What should an administrator do to set up a required role for a user id that will allow it to start/stop WPARs on the server？（）
A. On the desired WPAR：mkrole authorizations=aix.wpar.system newRole setkst -t role chuser roles=newRole default_roles=newRole user1
B. On the global environment：mkrole authorizations=aix.wpar.system newRole setkst -t role chuser roles=newRole default_roles=newRole user1
C. On the desired WPAR：Edit the /etc/security/authorizations file adding：‘newRole authorizations=aix.wpar.system’setkst -t role chuser roles=newRole default_roles=newRole user1
D. On the global environment：Edit the /etc/security/authorizations file adding：‘newRole authorizations=aix.wpar.system’setkst -t role chuser roles=newRole default_roles=newRole user1
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Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25) Which three statements insert a row into the table? （）
A. INSERT INTO employees VALUES (NULL, 'John', 'smith');
B. INSERT INTO employees (first_name, last_name) VALUES ('John', 'smith');
C. INSERT INTO employees VALUES ('1000, 'John', 'smith');
D. INSERT INTO employees (first_name, last_name, employee_id) VALUES (1000, 'John', 'smith');
E. INSERT INTO employees (employee_id) VALUES (1000);
F. INSERT INTO employees ( employee_id, first_name, last_name, ) VALUES (1000, 'John','')
关于临床上食管的解剖分段正确的是（）。
A. 食管分为颈、胸、腹三段
B. 食管分为上、中、下三段
C. 胸上段和胸中段食管分界为主动脉弓平面
D. 颈段食管自食管人口至胸廓入口处
E. 胸中段食管自主动脉弓至肺下静脉平面
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