Chapter 6
Introduction to the Internet Protocol
THE FOLLOWING COMPTIA NETWORK+ EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER:
✓ 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
✓ 1.2 Explain devices, applications, protocols and services at their appropriate OSI layers.
- Layer 1 – Physical
- Layer 2 – Data link
- Layer 3 – Network
- Layer 4 – Transport
- Layer 5 – Session
- Layer 6 – Presentation
- Layer 7 – Application
✓ 1.3 Explain the concepts and characteristics of routing and switching.
- Properties of network traffic
- Broadcast domains
- Collision domains
- Protocol data units
- Broadcast
- Multicast
- Unicast
✓ 1.8 Explain the functions of network...
