Certmaster learn practice test pt. 1

Which of the following is required to create a virtual platform? (Select all that apply.)

A CPU (Central Processing Unit) with virtualization enabled Sufficient memory for each guest

Which of the following statements is true regarding Bluetooth pairing? (Select all that apply.)

A code is often required to pair two devices. he process can be initiated through system settings.

Troubleshooting is the process of problem solving and recognizing causes, symptoms, and consequences. Which of the following is a symptom of a problem? (Select all that apply.)

A computer is displaying a blue screen. Files on a hard drive appear to be missing

A user calls with a complaint that a PC is experiencing unexpected BSoD (Blue Screen of Death) shutdowns. Which of the following display-related actions could cause a shutdown? (Select all that apply.)

A faulty display adapter driver A faulty 3D graphics card

Which of the following statements is true regarding routers and modems? (Select all that apply.)

A modem works at the same level as a switch. A router makes decisions about forwarding data between networks.

In a Wi-Fi network, each client device (station) is configured to connect to the network via an Access Point (AP). Which of the following statements are TRUE regarding Access Points? (Select all that apply.)

A range extender can regenerate a signal from an access point to a more distant location. In a WMN (Wireless Mesh Network) stations can discover one another.

Which of the following statements is true regarding Remote Desktop?

A remote desktop server doesn't have to be a server-class computer.

Which of the following are true statements regarding security concerns in virtualization? (Select all that apply.)

A rogue VM (virtual machine) is one that was installed without authorization. The host is a single point of failure.

In the CompTIA A+ Troubleshooting Model, one of the steps in the troubleshooting process is to establish a theory of probable cause. Where does that step fit? (Select all that apply.)

After problem identification Before documenting findings Before implementing preventative measures

A user is having trouble finding a network name that should be in the list of available networks. What might the problem be? (Select all that apply.)

Broadcast of the SSID (Service Set Identifier) name is suppressed. The user is out of range.

Which type of Double Data Rate System Dynamic Random Access Memory (DDR SDRAM) has a memory clock speed of 167MHz?

DDR-333/PC-2700

What are the main disadvantages of dial-up modems? (Select all that apply.)

Data transfer rates are low. Connection takes time. The telephone line can't be used for calls while data is being transferred.

A user calls to report that a laptop battery is not staying fully charged as long as it should. What information do you obtain from the user to help you troubleshoot and solve the problem? (Select all that apply.)

Determine the type of battery Ask the age of the battery. Ask how long the charge lasts.

While preparing to install a new video adapter card you noticed that the computer has an onboard adapter. What should your next step be after you install the new add-on card?

Disable the onboard adapter.

Which of the following options can NOT be controlled using the function keys on a typical laptop?

Enable/Disable USB (Universal Serial Bus) ports

Which of the following statements are true regarding flash memory? (Select all that apply.)

Flash memory devices include thumb drives and memory cards. Most solid state devices are based on flash memory.

Currently, what is the primary method of persistent storage for PC data?

Hard Disk Drives

A user reports that the wireless network is experiencing a weak signal with intermittent connection problems. What might cause those types of problems? (Select all that apply.)

Interference from another broadcast source Construction materials Interference from a nearby microwave oven

Which of the following statements is true regarding the Small Computer Systems Interface (SCSI) standard? (Select all that apply.)

It is typically used on server devices rather than desktop PCs It is a parallel bus.

Which type of laptop input devices can be replaced by a trained technician? (Select all that apply.)

Keyboards Touchpads Webcams Smart Card Readers

A user's laptop has a broken display. As you begin to replace or repair the display, which of the following statements are worth consideration? (Select all that apply.)

Locating like-for-like replacements Recording your steps

On which network device(s) is NAT (Network Address Translation) an important security feature? (Select all that apply.)

Modem Router

While powering on your original IBM PC, you notice that the POST (Power-on Self-Test) emits 1 long beep and 1 short beep. Which problem is indicated by that sequence of beeps?

Motherboard

What is the definition of "virtualization" as it relates to the use of computers?

Multiple operating systems can be installed and run simultaneously on a single computer.

A user is reporting slow transfer speeds over a cabled link. Which of the following could be the cause? (Select all that apply.)

Network adapter Malware

A user has submitted a ticket which you suspect indicates a cable problem. Once you have verified that the network cable is properly connected, which of the following is a good next step in troubleshooting the problem?

Ping a known working system.

Cloud services are often differentiated based on the level of sophistication provided. Which cloud service model would provide servers and storage network infrastructure along with multi-tiered web application and database capabilities?

Platform as a Service (PaaS)

Server port numbers are assigned by the Internet Assigned Numbers Authority (IANA). Which of the following port assignments is NOT correct?

Port 445 for https (Hyper Text Transfer Protocol Secure)

When troubleshooting a display with a dim image, which of the following would be a consideration? (Select all that apply.)

Power-saving mode could be turned on. Brightness and contrast controls may be turned down.

Which tool would a network technician use to fix a conductor into an Insulation Displacement Connector (IDC)?

Punch-down tool

The last step in the process of installing a Dual Inline Memory Module (DIMM) is to verify that the new Random Access Memory (RAM) is available. How can you do that? (Select all that apply.)

Reboot the PC and watch the RAM count during startup. Check System Control Panel properties. Use the System Information app in Windows. Check the About page.

A user calls to say that the computer won't boot up and the hard drive contains sensitive data that is critical to a project in the works. What should you do?

Remove the hard drive and connect it to another computer to access the data.

Which of the following statements is true regarding satellite Internet access compared to other technologies? (Select all that apply.

Services experience more latency issues. A satellite dish is installed at the customer's premises.

Which of the following statements is true regarding satellite Internet access compared to other technologies? (Select all that apply.)

Services experience more latency issues. A satellite dish is installed at the customer's premises.

A user requires a device to sketch simple floor plan designs while on the road. The sketches will be uploaded as images and reproduced with CAD (computer-aided design) software by a drafting team at the office. The device should be only for this purpose and does not require a large amount of RAM or processing power. Which device would you recommend?

Tablet

Select the one true statement in regards to client-side virtualization versus server-side virtualization.

The main benefit of server-side virtualization is better hardware utilization through server consolidation; whereas, client-side virtualization is particularly useful for testing and development.

In terms of electrical circuits what is the definition of voltage?

The potential difference between two points

How can you tell if your motherboard has distended capacitors? Select all that apply.

They are swollen and bulging. There is a residue.

For what reason might a technician review the boot messages?

To diagnose a problem at boot-up

In legacy networks what was the purpose of a bridge? (Select all that apply.)

To divide a network into two or more segments To reduce contention on the network

Why might you add an expansion card to a motherboard? (Select all that apply.)

To install an add-on NIC (Network Interface Card) To add a video card

What types of tools/supplies might you use to maintain a thermal printer? (Select all that apply.)

Vacuum and soft brush Rubbing alcohol and swabs

Which of the following statements is true regarding different types of displays? (Select all that apply.)

Very early computer monitors could support only 8-bit color for a total of 256 colors. OLED (Organic LED) display devices can be curved. Laser projectors typically use LCD (Liquid Crystal Display) or DLP (Digital Light Processing) imaging.

Webcams built into laptops are convenient and easy to use. Which of the following statements are TRUE of built-in webcams? (Select all that apply.)

Webcams can pose a security threat if app permissions are not applied effectively to prevent privacy abuses. Webcams built into the laptop are often positioned at the top of the display.

Which of the following software can be used for synchronizing items (such as calendar entries, music, and other files) among mobile devices? (Select all that apply.)

iTunes Kies