Chapter 6. Introduction to Internet Protocol (IP)

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

• 1.1 Explain the function of common networking protocols

  • TCP

  • FTP

  • UDP

  • TCP/IP suite

  • DHCP

  • TFTP

  • DNS

  • HTTP(S)

  • ARP

  • SIP (VoIP)

  • RTP (VoIP)

  • SSH

  • POP3

  • NTP

  • IMAP4

  • TELNET

  • SMTP

  • SMNP2/3

  • ICMP

  • IGMP

  • TLS

• 1.2 Identify commonly used TCP and UDP default ports

  • TCP ports

    • FTP – 20, 21

    • SSH – 22

    • TELNET – 23

    • SMTP – 25

    • DNS – 53

    • HTTP – 80

    • POP3 – 110

    • NTP – 123

    • IMAP4 – 143

    • HTTPS – 443

  • UDP ports

    • TFTP – 69

    • DNS – 53

    • BOOTPS/DHCP – 67

    • SNMP – 161

• 1.4 Given a scenario, evaluate the proper use of the following addressing technologies and addressing schemes

  • DHCP (static, dynamic APIPA)