Which of the following BEST describes the purpose of an IPv4 subnet mask?

A technician recently replaced a power supply In a user's PC. Since then, the PC powers off immediately and provides no feedback when the user launches certain applications. This occurs consistently after reboots.
Which of the following is the MOST likely cause of the issue?

A computer has a static address configured and is able to connect to resources on the same VlAN but is unable to access resources on other VLANs Which of the following should be configured to allow this communication?

Which of the following are considered input devices? (Select THREE).

Laura, a customer, has instructed you to configure her home office wireless access point.
She plans to use the wireless network for finances and has requested that the network be setup with the highest encryption possible.
Additionally, Laura knows that her neighbors have wireless networks and wants to ensure that her network is not being interfered with by the other networks.
She requests that the default settings be changed to the following.
Wireless Name: HomeWiFi
Shared Key: CompTIA
Router Password: Secure$1
Finally, Laura wants to ensure that only her laptop and Smartphone can connect to the network.
Laptop: IP Address 192.168.1.100
Hardware Address: 00:0A:BF:03:C4:54
Smartphone: IP Address 192.168.1.101
Hardware Address: 09:2C:D0:22:3F:11
INSTRUCTIONS
Configure Laura's wireless network using the network adapter window.
If at any time you would like to bring back the initial state of the situation, please click the Reset All button.