Network Sales and Services Handbook (Cisco Press Networking Technology)
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D (data) channel
DACS (Digital Access and Cross-Connect Systems)
DACS (Digital Access Cross-Connect Switch)
data encapsulation
encapsulation
OSI Reference model:encapsulation;layers of OSI Reference Model:encapsulation
data rates:cable modems
cable modems:data rates
CATV:cable modems:data rates
data transfer mode (PVCs)
database description packets (OSPF)
datagrams:fragmentation
MTU:overloading
dedicated access
dedicated local access:customer premise configuration
network local access:customer premise configuration
NTUs (network termination units):placement of;NIUs (network interface units):placement of
dedicated local access:IXC dedicated
IXC dedicated access
network local access:dedicated:IXC dedicated 2nd 3rd 4th
dedicated local access:LEC dedicated
LEC dedicated access
network local access:dedicated:LEC dedicated
network local access:dedicated:LEC dedicated;local access:dedicated
dedicated local access:punch-down blocks
punch-down blocks
network local access:punchdown blocks 2nd
default gateways
default routes
delay
routing:metrics:delay
metrics:delay
des
DES (Data Encryption Standard)
encryption:DES
deterministic networks
devices
smart cards
devices:CSU/DSU
CSU/DSU
communication equipment:CSU/DSU
devices:DTE/DCE interfaces
DTE/DCE interfaces
communication equipment:DTE/DCE equipment
devices:DTE/DCE interfaces:HIPPI
DTE/DCE interfaces:HIPPI
communication equipment:DTE/DCE equipment:HIPPI;HIPPI (High-Performance Parallel Interface)
devices:DTE/DCE interfaces:HSSI
DTE/DCE interfaces:HSSI
communication equipment:DTE/DCE equipment:HSSI;HSSI (High-Speed Serial Interface)
devices:DTE/DCE interfaces:RS-232C
DTE/DCE interfaces:RS-232C
communication equipment:DTE/DCE equipment:RS-232C;RS-232C standard 2nd
devices:DTE/DCE interfaces:RS-422/449
DTE/DCE interfaces:RS-422/449
communication equipment:DTE/DCE equipment:RS-422/449;RS-422/449 standards
devices:DTE/DCE interfaces:V.35
DTE/DCE interfaces:V.35
communication equipment:DTE/DCE equipment:V.35;V.35 standards
devices:DTE/DCE interfaces:V.90
DTE/DCE interfaces:V.90
communication equipment:DTE/DCE equipment:V.90;V.90standards
devices:multiplexers
multiplexers
communication equipment:multiplexers
devices:network addresses versus name
network addresses:versus device name
addresses:network addresses:versus device name
devices\:CSU/DSU
CSU/DSU
communication equipment\:CSU/DSU
DHCP (Dynamic Host Configuration Protocol)
dictionary attacks
attacks:dictionary
DID (Direct Inward Dialing)
DiffServ
QoS:DiffServ
diffusing computation
Dijkstra Algorithm
Disabled state (STP)
discard-eligible cells
cells:discard-eligible
discretionary
distance vector algorithms
Bellman-Ford algorithms
distance vector routing protocols
IGRP [See IGRP ]
distance-vector routing protocols
RIP [See RIP]
DLCIs (data-link connection identifiers)
DLCIs:local significance
PVCs:DLCIs:local significance
DLSw+ (Data Link Switching Plus)
DNS (Domain Name System)
DOCSIS (Data Over Cable Service Interface Specification)
DOD (Direct Outward Dialing)
dotted decimal notation
Down state (OSPF)
routers:OSPF:states
downstream neighbors
LANs:Token Ring:downstream neighbor
Token Ring:downstream neighbor;IEEE 802.5:downstream neighbor
DRs (designated routers)
DSL [See also xDSL ]
ADSL
standards
DSL (Digital Subscriber Line)
xDSL
DSLAM (DSL Access Multiplexer)
DTR (Dedicated Token Ring)
LANs:Token Ring:DTR
Token Ring:DTR;IEEE 802.5:DTR
DUAL (Diffusing Update Algorithm)
EIGRP:DUAL
route selection process:EIGRP:DUAL
dual rings
duplex modes
PVCs:duplex modes
virtual circuits:PVCs:duplex modes
DWDM (Dense Wave Division Multiplexing)
fiber optics:DWDM
DWDM (Dense Wave Division Multiplexing):implementations
fiber optics:DWDM:implementations
bandwidth:DWDM implementations
DWDM:optical amplifier
fiber optics:DWDM:optical amplifier
DXC (digital cross connect system)
dynamic load balancing
RIP:dynamic load balancing
dynamic routing algorithms
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