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acronyms.md

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Operating Systems

DOS: Disk Operating System LUKS: Linux Unified Keys Setup

Cellular Communications

http://www.cs.columbia.edu/~hgs/acronyms/full.html

MNO: Mobile Network Operator

CS: Circuit Switching PS: Packet Switching

KPI: Key Performance Indicator RSRP: Radio Service Received Power RSRQ: Radio Service Received Quality SINR: Signal to Interference Noise Ratio

MS: Mobile Station UE: User Equipment E-UE: Evolved User Equipment, LTE

GSM: Global System for Mobile communications GPRS: General Packet Radio Service UMTS(3G): Universal Mobile Telecommunications System LTE(4G): Long Term-Evolution MSISDN: Mobile Station International Subscriber Directory Number IMSI: International Mobile Subscriber Identity IMEI: International Mobile Equipment Identity EIR: Equipment Identity Register RAN: Radio Access Network

GERAN: GSM EDGE Radio Access Network

UTRAN: Universal Terrestrial Radio Access Network | | Contains V BTS, BSE:

E-UTRAN: Evolved UTRAN (E-UEs connect here) | | Contains Multiple V E-NodeB: Evolved Node B | | Communication V EPC: Evolved Packet Core, New core for LTE PS since it doesn't user CS | | Contains V MME: Mobility Management Equipment HSS: Home Station Subsystem, Stores E-UE data such as IMSI SGW: Serving Gateway PGW: PDN Gateway | | PGW -> PDN V PDN: Public Data Network

OSS: Operations Support System BSS: Business Support System

PCRF: Policy Control Rules Function | |Gx----> Rules are dynamically supplied by the PCRF to the PCEF or TDF for application V PCEF: Policy Control Enforcement Function TDF: Traffic Detection Function,it uses layer 7 traffic traffic identification

OCS: Online Charging System OFCS: Off-line Charging System

KPI: Key Performance Indicator

Networking

MOP: Method of Procedure

https://www.techopedia.com/2/31658/networks/using-the-method-of-procedure-mop-for-effective-network-change-control

FEC: Forwarding Equivalence Class LSP: Label Switched Path LSR: Label Switched Router LDP: Label Distribution Protocol TDP: Tag Distribution Protocol RSVP: Resource Reservation Protocol

TAP: Test Access Point QoS: Quality Of Service QoE: Quality Of Experience SMF: Single Mode Fiber MMF: Multi-Mode Fiber ISP: Internet Service Provider IDS: Intrusion Detection System IPS: Intrusion Prevention System SMB: Server Message Block STP: Spanning Tree Protocol RSTP: Rapid STP PVST: Per VLAN Spanning Tree BPDU: Bridge Protocol Data Unit

IP: Internet Protocol VoIP: Voice over IP GoIP: GSM over IP

CSMA/CD: Carrier Sense Multiple Access / Collision Detect CDMA: Code-Division Multiple Access

CWMS: Cisco Webex Meeting Server CUCM: Cisco Unified Communication Manager

RJ: Registered Jack, such as RJ45-RJ11... SFP: Small Form-factor Pluggable "Transceiver" XFP: X in Roman Numerals or 10 in Decimal, 10Gigabit Form-factor Pluggable "Transceiver"

NPB: Network Packet Broker

RAID: Redundant Array of Independent Disks SAS: Serial Attached SCSI

SDN

SAL: Software Abstraction Layer RPC: Remote Procedure Call

Deep Packet Inspection

PIC: PacketLogic Intelligence Center PRE: PacketLogic Real-time Enforcement PSM: PacketLogic Subscriber Manager TSE: Traffic Steering Engine

Programming

HTTP: Hyper Text Transfer Protocol HTML: Hyper Text Markup Language GNU: GNU Is Not Unix GCC: GNU Compiler Collection

IO: Input Output IOPL: Input Output Privilege Level MMU: Memory Management Unit MMIO: Memory Mapped Input Output RISC: Reduced Instruction Set Computer CISC: Complex Instruction Set Computer

Hardware

CPU: Central Processing Unit

TPM: Trusted Platform Module Is a cryptographic coprocessor, ask it to: generate keys, encrypt data, decrypt data... The keys are never known to users. CRB: TIS:

MB: Motherboard PSU: Power Supply Unit UPS: Uninterruptible Power Source

NAND:

Memory

RAM: Random Access Memory SRAM: Static RAM DRAM: Dynamic RAM SDRAM: Synchronous DRAM DDR: Double Data Rate SIMM: Single In-Line Memory Module DIMM: Dual In-Line Memory Module SODIMM: Small Out-Line DIMM RDIMM: Registered DIMM LRDIMM: Load Reduced DIMM

SECDEC: Single Error Correction & Double Error Detection Is the ablility of memory to correct single bit curruption using "ECC" and detect double bit curruption without correcting them. ECC Memory: Error Correction Code Memory Is a type of Random Access Memory that is capable of detecting & correcting data corruption in memory, such as bit flips. Caused mainly by the electric & magnitic interference and secondly by the cosmic rays from outer space, meaning the higher the altitude the higher the risk of facing data curruption. This type is caracterized by having Nine "9" instead of "8" chips on each side. CAS: Column Access Strobe Data Access Latency, also called "CL". To get memory performance you must consider both "Frequency" & "CAS". SPD: Serial Presence Detect

MAC: Maximum Activate Count The max number of row accesses before tregering "ROW HAMMER" data curruption exploit metigations, such as "pTRR" pTRR: pseudo Target Row Refresh

Storage

HDD: Hard Disk Drive CHS: Cylinder-Head-Sector

SSD: Solid State Drive

Hacking / Cyber Security

IOC: Indicator Of Compromise C&C: Command & Control APT: Advanced Persistent Threat

XSS: Cross Site Scripting CSRF: Cross Site Request Forgery DOS: Denial Of Service DDOS: Distributed DOS

Politics

DoD: Department of Defence (USA) USA: United States of America PTAC: Procurement Technical Assistance Center (DoD)

Business

VIP: Very Important Person P&L: Profit & Loss IT: Information Technology MoM: Minutes of Meeting MM: Meeting Minutes

Hierarchy

Chairman: The Highest Rank in a company CEO: Chief Executive Officer President: One Level lower than the Chairman SVP: Senior Vice President CIO: Chief Information Officer CTO: Chief Technology Officer COO: Chief Operating Officer

HOI: Head Of IT CSS: Computer Support Specialist ITD: IT Director ITM: IT Manager QAT: Quality Assurance Tester SysAdmin: System Administrator DBA: Database Administrator

Misc

SMB: Small to Medium Businesses OEM: Original Equipment Manufacturer 1337: "LEET" is the language that substitute letters with number based on how they look QR Code: Quick Response Code