A. The Work Item is not eligible for Purge.
B. The Work Item is eligible for a Permanent purge.
C. The Work Item is eligible for a Temporary purge.
D. The Work Item is not complete because it still has "Open" Notification.
E. The Work Item is eligible for both Temporary and Permanent purge.
第1题:
以下程序段的输出结果为( )。 int j=2 switch (j){ Case 2: system.out.print("two."): Case 2+1: System.out.println("three."); break: default: System.out.println (“value is”+j): Break }A.B.two
A.two.three.
B.two
C.three
D.value is 2
第2题:
About ________ of the workers in the factory were born in the ________.
A.two-thirds, 1970 B.two-thirds, 1970s C.two-third,1970 D.two-third, 1970s
第3题:
在有N个缓冲区的生产者消费者的问题中,下列叙述中哪些是错误的?producer() { int item; while(TRUE) { item = produce_item(); P(empty); P(mutex); insert_item(item); V(mutex) V(full); } } consumer() { int item; while(TRUE) { P(full); P(mutex); item = remove_item(); V(mutex); V(mutex); consume_item(item); } }
A.信号量empty的初值为N
B.信号量full的初值为0
C.信号量mutex的初值为0
D.P(full)和P(mutex)两条语句可以颠倒顺序
E.V(mutex)和V(mutex)两条语句可以颠倒顺序
第4题:
A.ping
B.Telnet
C.FTP
D.TCP
E.IP
第5题:
12. About_______ of the workers in the factory were born in the __________.
A. two- thirds;1970
B. two- thirds ; 1970s
C. two-third ; 1970
D. two-third ; 1970s