The 802.11 standard has changed significantly through the years. In this video, you’ll learn the fundamentals of the 802.11a, 802.11b, 802.11g, and 802.11n standards.
An Overview of Wireless Networking Standards – CompTIA A+ 220-801: 2.5 Read More »
Today’s networks use complex protocols to resolve IP addresses, maintain user databases, transfer files, and manage infrastructure devices. In this video, you’ll learn about DHCP, DNS, LDAP and X.500, SNMP, SMB, SSH, and SFTP.
Common Network Protocols – CompTIA A+ 220-801: 2.4 Read More »
This month; switching and routing tables, troubleshooting slow networks, default gateways, and subnetting practice.
Professor Messer’s CompTIA Network+ Study Group – October 2012 Read More »
The primary IP technologies used today are IP version 4 and IP version 6. In this video, you’ll learn the differences between these two technologies, the differences between public and private IP addressing, and how automatic private IP addressing (APIPA) can be used to provide connectivity.
An Overview of IPv4 and IPv6 – CompTIA A+ 220-801: 2.3 Read More »
Our TCP/IP networks are separated into many subnets. In this video, you’ll learn about the fundamentals of IP subnetting and how legacy class-based and modern classless subnetting is used to connect the worldwide Internet.
Our copper and fiber networks use many different connections to send data across the world. In this video, you’ll learn about the myriad fiber and copper connections that are commonly found in today’s modern networks.
Network Connector Types – CompTIA A+ 220-801: 2.1 Read More »
What kind of wireless network is designed to replace slow-speed wires over short distances?
You are installing a new gigabit Ethernet connection, and when you plug in the network cable into your laptop the status light indicators are dark. Which of these would be the most likely status of the network connection?
What maximum download speed would you expect to see with consumer non-terrestrial networks?
Which of these commands would be the best choice for displaying all active IP connections to your PC?
