1
Single choice~60s
At which layer of the OSI model does a router make forwarding decisions using logical IP addresses?
Network+
COMPTIA_N10_009Ready to test yourself?
A timed, blueprint-proportional exam drawn fresh from this bank — with a per-domain score report.
🔓 Free preview: showing 10 of 90 questions. Unlock the full bank — every question, explanation, and reference.
Unlock all 90 questions →10 questions across 5 topics. Choose an answer for each question, then check it to see the correct answer and explanation.
Filter by topic
10 questions in Networking Concepts
CONCEPTS
Networking Concepts
10 questions in topicThe OSI model, ports and protocols, network appliances, cloud concepts, and IPv4/IPv6 addressing.
2
Single choice~75s
Which OSI layer's protocol data unit (PDU) is the segment, and what addressing does it use?
3
Single choice~80s
An application requires guaranteed, in-order delivery with retransmission of lost data. Which transport protocol provides this?
4
Single choice~60s
Which port does the DNS service primarily use for name-resolution queries?
5
Single choice~75s
A technician must securely manage a switch's CLI over the network. Which protocol and port should be used?
6
Single choice~80s
Which DNS record type directs email for a domain to the correct mail servers?
7
Single choice~80s
In the DHCP lease process, what is the correct order of messages?
8
Single choice~80s
Which network appliance distributes incoming requests across multiple backend servers to improve performance and availability?
9
Single choice~100s
A company wants a service where it manages only its applications and data while the provider manages the OS, runtime, and infrastructure. Which cloud model is this?
10
Single choice~60s
Which of the following is a private IPv4 address per RFC 1918?