CompTIA Network+ · N10-009
Objective 2.3: Given a scenario, configure and deploy common Ethernet switching features
Practice questions for Network+ objective 2.3, “Given a scenario, configure and deploy common Ethernet switching features.” Every question is original, written to the N10-009 exam objectives, and comes with a full explanation — answer them below to see instant grading.
This objective sits in Domain 2.0: Network Implementation, which is about 20% of the exam — so mastering it moves your readiness score meaningfully.
1.A switch administrator needs to prevent unauthorized devices from connecting to specific switch ports by only allowing specific MAC addresses to communicate. Which feature accomplishes this?
2.Jumbo frames on an Ethernet network refer to frames with an MTU larger than the standard 1500 bytes. What is the most common jumbo frame MTU used in storage and data centre networks?
3.A network engineer troubleshooting a loop in the network notices that one switch port is in the BLK (blocking) state in STP. What does this mean?
4.An administrator wants to see all CDP neighbours on a Cisco switch, including their IP addresses and interface connections. Which command would provide this information?
5.Multiple Spanning Tree Protocol (MSTP, 802.1s) improves upon RSTP by providing which additional capability?
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