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techtionary-uiHere are some of the animated tutorials in TECHtionary:


About TECHtionary

A/B Bits in T-1 signaling

Access-Edge Routers

ADM-Add-Drop Multiplexer-Optical

ARP-Address Resolution Protocol

ARP and RARP-Reverse ARP Packet

Aerial Plant

Akami-Content Delivery

AMI-Alternate Mark Inversion”;


ASK-Amplitude Shift Keying”;

Analog-Digital Basics  “;

Analog Signal: Transmission Network”;

Answer Supervision”;

ASP-Application Service Provider”;

ASP: Top-10 Opportunities”;

Aspect Ratio-Video Scanning Technology”;

Array Proxy Server-Hierarchical “;


ATU-Asymmetrical Transceiver Unit “;

Asynchronous Data Transmission”;

Async-Plesio-Sync-Isochronous “;

ATM-Asynchronous Transfer Mode Cell”;

ATM Cell with MPLS Label”;

AAL-ATM Adaptation Layer”;

ATM Multi-Service Switches”;

ATM Tutorial-UNI-NNI, etc.”;

ATM-Virtual Paths & Channels”;


ACD-Automatic Call Distributor”;

Automatic Callback – CLASS Feature “;

ANI-Automatic Number Identification”;

ASON-Automatic Switched Optical Network”;

AS-Autonomous Systems





Back-off Window-CSMA-CD”;

Backplane  “;

BECN-Backward Explicit Congestion NOtification  “;

Bag-Telephone Pole Connector”;

Bandwidth Hertz/cycles”;

Bandwidth options”;

Bandwidth-DSL “;

Bandwidth-POTs “;

Baseband modulation “;

Battery-Backup-UPS-Uninterruptable-Universal Power Supply”;

Baud – Baudot – Hertz”;

BNC-Bayonet Neil Concelman Connector”;

BNC example at work”;

BICC-Bearer Independent Call Control  “;

BPSK-Binary Phase Shift Keying – FSK-PAM”;


BISYNC-BInary SYNChronous”;


Bit coding-encoding”;

BER-Bit Error Rate”;

Bit Padding, Stuffing 0-Bit Insertion”;

BPRZ-B3ZS-B8ZS-Bi-Polar 3/8 Zero Subsitution”;

Blade Server-RAID-Server “;


BGP-Border Gateway Protocol”;

BGP: AS-Autonomous Systems”;

BGP: Closest Neighbor Preference”;

BGP: Community”;

BGP: Confederations (Interior AS)”;

BGP: Confederations, Benefits of”;

BGP: Local-Preference”;

BGP: Lowest IP Preference”;

BGP: Lowest Origin Type-Value”;

BGP: MED-Multi-Exit Descriminator”;

BGP: MED: External-Internal Preference”;

BGP: Next Hop Attribute”;3

BGP: Origin Attribute”;

BGP: Peer Group”;

BGP: Road Rules (Routing)”;

BGP: Route Availability”;

BGP: Route Theory”;

BGP: Selection Processes”;

BGP: Shortest Path”;

BGP: Explain \”Speak\””;

BGP: Weight or Metric”;

Border Internal Gateway Protocol”;

Boring-Cable Trenching”;

BORSCHT-Central Office Switching”;

Bridge-Tap (large file)”;

Bridge Loop – VLAN”;

Broadband modulation “;


Bubble Switch: Optical”;

Building Wiring Tutorial”;

Bursty data “;

Bus (PC) Architecture “;

Bus Topology – Star, Ring-Loop, etc.”;

Business-Residential Lines “;

Business Lines/Trunks – T1-ISDN “;

Busy Hour Studies – basics “;

Byte or Octet”;



Cable Connections LAN “;

CEV-Cable Equipment Vault”;

Cable Modem ISP Access (CATV)”;

CMTR-Cable Modem Telco Return”;

CMTS-Cable Modem Termination System”;

Cache-Content-Case Study “;

Cache-Proxy Server-Overview “;

Cache – Satellite”;

Call Block/Trace/Priority/Callback “;

Call Center – ACD”;

Call Waiting”;

Call Waiting Internet”;


Call Sequencer-ACD-Automatic Call Distributor”;

Carrier Hotel”;

CSMA-CD-Carrier Sense Multiple Access”;


CAT5-Category 5 Twisted-Pair Wiring”;

Cell: ATM”;

Cell: ATM with MPLS Label”;

Cell: Padding”;

Centrex-CENTral office EXchange”;

Centrex-IP Switching”;

CO-Central Office-overview”;

CO-Central Office Switching”;

CPU-Central Processing Unit Concepts”;

CPU-Functional Processes”;

CHAP-Challenge HAndshake Protocol”;

CAS-Channel Associated Signaling”;

CSU-DSU-Channel Service Unit”;

Channelized Trunks/Channels “;

Chromatic Dispersion”;


Class 5-4 Central Offices”;

CBQ-Class-Based Queuing”;

CCC-Clear Channel Capability”;

Client-Server Computing”;

CWDM-Coarse Wave Division Multiplexing”;

Coaxial Cable: Thicknet”;

Coaxial Cable: Thinnet”;

Co-channel interference”;

CDMA-Code Division Multiple Access”;

Cold-Hot Potato Routing “;

Collapsed Backbone – Link Aggregation”;

COLO-Co-Locator-Location Facility”;

CIR-Committed Information Rate”;

CLLI-Common Language Location”;

CM-Communicatons Module (5ESS)”;

Community (BGP)”;

CATV-Community Antenna TeleVision”;

CATV: Next Generation Network”;


CATV-Cable House Drop”;

CATV-Cable Modem Frequencies”;

CATV-Cable Tap”;

CATV-HFC converter & coupler”;

CATV-ONI-Optical Network Interface”;

CCI-Co-Channel Interference”;

CCK-Complimentary Code Keying”;

CLEC-Competitive Local Exchange Carrier  “;


CTI-Computer Telephony Integration”;


Coding: T1-BPRZ-AMI-B8ZS”;

Conduit – Building Wiring Tutorial”;

Confederation(s): Explain”;

Confederations, Benefits of”;

Connection-Oriented Connection-Less”;

Connector: BNC”;

Connector: RJ-45″;

“Connector: RJ-48  “;

Constellations-QAM/QPSK “;

Contention Window-CSMA-CD”;

Cookies, getting a good fortune”;

CR-LDP Constraint Based Routing Label Distribution  “;

CR-LDP (MPLS signaling)  “;

Content Distribution Networks  “;

Content Proxy Server  “;

Content Case Study “;

Convergence-Route Flapping”;

Crossbar Switch – Circa 1936″;

Cross Box”;

Crossbar Versus Bus Topology “;

Crossconnect-Digital Access”;

CrossOver LAN Cable”;

Crosstalk-RFI-Radio Frequency Interference “;

CLASS-Custom Local Area Signaling Services “;

Cut-Through LAN Cable “;


Cylinder-Hard Drive “;

CRC-Cyclic Redundancy Check “;



D4 Superframes – Extended “;

Dark Fiber-POS-Packet-ring Over SONET”;

DB-9 Data Bus 9 Connector   “;

DCE-Data Communications Equipment  “;

Data Encapsulation   “;

DES-Data Encryption Standard “;

DLCI-Data Link Connection Identifier”;

Data Packet – basics (packaging)”;

Data Routing”;

DOCSIS-Data Over Cable Service Interface Specifications”;

DSU-CSU Data Service Unit”;

DTE-Data Termination Equipment  “;

DIA-Dedicated Internet Access “;

Delay Dial signaling “;

Demarc-Demarcation-66 Block”;

DOS-Denial of Service-Spoofing”;

DWDM-Dense Wave Division Multiplexing”;

DWDM Switch – Example”;


Dialback – fault-tolerant backup”;

DNIS-Dialed Number Identification Service”;


Dial-in-RADIUS-RAS-Remote Access Dial-In User Service “;

Dial-Rotary – Dial M For Murder-Video”;

Dial-Stepper – Dial M For Murder-Video”;

Diameter Protocol”;

Differential Data Transmission”;

DGD-Differential Group Delay”;

DiffServ-Differentiated Services”;

DiffServ – At Work”;

Digital-Analog Basics  “;

DACS-Digital Access Crossconnect”;

DAFS-Digital Access File System”;

D-AMPS-Digital Advanced Mobile Phone  “;

DAM-Digital Asset Management”;

Digital Certificates  “;

DLC-Digital Loop Carrier”;

Digital Signal: Transmission Network”;

DS1-Digital Subscriber Level 1-T1″;

DS3-T3-Frame – T-2″;

DSL-Digital Subscriber Line Details”;

DSL-Bandwidth “;

DSLAM-DSL Access Multiplexer-Basics”;

DSLAM-DSL Access Multiplexer-Details”;

xDSL & POTS access to the ISP”;

Digitizing  “;

DBS-Direct Broadcast Satellite”;

DID-Direct Inward Dialing”;

DSSS-Direct Sequence Spread Spectrum”;

Directional CATV coupler (large file)”;


DSF-Dispersion Shifted Fiber”;

Distance Vector Routing Protocols”;

DVMRP-Distance Vector Multicast Routing Protocol”;

DQDB-Distributed Queue Dual Bus”;

DNS-Domain Name Service-Server”;

DTMF-Dual Tone Multi-Frequency”;

DPSK/DQPSK-Dual Binary-Quadrature Phase Shift Keying “;

Dumb Terminal-Telnet, SLIP”;

DTM-Dynamic Transfer Mode”;



802.1p/q Ethernet with QoS”;

802.1d Transparent bridging”;

802.11a/b/g Wi-Fi-Wireless Fidelity”;

802.16 Ultra-Wide Bandwidth”;

802.17 Resilient Packet Ring”;


E-commerce Case Study”;

Edge-Access Routers”;

E-Learning Content Case Study “;

Electrical Breaker-Backup Generator”;

Electro-Magnetic Noise Signal-to-Noise “;

Email-SMTP-Simple Mail Transport Protocol “;



ESP-Encapsulation Security Payload”;

Encoding – bit”;

EO-End Office (large file)”;

Erlang-Poisson “;

Encryption-Public-Private  “;

Erbium Doped Laser Amplifier”;

Ethernet: Metro”;

Ethernet: Thin-net”;

Ethernet: 10BASE-T”;

EoMPLS-Ethernet Over MPLS”;

Ethernet Packet”;

Ethernet: Gigabit Frame-Packet”;

Ethernet-Packet-ring Over SONET”;

Ethernet: Thin-net”;

Ethernet: 10BASE-T”;

Ethernet: Comparison 1 & 10 Gigabit”;

Ethernet Virtual Connections”;


Explicit-Source Routing “;

ESF-Extended Super Frame “;

EAP-Extensible Authentication Protocol”;

Exterior Gateway Routing Protocols “;

Extranet-Intranet “;

Extreme UltraViolet Lithography “;



4B/5B encoding”;

4-Wire-2-Wire Loops – Introduction”;

40 Gigabit interface”;

FAS-NFAS-Facility Associated Signaling”;

FEXT-Far End Cross Talk”;

FARSITE-Global Storage Concept”;


FC-Fiber Channel-iFCP, FCIP, iSCSI”;

FDDI-Fiber Distributed Data Interface”;

Fiber-Optic: Chromatic Dispersion”;

Fiber-Optic: Modal Dispersion”;

Fiber-Optic Cable: What is it?”;

Fiber-Optic Cable: Single-mode”;

Fiber-Optic Cable: Multi-mode”;


FTP-File Transfer Protocol”;


Firewire – IEEE 1394″;

Flags – Asynchronous Data “;


Flashhook signaling “;

Flooding in content delivery nets”;

Flow Control”;

FA-Foreign Agent-Mobile IP”;

FX-Foreign eXchange”;

FECN-Forward Explicit Congestion NOtification  “;

FEC-MPLS Forwarding Equivalence Classes “;

Frame Relay Tutorial  “;

FRAD-Frame Relay Access Device   “;

Frame Relay Frame   “;

Frame Relay CIR-Committed Information Rate”;

Frame with MPLS “;

Frame Relay Pricing Elements “;

Frame: X-25 “;

Framing Bits – T-1-ISDN-PRI “;

FSO-Free Space Optics “;

Frequency “;

Frequency – Hertz”;

FDD-Frequency Division Duplexing “;

FDM-Frequency Division Multiplexing “;

Frequency Hopping – CDMA “;

FM-Frequency Modulation”;

Frequency Pattern Cell Re-Use  “;

FSK-Frequency Shift Keying – PSK-PAM”;

FBTC-Fused Bioconical Tapered optical Coupler  “;



G.7xx – Audio & H.323 – Multi-Media”;

GMLC-Gateway Mobile Location Center”;

GMSK-Gaussian Minimum Shift Keying”;

GPRS-General Packet Radio Service”;

GPRS-TDMA – Time Slots-Frames”;

GMPLS – Generalized MPLS”;

GFP-Generic Framing Procedure”;

GRE-Generic Routing Encapsulation”;

GRE in action”;

GEO-Geo-synchronous Orbit”;


GE-Gigabit Ethernet Frame-Packet”;

Gigabit ethernet LAN Service”;

Global Storage Concept-FARSITE”;


GSM-Global Standard for Mobile”;

GSM-TDMA-Time Division Multiple Access”;

Grid Services Architecture”;


Grooming – Optical Crossconnect”;

Ground Start Signaling “;

Guardband-FDM-Frequency Division Multiplexing “;




H.323 – Multi-Media conferencing”;

Half-Tap-Bridge-Tap (large file)”;

Handshaking – Modem Communications”;

Hard Drive”;

Hard Drive-Cylinder “;

Headend-CATV-Community Antenna TeleVision”;



Hidden Station Problem Wireless LAN”;

Hierarchical Proxy Server-Array “;

Hierarchical Topology  “;

HDLC-High-level Data Link Control”;

HDTV-HDMI-High Definition Television Multimedia”;

HUNE-High-frequency Unbundled Network Element”;

HA-Home Agent-Mobile IP”;

HLR-SS7 Home-Visitor Location Register”;

HomeRF-Radio Frequency-Superframe-Subframes”;

Homing-Single-Multi “;

Honeypot-Network Intrusion”;

Hop-by-Hop & Explicit-Source Routing “;

Hoot-n-Holler multicast networks “;

Hot-Cold Potato Routing “;


Hub go-ahead topology”;

HFC-Hybrid Fiber Coaxial network”;

HFC-CATV converter”;

HTTP-Hyper-Text Transfer Protocol”;



Immediate Start signaling “;

Inband signaling  “;

ILEC-Incumbent Local Exchange Carrier  “;

Infiniband-DAFS-Digital Access File System”;

IGBT-Insolated Gate Bipolar Transistor”;

IM-Instant Messaging  “;

IAD-Integrated Access Device  “;

IAS-Integrated Access Service “;

ISDN:Integrated Services Digital Network vs POTs-Plain Old Telephone Service”;

ISDN-Integrated Services Digital Network – BRI”;

ISDN: BRI-Basic Rate Interface Packet”;

D-Data-Delta Channel”;

ISDN: FAS-NFAS-Facility Associated Signaling”;

ISDN: Packet Format”;

ISDN: PRI-Primary Rate Interface”;

IVR-Interactive Voice Response”;

IFS-Inter-Frame Spacing – CSMA-CD”;

Interlaced Scanning – video”;

IGRP-Interior Gateway Routing Protocols”;

IMT-Inter-Machine Trunk  “;

IDF-Intermediate Distribution Frame “;


Internet-AS-Autonomous Systems”;

ICW-Internet Call Waiting”;

Internet Centrex-IP Switching”;

Internet Address Classes A-B-C-D-E”;

ICAP-Internet Content Application Protocol  “;

ICMP-Internet Control Message Protocol  “;

IDC-Internet Data Center”;

Internet Edge-Access Routers”;

IeX-Internet exchange Points”;

iFCP-Internet Fiber Channel-iFCP, FCIP, iSCSI”;

IGMP-Internet Group Management Protocol  “;

IGMP at work  “;

IKE-Internet Key Exchange”;

IKE-ESP-Ecapulation Security Payload”;

IPv4-Internet Protocol Version 4″;

IPv4 Packet with Diffserv”;

IPv4-MPLS-Multi-Protocol Label Switching”;

IPSec-Internet Protocol Security”;

IPv6-IP Packet Version 6″;

lIPX-Internetwork Packet Exchange Packet”;

lISP-Internet Service Providers: How They Work”;

ISCSI-Internet Small Computer System Interface”;

ITAD-Internet Telephony Administrative Domain  “;


Iso-Sync-Async-Plesio “;

IMUX-Inverse Multiplexer”;




Jacks and Cable Connectors”;

JFK-Just For Keying (IP Security)”;




Keep Alive packets”;

KSU-KTS-Key System Unit-Telephone System”;

KVM-Keyboard Video Mouse Switch”;

Keys Public-Private”;

Kilobyte (KB)”;



LASERs/LEDs-Light Emitting Diodes  “;

Layer 1: Physical OSI Model”;

Layer 2: Data Link OSI Model”;

Layer 2: L2TP Tunneling Protocol”;

Layer 2 versus Layer 3 VPNs”;

Layer 3: Network OSI Model”;

Layer 4: Tranport OSI Model”;

Layer 5: Session OSI Model”;

Layer 6: Presentation OSI Model”;

Layer 7: Application OSI Model”;

Leaf & Root in Ethernet Virtual Connections”;

Least Significant Bit signaling”;

Line-Loops and Trunks”;

LOS-Line of Sight & Muti-path  “;

LFAP-Lightweight Flow Admission Protocol”;

LAPD/B-Link Access Protocol B/D-channel”;

LAPD-Link Access Procedure SONET”;

Link Aggregation – Collapsed Backbone”;

LCAS-Link Capacity Adjustment Scheme”;

Link State Routing Protocol”;

Liquid-Crystal Switch: Optical”;

Load Balancing Server”;

Loading Coil – Loaded Lines “;

LATA-Local Access Transport Area  “;

LAN-Local Area Network Cable Connections”;

LAN Segments”;

LAN Switch”;

LAN Switch – Tutorial “;

LAN Switching”;

LAN: TLS-Transparent LAN Service”;

LEC-Local Exchange Carrier  “;

Local Loop – Introduction “;

Local Loop-UNE-Unbundled Network “;

LMDS-Local Multipoint Distribution Service”;

LNP-Local Number Portability “;

Location Server “;

LLC-802.2 Logical Link Control “;

LD-Long Distance”;

Loop Start Signaling “;

Loop Topology –  Star, Ring”;

Loop-Line Sharing-Splitting”;

LEO-Low Earth Orbit”;



MDF-Main Distribution Frame “;

Managed Services-VLANs “;

MIB-Management Information Base “;

MIB another view”;

Manchester coding – NRZ-NRZI”;

Mantrap-Firewall “;

MAC-Media Access Control Addressing “;

MAC-Media Access Control CSMA-CD”;

MDI-Media Dependent Interface”;

MDIX-Media Dependent Interface Crossed (X)”;

MGC-Media Gateway Controllers”;

Medium Earth Orbit (MEO)”;

MEGACO-MEdia GAteway COntrol”;

Media Gateways in action   “;

Megabyte (MB)”;

Mesh-String-Ring-Collapsed Ring Networks”;



Metrospace Ethernet”;

MAE-Metropolitan Area Ethernet”;

MEMS-Micro-Electro Mechanical Switch: Optical”;

Microprocessor – Functional Processes”;

Mobile IP-Internet Protocol”;

MLR-SS7 Mobile Location Register”;


Modem-Handshaking Communications”;

Modem Spoofing-Telnet, SLIP”;


MP3-Motion Picture Experts Group”;

Multi-Access-Tenant Router”;

Mbone-Multicast backbone “;

MFO-Multicast Fan Out “;

MOSPF-Multicast Open Shortest Path First”;

Multicast-Packet-ring Over SONET”;

Multicast-PIM-Protocol Independent”;

MSDP-Multicast Source Discovery Protocol”;


Multicast Trees – Source, Shared “;

MMDS-Multi-channel Multipoint Distribution Service”;

Muti-drop data networks  “;

MED: Multi-Exit Descriminator”;

MED: External-Internal Preference”;

Multi-Homing “;

Multi-path wireless transmission  “;

MIMO-Multiple Input Multiple Output”;


Mux-Multiplexing  “;

Multiplexing Split  “;


MPLS-Multi-Protocol Label Switching FEC “;

MPLS: Explicit-Source Routing “;

MPLS: Frame with MPLS “;

MPLS: IP Packet-IPv4IPv4 with MPLS”;

MPLS: IP Network Before MPLS”;

MPLS: Label Distribution Protocol (LDP)”;

MPLS: Labeling   “;

MPLS: Label Swapping  “;

MPLS: LERs & LSR Routers  “;

MPLS: LERs-Label Edge Routers & LSRs Talking”;

MPLS: Trunks & Paths”;

MPLS: Trees   “;

MPLS-Multi-Protocol Lambda Switching”;

Multi-Service Switching – Intro”;

MSDT-Multi-Systems Digital Terminal”;



Nx64 Services Provisioning “;

NACSE-TECHtionary Certification Program”;

NetBios-Network Basic input-output system”;

NAP-Network Access Point”;

NAR-Network Access Register”;

NEXT-Near End Cross Talk”;

Network Address Translation”;

Network Demarcation”;

NIC-Network Interface Card”;

NIC and CSMA-CD-Carrier Sense Multiple Access”;

NIDS-Network Intrusion Detection Systems”;

Networks: Next Generation”;

NOC-Network Operations Center “;

NNI-Network-to-Network Interface-ATM “;

Next Hop Attribute”;

Nonce-Keys Public-Private”;

Noise-SNR-Signal-to-Noise Ratio – RFI-EMI-EMP”;

NRZ-Non-return to Zero & Inverted”;

NDSF-Non-Dispersion Shifted Fiber”;

NZDF-Non-Zero Dispersion Fiber”;

Number Portability “;



1FR-1MR-1FB-1MB “;

1x, 1xEX, 1xRTT, 3x, 3G Wireless”;

110-66 Block – MDF-Main Distribution Frame “;

Octet or Byte”;


OPX-Off Premise eXtension”;

Online Stock Trading”;

OSPF-Open Shortest Path First”;

OSPF-MOSFP- Overview”;

OSI Model-Open Systems Interconnection”;

OSI Model – Explained in more detail”;

OSI Model In A Minute”;

OSI Model with LAN Protocols”;

OSI Model SS7 Layers”;

OSI Model Sub-Layer 1 Concepts”;

OSS-CO-Operational Support Systems”;

OADM-Optical Add/Drop Multiplexer”;

Optical: Array Waveguides”;

Optical: ASON-Automatic Switched”;

Optical Cable: What is it?”;

Optical Cable: Single-mode”;

Optical Cable: Multi-mode”;

Optical: Chromatic Dispersion”;

Optical: Cross Connect”;

Optical: Fused Conical and Optical Couplers  “;

Optical: Generic Framing Procedure”;

Optical: Modal Dispersion”;

ONI-Optical Network Interface”;

Optical Switch: Bubble”;

Optical Switch: Example”;

Optical Switch: Liquid-Crystal”;

Optical Switch: MEMS”;

Optical Switch: Thermo-optic”;

Optical Transponder”;

OVPN-Optical Virtual Private Network”;

Optical: WARP-WAvelength Routing Protocol”;

Origin Attribute (BGP)”;

OFDM-Orthogonal Frequency Division Multiplexing”;

Outside Plant (circa 1900)”;

Out-of-band & Inband signaling  “;

Outoing business Lines/Trunks – T1-ISDN “;

Overlay Area Codes-LATAs  “;



Packet: ATM-Asynchronous Transfer Mode”;

Packet: CR-LDP (MPLS signaling)  “;

Packet: Diameter Protocol”;

Packet: Ethernet”;

Packet: GFC-Generic Routing Encapsulation”;

Packet: Gigabit Ethernet Frame-Packet”;

Packet: HDLC-High-level Data Link Control “;

Packet: L2TP-Layer 2 Tunneling Protocol”;

Packet: LAPD/B-Link Access Protocol B/D-channel”;

Packet: ISDN-Integrated Services Digital Network”;

Packet: ICMP-Internet Control Message Protocol  “;

Packet: IGMP-Internet Group Management Protocol  “;

Packet: IP-Internet Protocol Version 4″;

Packet: IPv4 with Diffserv”;

Packet: IPv4IPv4 with MPLS”;

Packet: IP Version 6″;

Packet: IPX-Internetwork Packet Exchange Packet”;

Packet: NetBios”;

Packet: OSPF-Open Shortest Path First”;

Packet: Point to Point Protocol”;

Packet: PPTP-Point to Point Tunneling Protocol”;

Packet: RSVP Description”;

Packet: RIP-Routing Information Protocol”;

Packet: SMB-Server Message Blocks”;

Packet: SNMPv2  “;

Packet: SS7″;

Packet: SCTP-Stream Control”;

Packet: TRIP Keep Alive Header”;

Packet: TRIP Open Header”;

Packet: TRIP Route Header”;

Packet: TRIP Update Header”;

Packet: TCP Protocol”;

Packet: Token Ring”;

Packet: Tunneling Protocol – RFC 1701″;

Packet: UDP Packet”;

PBCC-Packet Binary Convolutional Keying”;

PING-Packet INternet Grouper”;

POS-Packet-ring Over SONET”;

Packet Switching-overview”;

Pair-gain DLC-SLIC-MSDT”;

Parallel-Serial Transmission”;

Parallel power system”;

PON-Passive Optical Network”;

PAP-Password Authentication Protocol”;



Peer Group-Border Gateway”;

Peering   “;

Peer-to-Peer PC LANs   “;

PHB-Per Hop Behavior”;

PVC-Permanent Virtual Circuit”;

PAN-802.15 Personal Area Networks “;

Personal Computer Bus Architecture “;

PC Bus Versus Crossbar “;

PCS-Personal Communications Service”;

Petabyte (PB)”;

Phantom power system”;

PM-Phase Modulation”;

PSK-Phase Shift Keying – FSK-PAM”;

Phontonic Layer – 10/40 gigabit”;

Phonotic Layer Multiplexing”;

Physical Media Sub-Layer 1 Concepts”;

Plesio-Iso-Sync-Asynchronous “;

POTS-Plain Old Telephone Service”;

Plenum – Return Air HVAC “;

Poems – A Few Bytes “;

POP-POT-Point of Presence/Termination “;

Poission-Erlang “;

Polarization Mode Dispersion”;

Policing Traffic-Shaping”;

Policy-QoS Manager”;


Ports Speeds – Frame Relay  “;


Power-Packet powerline technology”;


Powerline (electrical) access to ISP”;

Powerline: Spike  “;

Powerline: Sag  “;

PBX-Private Branch eXchange”;

PBX – indepth”;

PL-Private Line “;

PL-Private Line International”;

PVC-Private Virtual Circuit”;

Progressive Scanning – video”;

Protocol Conversion-Routers”;

PIM-Protocol Independent Multicast”;


Proxy Server-Overview “;

Proxy Server-Transparent Cache “;

Proxy Server-DNS “;

Proxy Server-Array-Hierarchical “;

PITN-Public Internet Telephone Network”;

PSTN-Public Switched Telephone Network”;

PSTN-(photos-large File-be patient)”;

PSTN-Offload-Voice-Data Over IP Solution”;

PAM-Pulse Amplitude Modulation – FSK-PSK”;

PCM-Pulse Code Modulation “;

PUNI-Public/Private User-Network “;

Pullcasting in content delivery nets”;




Q-in-Q Ethernet with QoS”;

QSIG-CAS-Channel Associated Signaling”;

QoS: Quality of Service in BGP”;

QoS: Broadband Content View”;

QoS: Policy Manager “;

QoS: in MPLS”;

QoS: Plannning for”;

Quantizing “;

Quantizing-MP3 “;

QAM-QPSK-Quadrature Amplitude Modulation “;



RFI-Radio Frequency Interference-Crosstalk “;

RADIUS-RAS-Remote Access Dial-In User Service “;

RAM-Random Access Memory “;

Rate Centers-LATAs-Overlay Codes  “;

Rate Policing”;

RTP-Real Time Transport Protocol “;

RTCP-Real Time Control Protocol   “;

RS-232-IEEE 1284-Connectors”;

RS-422-423-485-Multidrop networks”;

RAID-Redundant Array of Independent-inexpensive disk drives “;

RJ-45 Registered Jack Connector”;

RJ-48 Registered Jack Connector  “;

RCF-Remote Call Forwarding “;

RC-Remote Control “;

RT-Remote Terminal vault”;

RP-Rendezvous Point (Multicasting)”;

Replication content servers “;

RSVP-ReSerVation Protocol Packet Description”;

RG-Residential Gateways”;

Residential telephone lines “;

RPR-Resilient Packet Rings “;

Reverse Battery signaling “;

RPF-Reverse Path Forwarding”;

Ring Down Circuit”;

Ring Down-OPX-Off Premise eXtension”;

Ring-Collapsed Ring Networks”;

Ring/Progress telephone tones”;

Ripper-MP3-Motion Picture Experts”;

Riser Conduit – MDF-Main Distribution Frame “;

Roaming Wireless Communications”;

Root & Leaf in Virtual Connections”;

Root-Trusted Certificates”;

Rotary Dialing and DTMF-Dual Tone Multi-Frequency”;

Round Robin “;



Router Multi-Access-Tenant “;

Route Availability”;

Route Theory”;

Router ‘Eyes-On’ Tutorial “;

Routing: Road Rules”;

Routing Basics “;

RIP-Routing Information Protocol”;



66 Block”;

Sag (Powerline)  “;


Satellite – Cache”;

Satellite – Direct Broadcast”;

Satellites: Intersatellite links”;

Satellites: Low Earth Orbit (LEO)”;

Satellites: Medium Earth Orbit (MEO)”;

Satellites: Geo-synchronous Orbit (GEO)”;

SCART connector”;

SSL-Secure Sockets Layer(ing)”;

Security Keys Public-Private”;

SAR-Segmentation And Reassembly-ATM”;

Self-Healing SONET-POS-Packet-ring Over SONET”;

Serial-Parallel Transmission”;

SLIP-Serial Line Interface Protocol”;

Server: Introduction”;

Server: Load Balancing”;

Server: Location SIP “;

Server: RADIUS-RAS “;

Server: Blade-RAID “;

SMB: Server Message Blocks”;

SCP-Service Control Point “;

SNAP-Service Negotiation & Acquisition Protocol”;

SIP-Session Initiation Protocol”;

SIP – In Action “;

Shaping-Traffic Policing”;

STP-Shielded Twisted-Pair Wire”;

SMS-SS7 Short Messaging Service”;

SNR-Signal-to-Noise Ratio – RFI-EMI-EMP”;

STP-Signal Transport Point”;

SSP-Signal Switching Point”;

Signaling – Loop-Ground Start”;

SS7-Signaling System 7-Details”;

SS7: Introduction “;

SS7: Home-Visitor Location Register”;

SS7: Packet”;

SS7: A-F Links “;

SS7: OSI Layers”;


SKIP-Simple Key Exchange IP Protocol”;

SMTP-Simple Mail Transport Protocol “;

SNMP-Simple Network Management Protocol “;

SNMP in more detail”;

SNMPv2 – Message format”;

Simplex   “;

Sine wave”;

Slew rate”;

Sliding TCP Window   “;

Smurf-DOS-Denial of Service”;

Softswitch-Switching in Software”;

Solutions-Applications Service Provider”;

Solutions-Selling Business Issues”;

Solutions-Selling Call Centers”;

Solutions-Selling Management Issues”;

Solutions-Selling Processes”;

Solutions-Selling Scenarios”;

Solutions-Selling Styles”;

Solutions-Selling Technical Issues”;

Solutions-Selling Virtual Office”;

Spanning Tree in MPLS”;

Spanning Tree in transparent bridging”;

Spanning Tree – Cable Modem Network”;

Spatial beamforming – wireless”;

SDM-Spatial Division Multiplexing”;

Spatial Reuse – RPR “;

Speak: BGP Explain “;

Spike (Powerline) “;

Split Horizons “;

Spoofing: How It Works”;

Spoofing-DOS-Denial of Service”;

Spread Spectrum Frequency Hopping “;

Spread Spectrum-WiFi”;

Star Topology – Loop, Ring”;

SMDR-Station Message Detail Recording”;

Statistical-Multiplexing “;

SCTP-Stream Control Transmission Protocol”;

Streaming video”;

Streaming Satellite Content”;

Stripping – RPR “;

SAN-Storage Area Network “;


SLIC-Subscriber Line Interface Carrier”;

Sub-DLCI-Data Link Connection Indentifier”;

Subnet Mask: Explain subnet mask”;

Subnet Variable Masks”;

Subnet Mask: Explain addressing”;

Submarine Network Architectures”;

Subrate T-3″;

Superframe and Extended Superframe “;

Switch: Crossbar – Circa 1936″;

Switch: LAN”;

Switch: LAN – Tutorial “;

Switch: Optical: Bubble”;

Switch: Optical: MEMS”;

Switch: Optical: Thermo-optic”;

Switch: Optical: Liquid-Crystal”;

Switch: Step-By-Step – Circa 1891″;

SMDS-Switched Multimegabit Data Services”;

SM-Switching Module (5ESS) Central Office”;

Symbol coding 4B/4B FDDI”;


Sync-Iso-Async-Plesiochronous “;

SDH-Synchronous Data Hierarchy “;

SDLC-Synchronous Data Link Control “;

SONET-Synchronous Optical NETworks”;

SONET ADM-Add-Drop Multiplexer “;

SONET-SPE-Concatenation  “;

SONET & DWDM-Dense Wave Division Multiplexing “;

SONET-Fault-Tolerant Ring”;

SONET OC-Optical Carrier Levels”;

SONET Speeds “;

SONET-SPE-Sonet Payload Envelope  “;

SONET VT-Virtual Tributary”;

STM-Synchronous Transmission Mode “;

SIV-System Integrity Verifiers-NIDS”;



1-10 Gigabit Ethernet”;

10Base-T568A-B-CAT5 Wiring”;


10-100BASE-T Ethernet”;

2B1Q-2 Binary 1 Quaternary”;

2-Wire-4-Wire Loops – Introduction”;

3270-Terminal and Client-Server Computing”;

3GIO-Third Generation Input/Output Interconnect”;

T.120 – H.323 – Multi-Media conferencing”;

Tag-Label MPLS Switching Basics “;

Tandem-Access Tandem CO”;

TRAC-Telco Return Access Concentrator”;

TMN-Telecommunications Management Network”;

Telephone Company”;

Telephone Network (large file)”;

Telephone Pedestal”;

TRIP-Telephony Routing Information Protocol-Clearinghouse “;

TRIP-ENUM-Electronic NUMbers!”;


TRIP Protocol: Keep Alive Header”;

TRIP Protocol: Open Header”;

TRIP Protocol: Route Header”;

TRIP Protocol: Update Header”;

Terabyte (TB)”;

Telnet-TErminal NETwork Emulation”;

TETRA-TErrestrial Trunked Radio”;

Thermo-optic Switch: Optical”;

Tie-Line Tie-Trunk”;

TDD-Time Division Duplexing “;

TDM-Time Division Multiplexing”;

TDMA-Time Division Multiple Access”;

TTL-Time-To-Live “;

Tip & Ring: Originating Call”;

Token Bucket “;

Token Ring Packet”;

Token Ring-Passing network”;

Topology – Bus, Star, Ring-Loop, etc.”;

Topology TRIP Clearinghouse  “;

Trace Route-PING-Packet INternet Grouper”;

Transit  “;

Transit Another View “;

Translations in CO Switching”;

T1-Transmission Level One”;

T-1 A/B bit signaling”;

T1 Coding Bits “;

T1 Framing Bits “;

T1 Super Trunks-Integrated Access “;

T3-Transmission Level Three & Subrate”;


Transmission Network: Analog Signal”;

Transmission Network: Digital Signal”;

TCP-Transmission Control Protocol Packet”;

TCP: How It Works”;

TCP: Packet Processing”;

TCP: Processes”;

TCP: Sliding Window   “;

TCP-UDP: Ports”;

TC-Transmission Sublayer One”;

Transparent bridging 802.1d”;

TLS-Transparent LAN Service”;

Transparent Proxy Server”;

Transport Mode – IPSec”;

Trees in MPLS “;

Trees – Source, Shared, Multicast “;


Trunks – Analog-Digital “;

Trunks/lines Business – in/outbound “;

Tunneling Protocol-RFC 1701″;

Tunneling in action”;

Twisted-Pair Wire: Shielded (STP)”;

TOS-Type of Service”;

Type 1/2 circuits Local Exchange Carrier  “;



UVEL-Ultra-Violet Extreme Lithography “;

UWB-Ultra-Wide Bandwidth-overview”;

UWB-Ultra-Wide Band transmission “;

Un(balanced)-RS-485-Multidrop networks”;

UVL-UCL-Unbundled Loops-Introduction”;

Unbundled Local Loop – more  “;

UNE-Unbundled Network Elements”;

UNE-H-High-frequency Unbundled Network Element”;

Unchannelized Trunks/Channels “;

Underground Plant”;


Unified Messaging/Multi-Media”;

URL-Uniform Resource Locator”;

UPS-Uninterruptable-Universal Power Supply”;

USB-Universal Serial PC Bus”;

USOC-Universal Service Order Codes”;

UTP-Unshielded Twisted-Pair Wire”;

UDP-User Datagram Protocol Packet”;

UDP-TCP Ports”;

UDP Processes”;

UNI-User-Network Interface-NNI-LMI “;

UNI-User-to-Network Interface-ATM “;



V.90 V.92 MODEM-MOdulator-DEModulator”;

Variable Subnet Masks”;

Video Scanning Technology”;

Video: Streaming”;

Virtual Concatentation”;

VLAN – Virtual LAN”;

VLAN Segment”;

VLAN-Tagged/Untagged Tutorial “;

VO-Virtual Office Solution Selling”;

VPN-Virtual Private Network-Introduction”;

VPN: Public Versus Private”;

VPN: ATM with Multi-Service Switching”;

VPN: Business-Application-Tutorial”;

VPN: Frame Relay Tutorial  “;

VPN: Layer 2 versus Layer 3″;

VPN: Service Delivery Models”;

VT-Virtual Tributary-SONET”;

VLR-SS7 Visitor Location Register”;

Voice Call Processing”;

Voice and Video Compression”;

VoIP-Voice Over IP   “;

VoIP-Media Gateways   “;

VoIP Standards – MP3 – Sampling”;

VRU-Voice Response Unit”;

Voice Routing   “;




WARP-WAvelength Routing Protocol”;

WAN-Wide Area Networks”;

WIS-10GE WAN Interface Specification”;

WCDMA-Wideband Code Division”;

Wink Start signaling “;

Winning-Thoughts and Sayings”;

Wire: Shielded Twisted-Pair (STP)”;

WAP-Wireless Applications Protocol”;

Wi-Fi Wireless-Fidelity – 802.11a/b/g”;

Wireless: 1x, 1xEX, 1xRTT, 3x, 3G “;

Wireless: CCK, OFDM, PBCC, etc.”;

Wireless: Co-channel interference”;

Wireless: CDMA-Code Division Multiple Access”;

Wireless: GSM-PCS Introduction”;

Wireless: FSO-Free Space Optics “;

Wireless: IP-Internet Protocol”;

Wireless: MMDS-LMDS-satellite Access”;

Wireless: SISO-MIMO”;

Wireless: Number Portability “;

Wireless: SS7-Short Messaging”;

Wireless:TDMA-Time Division Multiple Access”;

Wireless-UWB-Ultra-Wide Band transmission “;

Wrapping-Stripping – RPR “;




X10-Power Line Control System”;

X.25 Frame “;

X.25 Frame-More”;

X.86 Frame Encapsulation”;








Zero (0) Bit Insertion”;

Zero dispersion fiber”;

Z-pack HM Zd connector”;

Zettabyte (ZB)”;