Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [R] [S] [T] [U] [V] [W] [X] [Z] DAS (dual attached stations) data access troubleshooting checklist 2nd data flow control LLC (Logical Link Control) standards (IEEE 802 standards) data transmission rates 2nd data-link layer (OSI reference model) 2nd LLC (Logical Link Control) layer MAC (Media Access Control) layer databases partitioning replication datagram packet switching 2nd dB(decibels) wireless antennas decimal-to-binary value conversion chart dedicated local bandwidth default gateways 2nd 3rd versus gateways 2nd Destination Host Unreachable error message (ping utility) DFS (Distributed File Systems) Windows servers 2nd DHCP (Dynamic Host Configuration Protocol) 2nd dynamic addresses scopes DHCP (Dynamic Host Control Protocol) networks services configuring removing diagnostic utilities ARP switches list table dig 2nd help facility, accessing ifconfig 2nd ipconfig 2nd switches list table usage examples 2nd list of 2nd nbtstat switches list table 2nd netstat information headings 2nd netstat-a utility 2nd netstat-e utility 2nd netstat-r utility netstat-s utility 2nd 3rd switches list table nslookup 2nd switches list table ping Destination Host Unreachable error message DNS Expired TTL error message loopback addresses Request Timed Out error message switches list table troubleshooting example 2nd Unknown Host error message trace route 2nd commands list table 2nd network congestion winipcfg usage examples dial-up Internet access [See POTS/PSTN] dial-up Internet connections troubleshooting 2nd dialog modes full-duplex switches half-duplex simplex differential backups dig diagnostic utility 2nd directional antennas directories Linux security NetWare security 2nd disaster recovery backup strategy comparison table 2nd backups cleaning tape drives labeling tapes 2nd new tapes offsite storage 2nd verifying cold spares cold swapping differential backups full backups hot spares hot swapping incremental backups 2nd recovery sites cold sites hot sites 2nd warm sites tape rotation backups GFS (Grandfather, Father, Son) backup rotation warm swapping disk duplexing disk mirroring disk quotas Windows servers disk striping with parity [See RAID 5 fault tolerance] distance vector routing protocols IPX RIP (Routing Information Protocol) 2nd RIP (Routing Information Protocol) routing tables versus link state routing protocols distributed computing network models Distributed Print Services (Novell) distributions Linux DNS (Domain Name Servers) TCP/IP protocol suite DNS (Domain Name Service) ping utility DNS (Domain Name Service) protocol 2nd 3rd HOSTS files 2nd DNS (Domain Name System) networks services DNS server addresses documenttation solution documentation (troubleshooting steps/procedures) 2nd domain controllers Windows servers as DSL remote network connections DSL Internet access [See Internet access;xDSL] DSL Internet connections troubleshooting 2nd DSSS (direct sequence spread spectrum) chips dynamic addressing dynamic routing environments 2nd distance vector routing protocols 2nd IPX RIP (Routing Information Protocol) 2nd rotuing tables versus link state routing protocols link state routing protocols LSA (link state advertisements) NLSP (NetWare Link State Protocol) OSPF (Open Shortest Path First) versus distance vector routing protocols |