after attaching four pcs to the switch ports, configuring the ssid and setting authentication properties for a small office network, a technician successfully tests the connectivity of all pcs that are connected to the switch and wlan. a firewall is then configured on the device prior to connecting it to the internet. what type of network device includes all of the described features?

The type of network device that includes switch ports for connecting PCs, wireless LAN (WLAN) support for configuring SSID and authentication properties, and a firewall for security before connecting to the internet is a wireless router.

Explanation:

• The device described supports wired connections through switch ports for PCs.
• It supports wireless networking with SSID configuration and authentication settings.
• It includes a firewall to secure the network before internet access.
• These combined features are typical of wireless routers, which integrate the functionalities of a switch, wireless access point, and firewall in one device.

This means the technician used a wireless router to perform all described tasks—attaching PCs via switch ports, setting up wireless connectivity, and configuring firewall protection before internet connection.