Podcast
Questions and Answers
Which DDR version has a curved contact edge designed to help prevent damage to the module during installation?
Which DDR version has a curved contact edge designed to help prevent damage to the module during installation?
What physical interface is being replaced on Apple computers by Thunderbolt?
What physical interface is being replaced on Apple computers by Thunderbolt?
Which of the following elements are different between an internal SATA cable and an eSATA cable?
Which of the following elements are different between an internal SATA cable and an eSATA cable?
Which of the following video interfaces are analog only?
Which of the following video interfaces are analog only?
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What expansion slot do you expect an older graphics design workstation computer might use for its video card?
What expansion slot do you expect an older graphics design workstation computer might use for its video card?
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Which display connection type uses three cables to carry the video signal?
Which display connection type uses three cables to carry the video signal?
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Which expansion interfaces are hot-swappable?
Which expansion interfaces are hot-swappable?
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Which display connection standard has the ability to also carry Ethernet network data?
Which display connection standard has the ability to also carry Ethernet network data?
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Which connector type is used to connect both component and composite cables?
Which connector type is used to connect both component and composite cables?
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Which device connector is proprietary and uses an authentication chip to prevent unauthorized manufacturing?
Which device connector is proprietary and uses an authentication chip to prevent unauthorized manufacturing?
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Which of the following is a benefit of solid state drives over magnetic hard drives?
Which of the following is a benefit of solid state drives over magnetic hard drives?
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Which of the following RAID levels incorporates disk striping?
Which of the following RAID levels incorporates disk striping?
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What actions can you expect a DVD+RW drive to perform?
What actions can you expect a DVD+RW drive to perform?
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Which optical drive technology uses a 405 nm wavelength laser?
Which optical drive technology uses a 405 nm wavelength laser?
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Which RAID level is also known as disk mirroring?
Which RAID level is also known as disk mirroring?
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If you have a RAID implementation with data parity, do you still need data backups?
If you have a RAID implementation with data parity, do you still need data backups?
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What could cause an optical drive to not be recognized by the system?
What could cause an optical drive to not be recognized by the system?
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Which of the following storage methods stores data sequentially?
Which of the following storage methods stores data sequentially?
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Which memory cards can be read by an SDHC card reader?
Which memory cards can be read by an SDHC card reader?
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Which setting should you adjust if a keyboard is registering multiple spaces when the space bar is pressed?
Which setting should you adjust if a keyboard is registering multiple spaces when the space bar is pressed?
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What characteristic can biometric devices measure?
What characteristic can biometric devices measure?
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What type of display is most suitable for viewing sensitive information in a public area?
What type of display is most suitable for viewing sensitive information in a public area?
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Which LCD technology is known for producing the most accurate colors?
Which LCD technology is known for producing the most accurate colors?
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Which factor would lead you to recommend a DLP projector over an LCD projector?
Which factor would lead you to recommend a DLP projector over an LCD projector?
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Can a coupler join two optical inputs to one output if they are of different wavelengths?
Can a coupler join two optical inputs to one output if they are of different wavelengths?
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What is likely true about blue and green connectors on optical cables?
What is likely true about blue and green connectors on optical cables?
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Which protocol is used to resolve a MAC address from a given IP address?
Which protocol is used to resolve a MAC address from a given IP address?
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Which of the following IPv4 addresses is valid on the internet?
Which of the following IPv4 addresses is valid on the internet?
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What type of subnet mask is considered valid?
What type of subnet mask is considered valid?
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Which prefix indicates a link-local IPv6 address?
Which prefix indicates a link-local IPv6 address?
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What migration strategy allows both IPv4 and IPv6 communication between hosts?
What migration strategy allows both IPv4 and IPv6 communication between hosts?
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Which port is commonly associated with sending email?
Which port is commonly associated with sending email?
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What is the correct order of the steps in the A+ troubleshooting process?
What is the correct order of the steps in the A+ troubleshooting process?
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Is it appropriate to apply an application update from the manufacturer to fix an application error reported by users?
Is it appropriate to apply an application update from the manufacturer to fix an application error reported by users?
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In which step of the troubleshooting process are manufacturer websites and technical support forums particularly valuable?
In which step of the troubleshooting process are manufacturer websites and technical support forums particularly valuable?
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Which safety device is essential for protecting sensitive components from electrostatic discharge?
Which safety device is essential for protecting sensitive components from electrostatic discharge?
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Which class of fire extinguishers is specifically effective against electrical fires?
Which class of fire extinguishers is specifically effective against electrical fires?
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What types of items can lead to soil and water contamination if disposed of in landfills?
What types of items can lead to soil and water contamination if disposed of in landfills?
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Which component installed directly on the motherboard is considered replaceable?
Which component installed directly on the motherboard is considered replaceable?
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Which motherboard component is responsible for routing data from I/O devices to the CPU?
Which motherboard component is responsible for routing data from I/O devices to the CPU?
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Which features are automatically disabled when airplane mode is activated?
Which features are automatically disabled when airplane mode is activated?
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What is the recommended process to connect your smartwatch to your mobile phone as a Personal Area Network (PAN)?
What is the recommended process to connect your smartwatch to your mobile phone as a Personal Area Network (PAN)?
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Which protocol is likely needed to manually configure access to an ISP email account on your devices?
Which protocol is likely needed to manually configure access to an ISP email account on your devices?
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How can you identify the IMEI for your second device when connected to a mobile provider?
How can you identify the IMEI for your second device when connected to a mobile provider?
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What troubleshooting step can best address issues like slow performance or a non-functioning feature on your mobile device?
What troubleshooting step can best address issues like slow performance or a non-functioning feature on your mobile device?
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Study Notes
Troubleshooting Theory
- Steps in the A+ troubleshooting process, in order:
- Document findings
- Establish a theory of probable cause
- Identify the problem
- Test the theory to determine cause
- Establish a plan of action and implement the solution
- Verify system function
- Correct order: 4, 3, 5, 2, 6, 1
Troubleshooting Theory - Application Updates
- Applying an application update from a manufacturer to fix an application error is generally True.
Troubleshooting Theory - Web Support
- Manufacturer websites and technical support forums are helpful in establishing a theory of probable cause.
Troubleshooting Theory - User Verification
- The user who reported the problem is often best suited to verify that the problem is fixed.
Safety - Electrostatic Discharge
- Antistatic bags are used to protect sensitive components from ESD during transit and storage.
Safety - Electrical Fires
- Class C fire extinguishers are used on electrical fires.
Safety - Landfill Contamination
- Batteries and CRTs can contaminate soil and water if sent to a landfill.
Motherboards - Replaceable Components
- A CMOS battery is a replaceable component directly installed on the motherboard.
Motherboards - Data Transfer Component
- The southbridge chip is used to take data from input/output devices and pass it onto the CPU.
Motherboards - Display Connections
- HDMI, VGA, and DVI are ports on the motherboard that can connect a display device to the computer.
Expansion Slots - Obsolete Standard
- ISA is an obsolete expansion standard no longer included in new computers.
Motherboards - Dominant Form Factor
- ATX is the most common form factor for desktop motherboards.
CPUs - Hyperthreading
- Hyperthreading is a CPU feature that simulates two logical processors on a single physical processor by overlapping instructions.
CPUs- Ryzen Socket Type
- Ryzen CPUs use the AM4 socket.
CPUs- Core and Thread Capacity
- A 64-bit quad core CPU with hyperthreading can process up to eight threads simultaneously and run both 32-bit and 64-bit software.
CPUs- Overheating
- Overheating is a potential cause for a CPU failure to boot.
CPUs - Passive Cooling
- A heat pipe is a more efficient passive cooling device than a simple heat sink.
Power Supply Connectors- SATA Connection
- A 15-pin SATA connector provides power to modern hard disk drives.
Power Supply Connectors - ATX Connector Compatibility
- Though not necessarily recommended, a 20-pin ATX motherboard power connector can be used on a 24-pin motherboard socket by leaving the end four pins empty.
Power Supply Connectors - PCI Expansion Power
- A PCIe expansion card, which in this case requires 225-watts, can be powered with a PCIe 8-pin power connector.
Power Supply Installation - Wattage Selection
- The wattage of a power supply unit (PSU) should equal or exceed the combined wattage needed by all system components.
Power Supply Installation - Tools
- Electrostatic gloves and a screwdriver are needed to install or change a power supply.
Power Supply Troubleshooting - Memory Errors
- Memory errors can occur due to a faulty or underpowered power supply unit.
Power Supply Troubleshooting - Boot Failure
- A failed power supply unit may prevent a computer from booting.
Power Supply- Rechargeable Battery Bulge
- If a rechargeable battery has a bulge, it should be carefully removed from the device, and disposed of properly, to prevent damage.
Read-Only Memory - Security Feature
- The Trusted Platform Module (TPM) is a BIOS/UEFI security feature best suited for protecting highly confidential data.
Read-Only Memory - Diagnostic Tests
- Running hard disk and memory tests within the BIOS/UEFI is crucial for identifying potential errors in these components which might cause the rebooting issue.
Random Access Memory - Volatile Memory
- RAM is volatile memory that loses data when power is removed.
Random Access Memory - Speed
- RAM generally operates faster than hard drives and flash storage.
Random Access Memory - Modules
- SODIMM modules are generally used for laptops and other smaller devices.
Random Access Memory - Error Detection
- ECC (Error Correction Code) is a RAM feature that uses algorithms to detect single-bit and multi-bit errors.
Random Access Memory - Curved Contact Edge
- DDR4 RAM modules often have curved contact edges to prevent damage during installation.
Expansion Interfaces - Thunderbolt Replacement
- FireWire is a physical interface that's being replaced by Thunderbolt on Apple computers.
Expansion Interfaces - USB Color Coding
- Computer USB ports often have color codes that indicate their USB version (Typically, 3.x ports are blue, and 2.0 ports are black or white. ). Ports with red receptacles provide power when the computer is on standby.
Expansion Interfaces - SATA/eSATA Differences
- Differences between SATA and eSATA cables include connector shape and electromagnetic shielding..
Expansion Interfaces - Analog Video Interfaces
- DVI-A and VGA are analog video interfaces only.
Expansion Interfaces - Audio Connections
- MIDI is the protocol and standard used on sound cards for connecting with synthesizers and other electronic instruments.
Expansion Cards - Video Card Slot Type
- AGP and PCIe are the most likely expansion slots a video card of an older graphics design workstation might use.
Expansion Cards - Hot-Swappable Interfaces
- ExpressCard and Thunderbolt expansion interfaces are usually commonly considered hot-swappable.
Expansion Cards - Wireless Adapter Replacement
- Adding an ExpressCard, USB dongle, or replacing the Mini-PCIe card are common methods to replace a dead Wi-Fi adapter.
Connectors and Cables - Display Cables
- The Component video connection uses three cables to carry the video signal.
Connectors and Cables - Network Data with Display
- HDMI is a display connection standard that also carries Ethernet network data.
Connectors and Cables - Composite and Component
- The RCA connector type is used to connect both component and composite cables..
Connectors and Cables - Long Distance Connections
- eSATA and USB cables are wired mediums known for having greater lengths than their contemporaries in the field.
Connectors and Cables - Proprietary Connectors
- Lightning connectors use an authentication chip to prevent unauthorized manufacturing.
Disk Drives - Solid State Drive Advantages
- Solid State Drives (SSDs) generally have faster boot and access speeds than Magnetic Hard Drives (HDDs).
Disk Drives - Drives Requiring Jumpers
- IDE and Parallel SCSI hard drives frequently need jumpers configured prior to installation.
Disk Drives - POST Indicators
- An invalid boot disk error and fixed disk errors are possible symptoms during the Power-On Self-Test (POST) process that might indicate a hard drive problem.
Disk Drives - Direct SSD Connections
- The mSATA interface is more commonly found in older computers whereas an M.2 interface is more commonly used in newer computers
Disk Drives - SATA Hard Drive Errors
- A "hard drive not found" error could mean no boot disk is available after a new SATA hard drive installation.
RAID - Disk Stripping
- RAID 0, RAID 5, and RAID 10 incorporate disk striping.
RAID - Parity Data & Drive Failure
- The rebuild process of a RAID drive from parity data can, in some cases, result in drive failure.
RAID - Disk Mirroring
- RAID 1 is commonly known as disk mirroring.
RAID - Backups with Parity
- With data parity (in some RAID implementations), backups are still recommended.
Optical Drives - DVD+RW Capabilities
- DVD+RW drives are usually capable of reading CDs, writing CDs, and recording rewritable DVDs.
Optical Drives - Blu-ray Compatibility
- Blu-ray drives use a 405 nm wavelength laser.
Optical Drives - IDE Drive Jumpers
- IDE optical drives frequently require jumper configuration before installation.
Optical Drives - Optical Drive Recognition Issues
- An optical drive that isn't recognized by the system could be due to firmware update needs or the presence of dust or dirt on the laser.
Other Storage Methods - Sequential Storage
- Magnetic tape is a storage method that stores data sequentially.
Other Storage Methods - Memory Card Compatibility
- A laptop SDHC card reader is generally compatible with 2GB SD, 8GB Micro-SD, and 32GB SD memory cards.
Other Storage Methods - Flash Drive Data Corruption
- Data on flash drives or memory cards can be corrupted with incorrect removal.
Input Devices - BIOS/UEFI Access
- Wireless keyboards can't be used to access the BIOS/UEFI.
Input Devices - Keyboard Repeat Delay
- Repeat delay is the keyboard setting that needs adjustment for a repeating space issue.
Input Devices - Touchpad Double-Tap
- Incorrect double-tap speed can be a common issue for touchpads. Increasing the double-click interval is a potential solution.
Input Devices - Biometric Characteristics
- Biometric devices commonly measure fingerprints, voice, retina patterns, or facial recognition.
Display Output Devices - Minimizing Visibility
- TN LCD displays usually have a lower risk of visibility or screen glare from the outside, compared to IPS, OLED, and Plasma displays.
Display Output Devices - Color Accuracy
- IPS displays are generally known for producing the most accurate colors.
Display Output Devices - Brightness
- Adjusting brightness is a common way to enhance visibility.
Display Output Devices - Adjustable Settings
- Refresh rate is usually not an adjustable setting on standard LCD displays.
Display Management - DVI to VGA compatibility
- A DVI monitor can be used with a VGA port.
Display Management - External Monitor Settings
- External monitors do not need identical settings as the primary display device.
Display Management - Display Artifacts
- An overheating graphics card can frequently correlate to display artifacts.
Display Management - Color Depth Adjustment
- Windows frequently allows for color depth adjustments.
Display Management - Screen Saver Functionality
- Running screen savers usually will avoid burn in, and dead pixels.
Display Management - Blank Monitor
- A blank monitor is not always due to a monitor failure.
Other Input and Output Devices - Conductive Touchscreens
- Capacitive touchscreens are frequently electrically conductive.
Other Input and Output Devices - Touchscreen Cleaners
- Eyeglass cleaner is an appropriate liquid cleaner for cleaning dirty touchscreens. Plain water is also appropriate.
Other Input and Output Devices - Speaker Powering
- Internal amplifiers with 3.5mm jack, or USB connections are common ways to power speakers without relying on wall outlets or a mains connection.
Other Input and Output Devices- Speaker Phantoming Functionality
- Using speaker phantoming functionality from your sound card helps deliver your 5.1 surround-sound to your three-speaker setup.
Other Input and Output Devices - Audio File Issues
- Audio file distortion frequently arises when the wrong sample rate or bit depth is used.
Other Input and Output Devices - Speaker Utility for Troubleshooting
- The Control Panel Sound applet is a frequent utility for troubleshooting speakers.
Classification of Networks - Network Scope by User
- Personal Area Network (PAN) is frequently controlled by a single user.
Classification of Networks - Network Size Hierarchy
- The correct order of network scopes, smallest to largest in size: PAN, LAN, CAN, MAN, WAN.
Classification of Networks - Peer-to-Peer and Client-Server
- Most small Local Area Networks (LANs) frequently incorporate both peer-to-peer and client-server functions.
TCP/IP - Ethernet Card Layer
- Ethernet cards operate on the Network Interface (Layer) of the TCP/IP model.
Network Devices - Collision Reduction
- Both routers and switches can reduce network collisions by segmenting the network.
Network Devices - Bridges - Types
- Bridges can frequently connect different types of link layer protocols; these devices are often also frequently found to reduce network collisions and separate IP subnets. Wireless access points operate as bridges between Ethernet and Wi-Fi.
Network Devices - Cable Modems
- “Cable modem” is a practical term despite not fitting the technical definition of a modem.
Network Devices - VLAN Assignments
- Static VLAN assignment in a switch is often used to segment a network into multiple VLANs.
Network Devices - Wireless Access Points
- Wireless access points are typically routers.
Network Devices - Network Security Multifunction
- A UTM (unified threat management) device is generally suitable for network security functions like firewall, IDS, and content filtering.
Internet Connections - Demarcation Point
- The demarc is the boundary of responsibility between a customer's networking equipment and their ISP's networking equipment. The ISP frequently handles anything beyond a customer's network boundary.
Internet Connections - Connection Technology
- DSL internet connection uses the same wires to transmit an analog phone line but transmits through an entirely different channel.
Internet Connections - BRI ISDN Channels
- BRI ISDN connections typically have two data channels.
Internet Connections - Cellular Data Rate Ranking
- In general, EDGE is the slowest cellular technology, followed by 3G, HSPA+, and lastly 4G LTE.
Twisted Pair Connections - Signaling Type
- Twisted-pair cables employ balanced-pair signaling.
Twisted Pair Connections - Cable Termination Types
- To connect a PC to a switch, T568A or T568B wiring is used.
Twisted Pair Connections - Cable Fault Diagnostics
- A time-domain reflectometer (TDR) is the quickest instrument used to identify cable flaws.
Twisted Pair Connections - Intermittent Connection Troubleshooting
- Unreliable and frequent connection issues are likely to correlate with crossover cables, half-duplex settings, or external interference.
Twisted Pair Connections - Cat 6 Cable Type
- In the context of ISO standards frequently used in networking, Cat 6 cables are frequently categorized as class E.
Coaxial Connections - RG Numbers
- The RG number of a coaxial cable frequently correlates to its impedance.
Coaxial Connections - Connector Standards
- Cable Television (CATV) connections frequently use F-type connectors while Cable Internet/Modem connections use BNC connectors.
Coaxial Connections - Cable Modem Standards
- RG-59 is one common coaxial cable standard used with CATV, and usually should not be used with most cable modems.
Optical Media - Single Mode vs Multimode Fiber
- Multimode optical transceivers tend to be cheaper than single mode counterpoints. Single-mode fiber, in general, is a better medium for transmitting information for greater distances compared to multimode fiber.
Optical Media - Connector Types
- SC connectors are frequently square-shaped with a single fiber.
Optical Media - Couplers
- Couplers, within the context of optical media, can join two optical inputs to one output only when both inputs have the same wavelength.
Optical Media - Green and Blue Optical Cables
- Green connectors are more likely to correspond to multimode fiber, in general, and blue connectors are most likely to use single mode fiber.
TCP/IP Settings - MAC Address Resolution
- ARP is the protocol used to find the MAC address, within the context of an IPv4 address.
TCP/IP Settings - Internet-Valid IPV4
- An 150.50.101.32 IPv4 address is a valid one, within the internet context. Other addresses that are local may not be valid across internet domains.
TCP/IP Settings - Subnet Mask Validation
- The subnet masks 255.0.0.0, 255.255.224.0, and 255.255.255.0 are all valid subnet masks.
TCP/IP Settings - Link Local IPv6
- IPv6 Link-Local addresses frequently begin with "fe80:".
TCP/IP Settings - IPv4 Migration
- A dual stack strategy is a suitable approach is needed to support both IPv4 and IPv6 across a network during transition between standard versions.
TCP/IP Settings - DNS Local Server
- DNS lookups frequently do not need the whole domain name to access local servers.
Transport Protocols - UDP Applications
- Suitable communications that use UDP protocol are frequently used for online games, streaming video, and DNS requests.
Transport Protocols - TCP Server Port Range
- Applications frequently use User ports for TCP connections or similar functionality.
Transport Protocols - Email TCP Port
- Port 25 is frequently used for sending email messages.
Application Protocols - Relay Server
- A Proxy server frequently relays communications between LAN hosts and Internet hosts.
Application Protocols - Network Switch Management
- SNMP is a frequent protocol for remotely managing network switches.
Application Protocols - Shared Drive Access
- SMB is frequently used as the protocol to access a shared drive on a different Windows system.
Application Protocols - Secure Web Connections
- HTTP over SSSL/TLS (HTTPS) provides a secure web connection.
Application Protocols - Secure CLI Access
- SSH is a protocol often used to log securely into a command line terminal interface.
Wireless Technology - Point-to-Point Antennas
- Yagi antennas are frequently used for point-to-point wireless connections, as these antennas are frequently good for long range connections.
Wireless Technology - MIMO Devices
- MIMO devices, in general, do not increase the bandwidth without other considerations such as varying frequencies or signals used across antennas.
Wireless Technology - Wi-Fi Duplex
- Wi-fi is considered to be half-duplex.
Wireless Technology - 5GHz and 2.4GHz Comparison
- The 5GHz band frequently has more non-overlapping channels than the 2.4GHz band and frequently has less interference than the 2.4GHz band.
Wireless Technology - Wi-Fi Channel Selection
- Channels 1, 6, and 11 frequently work well for avoiding interference with adjacent routers or networks in a crowded environment, in particular 2.4GHz networks.
Wireless Technology - Home Automation
- Z-Wave is a commonly found technology for household devices or automation such as lighting, thermostats, or security systems.
Wi-Fi Standards- Frequency Spectrum Bands
- 802.11n and 802.11ax are capable of operating on either the 2.4GHz or 5GHz frequency bands.
Wi-Fi Standards- Encryption Standards
- WPA3-AES generally ranks as the strongest among the listed wireless encryption methods, in order from strongest to weakest
Wi-Fi Standards - WPA3 Encryption Strength
- The WPA3-Enterprise protocol generally provides 192-bit encryption strength.
SOHO Router Features - Port Forwarding
- Port forwarding is a necessary configuration rule frequently required to enable or allow internet communication across a firewall from a local device to the internet.
SOHO Router Features - DHCP and Static IP Address Preservation
- DHCP, in some circumstances, will preserve a static IP address for a specific client, but will more often result in a random IP address assignment to a device on each startup.
SOHO Router Features - QoS Settings
- A router’s QoS, or Quality of Service, settings allow for different types of traffic or network traffic to be prioritized. This prioritization frequently allows administrators or users to reduce network latency experienced regarding certain connections such as Voice over IP (VoIP) traffic and video conferencing.
SOHO Router Features - Interfering Hotspots- 2.4 GHz
- Using an adjacent channel for a neighboring hotspot in the 2.4GHz band can frequently create an interference issue, particularly for Wi-Fi connections that use similar frequencies or channel bandwidths.
Virtualization - VMs as Files
- The entire hard drive of a virtual machine (VM) is usually a file that is stored or kept within the host system, similar to regular files or folders in the file system.
Virtualization - Virtual Server Configuration
- Assigning different public IP addresses on a virtual machine (VM) or Virtual Network Interface (VNIC) to separate VMs is a simple way to configure them.
Virtualization – Efficient Configuration for Virtual Machines
- To optimize performance, frequently an Eight core 3.0 GHz processor is recommended, with 24 GB or more of dual-channel or triple-channel RAM, along with frequently one or more 2TB hard drives in a VM setup.
Cloud Computing - Accounting Service Model
- SaaS (Software as a Service) is a frequent model used for cloud-based accounting services.
Cloud Computing - Deployment Model
- A Private cloud deployment is frequently a suitable option if a system is to be hosted within a new data center managed by an outside vendor.
Cloud Storage - User-Oriented Features
- A cloud storage service for users frequently involves shared file capabilities, backup functions, multiple device synchronization, and web-based access from any browser.
Cloud Computing - Joining vs Leaving Services
- Joining or expanding a cloud service is frequently easier than leaving or migrating off of a similar service.
Mobile Device Types - Device Functionality
- Smartphones and phablets enable installing apps and browsing the internet, making and sending phone calls, or texting.
Mobile Devices - Accessory for Crafts Sales
- A credit card reader for mobile devices is frequently used to maximize sales potential.
Mobile Devices - Accessory for Mobile Work
- A docking station is a suitable accessory that is helpful for mobile work.
Mobile Devices - Orientation Adjustment
- Accelerometers and gyroscopes are frequent parts of smartphones and/ or tablets, that adjust screen orientation based on device positioning.
Mobile Device Configuration - Vehicle Integration
- Bluetooth is frequently used to connect a smartphone or similar mobile device to a vehicle's communication or speaker system for audio, video and or communication.
Mobile Device Configuration - Airplane Mode
- Air plane mode is frequently used to immediately disable wireless connections and other similar functionalities, while travelling or using the device under non-ideal conditions where there is a potential or need for the device to remain offline.
Mobile Device Configuration - Mobile Device to PAN
- Bluetooth is commonly used to link a smartwatch to a mobile device (like a smartphone) over a PAN (Personal Area Network.)
Mobile Device Configuration - Email Protocol Usage
- IMAP is used to access an ISP's email account remotely when manually setting up an account on a variety of mobile devices.
Mobile Device Configuration - IMEI Numbers
- IMEI numbers are typically unique and built into the mobile device itself.
Mobile Device Configuration- Desktop Synchronization
- Desktop synchronization services typically do not synchronize from devices to the desktop or desktop locations.
Mobile Device Troubleshooting - Reset Process
- The soft reset frequently solves many mobile device issues, such as slow performance, frozen applications, and non-functional features.
Mobile Device Troubleshooting - Touchscreen Issues
- Inaccurate touchscreen responses are not always necessarily related to a touchscreen failure; different considerations like software or hardware can frequently also be reasons to consider before immediately replacing a part or device.
Mobile Device Troubleshooting - Operating System Freezing
- Frozen mobile operating systems are frequently due to excessive processor use, inadequate cooling or ventilation, insufficient storage, low battery, improper login security or attempts or too many apps running simultaneously.
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Test your knowledge of computer hardware interfaces and standards with this quiz. Questions cover aspects like installation techniques, cable types, and the benefits of solid state drives. Perfect for students and professionals looking to refresh their understanding of technology!