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Cs6250 Exam 2.

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2024/2025 Written for academic year
Institution CS6250 COMPUTER NETWORK
Course CS6250 COMPUTER NETWORK
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Exam of 11 pages for the course CS6250 COMPUTER NETWORK at CS6250 COMPUTER NETWORK (CS6250 EXAM 2.)

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CS6250 EXAM 2 - LESSON 7


control8-8answer--
The8_____8plane8contains8the8logic8that8controls8the8forwarding8behavior8of8routers8such
8as8routing8protocols8and8network8middlebox8configurations.



data8-8answer--
The8_____8plane8performs8the8actual8forwarding8as8dictated8by8the8control8plane.8For8ex
ample,8IP8forwarding8and8Layer828switching8are8functions8of8the8data8plane.

forwarding8-8answer--
The8data8plane8performs8the8actual8______8as8dictated8by8the8control8plane.8For8exampl
e,8IP8forwarding8and8Layer828switching8are8functions8of8the8data8plane.

controls8-8answer--
The8control8plane8contains8the8logic8that8_____8the8forwarding8behavior8of8routers8such8
as8routing8protocols8and8n8control8-8answer--
The8_____8plane8contains8the8logic8that8controls8the8forwarding8behavior8of8routers8such
8as8routing8protocols8and8network8middlebox8configurations.




data8-8answer--
The8_____8plane8performs8the8actual8forwarding8as8dictated8by8the8control8plane.8For8ex
ample,8IP8forwarding8and8Layer828switching8are8functions8of8the8data8plane.

forwarding8-8answer--
The8data8plane8performs8the8actual8______8as8dictated8by8the8control8plane.8For8exampl
e,8IP8forwarding8and8Layer828switching8are8functions8of8the8data8plane.

controls8-8answer--
The8control8plane8contains8the8logic8that8_____8the8forwarding8behavior8of8routers8such8
as8routing8protocols8and8network8middlebox8configurations.

contains8the8logic8-8answer--
The8control8plane8_______8that8controls8the8forwarding8behavior8of8routers8such8as8routi
ng8protocols8and8network8middlebox8configurations.

separation8-8answer--
The8two8reasons8for8_____8of8the8control8and8data8planes8are8independent8evolution8an
d8development8and8control8from8high-level8software8program.

, independent8evolution8and8development8-8answer--
The8two8reasons8for8separation8of8the8control8and8data8planes8are8________8and8control
8from8high-level8software8program.



control8-8answer--
The8two8reasons8for8separation8of8the8control8and8data8planes8are8independent8evolutio
n8and8development8and8______8from8high-level8software8program.

decoupling8-8answer--
The8______8of8functions8makes8debugging8and8checking8the8behavior8of8the8network8ea
sier.

independent8-8answer--
The8software8aspect8of8the8network8can8evolve8_______8of8the8hardware8aspect.8Since8
both8control8and8forwarding8behavior8are8separate,8this8enables8us8to8use8higher-
level8software8programs8for8control.

data8centers8-8answer--
Consider8large8______8with8thousands8of8servers8and8VMs.8Management8of8such8large8
network8is8not8easy.8SDN8helps8to8make8network8management8easier.8In8this8case,8sepa
ration8leads8to8opportunities8in8_____.

routing8-8answer--
The8interdomain8______8protocol8used8today,8BGP,8constrains8routes.8There8are8limited
8controls8over8inbound8and8outbound8traffic.8There8is8a8set8procedure8that8needs8to8be8fo

llowed8for8route8selection.8Additionally,8it8is8hard8to8make8routing8decisions8using8multipl
e8criteria.8With8SDN,8it8is8easier8to8update8the8router's8state,8and8SDN8can8provide8more8
control8over8path8selection.8In8this8case,8separation8leads8to8opportunities8in8______.

enterprise8networks8-8answer--
SDN8can8improve8the8security8applications8for8______.8For8example,8using8SDN8it8is8eas
ier8to8protect8a8network8from8volumetric8attacks8such8as8DDoS,8if8we8drop8the8attack8traff
ic8at8strategic8locations8of8the8network.8In8this8case,8separation8leads8to8opportunities8in8
_____.

research8networks8-8answer--
SDN8allows8_____8to8coexist8with8production8networks.8In8this8case,8separation8leads8to8
opportunities8in8_______.

forwarding,8routing8-8answer--
The8two8important8functions8of8the8network8layer8are8______8and8______.

forwarding8-8answer--
When8a8router8receives8a8packet8at8its8input8link,8it8must8determine8which8output8link8that
8packet8should8be8sent8through.8This8process8is8called8______.

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