CompTIA Network+ Network Concepts and Infrastructure

By Jordan Blake · Updated Jun 1, 2026

Questions23
Passing Score75%
Format65% Multiple Choice
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Catalog listing of the 5 preview questions for this quiz.

Question 1

A network technician needs to connect two buildings 150 meters apart with a high-speed backbone link. Which cable type is MOST appropriate?

Answer choices

  • A. Cat 6A UTP (Unshielded Twisted Pair)

  • B. Cat 5e STP (Shielded Twisted Pair)

  • C. Single-mode fiber optic

  • D. Multi-mode fiber optic

Question 2

A network engineer is implementing a link aggregation solution to combine two 1 Gbps links between a switch and a server for 2 Gbps of combined bandwidth and link redundancy. Which IEEE standard governs this?

Answer choices

  • A. IEEE 802.1Q

  • B. IEEE 802.3ad (LACP)

  • C. IEEE 802.11ac

  • D. IEEE 802.1X

Question 3

The tool [[blank1]] traces the route that packets take from a source to a destination, showing each hop (router) and the round-trip time to that hop.

Question 4

Which protocol automatically assigns IP addresses, subnet masks, default gateways, and DNS server addresses to network clients?

Answer choices

  • A. DNS

  • B. DHCP

  • C. NAT

  • D. ARP

Question 5

In IPv6, a [[blank1]] address begins with FE80::/10 and is automatically configured on every IPv6-enabled interface, while a [[blank2]] address (2000::/3) is globally routable on the internet.