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  2. Professional certification - Wikipedia

    en.wikipedia.org/wiki/Professional_certification

    Professional certification. Professional certification, trade certification, or professional designation, often called simply certification or qualification, is a designation earned by a person to assure qualification to perform a job or task. Not all certifications that use post-nominal letters are an acknowledgement of educational achievement ...

  3. X.509 - Wikipedia

    en.wikipedia.org/wiki/X.509

    X.509. In cryptography, X.509 is an International Telecommunication Union (ITU) standard defining the format of public key certificates. [ 1] X.509 certificates are used in many Internet protocols, including TLS/SSL, which is the basis for HTTPS, [ 2] the secure protocol for browsing the web. They are also used in offline applications, like ...

  4. List of professional designations in the United States

    en.wikipedia.org/wiki/List_of_professional...

    A professional doctoral degree for naturopathic practitioners in the United States. Holders of the ND or NMD degree are known as naturopathic physicians in states where they may be licensed. The designation NMD is used in Arizona. Doctor of Business Administration. DBA or DrBA. Doctor of Education. EdD or DEd.

  5. Cisco certifications - Wikipedia

    en.wikipedia.org/wiki/Cisco_certifications

    Cisco Certifications are the list of the Certifications offered by Cisco Systems.There are four to five (path to network designers) levels of certification: Associate (CCNA/CCDA), Professional (CCNP/CCDP), Expert (CCIE/CCDE) and recently, Architect (CCAr: CCDE previous), as well as nine different paths for the specific technical field; Routing & Switching, Design, Industrial Network, Network ...

  6. 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 ...

  7. Construction Specifications Institute - Wikipedia

    en.wikipedia.org/wiki/Construction...

    The Construction Specifications Institute (CSI) is a United States national association of more than 6,000 construction industry professionals who are experts in building construction and the materials used therein. The institute is dedicated to improving the communication of construction information through a diversified membership base of ...

  8. Certificate authority - Wikipedia

    en.wikipedia.org/wiki/Certificate_authority

    Certificate authority. In cryptography, a certificate authority or certification authority ( CA) is an entity that stores, signs, and issues digital certificates. A digital certificate certifies the ownership of a public key by the named subject of the certificate. This allows others (relying parties) to rely upon signatures or on assertions ...

  9. Product certification - Wikipedia

    en.wikipedia.org/wiki/Product_certification

    product certifications (many nations) Product certification or product qualification is the process of certifying that a certain product has passed performance tests and quality assurance tests, and meets qualification criteria stipulated in contracts, regulations, or specifications (sometimes called "certification schemes" in the product ...