CompTIA Network+ Practice Test

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Master the CompTIA Network+ Exam. Prepare with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your certification!

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What is the function of a DHCP server?

To send email
To automatically assign IP addresses
To secure internet connections
To provide file storage

The correct answer is: To automatically assign IP addresses

The function of a DHCP (Dynamic Host Configuration Protocol) server is to automatically assign IP addresses to devices on a network. This process involves dynamically allocating and managing IP addresses within a configured range to avoid conflicts and ensure that devices can easily communicate over the network. When a device connects to a network, it sends a request for an IP address to the DHCP server, which then responds with an available address, along with other network settings like subnet mask, gateway, and DNS server information. This automated process simplifies network management by reducing the need for manual configuration and helps maintain efficient use of the IP address space. In contrast, the other options presented do not align with the primary role of a DHCP server. For instance, sending email relates to an email server, securing internet connections pertains to firewalls or VPNs, and providing file storage is a function associated with file servers or NAS devices. Therefore, the correct understanding of a DHCP server is its crucial role in IP address management within a network.