|
|
???2016?????????????
???????????????01???
???????
??????
1.???????????????????????????
A.?????
B.?????
C.?????
D.?????
2.???????????????????????
A.?????
B.??????
C.CPU????
D.??????
3.????????????????????????????
A.??
B.???
C.????
D.????
4.???????????????????????????????????????
A.?????
B.?????
C.????
D.????
5.???????????????????????
A.????
B.????
C.??????
D.??????
6.???????????????????????
A.??
B.?????
C.???
D.??
7.????????????????????????????????????????????????????????????
A.????
B.????
C.????
D.????
8.UNIX??????fork()??????????????????????????????????????????????????????main()
{
pid_t pid;
pid = fork();
if (pid = = 0) printf ("Hello World
");
else if (pid > 0) printf ("Hello World
");
else printf ("Hello World
");
}
A.?????
B.1?Hello World
C.2?Hello World
D.3?Hello World
9.?Pthread?????????pthread_join????
A.????????
B.??????
C.???????????
D.????????
10.??????????????????????
A.????????????
B.?????????????????????
C.????????????????
D.????????????????
11.???????????????????
A.????????????
B.????????
C.?????????????
D.???????????
12.?P?V?????????????mutex??????1???k?k?1?????mutex??????????????
A.k
B.k-1
C.1-k
D.-k
13.?????????????????????????????????B????????????A???????A??????B????????
count.A//????A????
count.B//????B????
{
?
P(count.A);
select_course(A);
relese_course(B);
V(count.B);
?
}
????????????????A?????B????
A.???
B.????
C.???
D.??????
14.????????????????????????
A.????
B.????
C.??
D.????
15.????????????????????????????????????????????????????????????????
A.??????????????
B.??????????????
C.?????????????????
D.??????????????????
16.???????????????????????2GB????
???2015?3??????????????12???(???)
???????????????12???
1.??????????????????
A) ??????????-??? B) ?????????????? C) ?????????????? D) MAC???IP???????
2.???????3.51012
bps??????
A) 3.5Kbps B) 3.5Mbps C) 3.5Gbps D) 3.5Tbps
3.??????????????????
A) ?????????????? B) ?????????????? C) ?????????????? D) ??????????????
4.????Ethernet?????????
A) ??????????? B) ????????Ethernet? C) ?????????CSMA/CD D) ??????????????
5.IEEE 802.3u??????????
A) 10Mbps B) 20Mbps C) 54Mbps D) 100Mbps
6.?????????????????????
A) ???? B) ????
C) ???? D) ????
7.?????????????????
A) ???????? B) ????IP???? C) ?????????? D) ???????IP??
8.??IEEE 802.3ae?????????
A) ????????
B) ?????????? C) ??????????? D) ???????????
9.????????????????
A) ??????????? B) ??????????? C) ??????????? D) ???????????
10.??Internet?????????
A) ???????Internet???? B) Internet?????????? C) ??????????? D) IP?Internet???????
11.ADSL??????????
A) ???? B) ?????? C) WiFi?? D) 3G??
12.????????????????????????????????????A?IP???????
A) 10.0.0.10 B) 11.0.0.10 C) 11.0.0.20 D) 12.0.0.20
13.???????ARP??????
A) ????????????????? B) ????????????????? C) ???????????? D) ????????????
14.?IPv4?????????????IP???????????????????????????
A) ???? B) ??? C) ????? D) ?????
15.????????P2P???????????
A) ??????????? B) ?????????? C) ?????DHT???? D) ???????????
16.??Internet?????????????
A) ???????????????? B) ????????????????? C) ??????????????? D) ??????????????
17.?FTP??????PASV??????
A) ?????????????? B) ??????????? C) ?????????? D) ????????????
18.IE????Internet???Internet?????Intranet??????????????????????
A) ???????? B) ???????? C) ????????
D) ????????????
19.???????????????????
A) HTTP B) SMTP C) SNMP D) Telnet
20.??IM?????????????
A) ???Mirabils???? B) ???IEEE????
C) ??IM????????? D) RFC2778???IM?????
21.??IM???????????????????
A) ????????
B) ??????????? C) ??????????? D) ????????????
22.??QQ???????????
A) ????????????? B) ?????????
C) QQ???????????TCP?? D) ????????
23.??XMPP???????????
A) ?3?RFC???? B) ?????RFC3922 C) ??HTML???? D) ??E-mail????
24.??P2P?????????????
A) Tracker??????????? B) ??????P2P???? C) ?????????
D) eDonkey 2000????Napster
25.?????????????
A) ?????? B) ?????? C) ?????? D) ??????
26.???????????????
A) ????????? B) ???????
C) ????????????? D) ???????????
27.???????????????
A) ????????? B) ??????
C) ??????????? D) ??????
28.?????????????????
A) ??????????? B) ??????
C) ??????????? D) ????????????
29.??C2??????????????
A) ??????? B) ?????C1
C) ?????????? D) ????????
30.??DES???????????
A) ?ISO??
B) ?????56? C) ?????128? D) ?????????
31.????????????????????????
A) ??????????? B) ????????????? C) ????????????? D) ???????????
32.????????????????"???"??
A) ?????????????????? B) ??????????????????
C) ??????????????????????D) ??????????????????????
33.??????????????
A) ???????? B) ????? C) ??????? D) ?????
34.???? CPU ????????????????????????
A) ?????????
B) ?????????????? C) ???????????
D) ?????????????????????
35.?????????????????????????????????????????????
A) ??????????????????????????
B) ??????????????????????????
C) ?????????????????????????
D) ?????????????????????????
36.??????PCB????????????????????????????????????
A) ???? B) ???? C) ??? D) ?????
37.?4?????????????50??????????????????????
A) 4 B) 50 C) 1 D) 0
38.????????????????????????????????
A) ??PCB???PCB??????? B) ??PCB???PCB??????? C) ??PCB????????PCB D) ???????PCB???PCB
39.????C???? int main()
{
pid_t pid; int a=1; pid = fork(); if(pid==0)
printf("This is the son process, a=%d
", ++a); else
printf("This is the dad process, a=%d
", --a); }
?UNIX???????????????????
A) This is the son process, a=2 This is the dad process, a=0 B) This is the son process, a=2 C) This is the dad process, a=0 D) This is the dad process, a=2 This is the son process, a=0
40.????C???? void *th_f(void * arg) {
printf("Hello World"); pthread_exit(0); }
int main(void) {
pthread_t tid; int st;
st = pthread_create(&tid, NULL, th_f, NULL); if(st==0)
printf("Oops, I can not createthread
"); exit(NULL); }
???????pthread_create????
A) ?????????th_f B) ?????????tid
C) ?????????st D) ?????????NULL
41.???????????????????????????????????
A) ????????????????????? B) ?????????????????????? C) ??????????????????????????
D) ????????????????????????
42.???????????????????????????????????????????????????????????????????????
int booking(id) //???? { int c;
while TS(&lock); //Test-and-Set?? c=fetch(ticket); //????????? show(c); //??
if (read(input)=1) //????? {
c=c-1; //???1 send(c); //????? }
lock = FALSE; //????F output(list); //???? }
A) ????????????? B) ????????????? C) ????????????? D) ?????????????
43.?????????????????????????????????
A) ????????????????? B) ????????????? C) ??????????? D) ????????????
44.???????????????????????
A) ?? B) ?? C) ?? D) ???
45.?????????????????????????????????
A) ???????????FIFO? B) ?????????????LRU? C) ?????????????LFU? D) ?????????OPT?
46.????????????????2??????????????8????????????????????
A) 256 B) 1024 C) 32768 D) 65536
47.?????????????????1KB??????256MB????????512MB??????????????????????
A) 218
B) 219
C) 228
D) 229
48.????????????????????LRU?
???2016???????????????
2016???????????????
????????????????????????????????????????90?????????????????????????????????????????!
?????
1.IEEE802.11??????????????????? ??????????????????????????????????????????????????
A)Roaming B)Ad Hoc C)Infrastructure D)DiffuselR
2.IEEE802.11??????????????????????????(DSSS)?????(FHSS)?????????????? ?ISM???
A)600MH B)800MHz C)2.4GHz D)19.2GHz
3.?????IEEE802.1la????????????? ?
A)1Mbps B)2Mbps C)5.5Mbps D)54Mbps
4.??????????????????? ?
A)????????????????????????????????????????????????????????
B)????????????????????????????
C)??????????????????????????????
D)??????????802.11?802.16????
5.???????????????????? ?
A)???????????????????????
B)??????????????????????????????
C)SSID??????? D)????????IP???10.0.0.1
6.????????????????????? ?
A)????????????????????????????????????????????????????????
B)??????????????PC?????????????2016????
???????????2016????????????????
C)??????????????????????????????????????????
D)????????????????????????
7.????IEEE 802.11b????? ?
A)??????????? B)?????????????
C)????????
D)????????????????????????????????????????
8. ????????????????????????? ?
A)??????????????? B)????69
C)???????1Mbps D)????????????/????
9.???????????????????????? ?
?
A)?????????????????(SSID) B)???????DHCP??????????????????IP?? C)????????PC???????????????????? D)SMTP????????? 10. ????????????????????????????? ? A)DHCP????? B)??????PC???????????????????C)????????????????? D)SNMP??????SNMP???? 11.????IEEE 802.11b???????? ? A)????????????????????????? B)?????????????????????? C)????????????????????????
D)???????????????????? 12.?????????? ? A)1500?/s B)1600?/s C)1700?/s D)1800?/s 13.IEEE802.11b??????? ? A)5~7Mbps B)10~2Mbps C)28~31Mbps D)31Mbps?? 14.????????????????????????????????? ? A)???AP?????? B)???AP?????? C)???AP???????? D)???AP???????? 15.?????? ???????????????????????????? A)???? B)???? C)????? D)????
?????
?2017???????????????(???)????????
?????http://www.850500.com/news/67265.html
?????,??! |
|