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test_data.csv

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+network programming dr negm shawky email negmshawky gmail com course contents topic lectures networking basics 1 networking requirements networking types network basic layouts different types communication network benefits networking network interface card nic network topologies proxy server share files two computers using lan cable new method network theory 1 data communication used networks communication occurs networks internetworking devices network address network layers 2 course contents topic lectures basic web concept 2 http uri web applications using html5 1 internet addressing url programming 2 internet address programming java url programming java java input output streams stream programming 1 3 course contents topic lectures socket programming 2 understanding ports sockets java sockets using tcp oimplementing server oimplementing client java sockets using udp implementing server implementing client java threading multi thread programming 1 php personal home page 1 php basics learn program php php mysql scripting language widely used write web applications connected db 4 course contents topic lectures iot programming java 1 iot communication protocols iot platforms java iot raspberry pi course project 1 5 comments scripting language script scripting language computer language series commands within file capable executed without compiled good examples server side scripting languages include perl php python best example client side scripting language javascript advantages scripts open source allowing users view edit script needed require file compiled easy learn write easy port different operating systems much faster develop actual program individuals companies write scripts prototype actual programs disadvantages scripts open source allows others view source code may prohibited companies requires user install interpreter script run situations may slower compiled program text book learning network programming java richard reese 2015 introduction network programming java third edition jan graba 2013 java network programming 4th edition elliotte rusty harold 2014 java network programming distributed computing reilly reilly 2002 7 tools software netbeans xampp php server netbeans popular software development platform mostly java provides wizards templates help developers build applications quickly easily includes modular components across wide range tools features ide integrated development environment allows developers create applications using gui netbeans primarily tool java developers also supports php c c html5 8 tools software netbeans xampp php server xampp mean xampp free open source cross platform web server package consisting mainly apache http server mysql database interpreters scripts written php perl programming languages xampp name acronym x different operating systems windows linux mac os x read cross meaning cross platform apache http
+server mysql database php perl 9 chapter 1 networking basics dr negm shawky email negmshawky gmail com outline networking requirements networking types network basic layouts different types communication network benefits networking network interface card nic network topologies proxy server share files two computers using lan cable new method 11 networking networking process connecting two computers sharing networking computers share information email file documents resources printer internet disk storage presents brief overview computer networking works 12 introduction networking networking single purpose sharing nothing share networking nothing share anything networking everything however purpose networking exchanging information highest speed sharing information fast possible achieve goal networks use electrical cables wireless radio signals computer network includes least two computers following figure 13 introduction networking 14 introduction networking complex network may thousands computers connected via different communication links example internet largest computer network internet interconnects thousands millions computing devices including pcs laptops workstations server smartphones tablets tvs webcams ect networking devices known hosts end system end devices computer networks use communication links connect end devices 15 introduction networking communication links use different types physical medium coaxial cable copper cable fiber optical cable radio spectrum different medium types transmit data different rate measured bits second every media type limit measured speed distance signal losses etc computer data another computer network initiates session transmission process computers follow dedicated rules transmission speed transmission size data file security measurement transmission flow control etc rules called protocols 16 introduction networking protocols control entire data transmission network protocols defined various network models tcp ip layer model osi layer model data transmission computer sender break data file small pieces pieces called segment segment properly wrapped network information resulting segments known packets packets sent destination computer network reassembled original data 17 requirements networking every network requires specialized hardware software following present essential components network client computers end devices users use program access shared resources usually run desktop version os window 10 window 7 window xp client computers also known workstations 18 requirements networking server computers computers provide shared resources usually run sever version os window server 8 2003 linux netware server computers run many specialized services control shared resources network interface card nic nic interface enables computer communicate network every computer must nic order connect network earlier time separate card need installed motherboard modern computers integral part motherboard 19 requirements networking communication links communication links physical wireless media every computer network needs kind

train_data.csv

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+save changes 70 share files two computers using lan cable step 3 setup static ip setting static ip address class like previous step need pcs following steps 1 set static ip open control panel browse network internet click network sharing center alternatively also right click start menu select network connections 71 share files two computers using lan cable step 3 cont setup static ip 72 share files two computers using lan cable next window see active connections ethernet since pcs connected physical lan cable click ethernet link new dialog box open click properties button 73 share files two computers using lan cable 74 share files two computers using lan cable select internet protocol version 4 tcp ipv4 click properties open another dialogue box 75 share files two computers using lan cable need configure two pcs different ip settings computer 1 select option use following ip address put following values ip address 192 168 1 1 subnet mask 225 225 225 0 default gateway 192 168 1 2 76 share files two computers using lan cable 77 share files two computers using lan cable second computer similar steps flip ip address default gateway values ip address 192 168 1 2 subnet mask 225 225 225 0 default gateway 192 168 1 1 78 share files two computers using lan cable 79 share files two computers using lan cable keeping subnet mask changing ip address next open window file explorer click network tab left side window 80 share files two computers using lan cable 81 share files two computers using lan cable set everything right pcs appear network window computers click pc icon browse file wait still need configure one last setting 82 share files two computers using lan cable 83 share files two computers using lan cable step 4 share folder assuming connected cable properly enabled sharing options configured ip addresses time send files one pc another first need share target folder lan recommend create new folder desktop copy paste files want move another computer folder 84 share files two computers using lan cable 85 share files two computers using lan cable next select folder want share right click context menu navigate give access select option specific people 86 share files two computers using lan cable 87 share files two computers using lan cable file sharing window choose everyone drop menu click add button next finally hit share button 88 share
+media transmit data switches two computers network connect directly need mediator device allows us connect computers together switches job happily switch contains certain number ports use eight port switch connect eight computers 20 requirements networking routers router intermediate device speaks language network makes communication two different networks 21 types network local area network lan networks small geographic size spanning room floor building campus metropolitan area network man networks serve area 1 30 miles approximately size typical city wide area network wan large network includes parts states multiple states countries world personal area network pan network meters wireless devices pdas laptops similar devices 22 types network overall view interconnection different types networks 23 communication networks basic layouts microcomputer local area network microcomputer internet local area network local area network personal area network workstation local area network metropolitan area network 24 communication networks basic layouts cont local area network wide area network wide area network wide area network sensor local area network satellite microwave cell phones 25 microcomputer local area network layout highly common throughout business academic environments homes typically medium high speed connection computer device requires nic network interface card nic connects hub like device switch 26 microcomputer local area network layout cont microcomputer lab showing cabling comes back workstation connected lan collection point 27 microcomputer internet layout popular home users small businesses dial modem used connect user microcomputer internet service provider technologies dsl quickly replacing dial modems 28 microcomputer internet layout cont microcomputer workstation sending data dsl line internet service provider 29 local area network local area network layout found systems two lans need intercommunicate bridge like device switch typically used interconnect lans switch filter frames 30 local area network local area network layout cont two local area network connected switch 31 personal area network workstation layout interconnects wireless devices pdas laptops notebooks music playback devices used short distances meters 32 personal area network workstation layout cont user transferring data personal digital assistant pda workstation attached local area network 33 local area network metropolitan area network layout used interconnect companies usually local area networks networks encompass city high speed networks redundant circuits metro ethernet latest form metropolitan lan 34 local area network metropolitan area network layout cont businesses interconnected within large metropolitan area network 35 local area network wide area network layout one common ways interconnect user lan workstation internet wide area network router typical device performs lan wan connections
+inserted pcmcia slots 57 network interface card nic 58 network interface card nic 25g fiber nic card typically operates physical data link layer unique physical address mac address addition 25g fiber nic card one two sfp28 ports small form factor pluggable port side panel mainly used connect optical module switch 25g fiber nic card mainly used connection servers switches 59 network topologies types networks term network topology describes devices connected terms geometric graph devices represented vertices connections represented edges graph typical network configurations include bus topology mesh topology ring topology star topology tree topology hybrid topology 60 proxy proxy dedicate device software proxy used hide internal network external world use proxy would direct communication internal network external network communication go proxy external computer able access proxy thus proxy makes tampering internal system external network difficult proxy servers work determine protect personal make information safe hacker exploits 61 proxy using proxy server user connected server web site browser proxy acts client behalf user uses one ip addresses request page server located internet page returned proxy server forwards user isolating internet proxy server also cache server first look local cache previously downloaded web pages see find requested page finds page sends user avoids need forward request internet one sites frequently requested likely saved proxy cache therefore pages requested sites users receive improved response times 62 share files two computers using lan cable step 1 connect pcs lan cable step 2 enable network sharing pcs step 3 setup static ip step 4 share folder 63 share files two computers using lan cable step 1 connect pcs lan cable connect computers lan cable use lan cable crossover cable 64 share files two computers using lan cable step 2 enable network sharing pcs physically connected pcs lan cable turn network sharing computers exchange files 65 share files two computers using lan cable enable sharing control panel window opens click network internet 66 share files two computers using lan cable next dialogue box open network sharing center alternatively 67 share files two computers using lan cable left hand side network sharing center window click change advanced sharing settings 68 share files two computers using lan cable find three networks public private network public network places like airports coffee shops private network organization home network network comprises recommend choose networks 69 share files two computers using lan cable next avoid configuration turn password protected sharing done click
+routers complex devices switches 36 local area network wide area network layout cont local area network wide area network configuration 37 wide area network wide area network layout high speed routers switches used connect one wide area network another thousands wide area networks across world interconnected via routers switches 38 sensor local area network layout local area networks deal microcomputer workstations often found industrial laboratory environments example assembly lines robotic controls depend heavily sensor connected local area networks 39 sensor local area network layout cont automobile move assembly line triggers sensor 40 satellite microwave layout typically long distance wireless connections many types applications including long distance telephone television radio wireless data services typically expensive services many companies offer competitive services newer shorter distance services wi max 41 satellite microwave layout continued example television company using satellite system broadcast television services homes businesses 42 cell phone layout third generation fourth generation services available many areas latest generation includes higher speed data transfers 100s 1000s kilobits per second 43 cell phone layout cont example pda connected wireless telephone system transmit receive data 44 benefits networking networking used sharing information networking allows us share three main things information resources applications information sharing networking easy share information across network send receive data files many computers communicate network via messaging application example email service chat service etc store data centralized sever easy management 45 benefits networking resources sharing certain computer resources shared network hard disk printer scanner modem etc allows us track uses resources example network administrator setup printer server share network user use printer server printing administrator needs monitor print server 46 benefits networking application sharing application sharing common companies companies may business application needs used several users networking make application sharing possible allows several users work together single application 47 network interface card nic list networking devices nic stands first place without device networking done also known network adapter card ethernet card lan card nic allows pc communicate pcs basically converts data transmission technology following pc uses parallel data transmission technology transmit data internal parts media connects pc pcs uses serial data transmission technology nic converts parallel data stream serial data stream vice versa 56 network interface card nic usually modern pcs integrated nics motherboard nics also available separately desktop server system available adapter format plugged available slots motherboard laptop small size devices available pcmcia personal computer memory card international association card format
+files two computers using lan cable 89 share files two computers using lan cable shared next window show network location folder 90 share files two computers using lan cable go back pc want access file open networks panel click computer name 91 share files two computers using lan cable see folder shared open folder transfer files folders normally 92 end end 95