CompTia A+ 1001

Connector used to terminate an ethernet cable?

RJ-45

Coaxial cables are terminated with what type of connector?

RJ-59 or RG-6

BIOS allows you to do what?

Talk to the hardware without booting an OS.

The two main things you need to include for a dedicated virtualization workstation are?

(1) maximum RAM (2) multiple CPU cores.

The five things you need to set up a Network Attached Storage (NAS) devices are?

1) media streaming capabilities 2) file-sharing capabilities 3) Gigabit NIC 4) RAID array 5) hard drives.

The three main things you need to install for a video/audio editing station are?

1. A specialized audio/video card 2. A large, fast hard drive 3 Dual monitors

What are the four things you need for a gaming PC?

1. An SSD 2.High-end video/specialized GPU (Graphics Processing Unit) 3. High-def sound card 4.High-end cooling

What two things should you do when installing an IoT device in your home to prevent hackers from messing with the device?

1. Configure using WPA2 with a long password 2. Install the thermostat into a segregated DMZ.

Two reasons that an overhead projector will stop working

1. The bulb life counter needs to be reset 2. The cooling fan needs to be cleaned or replaced

SD RAM has how many pins?

168

DDR has how many pins?

184

DDR-2 has how many pins?

240

DDR-3 has how many pins?

240

DDR-4 has how many pins?

288

Your desktop computer is currently running out of internal storage space. You want to upgrade the workstation with more internal storage in order to store additional videos, photos, and backups and are not concerned with speed. What sort of storage should you use?

3 TB HDD

What type of printer uses a filament?

3D

There are how many bits in 1 Byte?

8

You multiply DDR by what to get the PC ratings?

8

Which wireless standard provides the highest speed?

802.11ac (up to 1 GBps)

What type of cable is most commonly used to terminate a serial connection to a modem?

A DB-9 is usually used to terminate a RS-232 connection on a serial cable.

Which of the following devices would allow you to control and provide input commands to multiple servers within the same server rack using a single set of input devices?

A KVM switch (with KVM being an abbreviation for "keyboard, video and mouse") is a hardware device that allows a user to control multiple computers from a single set of input devices (such as a keyboard, video monitor, and a mouse).

A device used to quickly connect multiple peripherals to a laptop.

A Port Replicator

If your display is shown in low resolution (640 x 480 or 800 x 600), but the computer isn't in Safe Mode, then it is usually

A corrupted or missing display driver.

Virtual Reality (VR) requires a fast processor, lots of memory, and

A dedicated graphics card.

You and your friends are hanging out in a bar downtown and notice that the entire area around the bar has a great wireless network called "Downtown Metro". This wireless network was built by the city and currently covers about 5 square blocks of the downtown area. What type of network best classifies this wireless network?

A municipal wireless network (MWN) is a citywide wireless network.

You will first connect it to the network, update its security software, and then install/configure any applications needed to access the VDI environment to set up what?

A thin client

CMOS (complementary metal-oxide semiconductor)

A volatile form of memory that uses a small battery to provide it with power to keep the data in memory even when the computer is turned off. It stores settings that are used by the BIOS.

This form factor is the most common.

ATX

If you get a SMART (Self-Monitoring and Repair Tool) error what should you do?

Back up the hard drive.

BIOS stands for what?

Basic input/output services

Which of the following types of wireless connections requires a pin to be entered as part of the pairing process prior to it being utilized?

Bluetooth

The first thing you should do when a user issues a ticket for a problem is?

Check for user error.

Type of cloud computing in which the setup of the cloud is shared manually among different organizations that belong to the same community or area.

Community Cloud

What does CMOS stand for?

Complementary metal-oxide semiconductor

You are attempting to build a new gaming workstation and have just finished installing the motherboard and the processor. You are about to begin installing the memory and notice that there are 4 DIMM sockets on the motherboard labeled 0, 1, 2, and 3. Two of these are colored red, and two are colored blue. Which of the following should you do FIRST?

Consult the motherboards manual.

If the image being displayed is dim, this could be an issue with?

Contrast

What is Northbridge?

Controls faster devices examples: CPU, RAM, PCI

Which type of internet connection is terminated at a local switching center and then requires a different type of media between the switching center and the end customer?

DSL

This provides a full virtualized desktop environment from within a cloud-based service.

DaaS (Desktop as a Service)

What two keys do you use to enter UEFI prior to the OS boot?

Delete and F2

What should you configure to increase the lifespan of a newly installed SSD?

Disable a regularly scheduled defragmentation of the SSD.

You are building a new server and want to ensure that its memory can allow the server to continue working even if there is an issue that corrupts data held within the memory modules. Which of the following types of memory should you select for the server?

Error-correcting code memory (ECC memory) is a type of computer data storage that can detect and correct the most common kinds of internal data corruption.

Which of the following devices would you configure an ACL in order to implement a security policy within your network?

Firewall

Sata runs what?

Hard Drives and Optical Media

The measurement of the amount of input and output operations that can be performed within a given time. The higher the I/O bandwidth, the faster and more efficient a cloud file-storage synchronization application will become.

I/O Bandwidth

A device or software application that monitors a network or system for malicious activity or policy violations.

IDS (Intrusion Detection System)

What is the best thing to use to prevent outside attackers from reaching your internal network?

IPS (Intrusion Prevention System)

A form of cloud computing that provides virtualized computing resources over the internet?

IaaS (Infrastructure as a Service)

What is a PCIe expansion slot?

It allows for video cards, etc (16 lane)

If a capacitor bubbles what happens to the motherboard?

It's dead

What kind of cooling system is great for overclocking?

Liquid

Computer network that interconnects users with computer resources in a geographic region of the size of a metropolitan or city area.

MAN (Metropolitan Area Network)

Small systems like POS systems use this form factor.

Mini-ITX

The most commonly used form factor with HTPC systems because they require the smallest fans or passive cooling, which minimizes the noise produced by the system.

Mini-it

Which cloud computing concept allows users to store files on a cloud-based server when necessary, but can also copy that data from the cloud and put it back on the device when space once again becomes available on the device?

On-demand (On-demand refers to the fact that a consumer can unilaterally provision computing capabilities, such as server time and network storage, as needed automatically without requiring human interaction with each service provider.)

A 3.3 volt transformer is represented by what color?

Orange

You just configured your iPhone to connect to your car's stereo over Bluetooth in order to play your favorite podcasts while driving to work. What type of network did you create between your iPhone and your car?

PAN (Personal Area Network)

What motherboard connection will mist likely be used to connect a wireless network card?

PCIe x1 (peripheral component interconnect express)

Which cloud computing concept is BEST described as focusing on replacing the hardware and software required when creating and testing new applications and programs from a customer's environment with cloud-based resources?

Platform as a Service (PaaS) provides the end-user with a development environment without all the hassle of configuring and installing it themselves

This cable has a special insulation that has low smoke and low flame characteristics. It is mandated to be installed in any air handling space.

Plenum

Which port would you block at a firewall if you want to prevent a remote login?

Port 22 (SSH)

Which of the following ports should you block at the firewall if you want to prevent a remote login to a server from occurring?

Port 23 (is used by telnet, which used to be used by administrators to connect remotely to a server and issue commands via a command-line interface.)

Your firewall is blocking outbound email traffic that is attempting to be sent. Which port should you verify is set to ALLOW in the firewall to ensure your emails are being sent?

Port 25 (Email servers rely on port 25 to send email out of the network. Port 25 must be set to OPEN or ALLOW in the firewall in order for SMTP (sendmail transfer protocol) to function properly.)

Your company just installed a new webserver within your DMZ. You have been asked to open up the port for secure web browsing on the firewall. Which port should you set as open to allow users to access this new server?

Port 443 (It is used for HTTPS traffic. Therefore, this port must be opened. This is secure web browsing over SSL or TLS.)

If you want an external user to be able to access an internal computer or server, you will need to setup?

Port Forwarding

POST stands for what?

Power On Self Test

If your computer won't boot but fans spin continuously, it indicates a problem with the

Power Supply (The wattage is too low for the components in the computer)

8.4.2.1 is an example of?

Public IP address.

Which RAID provides redundancy and double fault tolerance?

RAID 10

During POST if you hear a beep code until the system shuts down you are missing what key component?

RAM

Which of the following types of connectors are used to terminate a coaxial cable for your cable modem?

RG-6

Connector used to terminate a phone line.

RJ-11

The scalable provisioning or the capability to provide scalable cloud computing services.

Rapid Elasticity

A 5 volt transformer is represented by what color?

Red

To remove the BIOS password from a workstation or laptop, your best option is to forcibly clear the CMOS. You do this by?

Remove the CMOS battery from your computer, wait a few minutes, reinsert the CMOS battery, and then attempt to power on the computer again.

If the motherboard fails and you need access to the hard drive you can?

Remove the hard drive and connect it using a USB to transfer data to another hard drive.

The only types of hard drives or devices that use an ID number between (0-15) are?

SCSI (Small Computer System Interface)

Laptops and integrated PC's usually use what type of memory due to the small footprint of the memory module?

SO-DIMM

Which type of hard drive is faster HDD or SSD?

SSD

Used to provide web applications to end-users. This can be a calendar, scheduling, invoicing, word processor, database, or other programs.

SaaS (Software as a Service)

A user called the help desk to complain about an issue with their laptop's keyboard. Every time they type a word like "help" or "none", it is displaying as something cryptic like "he3p" or "n6ne". Which of the following is the MOST likely cause of this issue with the laptop keyboard?

The NumLock has been enabled

What is the Southbridge?

The Southbridge is connected to the Northbridge and to all other peripheral and external devices, such as HDD, monitor, keyboard and mouse.

If you smell burning what is the most likely source?

The power supply (it should be removed immediately before it damages other things)

If your hotspot speed drops from cellphone to laptop or tablet use what is happening?

The wireless hotspot feature is throttling the cellular connection speed.

A computer that will perform the bulk of the data processing in client/server applications on the local computer.

Thick-client

What happens if the CMOS battery is dying or dead?

Time will slow down and system setup info will disappear.

In a laser printer if you want to use special paper you would want to do what to ensure the print fuses to the paper?

Turn up the fuser temperature.

What is UEFI?

UEFI (Unified Extensible Firmware Interface) is a more advanced interface (than BIOS) between hardware and the operating system, which maintains support for legacy BIOS services.

Which of the following types of cables supports both charging and data transfer with a non-directional connector that can be inserted into a port on the device?

USB-C

UEFI stands for?

Unified Extensible Firmware Interface

Which of the following adapters could you use to convert the signal from analog to digital for use with the new television?

VGA to DVI-D

What is the virtualization technology supported by most modern Intel processors?

VT (Virtualization Technology)

PCIe runs?

Video Cards

The most secure wireless network configuration utilizes

WPA2 and AES encryption.

A 12 volt transformer is represented by what color?

Yellow

Your company has recently purchased a new wireless printer and has asked you to configure it in the office. You have installed the necessary printer drivers on your workstation and have plugged the printer into the power outlet. You just configured the printer to connect to the guest wireless network. Next, you try to print a test page, but nothing prints out. Which of the following is the most likely cause for the printer not printing the test page?

You connected to the guest wireless network instead of the office network.

You are troubleshooting an issue on a client's computer and need to make some changes to the computer in order to test your theory of probable cause. What should you do BEFORE you make any changes to the computer to test your theory?

You should always ensure that a recent backup of all of the client's important and critical files has been created prior to making any changes to the computer.

If a system stops working and you get a BSOD (Blue Screen of Death) it is usually due to

the processor failing.