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• system administrator (sysadmin)
• erlang
• fiber jumper
• patch cord
• staggered quadrature phase-shift keying
• KVM switch (keyboard, video, mouse switch)
• concentrator
• flooding
• Audiobook: Intrusion Prevention Fundamentals
• AppleTalk
• AMTOR (amateur teleprinting over radio)
• automatic repeat request (ARQ)
• IS-IS (Intermediate System-to-Intermediate System protocol)
• virtual LAN (VLAN)
• autotrunking
• virtual systems management (VSM)
• GVRP (GARP VLAN Registration Protocol or Generic VLAN Registration Protocol)
• VxWorks
• Metcalfe's Law
• variable-length subnet mask (VLSM)
• wildcard mask
• fixed-length subnet mask (FLSM)
• Next Steps in Signaling (NSIS)
• baseboard management controller (BMC)
• packet loss
• Traversal Using Relay NAT (TURN)
• delay-tolerant network
• logical router
• Certified Wireless Networking Professional (CWNP)
• infrared radiation (IR)
• telematics
• phase-locked loop (PLL)
• CDPD (Cellular Digital Packet Data)
• USSD (Unstructured Supplementary Service Data)
• frequency-hopping spread spectrum
• UHF (ultrahigh frequency)
• VHF (very high frequency)
• infrared transmission
• iDEN (Integrated Digital Enhanced Network)
• GTAG (Global Tag)
• CTI (computer-telephony integration)
• SIGTRAN (Signaling Transport)
• virtual area network (VAN)
• virtual private LAN service (VPLS)
• GMPLS (Generalized Multiprotocol Label Switching or Multiprotocol Lambda Switching)
• hardware VPN
• routing table
• hardware load-balancing device (HLD)
• split horizon
• route poisoning
• reverse DNS (rDNS)
• start of authority record
• core router
• CRC-4 (Cyclic Redundancy Check 4)
• segmentation and reassembly (SAR)
• home agent
• red route
• PAIR (Policy Analysis of Internet Routing)
• green route
• grey route
• cross-bar switch
• mrouter (multicast router)
• one-armed router
• dynamic port numbers (private port numbers)
• port mirroring (roving analysis port)
• NWay
• ingress
• Molex
• routing switch
• near-end crosstalk (NeXT)
• time-to-live (TTL)
• CIDR (Classless Inter-Domain Routing or supernetting)
• ATM (asynchronous transfer mode)
• High-Speed Serial Interface (HSSI)
• autonomous system (AS)
• stackable hub
• unicast
• split
• root server system
• path
• packet-switched
• hub
• edge router
• Usenet
• offline
• online
• runt
• presentation layer
• packet
• networking chip
• internetworking
• protocol-independent multicast (PIM)
• SYN scanning
• dynamic packet filter
• rule base
• PPP (Point-to-Point Protocol)
• NNTP (Network News Transfer Protocol)
• CDDI (Copper Distributed Data Interface)
• Packet-Level Procedure (PAP)
• Xmodem



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