N10-009CompTIA Network+

Practice Exam 2

The first 5 of 90 questions, free. The explanation on every one of them is free too, at every tier, and always will be.

  1. Question 1 of 90

    1-1Networking ConceptsEasy

    A protocol stack documents four layers instead of the OSI model's seven, and folds OSI's top layers into one. Which two OSI layers does that single layer combine?

  2. Question 2 of 90

    1-6Networking ConceptsHard

    In a three-tier hierarchical network, single links from wiring closet switches to the data center are bottlenecked at peak times. An engineer wants to increase bandwidth on these links while avoiding a redundant link that STP would simply place in a blocked, unused state. Which action meets both goals?

  3. Question 3 of 90

    1-4Networking ConceptsHard

    A DNS root server operator advertises the same IP address from many physical locations worldwide, so every incoming query is automatically routed to the nearest instance. Which traffic type does this network design rely on?

  4. Question 4 of 90

    1-8Networking ConceptsModerate

    A technician finds a dual stack host talking over IPv4 to a name that publishes both an A and an AAAA record. The application asked the resolver for both families. What was the resolver required to do?

  5. Question 5 of 90

    1-6Networking ConceptsModerate

    A network architect is building a spine and leaf topology. Between a leaf switch and a spine switch, the architect wants more bandwidth and wants traffic to keep flowing automatically if one physical link fails. Which technology fits this requirement?

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The remaining 85 questions are the rest of this form: same 90 minute clock, same 720 cut score, and the same explanation on every question, which is never behind the wall. Practice Exam 2 of 2 on Network+.

What the rest of this exam covers

  • Networking Concepts21 questions / 23% of the exam
  • Network Implementation18 questions / 20% of the exam
  • Network Operations17 questions / 19% of the exam
  • Network Security13 questions / 14% of the exam
  • Network Troubleshooting21 questions / 24% of the exam

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