Solved MCQs CS601 Lec1101

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MCQS of Cs601 ( lecture No. 01 to 10 ) Attention: Material on Vulhr.com is Legally Copyrighted under Pakistan Law. Pulishing it in any way is illegal and will e a Police Case. Question # 1 !ata communication is the e"change o# in#ormation one entity to other using a $ransmission%%%%%%%%%. 1) : Protocol 2) : Medium 3) : &ignal 4) : 'll the aoe Correct Option :  From : Lecture 1 Question # 2 $he %%%%%%% is the physical path oer which a message traels. traels. 1) : Protoco 2) : Medium 3) : &ignal 4) : 'll the aoe Correct Option :  From : Lecture 1 Question # 3 $he in#ormation to e communicated in a data communications system is the %%%%%%%. 1) : Medium 2) : Protocol 3) : Message 4) : $ransmission Correct Option : * From : Lecture 1 Question # 4 Medium twisted wire hae speed to trans#orm the in#ormation %%%%%%%%%%% 1) : *00ps+10Mps 2) : ,-ps+100Mps 3) : ,-ps+00Mps 4) : ,00ps+10/ps Correct Option : 1 From : Lecture 1 Question # 5 Medium Microwae hae speed to trans#orm the in#ormation %%%%%%%%%%% 1) : *00ps+10Mps 2) : ,-ps+100Mps 3) : ,-ps+00Mps 4) : ,00ps+10/ps Correct Option :  From : Lecture 1 Question # 6

Medium Coa"ial Cale hae speed to trans#orm the in#ormation %%%%%%%%%%% 1) : *00ps+10Mps 2) : ,-ps+100Mps 3) : ,-ps+00Mps 4) : ,00ps+10/ps Correct Option : * From : Lecture 1 Question #  Medium ier ptic Cale hae speed to trans#orm the in#ormation %%%%%%%%%%% 1) : *00ps+10Mps 2) : ,-ps+100Mps 3) : ,-ps+00Mps 4) : ,00ps+10/ps Correct Option : 2 From : Lecture 1 Question # ! ' set o# rules that goern on the #low o# !ata3in#ormation in a communication &ystem is called%%%%%%%%%%%%%% 1) : Protocol 2) : Medium 3) : &ignal 4) : 4ing Correct Option : 1 From : Lecture 1 Question # "  %%%%%%%is a Communication Communication dialog etween network network users or applications. applications. 1) : &ession 2) : Node 3) : Protocol 4) : Medium Correct Option : 1 From : Lecture 1 Question # 10 $wo $wo or more deices connecting to each other to e"change the in#ormation is called  %%%%%%%%%%%%%%%%%% 1) : &ession 2) : Node 3) : Network 4) : Medium Correct Option : * From : Lecture 1 Question # 11 5n a network each attached deice is called %%%%%%% 1) : &ession 2) : Node 3) : Network 4) : Medium Correct Option :  From :

Lecture 1

Question # 12 Mail serices are aailale to network users through the %%%%%%% layer. layer. 1) : !ata link 2) : Physical

3) : 'pplication 4) : $ransport Correct Option :

*

From :

Lecture 10

Question # 13 6hich o# the #ollowing is an application layer serice7 1) : 4emote log+in 2) : ile trans#er and access 3) : Mail serice 4) : 'll the aoe Correct Option : 2 From :

Lecture 10

Question # 14 $he physical communication pathway that trans#ers data #rom one deice to another is called  %%%%%%%%%%%%%% 1) : Link 2) : Path 3) : Circuit 4) : 4outing Correct Option : 1 From : Lecture 2 Question # 15 8nd to 8nd rout 6ithin a Network is called %%%%%%%% 1) : Link 2) : Path 3) : Circuit 4) : 4outing Correct Option :  From :

Lecture 2

Question # 16 5n the original '4P'N8$9 %%%%%%% were directly connected together. 1) : 5MPs 2) : host computers 3) : networks 4) : routers Correct Option : 1 From : Lecture 2 Question # 1 $his was the #irst network. 1) : C&N8$ 2) : 'N&N8$ 3) : '4P'N8$ 4) : N&N8$ Correct Option : *

From :

Lecture 2

Question # 1! 6ell !esigned &o#twae can speed up the Process 1) : $4:8 2) : 'L&8 3) : 4) : Correct Option : 1 From :

Lecture 2

Question # 1" $here are , actors on which per#ormance depend. Chose one set 1) : Numer o# :sers9 medium type9 ;ardware9 so#tware and Network criteria 2) : Numer o# :sers9Nodes9 ;ardware9 so#tware and Network criteria 3) : Numer o# :sers9Nodes9 ;ardware9 so#tware and Network 4) : None o# the /ien Correct Option : 1 From : Lecture 2 Question # 20 re
Lecture 2

Question # 22 8"ample o# the Network application #or $elecon#erencing is %%%%%%% 1) : Con#erenc 2) : Video 3) : Video Con#erencing 4) : None o# the /ien Correct Option : * From : Lecture 2 Question # 23 $he complete path etween two terminals oer which can communicate is called %%%%%% 1) : Link 2) : path 3) : Circuit 4) : routing Correct Option : * From : Lecture 2 Question # 24 Node can e a computer9 printer or any other deice capale o# sending or receiing. 1) : $4:8 2) : 'L&8 3) : 4) : Correct Option : 1 From : Lecture 2 Question # 25 ne 'dantages o# the !istriuted processing is %%%%%%% 1) : Collaoratie Processing 2) : Multitasking

3) : Network 4) : ast and Costly Correct Option : 1

From :

Lecture 2

Question # 26 $he oundary etween two pieces i# e
Lecture 3

Question # 32 6hen data should e sent and how #ast it e sent is decided y%%%%%%%% 1) : &emantic 2) : $uning 3) : &ignals 4) : &ynta" Correct Option :  From : Lecture 3 Question # 33  %%%%%%% re#ers to two characteristics> when data should e sent and how #ast it can e sent. 1) : &emantics 2) : &ynta" 3) : $iming 4) : None o# the aoe Correct Option : * From : Lecture 3 Question # 34 $here are two Main type o# &tandards%%%%%%%% 1) : !e #acto and !e Law 2) : !e #acto and !e ?ure 3) : Proprietary and !e acto 4) : No Proprietary and Proprietary Correct Option :  From :

Lecture 4

Question # 35 No Proprietary and Proprietary are sutype o# %%%%%% 1) : pen 2) : !e Law 3) : !e @ure 4) : !e acto Correct Option : 2 From :

Lecture 4

Question # 36 &tandards are deeloped mainly ye %%%%%%%%%% entities> 1) : 2) : 2 3) : * 4) :  Correct Option : * From : Lecture 4 Question # 3 $here are %%%%%%%% and they are slow moing and cannot co+op with the #ast growing communication industry. 1) : Procedural Aodies 2) : Many Propels 3) : &ome 8ngineers 4) : Many 8ngineers Correct Option : 1 From : Lecture 4 Question # 3! 5nternational standard rgani=ation includes representaties #rom %%%%% countries 1) : B 2) : 1,0

3) : B* 4) : -B Correct Option :

1

From :

Lecture 4

Question # 3" V series9  &eries and 5&!N (integrated &erices !igital Network) are !e#ined ay %%%%%% 1) : 5& 2) : 5$:+$ 3) : CC5$$ 4) : 'N&5 Correct Option :  From : Lecture 4 Question # 40  %%% sumits Proposal to 5$:+$ 1) : :&' 2) : 5& 3) : 5888 4) : 'N&5 Correct Option : 2

From :

Lecture 4

%%%%%% 5s the 6orld largest society o# pro#essional engineers. 1) : :&' 2) : 5& 3) : 4) : Question # 41 Correct Option : * From : Lecture 4 Question # 42 5888 is stand #or %%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1) : 5nternational 8lectrical and 8lectronics 8ngineers 2) : 5nternational 8lectrically and 8lectronics 8ngineers 3) : 5nternational 8ducated 8lectrically 8ngineers 4) : None o# the /ien Correct Option : 1 From : Lecture 4 Question # 43  %%%%%re#er to the way two or more deices attach to a link 1) : Protocol 2) : Medium 3) : Line Con#iguration 4) : $ransmission Correct Option : * From : Lecture 4 Question # 44 ' %%%%%%% connection proides a dedicated link etween two deices. 1) : point+to+point 2) : multipoint 3) : primary 4) : secondary Correct Option : 1 From : Lecture 4 Question # 45

5n a %%%%%%% connection9 more than two deices can share a single link. 1) : point+to+point 2) : multipoint 3) : primary 4) : secondary Correct Option :  From : Lecture 4 Question # 46 5n a %%%%%% connection9 two and only two deices are connected y a dedicated link. 1) : multipoint 2) : point+to+point 3) : ( and ( 4) : None o# the aoe Correct Option :  From : Lecture 4 Question # 4 5n a %%%%%%%% connection9 three or more deices share a link. 1) : multipoint 2) : point+to+point 3) : ( and ( 4) : None o# the aoe Correct Option : 1 From : Lecture 4 Question # 4! 5# seeral deices can share the link simultaneously9 its called spatially shared %%%%%%% 1) : &patial &hared 2) : $emporal &hared 3) : point+to+point 4) : multipoint Correct Option : 1 From : Lecture 4 Question # 4" 5# user must take turns using the link9 then itDs called %%%%%%%%%%%%%%%%%%% 1) : &patial &hared 2) : $emporal &hared 3) : point+to+point 4) : multipoint Correct Option :  From : Lecture 4 Question # 50 6hich topology re
Lecture 5

Correct Option :

*

From :

Lecture 5

Question # 52  %%%%%%%%%%%de#ines the physical or the logical outlook o# the network. 1) : $ypology 2) : &tar 3) : Aus 4) : 4ing Correct Option : 1 From : Lecture 5 Question # 53  %%%%%% re#ers to the physical or logical arrangement o# a network. 1) : !ata #low 2) : Mode o# operation 3) : $opology 4) : None o# the aoe Correct Option : * From : Lecture 5 Question # 54 !eices may e arranged in a %%%%% topology. 1) : Mesh 2) : 4ing 3) : Aus 4) : 'll o# the aoe Correct Option : 2 From :

Lecture 5

Question # 55 Communication etween a computer and a keyoard inoles %%%%%%%%%%%%%% transmission. 1) : simple" 2) : hal#+duple" 3) : #ull+duple" 4) : automatic Correct Option : 1 From : Lecture 6 Question # 56 ' teleision roadcast is an e"ample o# %%%%%%% transmission. 1) : simple" 2) : hal#+duple" 3) : #ull+duple" 4) : automatic Correct Option : 1 From : Lecture 6 Question # 5 5n %%%%%%% transmission9 the channel capacity is shared y oth communicating deices at all times. 1) : simple" 2) : hal#+duple" 3) : #ull+duple" 4) : hal#+simple" Correct Option : * From : Lecture 6 Question # 5! !ata #low etween two deices can occur in a %%%%%%% way.

1) : simple" 2) : hal#+duple" 3) : #ull+duple" 4) : all o# the aoe Correct Option : 2

From :

Lecture 6

Question # 5" ' %%%%%%% is a data communication system within a uilding9 plant9 or campus9 or etween neary uildings. 1) : M'N 2) : L'N 3) : 6'N 4) : None o# the aoe Correct Option :  From : Lecture 6 Question # 60 ' %%%%%% is a data communication system spanning states9 countries9 or the whole world. 1) : M'N 2) : L'N 3) : 6'N 4) : None o# the aoe Correct Option : * From : Lecture 6 Question # 61  %%%%%%%% is a collection o# many separate networks. 1) : ' 6'N 2) : 'n internet 3) : ' L'N 4) : None o# the aoe Correct Option : 1 From :

Lecture 6

Question # 62 $here are %%%%%%%%%%%%%% 5nternet serice proiders. 1) : Local 2) : 4egional 3) : National and international 4) : 'll o# the aoe Correct Option : * From : Lecture 6 Question # 63 ' %%%%%%%% is a set o# rules that goerns data communication. 1) : orum 2) : Protocol 3) : &tandard 4) : None o# the aoe Correct Option :  From : Lecture 6 Question # 64  %%%%%%%% is an idea or concept that is a precursor to an 5nternet standard. 1) : 4C 2) : 4C 3) : 5! 4) : None o# the aoe

Correct Option :



From :

Lecture 6

Question # 65 $he %%%%%%% layer changes its into electromagnetic signals. 1) : Physical 2) : $ransport 3) : None o# the aoe 4) : !ata link Correct Option : 1 From : Lecture  Question # 66 $he physical layer is concerned with the transmission o# %%%%%%% oer the physical medium. 1) : Programs 2) : Protocols 3) : Aits 4) : !ialogs Correct Option : * From : Lecture  Question # 6 6hich layer #unctions as a liaison etween user support layers and network support layers7 1) : Network layer 2) : $ransport layer 3) : Physical layer 4) : 'pplication layer Correct Option : * From : Lecture  Question # 6! $he 5nternet model consists o# %%%%%%% layers. 1) : $hree 2) : ie 3) : &een 4) : 8ight Correct Option :  From :

Lecture 

Question # 6" $he %%%%%%% layer is the layer closest to the transmission medium. 1) : Network 2) : Physical 3) : !ata link 4) : $ransport Correct Option :  From : Lecture  Question # 0 $he %%%%%%% layer lies etween the network layer and the application layer. 1) : !ata link 2) : Physical 3) : $ransport 4) : None o# the aoe Correct Option : * From : Lecture ! Question # 1 Layer  lies etween the physical layer and the %%%%%%% layer. 1) : !ata link

2) : Network 3) : $ransport 4) : None o# the aoe Correct Option : 

From :

Lecture !

Question # 2 's the data packet moes #rom the lower to the upper layers9 headers are %%%%%%%. 1) : 'dded 2) : 4earranged 3) : Modi#ied 4) : &utracted Correct Option : 2 From : Lecture " Question # 3 's the data packet moes #rom the upper to the lower layers9 headers are %%%%%%%. 1) : 4emoed 2) : 'dded 3) : 4earranged 4) : Modi#ied Correct Option : * From : Lecture " Question # 4 6hen data are transmitted #rom deice ' to deice A9 the header #rom 'Es layer 2 is read y AEs %%%%%%% layer. 1) : Physical 2) : 'pplication 3) : $ransport 4) : None o# the aoe Correct Option : * From : Lecture " Question # 5 6hat is the main #unction o# the transport layer7 1) : Process+to+process deliery 2) : Node+to+node deliery 3) : &ynchroni=ation 4) : :pdating and maintenance o# routing tales Correct Option : 1 From :

Lecture "

Question # 6 $he process+to+process deliery o# the entire message is the responsiility o# the %%%%%%% layer. 1) : Physical 2) : Network 3) : $ransport 4) : 'pplication Correct Option : * From : Lecture "

(11+ ) Attention: Material on Vulhr.com is Legally Copyrighted under Pakistan Law. Pulishing it in any way is illegal and will e a Police Case. Question # 1 Ae#ore data can e transmitted9 they must e trans#ormed to %%%%%%%%. 1) : periodic signals 2) : electromagnetic signals 3) : aperiodic signals 4) : low+#re
From :

Lecture 11

Question # 5 5# the ma"imum amplitude o# a sine wae is  V9 the minimum amplitude is %%%%%%%% V. 1) :  2) : 1 3) : + 4) : etween + and  Correct Option : * From : Lecture 11 Question # 6 !ata can e %%%%%%%%. 1) : analog 2) : digital 3) : analog or digital 4) : none o# the aoe Correct Option : *

From :

Lecture 11

Question #   %%%%%%% data are continuous and take continuous alues. 1) : analog 2) : digital 3) : analog or digital 4) : none o# the aoe Correct Option : 1 From : Lecture 11 Question # !  %%%%%%% data hae discrete states and take discrete alues. 1) : analog 2) : digital 3) : analog or digital 4) : none o# the aoe Correct Option :  From : Lecture 11 Question # " &ignals can e %%%%%%%%. 1) : analog 2) : digital 3) : either analog or digital 4) : neither analog or digital Correct Option : *

From :

Lecture 11

Question # 10  %%%%% signals can hae an in#inite numer o# alues in a range. 1) : analog 2) : digital 3) : analog or digital 4) : none o# the aoe Correct Option : 1 From : Lecture 11 Question # 11  %%%%%%% signals can hae only a limited numer o# alues. 1) : analog 2) : digital 3) : analog or digital 4) : none o# the aoe Correct Option :  From : Lecture 11 Question # 12 re
From :

Question # 13  %%%%%%%%is the rate o# change with respect to time. 1) : 'mplitude 2) : $ime 3) : re
Lecture 11

4) : Voltage Correct Option :

*

From :

Lecture 11

Question # 14  %%%%%%% descries the position o# the wae#orm relatie to time 0. 1) : re
Question # 20 '(n)%%%%%%%%% signal is a composite analog signal with an in#inite andwidth. 1) : digital 2) : analog 3) : either analog or digital 4) : neither analog or digital Correct Option : 1 From : Lecture 12 Question # 21 Aaseand transmission o# a digital signal is possile only i# we hae a %%%% channel. 1) : low+pass 2) : andpass 3) : low rate 4) : high rate Correct Option : 1 From : Lecture 12 Question # 22 $he %%%%%%%%% product de#ines the numer o# its that can #ill the link. 1) : andwidth+period 2) : #re
Lecture 13

Question # 26 ' signal is measured at two di##erent points. $he power is P1 at the #irst point and P at the second point. $he dA is 0. $his means %%%%%%%%.

1) : P is =ero 2) : P e
From :

Lecture 13

Question # 2 5# the #re
Lecture 14

Question # 2" 5n %%%%%%% transmission9 its are transmitted simultaneously9 each across its own wire. 1) : Parallel 2) : 'synchronous serial 3) : &ynchronous serial 4) : (a) and () Correct Option : 1 From : Lecture 14 Question # 30 :nipolar9 ipolar9 and polar encoding are types o# %%%%%%% encoding. 1) : Alock 2) : Line 3) : N4H 4) : Manchester Correct Option :  From : Lecture 14 Question # 31  %%%%%%% encoding has a transition at the middle o# each it. 1) : 4H 2) : Manchester 3) : !i##erential Manchester 4) : 'll the aoe Correct Option : 2 From : Lecture 14 Question # 32 6hich encoding type always has a non=ero aerage amplitude7 1) : Polar 2) : Aipolar 3) : :nipolar 4) : 'll the aoe

Correct Option :

*

From :

Lecture 14

Question # 33  %%%%%%% conersion is the process o# changing one o# the characteristics o# an analog signal ased on the in#ormation in the digital data. 1) : !igital+to+analog 2) : 'nalog+to+analog 3) : 'nalog+to+digital 4) : !igital+to+digital Correct Option : 1 From : Lecture 14 Question # 34 6hich encoding techni
From :

Lecture 15

PCM is an e"ample o# %%%%%%% conersion. 1) : 'nalog+to+analog 2) : 'nalog+to+digital 3) : !igital+to+digital 4) : !igital+to+analog Correct Option : 

From :

Lecture 16

Question # 40 ne #actor in the accuracy o# a reconstructed PCM signal is the %%%%%%%. 1) : Numer o# its used #or
Lecture 16

Question # 42 5# the ma"imum alue o# a PCM signal is *1 and the minimum alue is +*19 how many its were used #or coding7 1) : 2 2) : , 3) : 4) : G Correct Option : * From : Lecture 16 Question # 43 6hich
4) : (a) and () Correct Option :



From :

Lecture 1

Question # 46 5# a symol is composed o# * its9 there are %%%%%%% data leels. 1) :  2) : 2 3) : B 4) : 1Correct Option : * From : Lecture 1 Question # 4 $he Ny
From :

Lecture 1

Question # 4" '&9 P&9 &9 and I'M are e"amples o# %%%%%%%% conersion. 1) : digital+to+digital 2) : digital+to+analog 3) : analog+to+analog 4) : analog+to+digital Correct Option :  From : Lecture 1 Question # 50 5n I'M9 oth %%%%%%%% o# a carrier #re
1) : *00 2) : 200 3) : -00 4) : 100 Correct Option :

2

From :

Lecture 1

Question # 53 5# the it rate #or an & signal is 100 ps9 the aud rate is %%%%%%%%. 1) : *00 2) : 200 3) : -00 4) : 100 Correct Option : 2 From : Lecture 1 Question # 54 5# the it rate #or a 1-+I'M signal is 2000 ps9 what is the aud rate7 1) : *00 2) : 200 3) : 1000 4) : 100 Correct Option : 2 From : Lecture 1 Question # 55 5# the aud rate #or a -2+I'M signal is 0009 what is the it rate7 1) : *00 2) : 200 3) : 1000 4) : 1000 Correct Option : * From : Lecture 1 Question # 56 Iuadrature amplitude modulation (I'M) is a comination o# %%%%%%%%%%%. 1) : '& and & 2) : '& and P& 3) : P& and & 4) : none o# the aoe Correct Option :  From : Lecture 1 Question # 5  %%%%%%%% uses two carriers9 one in+phase and the other
Question # 5" 6hich o# the #ollowing is not an analog+to+analog conersion7 1) : 'M 2) : PM 3) : M 4) : I'M Correct Option : 2 From : Lecture 1 Question # 60 5n %%%%% transmission9 the carrier signal is modulated so that its amplitude aries with the changing amplitudes o# the modulating signal. 1) : 'M 2) : PM 3) : M 4) : none o# the aoe Correct Option : 1 From : Lecture 1 Question # 61 5n %%%%% transmission9 the #re
Correct Option :

*

From :

Lecture 1

Question # 65 $he ederal Communications Commission (CC) allows %%%%%%k;= #or each 'M station. 1) : , 2) : 10 3) : 0 4) : none o# the aoe Correct Option :  From : Lecture 1 Question # 66 $he ederal Communications Commission (CC) allows %%%%%% k;= #or each M station. 1) : 0 2) : 100 3) : 00 4) : none o# the aoe Correct Option :  From : Lecture 1 Question # 6 6hich o# the #ollowing is not a digital+to+analog conersion7 1) : '& 2) : P& 3) : & 4) : 'M Correct Option : 2 From : Lecture 1! Question # 6! 5n %%%%%%%%9 the amplitude o# the carrier signal is aried to create signal elements. Aoth #re
Question # 1 ' constellation diagram shows us the %%%%%%%%%% o# a signal element9 particularly when we are using two carriers (one in+phase and one
Lecture 1"

Question # 4 /ien an 'M radio signal with a andwidth o# 10 ;= and the highest+#re
1) : noisy 2) : noiseless 3) : andpass 4) : low+pass Correct Option :

1

From :

Lecture 20

( lecture No. 1 to *0 ) Attention: Material on Vugu?ranwala.com is Legally Copyrighted under Pakistan Law. Pulishing it in any way is illegal and will e a Police Case. Question # 1  %%%%%%%% is a type o# transmission impairment in which the signal loses strength due to the resistance o# the transmission medium. 1) : 'ttenuation 2) : !istortion 3) : Noise 4) : !eciel Correct Option : 1 From : Lecture 26

Question # 2  %%%%%%%% is a type o# transmission impairment in which the signal loses strength due to the di##erent propagation speeds o# each #re
From :

Lecture 26

Question # 5 5n asynchronous transmission9 the gap time etween ytes is %%%%%%%. 1) : i"ed

2) : ' #unction o# the data rate 3) : Variale 4) : Hero Correct Option : *

From :

Lecture 26

Question # 6 &ynchronous transmission does not hae %%%%%%%. 1) : ' start it 2) : ' stop it 3) : /aps etween ytes 4) : 'll the aoe Correct Option : 2 From :

Lecture 26

Question #  6hen propagation speed is multiplied y propagation time9 we get the %%%%%%%%. 1) : throughput 2) : waelength o# the signal 3) : distortion #actor 4) : distance a signal or it has traeled Correct Option : 2 From : Lecture 2!