The market for bandwidth continues to grow, and the industry is building technologies that are constantly pushing the capacities of our optical networks. In this video, you’ll learn how DWDM and PON are used for high bandwidth network transmissions.
Our high-speed networks are becoming more wireless and mobile every day. In this video, you’ll learn about today’s popular wireless technologies and how they are used to make us a mobile and connected workforce.
CompTIA Network+ N10-005: 3.4 – Cellular, WiMAX, LTE, and HSPA+ Read More »
We have a number of WAN connections for our homes and offices to provide us with Internet connectivity. In this video, you’ll learn the advantages and disadvantages of both terrestrial and non-terrestrial network technologies.
CompTIA Network+ N10-005: 3.4 – Satellite, ISDN, Cable, DSL, and Dialup Read More »
High-speed fiber networks are the backbone of network provider’s infrastructures. In this video, you’ll learn about SONET, SDH, and the technologies surrounding these fiber networks.
CompTIA Network+ N10-005: 3.4 – OCx, SONET, and SDH Read More »
T1 and E1 technologies built some of the largest legacy WANs in the world. In this video, you’ll learn about T1/E1 and the faster T3/E3 technologies.
CompTIA Network+ N10-005: 3.4 – T1/E1 and T3/E3/DS3 Read More »
We use many different copper connectors to network our computers, and some of them are more common than others. In this video, you’ll learn about some of the copper connectors we use for networking our devices.
CompTIA Network+ N10-005: 3.2 – Copper Connectors Read More »
You have just built a new mail server for your organization that previously was using a cloud-based service. Unfortunately, you are finding that external sites are timing out when attempting to send mail to your new SMTP server. What port should you enable in your firewall to allow your mail server to properly communicate?
You are building out a new room containing a lab of desktop computers. When you connect the Ethernet network cables, you see no lights on the network port. You also notice that you cannot connect to any network resources. Which of these would most likely be true?
In this Study Group; multimode vs. singlemode, OSI layers, Class D and E addresses, firewalls and DMZs, NAT, and exam structure.
Professor Messer’s CompTIA Network+ Study Group – March 2012 Read More »
You need to configure your router so that all of your internal IP addresses appear as a single IP address to the rest of the Internet. What type of configuration do you need to make in your router to accomplish this?
