Which three methods， inserted individually at line 14， will correctly complete class Two？（）
A. int foo（）{/* more code here */}
B. void foo（）{/* more code here */}
C. public void foo（）{/* more code here */}
D. private void foo（）{/* more code here */}
E. protected void foo（）{/* more code here */}
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Given： What is the result？（）
A. Compilation fails.
B. An exception is thrown at runtime.
C. doStuff x = 6 main x = 6
D. doStuff x = 5 main x = 5
E. doStuff x = 5 main x = 6
What two are features of the Cisco Unified CallManager Express QCT?（）
A. autodetection of Cisco router components
B. automatic download of system parameters from central site
C. standards-based autoconfiguration using SIP and SCCP
D. support for barcode-scanned input of IP-phone MAC addresses and phone types
E. automatic identification of phone types and MAC addresses upon booting the Cisco Unified CallManager Express router
ClicktheExhibitbuttonandexaminethedatafromtheORDERSandCUSTOMERStables. EvaluatetheSQLstatement: SELECT* FROMorders WHEREcust_id=(SELECTcust_id FROMcustomers WHEREcust_name='Smith'); Whatistheresultwhenthequeryisexecuted?（）
A
B
C
D
E
What is the result？（）
A. 13
B. 134
C. 1234
D. 2134
E. 2143
F. 4321
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