7/29/2019 BI LUYN TP CHNG 2

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Bi ging: Truyn s liu Chng 2: nim c bn

BI TP CHNG 2

I. Cu hi n tp:

1. Tp mng quan h vi cu hnh ng dy nh th no?

2. nh ngha ba ch truyn dn?

3. Cho bit u im ca cc dng tp mng?

4. u im ca cu hnh a im so vi im - im l g?

5. Cho bit cc yu t c bn nhm xc nh cc h thng thng tin l LAN,MAN hay WAN. (Khong cch gia cc thit b)

6. Hy cho bit hai dng cu hnh ng dy? (im - im v a im)

7. Hy cho bit 5 dng tp mng c bn?

8. Hy phn bit gia quan h ng cp v quan h s cp- th cp?9. Trnh by cc khuyt im ca cc tp mng ?

10. Trnh by cng thc tnh s kt ni cn thit thit lp tp mng dngli?

11. Phn loi 5 dng tp mng c bn theo cu hnh ng dy?

12. Gi s c n thit b trong mng, xc nh s cp kt ni cn thit thit lptp mng dng: li, vng, bus v sao ?

13. Khc bit gia hub trung tm v hub ph l g ? Khc bit gia hub tch cc

v hub th ng l g? Chng quan h vi nhau nh th no?14. Yu t gii hn kch thc mng bus l g? (cc im ni Tap)

15. Trnh by phng php pht hin li v cp ni trong cc tp mng?

16. Kt ni lin mng (internet) l g ? Internet l g?

Bin dch: Nguyn Vit Hng Trang1

7/29/2019 BI LUYN TP CHNG 2

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Bi ging: Truyn s liu Chng 2: nim c bn

II. CU HI TRC NGHIM

1. Hy cho bit tp mng no cn c biu khin trung tm (hub):

a. Li

b. Sao

c. Bus

d. Vng

2. Tp no c cu hnh a im:

a. Li

b. Sao

c. Busd. Vng

3. Cho bit dng kt ni thng tin giabn phm v my tnh l :

a. n cng

b. Bn song cng

c. Song cng

d. T ng

4. Mng c 25 thit b, hy cho bit tpno c kt ni nhiu nht:

a. Li

b. Sao

c. Bus

d. Vng

5. Mng cy l bin th ca mng

a. Lib. Sao

c. Bus

d. Vng

6. Truyn hnh l mt th d v phngthc truyn dn

a. n cng

b. Bn song cng

c. Song cng

d. T ng

7. Cho bit dng tp mng no m khic n thit b, mi thit b cn thit phic (n-1) cng I/O:

a. Li

b. Sao

c. Bus

d. Vng

8. Dng cu hnh ng dy no ktni ch nh (ring) gia hai thit b:

a. im - im

b. Nhiu im

c. S cp

d. Th cp

9. Dng cu hnh ng dy no m cnhiu hn hai thit b chia s ngtruyn.

a. im - im

b. Nhiu im

c. S cp

d. Th cp

10. Ch truyn dn no m dung lngknh truyn c chia s cho 2 thit

b thng tin trong mi thi gian.

a. n cng

b. Bn song cngc. Song cng

d. Tt c sai

11. Nh xut bn MacKenzie Publishing,vi tng hnh dinh t ti London vnhiu vn phng t ti Chu , u,

Nam M, c th c kt ni dngmng:

a. LAN

b. MAN

Bin dch: Nguyn Vit Hng Trang2

7/29/2019 BI LUYN TP CHNG 2

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Bi ging: Truyn s liu Chng 2: nim c bn

c. WAN

d. Tt c u sai

12. Vn phng cng ty A c hai my tnhkt ni vi mt my in, nh th h

dng mng:a. LAN

b. MAN

c. WAN

d. Tt c u sai

13. Cho bit dng tp mng c cu hnhim - im:

a. Li

b. Vng

c. Sao

d. Tt c u ng

14. Dng kt ni no m ng truyn chdng cho hai thit b

a. S cp

b. Th cp

c. Ch nhd. Tt c u sai

15. Trong tp mng li, quan h giamt thit b vi mt thit b khc l:

a. S cp n ng cp

b. ng cp n s cp

c. S cp n th cp

d. ng cp

16. Tp mng no m khi cp t thmng ngng hot ng

a. Li

b. Cy

c. Bus

d. Sao

17. Mt mng dng nhiu hub th c cuhnh dng

a. Li

b. Cy

c. Bus

d. Sao

18. Mng no c tnh ring t v vn bo mt thng tin yu nht:

a. Li

b. Cy

c. Bus

d. Sao

Bin dch: Nguyn Vit Hng Trang3

7/29/2019 BI LUYN TP CHNG 2

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Bi ging: Truyn s liu Chng 2: nim c bn

III. BI TP

1. Gi s c 6 thit b c kt ni theo tp li, cn c bao nhiu kt ni? Mi thit bcn bao nhiu cng I/O? (Xem phn ti liu)

2. Hy xc nh loi tp mng trong hnh 2.1: (Dng Bus)

Hnh 2.1

3. Hy xc nh loi tp mng trong hnh 2.2: Hn hp

Hnh 2.2

4. Hy xc nh loi tp mng trong hnh 2.22: Hn hp

Hnh 2.3

5. Hy xc nh loi tp mng trong hnh 2.23: Cy

Bin dch: Nguyn Vit Hng Trang4

7/29/2019 BI LUYN TP CHNG 2

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Bi ging: Truyn s liu Chng 2: nim c bn

Hnh 2.4

6. Hy xc nh loi tp mng trong hnh 2.24: vng

Hnh 2.5

7. Trong hnh 2.25, Hy xc nh loi tp mng no l dng vng:

Hnh 2.6

8. Trong bn dng mng sau, hy cho bit hu qu nu c 1 kt ni b li: (cn c Tnhbn vng)

a. Nm thit b kt ni theo dng li.

b. Nm thit b kt ni theo dng sao (khng tnh hub).

c. Nm thit b kt ni theo dng bus.

d. Nm thit b kt ni theo dng vng.

9. Hy v mng hn hp c tp mng trc l sao v 3 mng vng (mi vng c 4 thitb).

10. Hy v mng hn hp c trc l mng vng v 2 mng bus. (mi bus c 4 thit b).

11. Hy v mng hn hp c trc l mng bus kt ni vi hai mng trc l mng vng. Mimng vng ni 3 mng sao.

Bin dch: Nguyn Vit Hng Trang5

7/29/2019 BI LUYN TP CHNG 2

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Bi ging: Truyn s liu Chng 2: nim c bn

12. Hy v mng hn hp c trc chnh l mng sao kt ni vi hai mng trc l mng bus.Mi mng bus ni 3 mng vng.

13. Mt mng c 4 thit b, nu ch cn c bn on cp ni, hy cho bit dng mng thchhp nht trong trng hp ny? (Vng)

14. Gi s mun thm hai thit b mi vo trong mt mng hin hu vi 5 thit b, Khi dngmng li th cn bao nhiu kt ni? Khi dng mng vng th cn bao nhiu kt ni?(li : thm 11 kt ni; Vng: thm 2 kt ni)

15. Nm thit b c kt ni theo cu hnh a im, cp ch c th truyn 100 kbps. Nutt c cc thit b u c d liu cn gi, hy cho vit tc trung bnh ca mi mytnh l bao nhiu? (Bus, 20kbps)

16. Khi dng in thoi kt ni vi mt thu bao khc, hy cho bit lc ny l kt ni im- im hay a im? gii thch?

17. Cho bit cc phng thc truyn dn thch hp nht (n cng, bn song cng v song

cng) trong cc trng hp sau:a. My tnh vi mn hnh

b. m thoi gia 2 ngi

c. i truyn hnh

Bin dch: Nguyn Vit Hng Trang6