Multiple choice technology testing

Total number of digits in BAN,CAN and subscription (CTN)

  1. 12,10 and 10

  2. 10,12 and 10

  3. 10,10 and 12

  4. 10,10 and 11
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In telecom billing systems, Billing Account Numbers (BAN) typically have 10 digits, Customer Account Numbers (CAN) have 12 digits, and Cellular Telephone Numbers (CTN) representing subscription lines contain 10 digits. The other options are incorrect as they misrepresent the standard digit lengths for these distinct identifiers.

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