Question

Which of the following characters must be a part of an email id?
1. Dot (.)
2. Dollar ($)
3. Ampersand (&) 
4. At the rate (@) 

Answer 1

Correct Answer - Option 4 : At the rate (@) 

The correct answer is At the rate (@).

• At the rate (@) is a compulsory part of email ID.
• For delivery of email, it must have a valid address that follows guidelines of syntax.

• A valid email address has four parts:
  • Recipient name (maximum of 64 characters)
  • @ symbol
  • The domain name (maybe a maximum of 253 characters)
  • Top-level domain
• Email Username- Identifies a specific person or address in a domain.
• Email Domain Name- Certain number of top-level domains (.com, .org, .info, .de, etc.)