Wednesday, November 17, 2010

I FOUND HIM

Friendship doubles our joy and divides our grief.
Swedish proverb 


I saw their pictures. (him & his girl friend) On my Facebook wall, i always see his posts, status etc.
I was happy for him.


After some months, i saw him online & buzzed him. He replied. That was the first time we chatted.
He responded cool and just like my kinda person. We talked a bit about ourselves and exchanged phone numbers.




A week or two passed and I didn't call him or text him. Finally, he broke the ice(he sent me a message)
& i was asleep. When i woke up, i saw his missed call, I was astonished.
WOW i screamed.
I replied his text & thats how it started with us.
 to be continued................................

Friday, November 12, 2010

INFORMATION TECHNOLOGY

Information technology (IT) is "the study, design, development, application, implementation, support or management of computer-based information systems, particularly software applications and computer hardware", according to the Information Technology Association of America (ITAA).IT deals with the use of electroniccomputers and computer software to securely convertstore,protectprocesstransmitinputoutput, and retrieve information.


Today, the term information has ballooned to encompass many aspects of computing and technology, and the term has become very recognizable. IT professionals perform a variety of functions (IT Disciplines/Competencies) that range from installing applications to designing complex computer networks and information databases. A few of the duties that IT professionals perform may include data management, networking, engineering computer hardware, database and software design, as well as management and administration of entire systems. Information technology is starting to spread farther than the conventional personal computer and network technology, and more into integrations of other technologies such as the use of cell phones, televisions, automobiles, and more, which is increasing the demand for such jobs.

IT Acronyms
Acronym↓MeaningPrimary Applicability↓Normative Reference↓
ACKAcknowledgementTransport and other layersTCP/IP, for example. RFC 793
ACLAccess Control ListSecurity, Application layerAccess control listCisco Overview
ADSLAsymmetric Digital Subscriber LineTelecomITU-T G.992.5 Annex M, for example
AESAdvanced Encryption StandardSecurityU.S. FIPS PUB 197
ANSIAmerican National Standards InstituteOrganizationANSI
ARPAddress Resolution ProtocolLink layerRFC 1122
ASAAdaptive Security Appliance (Cisco)HardwareCisco Overview
ATMAsynchronous Transfer ModeTelecomATM cell description
BGPBorder Gateway Protocol (routing protocol)Application layer, RoutersRFC 4271
BSSBasic Service Set (Wi-Fi)WirelessIEEE Std 802.11-2007
CATCATegory (e.g. CAT-5 cable)Physical layerANSI/TIA/EIA-568-B.1-2001
CCDACisco Certified Design AssociateIT Professional CertificationCisco Career Certification
CCITT (obs.)Standards organization that has been replaced by ITU-TOrganizationITU-T
CCENTCisco Certified Entry Networking TechnicianIT Professional CertificationCisco Career Certification
CCIPCisco Certified Internetwork ProfessionalIT Professional CertificationCisco Career Certification
CCNACisco Certified Network AssociateIT Professional CertificationCisco Career Certification
CCNPCisco Certified Network ProfessionalIT Professional CertificationCisco Career Certification
CDPCisco Discovery ProtocolLink layer, proprietaryCDP Packet Format
CHAPChallenge-Handshake Authentication Protocol (PPP)Security, TelecomRFC 1194
cHDLCCisco (proprietary) HDLCLink layer, proprietaryCisco Technology Handbook: HDLC
CIDRClassless Inter-Domain RoutingArchitectureRFC 1518 RFC 1519
CIRCommitted Information Rate (Frame Relay)TelecomRFC 1490 RFC 1973 RFC 2427
CLICommand Line InterpreterHardwareCatalyst 6500 Series Command Reference, 7.6, for example
COAXCO-AxialPhysical layerMIL SPEC M17/2-RGxxx Link is to a list of coax cable types
CPECustomer Premises EquipmentTelecomTelecom Glossary
CRCCyclical Redundancy CheckLink and other layers24 References here.
CRC-16-CCITTCyclical Redundancy Check (X.25, HDLC)Link layersReference on CRC page.
CSMA/CACarrier Sense Multiple Access / Collision AvoidanceWirelessIEEE Std 802.11 Downloads
CSMA/CDCarrier Sense Multiple Access / Collision DetectionPhysical layerIEEE Std 802.3TM-2002
CSU/DSUChannel Service Unit / Data Service UnitTelecomTelecom Glossary
DCEData Communications EquipmentTelecomTelecom Glossary
DEC (obs.)Digital Equipment CorporationOrganizationPurchased by Compaq in 1998. Merged with Hewlett-Packard 2002.
DESData Encryption Standard (obs. See AES)SecurityFederal Information Processing Standard (FIPS) FIPS-46-3
DHCPDynamic Host Configuration ProtocolApplication layer, Internet LayerRFC 2131 and others
DLCIData-Link Circuit Identifier (Frame Relay)TelecomRFC 1490 Cisco Technology Handbook: Frame Relay
DNSDomain Name ServerArchitectureRFC 1034RFC 1035
DNSDomain Name SystemApplication layerOver 30 RFCs here.
DRAMDynamic Random Access MemoryHardware
DSLDigital Subscriber LineTelecomTelecom Glossary
DSLAMDigital Subscriber Line Access MuliplexorTelecomTelecom Glossary (proposed)
DTEData Terminal EquipmentTelecomTelecom Glossary
EHAEthernet Hardware Address (MAC address)Link layerIEEE Std 802 IEEE OUI Assignments
EIAElectronics Industry AllianceOrganizationEIA
EIGRPEnhanced Interior Gateway Routing ProtocolInternet LayerCisco Doc ID: 16406
EOFEnd Of Frame (HDLC, etc.)Link layerHDLC framing
ESSExtended Service Set (Wi-Fi group)WirelessIEEE Std 802.11-2007
FCCFederal Communications Commission (US)OrganizationUS FCC
FCSFrame Check Sequence (Ethernet)Link layerEthernet Frame IEEE Std 802.3
FDDIFiber Distributed Data InterfaceLink layerAmerican National Standards Institute X3T9.5 (now X3T12),ISO/IEC 9314-x
FTPFile Transfer ProtocolApplication layerRFC 959 and others
GBICGigabit Interface ConverterHardwareSeagate Specification
GbpsGigabit per secondPhysical layerGigabit per second
HDLCHigh-level Data Link ControlLink layerISO 13239
HSSIHigh-Speed Serial InterfacePhysical layer (Cisco proprietary)Cisco Technology Handbook: HSSI
httpHyperText Transport ProtocolApplication layerW3C Change History for HTTP
httpsHyperText Transport Protocol SecureTransport and other layersSSL 3.0 Specification
IANAInternet Assigned Number AuthorityOrganizationIANA
ICMPInternet Control Message ProtocolInternet LayerRFC 792
ICNDIntroducing Cisco Network DesignIT Professional CertificationCisco Career Certification
IDFIntermediate Distribution FramePhysical layerStructured Cabling or Telecom Glossary
IDSIntrusion Detection SystemSecurityCisco Product Index
IECCommission Electrotechnique Internationale (French)OrganizationIEC
IEEEInstitute for Electrical and Electronic EngineersOrganizationIEEE
IETFInternet Engineering Task ForceOrganizationIETF
IMAPInternet Message Access ProtocolApplication layerRFC 3501
IOSInternetwork Operating System (CISCO)HardwareCisco IOS
IPInternet ProtocolInternet LayerRFC 791 RFC 1606
IPSIntrusion Prevention SystemSecurity"NIST - Guide to Intrusion Detection and Prevention Systems (IDPS)". 2007-02. Retrieved 2010-08-24.
IS-ISIntermediate System to Intermediate System (routing protocol)Internet LayerISO/IEC 10589:2002
ISDNIntegrated Services Digital NetworkTelecomIEC Area 716-xx
ISPInternet Service ProviderTelecomTelecom Glossary
ITU-TInternational Telecommunications UnionOrganizationhttp://www.itu.int
KbpsKilobit per secondPhysical layerKilobit_per_second
LANLocal Area NetworkLink and other layersTelecom Glossary
LAPBLink Access Procedure, Balanced (x.25)TelecomITU-T Recommendation X.222
LAPFLink-Access Procedure for Frame relayTelecomRFC 1490
LLCLogical Link ControlLink layerTelecom Glossary
MACMedia Access ControlLink layerIEEE Std 802.3 and 802.11, for example
MANMetropolitan Area NetworkTelecomTelecom Glossary
MbpsMegabits per secondPhysical layerMegabit_per_second
MCMultiple ChoiceIT Professional CertificationAbout certification exams
MDFMain Distribution FramePhysical layerGlossary See also Structured cabling
MIBManagement Information Base (SNMP)Application layerRFC 3418
MTUMaximum Transmission UnitMultiple layers
NACNetwork Access Control or Network Admission ControlLink and other layersIEEE 802.1x
NACKNegative AcknowledgementLink and other layersTCP/IP, for example. RFC 793
NATNetwork Address TranslationInternet LayerCisco Internet Protocol Journal: A look Inside Network Address Translators
NBMANon-Broadcast Multiple Access (e.g. Frame Relay ATM)TelecomSee ATMFrame Relay and X.25, for examples.
NICNetwork Interface CardPhysical layerTelecom Glossary
NRZNon-Return to ZeroPhysical layerFederal Standard 1037C
NRZINon-Return to Zero InvertedPhysical layerFederal Standard 1037C
NVRAMNon-Volatile RAMHardwareSample vendor data here
OSIOpen System Interconnect (joint ISO and ITU standard)OrganizationISO/IEC 9594-5:2005 Open Systems Interconnection Protocol Specifications
OSPFOpen Shortest Path First (routing protocol)Internet LayerRFC 2238
OUIOrganization Unique IdentifierLink and other layersIEEE OUI Assignments
PAPPassword Authentication Protocol (PPP)SecurityRFC 1334
PATPort Address TranslationInternet LayerRFC 1918
PCPersonal Computer (host)Hardware[4]Link
PCMPulse Code ModulationPhysical layerITU-T G.711
PDUProtocol Data Unit (such as segment, packet, frame, etc.)Multiple layersFed Std 1037C
PIXPrivate Internet eXchange (Cisco, obsolete)HardwareCisco Overview
POP3Post Office Protocol, version 3Application layerRFC 1939
POPPoint-Of-PresenceTelecomTelecom Glossary
POSTPower-On Self TestHardwareCisco Catalyst 2800 User Guide, for example
POTSPlain Old Telephone ServiceTelecomTelecom Glossary
PPPPoint-to-Point ProtocolTelecomRFC 1661
PPTPPoint-to-Point Tunneling ProtocolTelecomRFC 2637
PTTPublic Telephone and TelegraphTelecomTelecom Glossary or Free Dictionary
PVSTPer-VLAN Spanning TreeLink layerCisco's introduction to Spanning Tree Protocol
RADIUSRemote Authentication Dial-In User ServiceSecurityRFC 2865
RAMRandom Access MemoryPhysical layerTelecom Glossary
RARPReverse ARPLink layerRFC 903
RFCRequest for CommentsMultiple layersIETF's RFC Index
RIPRouting Information ProtocolInternet LayerRFC 2453, for RIP version 2
RLLRun-Length LimitedPhysical layerRLL is used in a wide range of encodings.
ROMRead-Only MemoryHardwareTelecom Glossary
RSTPRapid Spanning Tree ProtocolLink layerIEEE 802.1w - Rapid Reconfiguration of Spanning Tree
RTPReal-time Transport ProtocolApplication layerRFC 3550
SDLCSynchronous Data Link ControlLink layerCisco Technology Handbook: SDLC and Derivatives
SDMSecurity Device Manager (CISCO software)SecurityCisco Router and Security Device Manager
SFDStart-of-Frame Delimiter (Ethernet, HDLC, etc.)Link layerIEEE 802.3 (Ethernet), or RFC 2687 (HDLC), for examples
SFPSmall Form-factor PluggableHardwareSeagate Specification
S-HTTPSecure HTTP (rarely used)Transport and other layersRFC 2660 See also https
SLARPSerial Line ARP (Address Resolution Protocol)Link and other layersArchived Cisco Serial Line Encapulation extension
SLIPSerial Line Internet Protocol (obs.)TelecomRFC 1055
SMTPSimple Mail Transfer ProtocolApplication layerRFC 5321
SNASystems Network Architecture (IBM)Multiple layersSNA Protocol Suite
SNAPSubNet Access ProtocolLink layerIEEE 802 Overview and Architecture
SNMPSimple Network Management ProtocolApplication layerRFC 1155RFC 3410 thruRFC 3418 and others
SOFStart Of FrameLink layerIEEE 802.3 (Ethernet), or RFC 2687 (HDLC), for examples
SRAMStatic Random Access MemoryHardwarePC Guide's Definition
SSHSecure ShellApplication layerRFC 4252
SSIDService Set Identifier (Wi-Fi)WirelessIEEE 802.11
STPSpanning Tree ProtocolLink layerCisco's Introduction to Spanning Tree Protocol
SYN (TCP)SynchronizationLink and other layersRFC 793 and many others
TCP/IPTransmission Control Protocol/Internet ProtocolTransport layerRFC 793 and many others
TDMTime Division MultiplexingPhysical layerFed Std 1037C
TELCOTELephone COmpanyTelecomDictionary
TFTPTrivial File Transfer ProtocolApplication layerRFC 1350
TIATelecommunications Industry AllianceOrganizationTelecommunications Industry Association
UDPUser Datagram ProtocolTransport layerRFC 768
USBUniversal Serial BusPhysical and other layersUSB 3.0 Specification
UTPUnshielded Twisted PairPhysicalMany versions are defined by TIA, such as: TIA-568-B
VCVirtual CircuitTransport and other layersTelecom Glossary
VLANVirtual Local Area NetworkLink layerIEEE 802.1Q
VLSMVariable Length Subnet MaskingArchitectureRFC 1518 RFC 1519
VPNVirtual Private NetworkApplication layerVirtual Private Network Consortium
VTPVLAN Trunking Protocol (Cisco)Link layerCisco Introduction to VTP
VTYVirtual Terminal (Telnet)Application layerRFC 495List of terminal emulators
W3CWorld Wide Web ConsortiumOrganizationW3C
WANWide-Area NetworkTelecomTelecom Glossary
WEPWireless Equivalent PrivacyWirelessIEEE 802.11
Wi-FiIEEE 802.11 (Wi-Fi Alliance)WirelessWi-Fi Alliance
WPAWi-Fi Protected AccessSecurityIEEE 802.11i
wwwWorld Wide WebArchitectureW3C Consortium

THANKS

Blessing Ani ( BCA - IT)

13/11/2010
1:00am

(