TRl/CJNG DH SU" PHAM KY THU AT TPHCM
KHOA CO KHI CHE TAO MAY
B0 MON CO DIEN TET
DE THI G lfA KY HQC KY 2 NAM HQC 2022-2023
Mon: IoT trong linh v\rc Ca Dien Tii
Ma mon h<?c: IoTM337629
De so/Ma de: 1 De thi co 4 trang
Thai gian: 60 phut.
Dupe phep su dung tai lipu.
SV lam bai true tiep tren de thi va nyp lai de.
Cac cau hoi lien quan den phln so lieu phai trinh bay each tinh
Chu ky giam thi 1 Chu ky giam thi 2
M
Diem va chir ky
CB cham thi thu nhat CB cham thi thu hai
H9 va ten:
........................................................................
M3 so SV:
........................................................................
So TT:
........................
Phong thi:
...................................
Cau 1: (1/10)________________________________________________________________________________________
Toe do truyen cua mot kenh truyen dan la 12 Kbps. Chung ta muon truyen 200 ky tu, moi ky tu dupe ma hoa theo
ASCII 8 bit.
a. Xac dinh so bit du lieu trong truang hop truyen du li?u noi tiep bat dong bo, 1 start bit, 1 stop bit, none parity.
b. Thai gian can thiet de truyen 200 ky tu ra ngoai vi trong truang hap truyen du lieu noi tiep dong bo.
Cau 2: (0.5/10)
Mot thiet bi truyen du lieu vai toe do truyen 19200 bps.
Chuoi bit
Tin hieu diryc
ma h6a theo pp
Manchester
Ve bieu d6 tin hieu khi thiet bi truyen chuoi bit “01101011”, biSt
rang tin hieu dupe ma hoa theo phuang phap Manchester?
Cau 3: (1/10)
Tin hieu tren mot cap truyen din nhu sau:
+45 V
-39V -2W
-+t -45 V
-25V 520m:
wr
^20ms 520ps '
Moi tnrang truyen dan
Tren doan AB tin hieu khuech dai/suy giam?.
bao nhieu dB?.......................................................
Tren doan AC khuech dai/suy giam?
..............
bao nhieu dB?
.......................................................
So hieu: BM3/QT-PDT-RDTV/02 Lan soat xet: 02 Ngay hieu lire: 15/5/2020 Trang: 1/4
Cau 4: (0.5/10)____________________________________________________________
________
_____________
Mot mang truyen thong co 6 nut m ang dugc cau true theo kieu mesh. Co bao nhieu doan ndi (m6i n6i cac nut
trong mang)?
Kieu ket noi va cau true mang:
Trong hinh nay, kieu ket noi la gi? SLAVE 1
Trong hinh nay, kieu ket noi la gi?
Cau true mang theo kieu gi
Terminator
F ie l d b u s i n s t r u m e n t
F i e l d b u s i n s t r u m e n t
F ie l d b u s in s t r u m e n t F ie l d b u s in s tr u m e n t
Trong hinh nay, cau true mang theo kieu gi
Cau 6: (1/10)______________________________________________________________________
Cho chuoi du li^u: 10111101
a. Tim gia tri cua parity bit, neu phuong phap kiem tra la chan?
b. Xac djnh gia tri CRC (FCS), neu phuong phap kiem tra la CRC va da thuc sinh la X3 + x + 1.
S6 hieu: BM3/QT-PDT-RDTV/02 Lan soat xet: 02 Ngay hieu luc: 15/5/2020 Trang: 2/4
Cau 7: (1/10)
_____________________________
_
__________
__________________________
Liet ke cac lap trong mo hinh phan lap OSI? Van de kiem tra loi du lifu (vl du CRC) dugc thuc hi^n d lap nao?
Giao thirc MQTT dugc thuc hien g lap nao?
Cau 8: (1/10) __________________________
________
________________________________
Co bao nhieu loai (version) trong mang CAN? Do la gi? Su khac biet ca ban cua cac version?
Cau 9: (1/10)
_______________________________
Liet ke cac phuang thuc truy cap mang ma ban biet?. Phuang thirc truy cap mang nao dugc sir dung trong mang
CAN?
Cau 10: (1/10)_____________________________________________________________________________
___
Trong Modbus master, Function code cua lenh Read Holding Registers co gia tri la bao nhieu?
...........................
?
Phuang phap kiem tra nao dugc su dyng trong giao thuc nay?
.......................................................
Liet ke cac thanh phan va trinh bay ngan ggn chirc nang cua cac thanh phan trong mgt he thong IoT?
S6 hieu: BM3/QT-PDT-RDTV/02 Lan soat xet: 02 Ngay hieu luc: 15/5/2020 Trang: 3/4
Ghi chu:Cdn bo coi thi khdns duac gidi thick de thi.
Chuan dau ra ciia hoc phan (ve kien thuc) Noi dung kiem tra
[PI7.1], PI [8.2]: Co kien there va kha nang viet thuat toan (giao thuc)
trong truyen du lieu.
Cau 6, Cau 10
[PI8.1]: Co kha nang phan txch lira chpn thiCt bi a lop vat ly cua cac thiSt
bi truyen dir lieu
Cau 1, Cau 2, cau 3, cau 4, cau 5
[PI8.2]: Co kha nang thiet ke mot mang truyen thong Cau 7, cau 8, cau 9, cau 10, cau 11
Ngay 6 thang 6 nam 2023
Thong qua bo mon
Lan
S6 hieu: BM3/QT-PDT-RDTV/02 soat xet: 02 Ngay hieu luc: 15/5/2020 Trang: 4/4