Chapter 1Domain 1.0: Networking Concepts

THE FOLLOWING COMPTIA NETWORK+ OBJECTIVES ARE COVERED IN THIS CHAPTER:

  • images 1.1 Explain the purposes and uses of ports and protocols.
    • Protocols and ports
      • SSH 22
      • DNS 53
      • SMTP 25
      • SFTP 22
      • FTP 20, 21
      • TFTP 69
      • TELNET 23
      • DHCP 67, 68
      • HTTP 80
      • HTTPS 443
      • SNMP 161
      • RDP 3389
      • NTP 123
      • SIP 5060, 5061
      • SMB 445
      • POP 110
      • IMAP 143
      • LDAP 389
      • LDAPS 636
      • H.323 1720
    • Protocol types
      • ICMP
      • UDP
      • TCP
      • IP
    • Connection-oriented vs. connectionless
  • images 1.2 Explain devices, applications, protocols and services at their appropriate OSI layers.
    • Layer ...

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