摘要:2018上半年程序員考試已結(jié)束,以下為2018上半年程序員考試上午真題第七部分,供考生們參考。
61.局域網(wǎng)中某主機(jī)的IP地址為202.,116.1.12/21,該局域網(wǎng)的子網(wǎng)掩碼為( )
A.255.255.255.0
B.255,255.252.0
C.255.255.248.0
D.255.255.240.0
62.如果訪問一個(gè)網(wǎng)站速度很慢,可能有多種原因,但首先應(yīng)該排除的是( )
A.網(wǎng)絡(luò)服務(wù)器忙
B.通信線路忙
C.本地終端感染病毒
D.沒有訪問權(quán)限
63.The term“software ( )” is used to describe the software engineering activities that occur following delivery of a software product to the customer
A. analysis
B. maintenance
C. design
D. implementation
64.( ) testing ensures that a software module operates correctly and reliably.
A. Application B. Integration C. System D. Unit
65.( )refers to the range of computer hardware and OS platforms on which the source code of a program can be compiled and run.
A. Usability B. Portability C. Reliability D. Maintainability
66.A computer ( )is a program that maliciously causes unwanted behavior on a computer
A. software B. application C. virus D. process
67.( )makes computers able to do jobs which till now, only human brains can do.
A. Artificial intelligence
B. Big data
C. Cloud computing
D. Internet of things
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