A customer states that since the new firewall has been installed, the customer has not been able to send email. Which of the following ports on the firewall should be checked?

The webcam on a laptop stopped working. Which of the following should the technician do FIRST to troubleshoot the problem?

A technician has just installed two memory modules on a motherboard that supports DDR3 RAM with the bus speed up to 1600 MHz. The specifications of memory are DDR3 1066 MHz for one module and DDR3 1333 MHz for another. On which of the following bus speeds will the system function?

Which of the following is a Class B IP address?

Which of the following should a technician configure on a small office home office (SOHO) wireless router so IP addresses are automatically assigned to devices on the wireless network?

Which of the following is the default subnet mask for Class C IP addresses?

A technician needs to replace a computer’s processor. Which of the following should the technician use to minimize static when installing the processor?

A technician servicing a computer notices it contains a lot of dust. Which of the following should the technician use to remove the dust?

A technician has just finished installing a new NIC into a customer’s desktop. Which of the following should the technician do NEXT?

The process of voltage control to limit the volume of liquid delivered is used in: