EIGRP config for #CCNA requires only a little thought, but understanding what the various routers do to calculate their metrics for each route takes much more thought. Today’s sample question [...]

EIGRP appears to be a pretty basic #CCNA topic at first glance. Routers become EIGRP neighbors, send routing info to each other, and choose the best routes. Ongoing, the routers send Hello [...]

IPv6 addressing is in the new ICND1 100-101 and CCNA 200-120 exams, and the previous post posed a related question. Today’s post wraps the topic, showing the answer. Check out the question before [...]

  No muss, no #CCENT or #CCNA fuss: a straightforward Port Security question. At least it’s straightforward if you have a clear and confident concept of how IPv4 works inside the same LAN [...]

Port Security used to be spread across both halves of #CCNA (both ICND1 and ICND2). With the new exam updates, it’s all in one place, over in the ICND1/CCENT side of the equation. Today’s post [...]

IPv6 addressing is in the new ICND1 100-101 and CCNA 200-120 exams, and the previous post posed a related question. Today’s post wraps the topic, showing the answer. Check out the question before [...]

You take a new #CCENT or #CCNA practice exam, and see a few questions about IPv6 addresses. You focused on the basic format – how to abbreviate, how to expand, and what the prefix length means. [...]

IPv6 was formerly in the ICND2 side of #CCNA, but now it’s in the ICND1/#CCENT side. ICND1 includes more than a few IPv6 topics, but the first and often most intimidating topic is the most basic [...]

ROAS is on the new ICND1 and CCNA exams. Check. The previous post posed a question about ROAS. Check. Today’s post wraps the topic, showing the answer. Check out the question before flipping the [...]

The new #CCENT and #CCNA exam topics state that we need to be ready to configure and verify Router on a Stick (ROAS), including encapsulation and subinterfaces. Today’s post poses a question that [...]