TestBankFor
l l
Business Data ll
Communications
ll
and Networking,
ll ll
13th Edition by
ll ll ll
FitzGerald, Dennis,
ll ll
Durcikova
ll
, Chapter 1 ll
Introduction to Data Communications
ll ll ll
True-False Questions
ll
The l l following l l are l l possible l lTrue/False l l questions l lfor l l tests. llThe l l statement l l is l l given l l and
l l the l l answer l l is l l provided l l in l l square l l brackets. l l The l l level l l of l l difficulty l l (easy,
l l moderate, l l difficult) l l and l l the l l page l l number(s) llrelevant llto llthe lltopic llare llalso llfurnished.
1. According llto llJohn llChambers, llCEO llof llCisco ll(a llleading llnetworking lltechnology
llcompany), l l the llinformation llage llis llthe llsecond llIndustrial llRevolution.
Answer:True Difficulty:E
l asy Reference: ll ll p. ll4
2. Due llto llrecent lladvances llin llhigh llspeed llcommunication llnetworks, llthe llinformation lllag,
llor llthe l l time llit lltakes llfor llinformation llto llbe lldisseminated llaround llthe llworld, llhas
llbeen llsignificantly l l shortened.
Answer:True Difficulty: l l Easy Reference: ll l l p.4
3. One llperspective llof lldata llcommunications lland llnetworking llas llstated llin llthe lltextbook,
llexamines l l the llmanagement llof llnetworking lltechnologies, llincluding llsecurity, llnetwork
lldesign, lland l l managing llthe llnetwork llon lla llday-to-day llbasis lland lllong llterm llbasis.
Answer:True Difficulty: l l Moderate Reference: ll l l p. ll5
4. The llfirst llelectronic lldata llcommunication llsystem llwas llthe lltelephone lldeveloped llby
lAlexander l l Graham llBell.
Answer:False Difficulty:El asy Reference: ll ll p. ll5
5. The llfirst lltranscontinental lltelephone llservice llwas llestablished llin llthe ll1940s.
Answer:False Difficulty:El asy Reference: ll l l p. ll6
6. An llInter-Exchange llCarrier ll(IXC) llprovides llonly lllocal lltelephone llservices llto llhomes
lland l l businesses.
Answer: llFalse Difficulty: l l Easy Reference: ll ll p. ll6
7. Common llcarriers llinclude llthe llRBOCs, llIXCs, lland llCable llTV llcompanies.
Answer:True Difficulty:M l oderate Reference: ll l l p. ll7
8. The llTelecommunications llAct llof ll1996 llnow llpermits llthe llRBOCs llto llprovide lllong
lldistance l l outside llthe llregion llin llwhich llthey llprovide lllocal lltelephone llservices.
Answer: llTrue Difficulty:M l oderate Reference: ll l l p. ll7
9. The llInternet llwas llstarted llby llthe llU.S. llDepartment llof lldefense llin ll1969 llas lla llnetwork
llof llfour l l computers llcalled lARPANET.
Answer: llTrue Difficulty: l l Moderate Reference: ll l l p. ll9
10. Telecommunications llis llthe lltransmission llof llvoice lland llvideo llas llwell llas lldata lland
llimplies l l transmitting lla lllonger lldistance llthan llin lla lldata llcommunication llnetwork.
Answer:False Difficulty:M
l oderate Reference: ll ll p. ll11
,11. A lllocal llarea llnetwork ll(LAN) llconnects llother llLANs lland llBNs lllocated llin lldifferent llareas llto
lleach l l other lland llto llwide llarea llnetworks llin lla llspan llfrom ll3 llto ll30 llmiles.
Answer: llFalse Difficulty:M l oderate Reference: ll l l p. ll13
12. An llintranet llis lla llLAN llthat lluses llInternet lltechnologies lland llis llpublicly llavailable llto
llpeople l l outside llof llthe llorganization.
Answer: llFalse Difficulty:M l oderate Reference: ll l l p. ll15
13. A llcar llmanufacturer llmay llgive llaccess llto llcertain llportions llof llits llnetwork llto llsome llof llits
llsuppliers l l via llInternet. llThis llis llan llexample llof llan llExtranet.
Answer: llTrue Difficulty:Ml oderate Reference: ll l l p. ll15
14. The llOSI llmodel llis llthe llmost llwidely llused llnetwork llmodel llto lldevelop lland llbuild llnetworks
lltoday.
Answer: llTrue Difficulty:M l oderate Reference: ll l l p. ll16
15. The llnetwork lllayer llis llresponsible llfor llrouting llmessages llfrom llthe llsource llcomputer
llto llthe l l destination llcomputer.
Answer: llTrue Difficulty:E l asy Reference: ll l l p. ll17
16. In llthe llOSI llmodel, llthe llapplication lllayer llis llthe llend lluser’s llaccess llto llthe llnetwork.
Answer: llTrue Difficulty:Ml oderate Reference: ll l l p. ll18
17. The llapplication lllayer llis llthe llseventh lllayer llof llthe llInternet llmodel lland llprovides llthe llend
lluser’s l l access llto llthe llnetwork.
Answer: llTrue Difficulty:M l oderate Reference: ll l l p. ll18
18. At llthe lltransport lllayer llin llthe llInternet llmodel, llTCP llis llresponsible llfor llbreaking lllarge llfiles
l l received llfrom llthe llapplication lllayer llinto llsmaller llpackets lland llopening lla llconnection llto
lla llserver l l for lltransferring llthe llpackets.
Answer: llTrue Difficulty: llDifficult Reference: ll ll p. ll17
19. Ethernet llis llan llexample llof lla llnetwork lllayer llprotocol.
Answer: llFalse Difficulty:E
l asy Reference: ll ll p. ll17
20. Data llcommunication llstandards llenable lleach lllayer llin llthe llsending llcomputer llto
llcommunicate l l with llits llcorresponding lllayer llin llthe llreceiving llcomputer.
Answer: llTrue Difficulty: llEasy Reference: ll ll p. ll22
21. The llspecification llstage llof llthe llformal llstandardization llprocess llconsists llof
lldeveloping l l nomenclature lland llidentifying llthe llproblems llto llbe lladdressed.
Answer: llTrue Difficulty: llModerate Reference: ll ll p. ll23
22. ANSI llis lla llvoting llparticipant llin llthe llISO.
Answer: llTrue Difficulty: llEasy Reference: ll l l p. ll23
23. Passive lloptical llnetworking, lla llkey lltrend llfor llthe llfuture, llmeans llthat llvirtually llany
llcomputer llwill l l be llable llto llcommunicate llwith llany llother llcomputer llin llthe llworld.
Answer: llFalse Difficulty: llModerate Reference: l l p. ll26
, 24. The llhigh llbandwidth llrequirements ll(high llcommunications llneeds) llfor llvideo llhave
llslowed llits l l integration llinto llcomputer llnetworks.
Answer: llTrue Difficulty: llModerate Reference: l l p. ll28
25. An lApplication llService llProvider ll(ASP) lldevelops lla llspecific llsystem lland llcompanies
llpurchase l l or llrent llthe llservice llwithout llinstalling llthe llsystem llon lltheir llown llcomputers.
Answer: llTrue Difficulty: llModerate Reference: l l p. ll29
MULTIPLE CHOICE ll
The l l following l l are l l possible l l multiple-choice l l questions l l for l l tests. l l The l l question
l l is l l posed l l and l l the l l answer l l is l l provided l l under l l the l l choices. l l The l l level l l of
l l difficulty l l (easy, l l moderate, l l difficult) l l and l l the l l page llnumber(s) llrelevant llto llthe lltopic llis
llalso llfurnished.
1. Data llcommunications lland llnetworking llcan llbe llconsidered llas lla llglobal llarea llof llstudy
llbecause:
a. new l l technologies l l and l l applications l l emerge l l from l l a l l variety l l of
l l countries l l and l l spread l l around llthe llworld
b. the lltechnologies llenable llglobal llcommunication
c. the llpolitical lland llregulatory llissues llare llexactly llthe llsame llin llevery llcountry
d. a lland llb
e. none llof llthe llabove
Answer: llD Difficulty: llEasy Reference: ll l l p. ll4
2. In ll1970, lla llkey lldecision llregarding llMCI:
a. set llup llthe llTelecommunications llCompetition lland llDeregulation llAct
b. permitted llMCI llto llprovide lllimited lllong lldistance llservice llin llthe llU.S.
c. permitted l l telephone l l and/or l l computer l l equipment l l that l l was l l not l l manufactured
l l by l l Bell l l Telephone llto llbe llconnected llto lAT&T’s llnetwork
d. divided llAT&T l l into l l two l l parts: l l one l l part l l for l l long l l distance l l service, l l and l l a
l l second l l part, l l comprised llof llseven lloperating llcompanies, llfor lllocal lltelephone
llservice
e. set llup llderegulation llfor llinternational lltelecommunications llmarkets llin ll68 llcountries
Answer: llB Difficulty: llEasy Reference: ll ll llp. ll6
3. In ll1984, lla llfederal lljudge llbroke llup lla llhighly llcontested lltelephone llservice llmonopoly lland:
a. set llup llthe llTelecommunications llCompetition lland llDeregulation llAct
b. permitted llMCI llto llprovide lllimited lllong lldistance llservice llin llthe llU.S.
c. permitted l l telephone l l and/or l l computer l l equipment l l that l l was l l not
l l manufactured l l by l l Bell llTelephone llto llbe llconnected llto llAT&T’s llnetwork
d. divided l l AT&T l l into l l two l l parts: l l one l l part l l for l l long l l distance l l service,
l l and l l a l l second l l part, ll comprised ll of ll seven ll regional ll operating llcompanies,
ll for ll local ll telephone l l service
e. set llup llderegulation llfor llinternational lltelecommunications llmarkets llin ll68
llcountries
Answer: llD Difficulty: llEasy Reference: ll llp. ll6
l l
Business Data ll
Communications
ll
and Networking,
ll ll
13th Edition by
ll ll ll
FitzGerald, Dennis,
ll ll
Durcikova
ll
, Chapter 1 ll
Introduction to Data Communications
ll ll ll
True-False Questions
ll
The l l following l l are l l possible l lTrue/False l l questions l lfor l l tests. llThe l l statement l l is l l given l l and
l l the l l answer l l is l l provided l l in l l square l l brackets. l l The l l level l l of l l difficulty l l (easy,
l l moderate, l l difficult) l l and l l the l l page l l number(s) llrelevant llto llthe lltopic llare llalso llfurnished.
1. According llto llJohn llChambers, llCEO llof llCisco ll(a llleading llnetworking lltechnology
llcompany), l l the llinformation llage llis llthe llsecond llIndustrial llRevolution.
Answer:True Difficulty:E
l asy Reference: ll ll p. ll4
2. Due llto llrecent lladvances llin llhigh llspeed llcommunication llnetworks, llthe llinformation lllag,
llor llthe l l time llit lltakes llfor llinformation llto llbe lldisseminated llaround llthe llworld, llhas
llbeen llsignificantly l l shortened.
Answer:True Difficulty: l l Easy Reference: ll l l p.4
3. One llperspective llof lldata llcommunications lland llnetworking llas llstated llin llthe lltextbook,
llexamines l l the llmanagement llof llnetworking lltechnologies, llincluding llsecurity, llnetwork
lldesign, lland l l managing llthe llnetwork llon lla llday-to-day llbasis lland lllong llterm llbasis.
Answer:True Difficulty: l l Moderate Reference: ll l l p. ll5
4. The llfirst llelectronic lldata llcommunication llsystem llwas llthe lltelephone lldeveloped llby
lAlexander l l Graham llBell.
Answer:False Difficulty:El asy Reference: ll ll p. ll5
5. The llfirst lltranscontinental lltelephone llservice llwas llestablished llin llthe ll1940s.
Answer:False Difficulty:El asy Reference: ll l l p. ll6
6. An llInter-Exchange llCarrier ll(IXC) llprovides llonly lllocal lltelephone llservices llto llhomes
lland l l businesses.
Answer: llFalse Difficulty: l l Easy Reference: ll ll p. ll6
7. Common llcarriers llinclude llthe llRBOCs, llIXCs, lland llCable llTV llcompanies.
Answer:True Difficulty:M l oderate Reference: ll l l p. ll7
8. The llTelecommunications llAct llof ll1996 llnow llpermits llthe llRBOCs llto llprovide lllong
lldistance l l outside llthe llregion llin llwhich llthey llprovide lllocal lltelephone llservices.
Answer: llTrue Difficulty:M l oderate Reference: ll l l p. ll7
9. The llInternet llwas llstarted llby llthe llU.S. llDepartment llof lldefense llin ll1969 llas lla llnetwork
llof llfour l l computers llcalled lARPANET.
Answer: llTrue Difficulty: l l Moderate Reference: ll l l p. ll9
10. Telecommunications llis llthe lltransmission llof llvoice lland llvideo llas llwell llas lldata lland
llimplies l l transmitting lla lllonger lldistance llthan llin lla lldata llcommunication llnetwork.
Answer:False Difficulty:M
l oderate Reference: ll ll p. ll11
,11. A lllocal llarea llnetwork ll(LAN) llconnects llother llLANs lland llBNs lllocated llin lldifferent llareas llto
lleach l l other lland llto llwide llarea llnetworks llin lla llspan llfrom ll3 llto ll30 llmiles.
Answer: llFalse Difficulty:M l oderate Reference: ll l l p. ll13
12. An llintranet llis lla llLAN llthat lluses llInternet lltechnologies lland llis llpublicly llavailable llto
llpeople l l outside llof llthe llorganization.
Answer: llFalse Difficulty:M l oderate Reference: ll l l p. ll15
13. A llcar llmanufacturer llmay llgive llaccess llto llcertain llportions llof llits llnetwork llto llsome llof llits
llsuppliers l l via llInternet. llThis llis llan llexample llof llan llExtranet.
Answer: llTrue Difficulty:Ml oderate Reference: ll l l p. ll15
14. The llOSI llmodel llis llthe llmost llwidely llused llnetwork llmodel llto lldevelop lland llbuild llnetworks
lltoday.
Answer: llTrue Difficulty:M l oderate Reference: ll l l p. ll16
15. The llnetwork lllayer llis llresponsible llfor llrouting llmessages llfrom llthe llsource llcomputer
llto llthe l l destination llcomputer.
Answer: llTrue Difficulty:E l asy Reference: ll l l p. ll17
16. In llthe llOSI llmodel, llthe llapplication lllayer llis llthe llend lluser’s llaccess llto llthe llnetwork.
Answer: llTrue Difficulty:Ml oderate Reference: ll l l p. ll18
17. The llapplication lllayer llis llthe llseventh lllayer llof llthe llInternet llmodel lland llprovides llthe llend
lluser’s l l access llto llthe llnetwork.
Answer: llTrue Difficulty:M l oderate Reference: ll l l p. ll18
18. At llthe lltransport lllayer llin llthe llInternet llmodel, llTCP llis llresponsible llfor llbreaking lllarge llfiles
l l received llfrom llthe llapplication lllayer llinto llsmaller llpackets lland llopening lla llconnection llto
lla llserver l l for lltransferring llthe llpackets.
Answer: llTrue Difficulty: llDifficult Reference: ll ll p. ll17
19. Ethernet llis llan llexample llof lla llnetwork lllayer llprotocol.
Answer: llFalse Difficulty:E
l asy Reference: ll ll p. ll17
20. Data llcommunication llstandards llenable lleach lllayer llin llthe llsending llcomputer llto
llcommunicate l l with llits llcorresponding lllayer llin llthe llreceiving llcomputer.
Answer: llTrue Difficulty: llEasy Reference: ll ll p. ll22
21. The llspecification llstage llof llthe llformal llstandardization llprocess llconsists llof
lldeveloping l l nomenclature lland llidentifying llthe llproblems llto llbe lladdressed.
Answer: llTrue Difficulty: llModerate Reference: ll ll p. ll23
22. ANSI llis lla llvoting llparticipant llin llthe llISO.
Answer: llTrue Difficulty: llEasy Reference: ll l l p. ll23
23. Passive lloptical llnetworking, lla llkey lltrend llfor llthe llfuture, llmeans llthat llvirtually llany
llcomputer llwill l l be llable llto llcommunicate llwith llany llother llcomputer llin llthe llworld.
Answer: llFalse Difficulty: llModerate Reference: l l p. ll26
, 24. The llhigh llbandwidth llrequirements ll(high llcommunications llneeds) llfor llvideo llhave
llslowed llits l l integration llinto llcomputer llnetworks.
Answer: llTrue Difficulty: llModerate Reference: l l p. ll28
25. An lApplication llService llProvider ll(ASP) lldevelops lla llspecific llsystem lland llcompanies
llpurchase l l or llrent llthe llservice llwithout llinstalling llthe llsystem llon lltheir llown llcomputers.
Answer: llTrue Difficulty: llModerate Reference: l l p. ll29
MULTIPLE CHOICE ll
The l l following l l are l l possible l l multiple-choice l l questions l l for l l tests. l l The l l question
l l is l l posed l l and l l the l l answer l l is l l provided l l under l l the l l choices. l l The l l level l l of
l l difficulty l l (easy, l l moderate, l l difficult) l l and l l the l l page llnumber(s) llrelevant llto llthe lltopic llis
llalso llfurnished.
1. Data llcommunications lland llnetworking llcan llbe llconsidered llas lla llglobal llarea llof llstudy
llbecause:
a. new l l technologies l l and l l applications l l emerge l l from l l a l l variety l l of
l l countries l l and l l spread l l around llthe llworld
b. the lltechnologies llenable llglobal llcommunication
c. the llpolitical lland llregulatory llissues llare llexactly llthe llsame llin llevery llcountry
d. a lland llb
e. none llof llthe llabove
Answer: llD Difficulty: llEasy Reference: ll l l p. ll4
2. In ll1970, lla llkey lldecision llregarding llMCI:
a. set llup llthe llTelecommunications llCompetition lland llDeregulation llAct
b. permitted llMCI llto llprovide lllimited lllong lldistance llservice llin llthe llU.S.
c. permitted l l telephone l l and/or l l computer l l equipment l l that l l was l l not l l manufactured
l l by l l Bell l l Telephone llto llbe llconnected llto lAT&T’s llnetwork
d. divided llAT&T l l into l l two l l parts: l l one l l part l l for l l long l l distance l l service, l l and l l a
l l second l l part, l l comprised llof llseven lloperating llcompanies, llfor lllocal lltelephone
llservice
e. set llup llderegulation llfor llinternational lltelecommunications llmarkets llin ll68 llcountries
Answer: llB Difficulty: llEasy Reference: ll ll llp. ll6
3. In ll1984, lla llfederal lljudge llbroke llup lla llhighly llcontested lltelephone llservice llmonopoly lland:
a. set llup llthe llTelecommunications llCompetition lland llDeregulation llAct
b. permitted llMCI llto llprovide lllimited lllong lldistance llservice llin llthe llU.S.
c. permitted l l telephone l l and/or l l computer l l equipment l l that l l was l l not
l l manufactured l l by l l Bell llTelephone llto llbe llconnected llto llAT&T’s llnetwork
d. divided l l AT&T l l into l l two l l parts: l l one l l part l l for l l long l l distance l l service,
l l and l l a l l second l l part, ll comprised ll of ll seven ll regional ll operating llcompanies,
ll for ll local ll telephone l l service
e. set llup llderegulation llfor llinternational lltelecommunications llmarkets llin ll68
llcountries
Answer: llD Difficulty: llEasy Reference: ll llp. ll6
