پاورپوینت Virtual Private Network

پاورپوینت Virtual Private Network , پاورپوینت , با , عنوان , Virtual , Private , Network ,

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لینک دانلود و خرید پایین توضیحات<br>دسته بندی : پاورپوینت<br>نوع فایل : PowerPoint (..pptx) ( قابل ویرایش و آماده پرینت )<br>تعداد صفحه : 65 صفحه<br><br> قسمتی از متن PowerPoint (..pptx) :<br><br> Virtual Private Network In the Name of Allah Virtual Private Networks Introduction What security problems do ******* solve ? What security problems are not solved by ******* ? ******* Principles of operation: tunneling, encapsulation, encryption and authentication ******* Technologies: Microsoft PPTP, L2TP and IPsec History and background of ******* 1 Internet multi-site organisations operated private networks using leased lines. This approach was expensive and inflexible. It became cheaper to use shared Internet than dedicated. Virtual Private Network is a type of private network that uses public telecommunication, such as the Internet, instead of leased lines to communicate ******* enabled more flexible use of larger networks by removing network geography constraints from shared-insider LAN/Intranet associations and services. With cryptography as part of a *******, a travelling saleseman could communicate with head office at lower risk from spying competitors etc. What problems do ******* solve ? Avoiding costs of fixed lines. Extending security context of LAN across sites, regardless of geography, including to mobile users. Authentication: knowing who your users are. Encryption: preventing monitoring of use of insecure client server applications at the network level. What security problems do ******* not solve ? Having a ******* which isn't secure and not knowing this is probably worse than having no ******* Traffic analysis: monitoring of packet sizes, network usage times, endpoints of conversation etc. ******* can be used to pierce firewalls, by encapsulating traffic prohibited by organisation policy within a firewalled perimeter which the firewall can't inspect or control.,   برای مشاهده توضیحات فایل  پاورپوینت Virtual Private Network  اینجا کلیک کنید برای دانلود فایل باکیفیت پاورپوینت Virtual Private Network روی دکمه زیر کلیک نمائید ✔️  دارای پشتیبانی 24 ساعته تلفنی و پیامکی و ایمیلی و تلگرامی ✔️  بهترین کیفیت در بین فروشگاه های فایل ✔️  دانلود سریع و مستقیم ✔️  دارای توضیحات مختصر قبل از خرید در صفحه محصول ✔️ دانلود پاورپوینت Virtual Private Network