CompTIA Network+ · N10-009
Objective 3.3: Given a scenario, manage network services
Practice questions for Network+ objective 3.3, “Given a scenario, manage network services.” 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 3.0: Network Operations, which is about 20% of the exam — so mastering it moves your readiness score meaningfully.
1.The DNS TTL (Time to Live) value on a record is set to 3600 seconds. What does this control?
2.A DNS resolver receives a query for www.example.com. It does not have the answer cached, so it asks a root server, which refers it to the .com TLD server, which refers it to example.com's authoritative server. This process is called what?
3.A DNS record that allows one hostname to be an alias for another hostname is called what?
4.A host sends a broadcast to discover a DHCP server. The server responds with an available IP address offer. The host formally requests that address, and the server acknowledges and confirms the lease. What is this process called?
5.NTP stratum level 2 describes which type of device?
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