CompTIA A+ 220-1001 & 220-1002 Mike Meyers - TOTAL: A+ Certification 220-1001 Udemy Course
An EMP (electromagnetic pulse) is a phenomenon—not a physical tool—and therefore doesn't belong in a technician’s toolkit. In contrast, tools like tweezers, nut drivers, spudgers, and even hemostats are practical instruments commonly used for precise hardware manipulation and electronic repairs
Which item is not likely to be found in a Tech’s Toolkit?
Tweezers
Nut Driver
Spudger
EMP
Hemostat
EMP
Key Terms
Which item is not likely to be found in a Tech’s Toolkit?
Tweezers
Nut Driver
Spudger
EMP
Hemostat
EMP
A Tech might use a Voltage Tester or this Tool to check power coming out of a wall socket?
RFI Meter
ESD Meter
Voltmeter
Tweezers
Voltmeter
The FIRST Step in Troubleshooting is to _________?
Identify the Problem
Implement Solution
Document the Service
Follow up with the Customer
Identify the Problem
After a Problem is Solved, which is an Appropriate Step?
Replace the Fault Component
Take Preventative Measures
Identify the Problem
Teach the Customer the jargon related to the Problem
Take Preventative Measures
Which Primary PC Component is an Output Device?
Microphone
Printer
Web Camera
Keyboard
Printer
This External Connector supports Connecting to a Network?
RJ-45
PS/2
Parallel Port
Mini-DIN
RJ-45
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| Term | Definition |
|---|---|
Which item is not likely to be found in a Tech’s Toolkit? Tweezers Nut Driver Spudger EMP Hemostat | EMP |
A Tech might use a Voltage Tester or this Tool to check power coming out of a wall socket? RFI Meter | Voltmeter |
The FIRST Step in Troubleshooting is to _________? Identify the Problem | Identify the Problem |
After a Problem is Solved, which is an Appropriate Step? Replace the Fault Component | Take Preventative Measures |
Which Primary PC Component is an Output Device? Microphone | Printer |
This External Connector supports Connecting to a Network? RJ-45 | RJ-45 |
Which Component is not installed directly onto the Motherboard? Chipset | Thermal Paste |
Laptop | CPU |
When an instruction is sent to the CPU in Binary pattern, how does the CPU know what Instruction the pattern means? External Data Bus | Code Book |
What is the design foundation on which families of CPUs are built? Microarchitecture | Microarchitecture |
How does a CPU increase the speed of the System Clock? Hyperthreading | Clock Multipliers |
Which type of Memory inside a CPU is the Slowest? Go L1 L2 L3 System RAM | L3 |
Which is a common Intel Socket? 1151 | 1151 |
When installing a CPU, protect it with what? Antistatic Wrist Strap | Antistatic Wrist Strap |
DDR4 RAM modules have how many pins? 168 | 288 |
Which type of RAM modules have 240 pins? SO-DIMM | DDR3 |
Which Technology makes Simultaneous Access to multiple RAM modules? Dual-Channel Memory | Dual-Channel Memory |
Which RAM would typically be installed in a Laptop Computer? ECC | SO-DIMMs |
What types of RAM can function even if one of the memory chips has failed? SO-DIMM ECC SPD RAM Dual-Channel RAM Double-Sided RAM | ECC (Error Correction Code) |
In what order should memory slots be populated? Whatever order the MB manual specifies. | Whatever order the MB manual specifies. |
BIOS Programs that enable hardware to function are called what? POST | Services |
Which is found in BIOS? Good Power Wire | Services |
What is the Primary purpose of POST? It is an addon card to test the Computer. | It performs Diagnostic Tests before booting to the OS. |
For which failures would you expect a POST to issue beep codes? Video Card Missing Keyboard No Printer Found No CPU Installed No Network Connected | Video Card |
How would a Tech start the System Setup Program? Touch the screen setup button on the front panel of the computer. | Press a certain key before the computer boots to the OS. |
To prevent random people from booting the OS, a tech should do what? Set a User Password | Set a User Password |
Which is more likely to cause a computer's reported time to fall behind? Earth is spinning more slowly. | The CMOS Battery is weak or failing. |
Which battery provides power to the RTC and CMOS Chip? CR3022 | CR2032 |
The Largest Motherboard Form Factor is? ATX | ATX |
What is true of an I/O Shield? The I/O Shield must be customized to fit the case. | The I/O Shield is customized to fit the motherboard I/O area. |
Which Chip is typically found on Modern Motherboards? CMOS Battery | South Bridge |
The job of the South Bridge is to act as the Interface between the CPU and what? Slow Hardware | Slow Hardware |
Which is typically not found on a Motherboard? PCIe Slots | SATA Cables |
Connectors with Cables that plug into the Motherboard are known as what? Dongles | Dongles |
Keeping the wires in a case neat, out of the way and easy to identify is called what? Structured Cabling | Cable Management |
Which critical components are found on the outside of the Case? Front-Panel Connections | Front-Panel Connections |
Which is it best to do before mounting the Motherboard in the Case? Connect the front-panel connection cables to the motherboard. | Test the motherboard with CPU and RAM installed. |
Which must be done before installing the Motherboard into a case? Install Case Fans. | Install the I/O Shield. |
A Power Supply with optional cable plug-ins is known as what? Soldered Power Supply | Modular Power Supply |
What does the On/Off Switch on a Power Supply do? Provides Wall Power to the Power Supply | Provides Wall Power to the Power Supply |
The 4/6/8 Pin Connector, (Known as the P4 Connector) on the ATX 12v Power Supply provides power to which computer components? SATA Drives | CPU |
Which is a Primary Characteristic to be considered when choosing a Power Supply? Cable Lengths | Efficiency |
Which is the quietest Cooling Solution? Small Fan on a Heat Sink | Liquid Cooling |
What is the Primary Result of Overheating the CPU? Faster Fan spinning | Shutdowns and Rebooting |
The Voltages output by a PSU can be checked with which Tool? Power Supply Tester | Power Supply Tester |
Catastrophic (FAST) Power Supply Failures typically include which symptom? Slow System Performance | Burning Smell |
Unexpected noise coming from inside a running computer likely comes from what? The system speaker failing. | Something interfering with a fan. |
If installed RAM does not show up in the CMOS setup program, what is the best course of action? Re-Seat the CPU | Re-Seat the RAM Modules. |
Mass Storage is organized into __ ? Gibibytes | LBAs (Logical Block Addressing) |
What does not describe a Mass Storage Device? Optical Drive | M.1 Drive |
Which is a Standard Command and Connection standard for Mass Storage Devices? ATA | ATA |
Using SATA, how is data passed between the Computer and the Hard Drive? Eight bits at a time. | One bit at a time. SATA uses a serial data transfer protocol. Data is transferred one bit at a time from the drive to the computer and one bit at a time from the computer to the drive. SATA does not pass data 2-bits, 4-bits or 8-bits at a time. |
SSDs are organized into Logical Blocks, but their Memory Storage cells are called what? Sectors | Pages |
Which interface is the Fastest? SATA | NVMe |
Combine SCSI with SATA to get _ ? SSCSI | SAS (Serial Attached SCSI) |
Running SCSI commands over Ethernet is called ? iSCSI | iSCSI (Internet Small Computer Systems Interface) |
Which cannot be set as the first Boot Choice? USB Drive | UEFI |
Which is a likely reason for a Computer to fail to boot? Boot order set to bootable Optical Media. | Boot order changed to a non-bootable device. |
What is the minimum number of Drives to perform RAID 5? 1 2 3 4 5 | 3 |
What is the Max Number of Drive Failures under RAID 6 at which the Array will still function? 0 1 2 3 4 | 2 |
Which is an example of Hardware RAID Controller? Storage Spaces | Dedicated Expansion Card |
RAID 10 Requires how many Drives? 4 3 2 8 | 4 |
Which is most likely the Result of a Corrupted OS? System attempts to boot from wrong device. | Continuous Rebooting |
Which is a Valid capacity for a CD? 74 Mb | 74 Minutes 74 minutes is a valid CD capacity. The other values are not valid for CDs. |
Which is not a Valid USB Speed? 12 Mbps |
|
Each version of USB in a computer has it's own what? USB Hub | USB Controller Each version of USB in a computer has its own USB controller which is then connected to a USB hub. USB Type-B connectors connect to a downstream peripheral (such as a printer). A USB hub is a circuit or device with one or more upstream USB ports. Each version of USB does not have its own peripheral. |
Most USB peripherals already have a what? Windows Driver | Windows Driver |
Which is not a Valid Thunderbolt Speed? 10 Gbps | 30 Gbps |
What color is a PS/2 Mouse Port? Red | Green PS/2 mouse ports are green. PS/2 keyboard ports are purple. Red and blue PS/2 ports are not a standard and are seldom, if ever, seen. |
Which utility would a Tech use to configure mouse settings? Display Settings | Control Panel |
What kind of audio connector provides Digital Audio Output? Main Speaker Connector | S/PDIF S/PDIF is the Sony/Phillips Digital Interface. The other connector choices are all analog, not digital. |
Which is not a consideration when selecting a slot in which to install an Expansion Card? Air Flow | Type of Operating System |
Which is not a step in installing a New Expansion Card? Turn on the Computer | Turn on the Computer. |
The two most critical components in Virtualization Workstations are a Powerful CPU and what? Powerful Video Card | RAM |
What is the Core Component in a NAS Setup? SSD | RAID Array |
Which is a Monitor Backlight Technology? LCD | LED LEDs are a monitor backlight technology. LCDs don't make their own light (thus the need for a backlight). OLEDs make their own light (they don't need a backlight). Nit is a unit used to measure monitor brightness. |
Which display technology uses Moving Mirrors? CCFL | DLP (Digital Light Processing) |
A CPU with a built in graphics processor is what? DVI | APU (Accelerated Processing Unit) |
Which is not True of DVI Connectors? Dual-Link connectors can support multiple monitors. | DVI-I supports only 1 monitor. DVI-I can support one or more monitors. The other statements are all true regarding DVI. |
Which interface supports DRM? HDMI | HDMI |
Which is not a task performed in Windows when installing a Video Card? Adjust PCIe Power | Adjust PCIe Power |
Which is not a standard projector adjustment? Keystone | Threading |
Which may be corrected by resetting a Connector? Dead Pixel | Incorrect Color Patterns |
Which is not a cause of an Overheat/Shutdown? Bad Fan | Failed Inverter |
What goes at the END of an Ethernet Frame? Destination MAC | FCS (Frame Check Sequence) |
MAC Addresses are made up of how many Bits? 24 | 48 |
How does a Switch know the MAC Addresses of Connected devices? Switches don't know MAC Addresses | The Switch learns the Addresses by watching Frames. |
MAC Addresses can be represented by how many Hexadecimal Characters? 4 8 12 16 | 12 |
How are WANs Identified? Logical Address | Logical Address |
Which is not a Network Cable type? Coaxial | Plenum |
Multimode Fiber Optic cables use what for their Light Source? Lasers | LEDs |
Which is the best tool to identify a specific cable without a bundle of cables? Fox & Hound | Fox & Hound |
Solid-Core Cabling is best used where? To connect a Switch to a Patch bay in a Patch Panel | To connect distant locations with Horizontal Runs and drops inside walls and plenum spaces. |
A Class A IP Address has how many locked octets? One | One |
What does 255 mean in a Subnet Mask? The octet is part of the host address. | The octet is part of the Network Address |
Which is usually true of NAT Routers? NAT Routers have a Private Address on the WAN side and a Public Address on the LAN side. | NAT Routers have a Public Address on the WAN side and a Private Address on the LAN side. |
How many bits are in an IPv6 address? 32 | 128 |
Which Service uses port 445? HTTPS | SMB (Server Message Block) |
What is the max number of Characters in a FQDN? 128 (Including Dots) | 255 (Including Dots) |
Which is NOT a WIFI Capable device? WAP | Switch |
Which 802.11 Standard runs on 5GHz?
| 11a |
Which should you try first if your device can't Connect to a remembered public Wireless Network? Increase the transmit power of the SOHO Router. | Delete the Profile and try to connect again. |
Which is not true of Wireless Mesh Networks? Mesh Networks have a single base station. | Mesh Networks are best for large enterprise Networks. |
Which is not a Wireless Radio Technology found in computers, tablets, or phones? Infrared | Infrared |
Which is most likely to prevent a device from Connecting to a previously used WIFI Network? The Antenna(s) are poorly oriented. | The SSID has changed. |
Which is NOT True of Broadband Connections? Broadband is Always On | Dial-Up Supports Broadband Speeds of 1.5 Mbps |
Which Firewall exception must be enabled on a Client to Connect to a Webserver? Port 143 (inbound) Port 143 (outbound) Port 80 (inbound) Port 80 (outbound) | Port 80 (outbound) |
Passive mode FTP uses Port . Active Mode FTP uses this same port plus Port ? 20, 21 | 21, 20 |
Which is NOT an Email Protocol Port? 25 | 443 |
Which is NOT a Wireless Technology used in IoT? Ethernet | Ethernet |
A Virtual Machine is a OS running within a _ OS. hypervisor, host | guest, host |
Which is NOT needed to install a VM? Hypervisor | Optical Drive |
Which is NOT a good use of VMs? Practice administering different OS. | Install 3D Games |
Which is NOT a benefit of Cloud Service? Local Hosting | Local Hosting |
Which is NOT a Cloud Ownership Category? Corporate | Corporate |
Which is NOT a benefit of Cloud-Based Apps? Server is located off-site. | Streaming apps can be installed locally. |
Which feature is Unique to Laptops? Touchpad | Touchpad |
Which is a good technique to use when working inside a Laptop? Store all removed screws and hardware in a bowl to avoid losing them. | Review a disassembly guide or manual. |
Which technique is most helpful when reassembling a laptop? Consult pictures taken when disassembling the laptop. | Consult pictures taken when disassembling the laptop. |
Which component usually takes the most disassembly to replace in a laptop? RAM | CPU |
Laptop monitors can be challenging to work on for what reason? They use high power. | They are sealed. |
Which is not True of Mobile Devices? It is a Single, Sealed Unit. | It can easily be service and upgraded. |
Which is not a wired connection for a smart phone? Lightning | Ethernet |
Where can users get Android Apps? Play Store | Play Store |
Which best describes Augmented Reality? A Completely computer-generated environment. | Computer-generated elements superimposed on the real environment. |
Which is not a Mobile-Device Maintenance Practice? Update the PRL | Install .apk Files |
Synchronization is least concerned with which choice? Contacts | Backups |
Which port number is not used by an Encryption Email protocol? 143 | 143 |
What material do Laser Printers use to create the Final Printed Image? Heated Thermal Plastic | Toner |
Which letters represent the Ink Colors normally used in Color Inkjet Printers? RGB, BK, WH | CMYK |
Which is not a part of the Impact-Printing Process? Pins Pop Out of the Print Head. | Pre-Heat the Printhead. |
What is not a Maintenance Task for a Thermal Printer? Replace the Paper | Replace the Fuser |
Connecting a Local Printer to a Computer is usually done with what kind of Connection? USB | USB |
Which is NOT True of Shared Printers? To access a shared printer, create a local printer and then convert it to Shared. | To access a shared printer, create a local printer and then convert it to Shared. |
Which is not part of the 3D Printing Process? Create the 3D Image | Print a 2D Test |