WGUl D322/l C182l Objectivel Assessmentl (Latestl 2025/l 2026l Update)l Introductionl tol ITl Guidel |l Q/Al |l Gradel A|l 100%l Correctl (Verifiedl Answers)
Q:l openl networkl vsl closed/proprietaryl network
Answer:
thel network'sl internall workingsl arel basedl onl designsl thatl arel inl thel publicl domainl (openl network)l orl onl designsl ownedl orl controlledl byl thirdl partiesl (closedl orl proprietaryl networks).l Openl networkl designsl arel freelyl circulatedl andl arel oftenl morel popularl thanl proprietaryl designsl thatl arel restrictedl byl licensel feesl andl contracts
Q:l examplel ofl anl openl network
Answer:
Thel internet
Q:l User
Answer:
Thosel whol usel al computer.
Q:l Whatl isl thel worldl largestl areal network?
Answer:
Thel Internet
Q:l 2l typesl ofl networkl designl includes
Answer:
client-to-serverl andl peer-to-peer
Q:l client-to-server
Answer: 1 / 4
al popularl conventionl usedl forl interprocessl communication.l Thel basicl rolesl playedl byl thel processesl arel categorizedl asl eitherl al clientl makingl requestsl orl al serverl satisfyingl clientl requests.
Q:l peer-to-peerl Network
Answer:
anotherl modell forl interprocessl communication.l Inl thisl model,l processersl bothl requestl andl providel servicel tol eachl other.l Instantl messagingl andl interactivel gamesl playedl byl usersl onl multiplel machinesl arel bothl examplesl ofl thel P2Pl model.
Q:l BitTorrent
Answer:
usedl commonlyl forl distributingl largel videol files,l employsl al "swarm"l model,l wherebyl filesl arel downloadedl inl simultaneousl piecesl froml multiplel hostl computers
Q:l Thel Gnutellal protocol
Answer:
operatesl withoutl anyl centralizedl serverl andl allowsl forl numerousl softwarel clientsl tol bel usedl forl access,l whichl makesl itl nearlyl impossiblel tol shutl down.
Q:l Therel arel severall typesl ofl distributedl systems
Answer:
Clusterl computing,l Gridl computing,l Cloudl computing
Q:l Clusterl computing
Answer:
usesl manyl independentl computersl tol providel computationl orl servicesl comparablel tol thosel ofl al largerl machine.l Thel costl ofl severall individuall machinesl canl bel lessl thanl al higher-pricedl supercomputer,l withl comparablel performance.l Clusterl computingl providesl highl availabilityl asl itl isl likelyl thatl atl leastl onel computerl inl thel clusterl willl bel ablel tol answerl al requestl evenl whenl othersl inl thel clusterl arel unavailablel orl brokenl down.l Inl addition,l clustersl canl balancel loadsl byl automaticallyl shiftingl requestsl amongl thel clusterl members
Q:l Gridl computing
Answer: 2 / 4
isl al typel ofl distributedl systeml thatl isl morel looselyl coupledl thanl clustersl butl stilll worksl togetherl asl al systeml tol completel largel tasks.l Gridl computingl typicallyl includesl specializedl softwarel tol makel itl easierl tol distributel thel workloadl andl datal amongl thel machinesl inl thel grid
Q:l Cloudl computing
Answer:
providesl largel poolsl ofl sharedl computersl thatl canl bel allocatedl tol clientsl asl needed.l Servicesl suchl asl Amazon'sl Elasticl Computel Cloudl allowl clientsl tol rentl virtuall computersl byl thel hourl nol matterl wherel thel associatedl computerl hardwarel isl located.l Servicesl suchl asl Googlel Cloudl andl Googlel Appsl allowl usersl tol collaboratel orl buildl webl servicesl withoutl needingl tol knowl howl manyl computersl arel workingl onl thel probleml orl wherel thel relevantl datal isl stored.l Cloudl computingl providesl reasonablel guaranteesl forl reliabilityl andl scalabilityl whilel raisingl concernsl aboutl securityl andl privacy.
Q:l Al transmissionl medium
Answer:
Al transmissionl mediuml (thel singularl forml ofl thel wordl "media")l isl simplyl al componentl thatl carriesl datal froml onel networkl devicel tol another.l Therel arel twol typesl ofl
transmissionl media:l wiredl andl wireless.
Q:l wiredl networks
Answer:
Twistedl pairl cables,l coaxiall cable,l andl opticall fiberl cablesl arel commonl networkl media.l Twistedl pairl cablesl arel thel mostl widelyl usedl typel ofl transmissionl media.l Twol commonl typesl ofl twistedl pairl cablesl arel unshieldedl twistedl pairl (UTP)l andl shieldedl twistedl pairl (STP).l STPl cablesl consistl ofl twol separatelyl insulatedl copperl wiresl woundl aroundl eachl other,l makingl theml morel expensivel thanl UTPl cables.
Q:l Networkl bandwidthl isl measuredl in:
Answer:
measuredl inl megabitsl perl secondl (Mbps)l andl gigabitsl (Gbps)l perl second
Q:l Coaxiall Cables
Answer:
(oftenl referredl tol asl "coax")l havel anl outerl plasticl thatl isl usedl inl computerl networksl andl tol deliverl cablel TVl services.l Firstl usedl commerciallyl usedl inl thel 1940s,l itl isl usedl 3 / 4
forl bothl basebandl andl broadbandl datal communicationl services.l Thel bandwidthl ofl coaxiall cablesl isl aboutl 80l timesl thel bandwidthl ofl twistedl wires.l Cablel modemsl andl televisionsl typicallyl usel coaxiall cables.
Q:l Baseband
Answer:
isl al signall atl al veryl narrowl frequencyl rangel onl whichl datal orl informationl isl superimposedl andl thenl transmitted.l Examplesl includel Ethernetl LANsl andl seriall cables.
Q:l Broadband
Answer:
isl consideredl high-capacityl transmissionl technologiesl thatl arel usedl tol transmitl data,l voice,l andl videol acrossl longl distancesl andl atl highl speeds.l Examplesl includel coaxiall cable,l fiberl opticl cable,l andl radiol waves.
Q:l Fiber-Opticl Cable
Answer:
usesl thel conceptl ofl reflectionl ofl lightl throughl al corel madel upl ofl glassl orl plastic.l Thel corel isl surroundedl byl al lessl densel glassl orl plasticl coveringl calledl thel cladding.l Fiber- opticl cablel arel ablel tol transmitl largel volumesl ofl data.l Theirl bandwidthl canl providel upl tol 26,000l timesl thel bandwidthl ofl thel twistedl pairl wires,l atl thel timel ofl thisl writing.
Q:l Bluetoothl vsl WiFi
Answer:
Bluetoothl supportsl distancesl shorterl thanl 30l feet,l whilel Wi-Fil devicesl canl bel accessedl upl tol 300l feetl away.
Q:l wirelessl networks
Answer:
usel radiol waves,l microwaves,l andl infraredl waves.
Q:l Thel followingl devicesl canl bel usedl tol connectl networks:
Answer:
Repeaters,l bridges,l switches,l routers
Q:l Repeaters
Answer:
- / 4