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IEEE 802.11i-2004 User Datagram Protocol Authentication Pre-shared key Handshaking, others, angle, text, number png
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OSI model Conceptual model Application layer Data link layer Physical layer, others, computer Network, angle, text png
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Remote desktop software Remote Desktop Protocol Computer Icons Computer Software, Gnome, miscellaneous, rectangle, computer Monitor Accessory png
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File Transfer Protocol Directory Computer Servers Network File System, world wide web, computer Network, angle, orange png
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Computer network Dell Virtual Link Trunking Network switch Link aggregation, Dell Networking, computer Network, angle, engineering png
Cisco 7821 VoIP phone Cisco 7841 Session Initiation Protocol Voice over IP, CISCO IP phone, electronics, 3pcc, internet Protocol png
snom D305, VoIP phone Adapter/Cable D315, VoIP phone Adapter/Cable Telephone, others, electronics, performance, extension png
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VoIP phone Telephone Panasonic Executive KX-UT670 Session Initiation Protocol, others, miscellaneous, electronics, internet png
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