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  2. Fix problems signing into your AOL account - AOL Help

    help.aol.com/articles/help-signing-in

    Call paid premium support at 1-800-358-4860 to get live expert help from AOL Customer Care. Having trouble signing in? Find out how to identify and correct common sign-in issues like problems with your username and password, account locks, looping logins, and other account access errors.

  3. Telephone numbering plan - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbering_plan

    When dialing a telephone number, the area code may have to be preceded by a trunk prefix or national access code for domestic calls, and for international calls by the international access code and country code. Area codes are often quoted by including the national access code. For example, a number in London may be listed as 020 7946 0321.

  4. List of Internet top-level domains - Wikipedia

    en.wikipedia.org/wiki/List_of_Internet_top-level...

    As of 20 May 2017, there were 255 country-code top-level domains, purely in the Latin alphabet, using two-character codes. As of June 2022 [update] , the number was 316, with the addition of internationalized domains.

  5. Classified information in the United States - Wikipedia

    en.wikipedia.org/wiki/Classified_information_in...

    Classified information in the United States. The United States government classification system is established under Executive Order 13526, the latest in a long series of executive orders on the topic of classified information beginning in 1951. [1] Issued by President Barack Obama in 2009, Executive Order 13526 replaced earlier executive ...

  6. 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.

  7. Advanced Encryption Standard - Wikipedia

    en.wikipedia.org/wiki/Advanced_Encryption_Standard

    AES is a variant of Rijndael, with a fixed block size of 128 bits, and a key size of 128, 192, or 256 bits. By contrast, Rijndael per se is specified with block and key sizes that may be any multiple of 32 bits, with a minimum of 128 and a maximum of 256 bits. Most AES calculations are done in a particular finite field .

  8. Password - Wikipedia

    en.wikipedia.org/wiki/Password

    Password. A password, sometimes called a passcode, is secret data, typically a string of characters, usually used to confirm a user's identity. Traditionally, passwords were expected to be memorized, [1] but the large number of password-protected services that a typical individual accesses can make memorization of unique passwords for each ...

  9. Code-division multiple access - Wikipedia

    en.wikipedia.org/wiki/Code-division_multiple_access

    History. The technology of code-division multiple access channels has long been known. United States. In the US, one of the earliest descriptions of CDMA can be found in the summary report of Project Hartwell on "The Security of Overseas Transport", which was a summer research project carried out at the Massachusetts Institute of Technology from June to August 1950.