are shown in the following table.You need to ensure that the user can log on to the domain.What should you do？（）

A. Reset the password for the computer account.

B. Unlock the user account.

C. In the user account properties, select the Password never expires check box the user account.

D. In the user account properties, select the User must change password on next login check box the user account.

A．A.standardized tests

B．B.statistical reports

C．C.personal observation

D．D.written reports

E．E.oral reports

A.The SSID broadcast is disabled.

B.Wireless router is improperly configured.

C.The user is connecting to the wrong SSID

D.The wireless NIC is defective.

_____.

A.you first start to receive fuel

B.hoses are being blown down

C.final topping off is occurring

D.hoses are being disconnected