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Zorluk: KolayCommon Ports and Protocols

A network technician is configuring an email client to retrieve user messages securely from a remote mail server using implicit TLS encryption. Which default port number should be configured for the Internet Message Access Protocol Secure (IMAPS)?

  1. A
    143
  2. 993Cevap
  3. C
    995
  4. D
    110

Cevap

Port 993 is the default TCP port used for secure Internet Message Access Protocol (IMAPS).
Port 993 is the industry-standard well-known port designated for IMAP over SSL/TLS (IMAPS), providing encrypted email access between client and server.

Adım Adım Çözüm

1
Identify the required protocol and security mode specified in the scenario.
The scenario requires configuring encrypted email retrieval using IMAP over TLS/SSL (IMAPS).
Email applications distinguish between unencrypted and encrypted retrieval protocols by using different well-known TCP ports.
2
Map IMAPS to its standard well-known port number.
IMAPS operates on TCP port 993 by default.
Standard network conventions assign TCP port 143 to unencrypted IMAP and TCP port 993 to implicit SSL/TLS encrypted IMAPS.

Anahtar Kavram

Common Ports and Protocols for Secure Mail Retrieval
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Common Ports and Protocols

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