Computer Networks - Exam #1 Questions And Answers

Computer Networks - Exam #1
Questions And Answers
1831k-kCORRECTkkANSWER-MichaelkFaradaykharnesseskelectricity

1940sk-kCORRECTkkANSWER-digitalkcomputerkinvented

1972k-kCORRECTkkANSWER-RaykTomlinsonkinventskemail,kusekofk@ksymbol

1973k-kCORRECTkkANSWER-RobertkMetcalfekdesignedkEthernet

1974k-kCORRECTkkANSWER-
RobertkKahnkandkVintonkCerfkdesignedkTCP/IPkprotocolkthatkwouldkmakek"internetting"kpo
ssible

1991k-kCORRECTkkANSWER-TimkBerners-
LeekdesignedkWorldkWidekWebkandkitsk4kkeykcomponents:k
-kHTTPkprotocol
-kHTML
-kconceptkofkwebkserver
-kconceptkofkwebkbrowser

1994k-kCORRECTkkANSWER-JeffkBezoskfoundedkAmazon.com

1994k-kCORRECTkkANSWER-Netscapekreleased

1997k-kCORRECTkkANSWER-LarrykPagekandkSergeykBrinkfoundkGoogle.com

2004k-kCORRECTkkANSWER-MarkkZuckerbergkfoundedkFacebook.com

accessknetworksk-kCORRECTkkANSWER-thekwiredkorkwirelesskcommunicationklinks

app-layerkprotocolkdefinitionsk-kCORRECTkkANSWER--
ktypeskofkmessageskexchangedk(request,kresponse)

-kmessageksyntaxk(whatkfields)
-kmessageksemanticsk(meaning)
-kruleskforkwhenkandkhowktoksendk&krespond

applicationklayerk-kCORRECTkkANSWER-supportingknetworkkapplications

, AuthoritativekDNSkServersk-kCORRECTkkANSWER-
ankorganization'skownkDNSkserver(s)kthatkprovidekauthoritativekhostnamektokIPkmappingskf
orkorganization'sknamedkhosts

bandwidthk-kCORRECTkkANSWER-seektransmissionkrate

bottleneckklinkk-kCORRECTkkANSWER-theklinkkonkthekend-
endkpathkthatkconstrainskthekthroughput

cachekhitkratek-kCORRECTkkANSWER-thekratiokofkwebkpageskinkakcache

churnk-kCORRECTkkANSWER-thekconceptkthatkpeerskmaykcomekandkgo

circuitkswitchingk-kCORRECTkkANSWER-end-
endkresourceskallocatedktokandkreservedkforkthekmessageskbetweenktheksourcekandkdestin
ation

circularkDHTk-kCORRECTkkANSWER-
eachkpeerkiskonlykawarekofkhiskimmediateksuccessorkandkpredecessor

"overlayknetwork"

O(N)kmessagekonkaverage

clientkprocessk-kCORRECTkkANSWER-processkthatkinitiateskcommunication

client-serverkarchitecturek-kCORRECTkkANSWER-serverkiskankalways-
onkhostkwithkakpermanentkIPkaddresskthatkhaskdatakcenterskforkscaling

clientkcommunicatedkwithkserverkandkdoesn'tktalkktokotherkclients

client-serverkdistributionktimek-kCORRECTkkANSWER-Dk>=kmax{N*F/u_s,kF/d_min}

coaxialkcablek-kCORRECTkkANSWER-
twokconcentrickcopperkconductorskthatktransmitkbidirectionally

cookiesk-kCORRECTkkANSWER-
akclientkstoredkfilekthatkcankbeksentktokakserverktokletkthekserverkknowkwhokyoukare

DHTk-kCORRECTkkANSWER-distributedkhashktable/P2Pkdatabase

containsk(key,kvalue)kpairs

DHTkinsertionk-kCORRECTkkANSWER-akpeerkcankinsertkak(key,kvalue)kpair