was bdesigned bto ballow bnetworks brunning bon bdifferent bprotocols bto bhave ban
bintermediary bprotocol bthat bwould ballow bthem bto bcommunicate
A bprotocol bsuite
Internet b- b bcorrect banswer-"an binterconnected bnetwork bof bnetworks"
Created bwhen bTCP/IP bbecame ba bstandard bprotocol ballowing bnetworks bto
bcommunicate bwith bone banother.
Packet b- b bcorrect banswer-The bfundamental bunit bof bdata btransmitted bover bthe
Internet
Each bhas bthe bsender's baddress, bthe bdestination baddress, ba bsequence bnumber,
band ba bpiece bof bthe boverall bmessage bto bbe bsent.
Different bones bin ba bsingle bmessage bcan btake ba bvariety bof
routes bto bthe bdestination band bthey bcan barrive bat bdifferent
times. bFor bthis breason, bthe bsequence bnumber bis bused bto
reassemble bthem bin bthe bproper border bat bthe bdestination.
Switch b- b bcorrect banswer-A bnetwork bdevice bthat bconnects bmultiple bhosts
btogether
and bforwards bpackets bbased bon btheir bdestination bwithin bthe blocal bnetwork
bwhich bis bcommonly bknown bas ba bLocal bArea bNetwork b(LAN).
Router b- b bcorrect banswer-A bdevice bthat breceives band banalyzes bpackets band
bthen
routes bthem btowards btheir bdestination.
used bto bconnect bone bnetwork bto banother bnetwork
IP bAddress b- b bcorrect banswer-Every bdevice bon bthe bInternet b(personal
bcomputer, ba
tablet, ba bsmartphone, betc.) bis bassigned ba bunique bidentifying bnumber
Domain bName b- b bcorrect banswer-a bhuman-friendly bname, bconvenient bfor
bremembering ba bwebsite.
generally bconsist bof ba bdescriptive bword bfollowed bby ba bdot b(period) band bthe
bTop-Level bDomain b(TLD)
DNS b- b bcorrect banswer-"domain bname bserver bor bsystem." b
acts bas bthe bdirectory bof bwebsites bon bthe bInternet.
, When ba brequest bto baccess ba bhost bwith ba bdomain bname bis bgiven, bthis bserver
bis bqueried. bIt breturns bthe bIP baddress bof bthe bhost brequested, ballowing bfor
bproper brouting
Key bcharacteristics bof bWeb b2.0 b- b bcorrect banswer-Started bin bearly b2000s
• bUniversal baccess bto bApps
• bValue bis bfound bin bcontent, bnot bdisplay bsoftware
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