PT5 Missed/Guessed in ALL Objectives

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You work for a small commercial design firm where you need to build out a powerful 3D art department computer to substantially reduce current rendering times. What will be the most important CPU feature needed on this new computer?

[Hyperthreading makes multitasking on your system much easier, allowing two or more processes to run using the same resources.]

How do you configure a proxy server in Windows?

Click the LAN Settings button on the Connections tab of the Internet Options dialog.
[To configure a proxy server in Windows, click the LAN Settings button and check the box to use a proxy server. Then, you can enter the address and port for the proxy server]

Which device can divide ports into Virtual Local Area Networks (VLANs)?

Managed Switch
[an administrator can connect to it over a management port, configure security settings, and then choose options for the switch's more advanced functionality, such as configuring VLANs.]

What is the first thing you should test if you are experiencing problems with AC power?

The outlet
[Very first link in the chain]

A green hard drive LED stays solid for long periods of time, even when it no applications are open. What is a possible reason behind this?

There is a problem with the hard drive or there is not enough RAM.
[If a hard drive LED is solid for extended periods it can indicate a problem, especially if the PC is not doing any obvious processing. Also, ""Disk thrashing"", (constant LED activity) can be a sign that there is not enough system RAM.]

Which of these has a transfer rate of 1.6 Gigabits per second (Gbps)?
a) DDR2
b) DDR3
c) DDR-200
d) DDR4

[DDR-200 has a memory clock 0f 100 megahertz (MHz), a bus clock of 100 MHz, a data rate of 200 million transfers per second (MT/s) and a transfer rate of 1.6 Gigabits per second (Gbps).]

You have been frequenting a local coffee shop with your Android tablet. While you are there, you use the free WiFi connection. With concern over the security of your browsing, you decide to take action. Which technology would address your concern the best?

[A private VPN application installed on the device would allow all online activity to be private.]

Which of the following ports on a mobile device does Bluetooth use for communication?

[There is no actual physical port]

Which of these is a type of fiber optic connector?

Straight tip

What is the drawback of only testing connections to servers by trying to use them?

It cannot conclude whether a problem is with an application or if it is a network fault.

How do you configure a host to use Dynamic Host Configuration Protocol (DHCP) in Windows?

Select the “Obtain an IP address automatically” option on the General tab of the Internet Protocol version 4 Properties dialog.

What is the Internet Control Message Protocol (ICMP)?

The protocol that delivers status and error messages at the network layer

Which of the following is used to distinguish between the host number and the network number?

Subnet mask

You have decided to upgrade your smartphone to the next newest model. Your current smartphone does not need to be traded in, so you decide to use it for app development testing after carrier deactivation. Which of the following features would be disabled on the old phone?

Cellular data

You have installed a Linux operating system in a virtualized environment by using Hyper-V on your Windows 10 desktop computer. You now need to configure networking so the virtual machine can communicate with other systems. What setting do you need to configure within Hyper-V settings?

Virtual switch