单项选择题
Which of the following commands should the administrator run to check if the SMTP services are still active？（）
A. Telnet <Server name>
B. Ping <Server name>
C. net send
D. nbtstat a <Server name>
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Auserrequestsaccesstoanewfileshare.Theadministratoraddstheusertothegroupwiththe appropriateaccess.Theuserisstillunabletoaccesstheshare.Whichofthefollowingactions shouldtheadministratordotoresolvethepermissionsissue？（）
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