String s = Gone with the wind；String t = good ；String k = s + t；
String s = Gone with the wind；String t；t = s[3] + one；
String s = Gone with the wind；String standard = s.toUpperCase（）；
String s = home directory；String t = s - directory；
第1题：
A. Ping sweep
B. Intrusion detection software
C. Port scanner
D. Wireless packet sniffer
第2题：
A.alog
B.telinit
C.sysinit
D.cfgmgr
第3题：
Which of the following statements about testing software with data is (are) true?
Ⅰ.The primary purpose of such testing is to find errors.
Ⅱ.Such testing can demonstrate the existence of errors but cannot demonstrate the absence of errors.
A．Neither
B．I only
C．Ⅱonly
D．Ⅰand Ⅱ
第4题：
Which of the following technologies can detect and fix single bit memory errors?（）
第5题：
Which of the following actions may cause a trigger to be fired?（）
第6题：
A.DROP
B.ALTER
C.DELETE
D.ROLLBACK
第7题：
Which of following statements about testing software with data is (are) true?
Ⅰ.The primary purpose of such testing is to find errors.
Ⅱ.Such testing can demonstrate the existence of errors but can not demonstrate the absence of errors.
A．Neither
B．Ⅰ only
C．Ⅱ only
D．Ⅰ and Ⅱ
第8题：
A. RAID
B. Registered memory
C. SDRAM
D. ECC
第9题：
Which of the following can cause a ribbon on an impact printer to tear?（）
第10题：
Which of the following tools should be used to analyze the placement of file fragments on a mirrored logical volume？（）