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IPv6 Drill 2
This post gives you an exercise with five different problems. Each begins with an expanded IPv6 Global Unicast Addresses (GUA). For each problem, start by abbreviating the address. Then find the IPv6 subnet ID (aka the prefix ID), both in
IPv6 Drill 1
This post gives you an exercise with five different problems. Each begins with an expanded IPv6 Global Unicast Addresses (GUA). For each problem, start by abbreviating the address. Then find the IPv6 subnet ID (aka the prefix ID), both in
A: TCP Transport Ports
You might have missed this latest #CCNA question because configuring routers and switches does not reinforce the concepts required to answer this question. If you do want to do some labbing to learn more, download Wireshark (or some other network
Q: TCP Transport Ports
Most CCNA candidates focus on the topics that require deeper learning, topics that you need to configure, verify, and troubleshoot on routers and switches. At the same time, Cisco includes a small set of topics for which you need only
A: TCP/IP Model Lingo
TCP/IP Model? Check. TCP/IP Models? Yes, two of them, but it’s no big deal. Just take the extra minute to remember the details. The latest practice question asks a question that requires you to recall the differences, with the answers
Q: TCP/IP Model Lingo
Most CCNA candidates do not get all that excited about reviewing the TCP/IP or OSI models, but it never hurts to review the concepts and terms while practicing for the exam. Today I’ll ask a question that makes you think
A: WAN Basics
What happens over an Ethernet WAN link? What Data Link addresses appear in the frame that the routers forward over the WAN? What data link headers exist on the WAN link? What types of cabling must be used? The latest
Q: WAN Basics
WAN connections span much longer distances than LANs – so what happens in that WAN? Even for CCENT and CCNA, you can understand some of the basic facts about how a WAN service provider builds a WAN connection. This next
A: LAN Broadcasts
The term LAN broadcast may have a specific meaning to you, with the contents of the Ethernet header leaping from your memory. But maybe not. What about the source address? Type field? Check out the question first, and then come
