May 2022
Intermediate to advanced
1744 pages
50h 2m
English
Content preview from CompTIA A+ Complete Study Guide, 5th Edition
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Chapter 6Introduction to TCP/IP
THE FOLLOWING COMPTIA A+ 220-1101 EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER:
- 2.1 Compare and contrast Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) ports, protocols, and their purposes.
- Ports and protocols
- 20/21—File Transfer Protocol (FTP)
- 22—Secure Shell (SSH)
- 23—Telnet
- 25—Simple Mail Transfer Protocol (SMTP)
- 53—Domain Name System (DNS)
- 67/68—Dynamic Host Configuration Protocol (DHCP)
- 80—Hypertext Transfer Protocol (HTTP)
- 110—Post Office Protocol 3 (POP3)
- 137/139—Network Basic Input/Output System (NetBIOS)/NetBIOS over TCP/IP (NetBT)
- 143—Internet Mail Access Protocol (IMAP)
- 161/162—Simple Network Management Protocol (SNMP)
- 389—Lightweight Directory Access Protocol (LDAP)
- 443—Hypertext ...
- Ports and protocols