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  2. Emergency service response codes - Wikipedia

    en.wikipedia.org/wiki/Emergency_service_response...

    In the United States, response codes are used to describe a mode of response for an emergency unit responding to a call. They generally vary but often have three basic tiers: Code 3: Respond to the call using lights and sirens. Code 2: Respond to the call with emergency lights, but without sirens. Alternatively, sirens may be used if necessary ...

  3. Digital selective calling - Wikipedia

    en.wikipedia.org/wiki/Digital_Selective_Calling

    Digital selective calling. Digital selective calling ( DSC) is a standard for transmitting predefined digital messages via the medium-frequency (MF), high-frequency (HF) and very-high-frequency (VHF) maritime radio systems. It is a core part of the Global Maritime Distress Safety System (GMDSS). [1]

  4. International Maritime Dangerous Goods Code - Wikipedia

    en.wikipedia.org/wiki/International_Maritime...

    t. e. IMDG Code or International Maritime Dangerous Goods Code is accepted by MSC ( Maritime Safety Committee) as an international guideline to the safe transportation or shipment of dangerous goods or hazardous materials by water on vessel. IMDG Code is intended to protect crew members and to prevent marine pollution in the safe transportation ...

  5. Certificate revocation list - Wikipedia

    en.wikipedia.org/wiki/Certificate_revocation_list

    This reversible status can be used to note the temporary invalidity of the certificate (e.g., if the user is unsure if the private key has been lost). If, in this example, the private key was found and nobody had access to it, the status could be reinstated, and the certificate is valid again, thus removing the certificate from future CRLs.

  6. List of airline codes - Wikipedia

    en.wikipedia.org/wiki/List_of_airline_codes

    defunct, former IATA code: ZY KI DHI Adam Air: ADAM SKY Indonesia defunct Z7* ADK ADC Airlines: ADCO Nigeria defunct; former name: Aviation Development Company ADW ADC Airways: Lebanon defunct DSC Addis Air Cargo Services: ADDIS CARGO Ethiopia DDS Addis Airlines: ADDIS LINE Ethiopia DEFUNCT ADF Ade, AviaciĆ³n Deportiva: ADE AVIACION Spain TEC ...

  7. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    This is a list of Hypertext Transfer Protocol (HTTP) response status codes. Status codes are issued by a server in response to a client's request made to the server. It includes codes from IETF Request for Comments (RFCs), other specifications, and some additional codes used in some common applications of the HTTP. The first digit of the status ...

  8. HTTP 403 - Wikipedia

    en.wikipedia.org/wiki/HTTP_403

    HTTP 403 is an HTTP status code meaning access to the requested resource is forbidden. The server understood the request, but will not fulfill it, if it was correct. The server understood the request, but will not fulfill it, if it was correct.

  9. Certificate signing request - Wikipedia

    en.wikipedia.org/wiki/Certificate_signing_request

    Certificate signing request. In public key infrastructure (PKI) systems, a certificate signing request ( CSR or certification request) is a message sent from an applicant to a certificate authority of the public key infrastructure (PKI) in order to apply for a digital identity certificate. The CSR usually contains the public key for which the ...