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Objective 2.3

220-1201

Summarize services provided by networked hosts.

Objective 2.3 sits in Networking, which carries 23% of the A+ Core 1 exam. The questions below are original, written from the official objective title above, and each explanation cites the CompTIA page it rests on.

Objective title verbatim from the official objectives. CompTIA exam page ↗

A worked example

Shown solved, with the whole explanation open: this is what every question here carries.

2-3Networking

What is the primary purpose of a DHCP server in a network?

Filter inbound and outbound traffic based on configured security rulesThis describes a firewall's traffic-filtering role, unrelated to address leasing.
Automatically assign IP addresses and configuration settings to clientsCorrect · your answerThis is the DHCP server's function of leasing addresses and options to clients.
Translate domain names into numeric IP addresses for client requestsThis describes name resolution, which is handled by DNS, not DHCP.
Encrypt data traffic between two endpoints across a public networkThis describes a VPN or encryption service, not IP configuration delivery.

Correct.

Checked against datatracker.ietf.org, July 2026

Concept

DHCP is a client/server protocol that automatically provides a host with its IP address and related TCP/IP configuration, removing the need for manual setup on each device.

Why B

Automatically assigning addresses and configuration data (subnet mask, default gateway, DNS servers) is the defined role of a DHCP server.

Source

Dynamic Host Configuration Protocol (DHCP) Server in Windows Server automates the assignment and management of IP addresses and related network configurations.

Microsoft Learn: Windows Server DHCP, checked July 2026
#dhcp#networked-hosts#recall

Now you: objective 2.3 questions

No account needed. The explanation opens when you answer.

Sample question 1 of 3

2-3Networking

A help desk technician connects a new laptop to the office network. Without any manual configuration, the laptop receives a valid IP address, subnet mask, and default gateway within seconds. Which service most likely provided this configuration?

Sample question 2 of 3

2-3Networking

A network administrator configures a DHCP scope but sets aside three specific addresses so that a departmental server always receives the same IP address rather than pulling from the general pool. Which DHCP database feature accomplishes this?

Sample question 3 of 3

2-3Networking

A retail chain's cash registers talk only to an internal inventory server and never reach hosts outside the company. In RFC 1918 address allocation terms, what kind of hosts are they?

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Read the sources

These are the official pages the questions above cite. Reading them is studying the objective from the primary source, which is what the explanations point you toward anyway.

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