Monthly Archives: September 2024

Pearson Cert Practice Test Engine and Questions on the Website – Final Preparation

Register this book to get access to the Pearson IT Certification test engine (software that displays and grades a set of exam-realistic multiple-choice questions). Using the Pearson Cert Practice Test Engine, you can either study by going through the questions in Study mode or take a simulated (timed) 300-420 CCNP Designing Cisco Enterprise Networks ENSLD… Read More »

About Possible Exam Updates – CCNP Enterprise Design ENSLD 300-420 Official Cert Guide Exam Updates

Cisco introduced CCNA and CCNP in 1998. For the first 25 years of those certification tracks, Cisco updated the exams on average every 3–4 years. However, Cisco did not pre-announce the exam changes, so exam changes felt very sudden. Usually, a new exam would be announced, with new exam topics, giving you 3–6 months before… Read More »

Priority Queuing – WAN Availability and QoS

Priority queuing (PQ) is a queuing method that establishes four interface output queues that serve different priority levels: high, medium, default, and low. Unfortunately, PQ can starve other queues if too much data is in one queue because higher-priority queues must be emptied before lower-priority queues. Custom Queuing Custom queuing (CQ) uses up to 16… Read More »