Computer Networking First-Step

Index

[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [R] [S] [T] [U] [V] [W]

data link framing

     on WANs 2nd

data link layer protocols

data transmission

     electrical interference

     error recovery

     over LANs 2nd 3rd

         cabling

         cabling:STP

         cabling:twisted pair

         cabling:UTP

         connectors 2nd

         digital transmission 2nd

     packets

decapsulation

     in IP routing process

decimal numbering system 2nd

     converting to binary 2nd 3rd 4th 5th 6th 7th 8th

    IP addresses

         converting to binary IP addresses 2nd 3rd

decimal values

     converting to hexadecimal and binary values 2nd

decryption 2nd

default gateways

denial of service attacks

depletion of IP addresses

deploying VLANs

     reasons for 2nd

destination address field (Ethernet)

destination IP address field

devices

     broadcast domains

     DSLAMs

     Frame Relay switch

    Frame Relay switches

         connecting to 2nd

     hubs 2nd

         congestion 2nd

     LAN switches

         full-duplex transmission

         reducing congestion 2nd 3rd 4th 5th 6th

     modems 2nd 3rd

         analog

         DSL

         operation 2nd

         transmission speeds

     routers

         forwarding to WAN links

    switches

         autonegotiation 2nd

         creating VLANs 2nd 3rd

         flooding 2nd

         forwarding decisions

         learning MAC addresses 2nd

         MAC address table

         supporting multiple speeds

         trunking 2nd 3rd

         trunks

     WAN switches

DHCP

     in IP routing process 2nd

diagrams

     clouds

digital transmission 2nd 3rd

directly connected subnets 2nd

disk drives

DIX Ethernet

     versus 802.3

DLCI (data-link connection identifier)

DLCIs 2nd

     Inverse ARP messages 2nd

DMZs 2nd

DNS

     authoritative DNS servers

     domains

     name format

     name resolution process 2nd 3rd 4th 5th 6th

     root DNS servers

DNS (Domain Name System) 2nd 3rd

DNS (Domain Name System) servers

DNS servers

domains

dotted decimal format

dotted decimal notation

downloading files 2nd 3rd 4th 5th

DSL

     co-location

     connecting to Internet

     modems

     transmission speeds

     variants

DSLAM (DSL access multiplexer)

DSLAMs

dynamic routes

     routing updates 2nd

dynamically assigned port numbers

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