CompTIA A+ 220-1201

It takes many different services to keep a network running. In this video, you’ll learn about DNS, DHCP, file sharing, print servers, mail servers, Syslog, web servers, authentication, spam gateways, all-in-one security appliances, load balancers, proxy servers, SCADA, legacy systems, embedded devices, and IoT (Internet of Things). << Previous: Wireless Network Technologies Next Video: DNS […]

We often use many different wireless in a single day. In this video, you’ll learn about 802.11 frequencies and channels, Bluetooth technologies, RFID, and near field communication (NFC). << Previous: Common Ports Next Video: Network Services >>

Applications commonly use a well-known port number for network communication. In this video, you’ll learn about the common ports for FTP, SSH, Telnet, SMTP, DNS, DHCP, HTTP, HTTPS, POP3, IMAP, SMB, LDAP, LDAPS, and RDP. << Previous: Introduction to IP Next Video: Wireless Network Technologies >>

The Internet uses a standard set of protocols to send traffic from one part of the world to another. In this video, you’ll learn about IP, TCP, UDP, port numbers, and how they all work together to enable worldwide communication over our wired and wireless networks. << Previous: Mobile Device Management Next Video: Common Ports

Most organizations must manage hundreds or thousands of mobile devices. In this video, you’ll learn about mobile device management (MDM), device ownership options using BYOD and COPE, data synchronization challenges, and managing business applications. << Previous: Mobile Device Networks Next Video: Introduction to IP >>

Our mobile devices keep us connected and available from almost anywhere in the world. In this video, you’ll learn about cellular network technologies (3G, 4G, and 5G), Wi-Fi networking, hotspot connectivity, SIMs, Bluetooth, and GPS satellites. << Previous: Mobile Device Accessories Next Video: Mobile Device Management >>

Our mobile devices can be enhanced with a number of useful accessories. In this video, you’ll learn about a stylus, headsets, speakers, webcams, docking stations, port replicators, trackpads, and drawing pads. << Previous: Connecting Mobile Devices Next Video: Mobile Device Networks >>

Our mobile devices provide numerous options for network and power connections. In this video, you’ll learn how to connect your mobile devices using USB, Lightning, NFC, Bluetooth, hotspots, and tethering. << Previous: Laptop Hardware Next Video: Mobile Device Accessories >>

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