8/3/2019 De Thi Multi Cuoi Ki

1/2

1. RTP stream l mt lung d liu lin tc cha Audio v Video data (TF) T2. Cc nguyn nhn gy ra Clock Skew l (MS)

a. ng h ca Receiver v Sender chy vi cc tc khc nhau.*b. ng h ca Receive v Sender khng ng b vi nhau.*c. Do Router trung gian trn mng thay i tuyn ca gi RTP.*d. Do mt s gi RTCP SR b mt.

3. Nhn thi gian RTP timestamp th hin gi tr thi gian tuyt i ca Sender cho php Receiver ngb vi Sender (TF) F

4. Muc ch chnh ca RTP sequence number l (MS) :a. Gip xc nh t l mt gi *b. Xc nh thi gian tng i lc to gic. Xc nh thi gian tuyt i lc to gid. Xc nh xem gi c n sai th t hay k.*

5. Giao thc RTP c cc chc nng ca cc lp no trong m hnh OSI (MS):a. Lp mngb. Lp vn chuyn*c. Lp phin*d. Lp trnh by*

6. Khi tham gia mt phin hi tho truyn hnh, mt host pht hin ra SSRC ca n trng vi SSRC ca

mt host khc tham gia phin ny, nhng s kin g s xy ra (MS)a. Master host ca phin s quyt nh host no phi thay i SSRCb. Host mi s gi BYE n tt c cc host cn li*c. Da trn mt qu trnh phn quyt ngu nhin xc nh host no s phi ri phin v thay i

SSRCd. Host mi s tng SSRC ca n ln mt gi tr random trnh xung t m vn khng cn phi

that ra khi phin.7. Trong mt ng dng network Karaoke, cc gi RTP ti mt ngun m nhc i qua mt network mixer

trn mng Internet n cc ng dungj u cui ca khn gi, khi (MS)a. SSRC ca n khng i, CSRC thay ib. C SSRC v CSRC u khng i

c. CSRC ca n khng i, SSRC thay id. C SSRC v CSRC u bin i hoc c tao mi *8. Mt ng dng truyn Audio trn RTP s truyn cc gi audio vi chu k l ? (MS)

a. 200msb. 20ms*c. 40msd. 400ms

9. Mt h thng Video Streaming trn Internet mun h tr thm ngi dng in thoi di ng 3G xem Video trn mobile theo chun 3GPP s cn thm cc phn t sau (MS)

a. Explorer b. Bridge*

c. Translator*d. Transcoder10. S khc nhau gia SSRC v CSRC l (MS)

a. SSRC xut hin n l,cn CSRC i vi nhau thnh nhmb. SSRC di 32 bit, cn CSRC di 64 bitc. SSRC lun c trong gi RTP,cn CSRC th khng phi lc no cng trong gi RTP *d. SSRC di 32 bit, cn CSRC di 16 bit

11. Mc ch ca Playout bufer l (MS)a. Sa li cc gib. Lu cc gi cha gii nn *c. Lu cc mnh d liu gii nn

d. B Jitter*

8/3/2019 De Thi Multi Cuoi Ki

2/2

12. Gi s mt Receiver nhn uc cc mnh 50,52,54 cha trong gi RTP ca mt khung Video MPEG-2loi I sau n nhn c thm mnh 53 trong khi cha hin th khung I.Vy n s thc hin cc thaotc no sau y(MS)

a. N xa mnh nyb. N to ra mt node mi v link mnh ny vo u danh sch lin kt (Linke list)c. N chn mnh 53 vo danh sch lin kt , sau chnh li cc con tr*d. N gii m lun mnh ny v chn vo phn trng cha d liu gii m

13. ng dng c dng RTP v mt ng dng FTP chia s cng mt ng truyn ADSL . Vy c nhng

kh nng no xy ra (MS)a. ng dng RTP khng b nh hng v RTP cuing cp c ch QoS bo v ng dng thi

gian thcb. Khi truyn file ln qua FTP, ng dng RTP s b tng tr,mt gi v jitterc. Router/Modem ADSL s iu chnh hng i u tin gi RTPd. Mt s thit b mng trn ng i s h tr u tin gi RTP cn phn ln th khg

14. S ging nhau chnh gia RTP v TCP l ch c 2 giao thc u nm lp transport (TF) F