A+ Core 1 Practice Exam #4 (220-1101)
What type of wiring standard is used with POTS?(Plain Old Telephone System) )F type )ST )RJ-45 )RJ-11
RJ-11
A client is attempting to power on their computer, but it keeps booting to the incorrect hard drive. Which of the following actions should you perform to attempt to fix this problem? )Reconfigure the boot order within Windows )Unplug any external hard disks )Reconfigure the boot order within the BIOS/UEFI )Press F8 repeatedly during the boot process to enter the boot menu
Reconfigure the boot order within the BIOS/UEFI
Which of the following network devices is used to put each connected network host to its own collision domain? )Access point )Repeater )Unmanaged switch )Hub
Unmanaged switch
What does VDI stand for? )Virtual Desktop Integration )Virtual Desktop Infrastructure )Virtual Desktop Instances )Virtualized Data Infrastructure
Virtual Desktop Infrastructure
Which of the following network performance metrics is used to represent the round-trip time it takes for a packet to be sent by a device to a server and then a response received from that destination server? )Latency )Jitter )Throughput )Bandwidth
Latency
Your friend just noticed their smartphone's battery is running low. Unfortunately, your friend isn't very knowledgeable about computers and smartphones, so they don't know what type of charging cable they need. They know their phone is running iOS 15. What kind of cable does your friend need to charge their phone? )USB-C )Micro USB )Lightning )Mini USB
Lightning
Which motherboard form factor measures 6.7" x 6.7" (17 cm x 17cm) in size? )mATX )ITX )ATX )mITX
mITX
Dion Training is upgrading its wired network from an older CAT5e network to a CAT 7 network. The network technician has run out of patch cables and asks you to create a straight-through patch cable. Which of the following tools is used to connect an RJ-45 connector to a patch cable? )Crimper )Cable stripper )Cable tester )Punchdown tool
Crimper
A technician receives a report that a VoIP phone is experiencing a "no network connectivity" error. The technician notices the Cat6a patch cable running from the back of the phone is routed behind the user's rolling chair. The cable appears to have been rolled over numerous times by the user, and it looks flattened from the abuse. Which of the following is the most likely cause of the connectivity issues being experienced on the VoIP phone? )Cross-talk )Excessive collisions )Transmit and receive reversed )Improperly crimped cable
Cross-talk
You are troubleshooting an issue with an impact printer in an automotive service department. The printer has begun to print unevenly. As the print head goes from left to right across the page, the printout goes from darker to lighter. What is the MOST likely cause of this issue? )Clogged print head )Defective ribbon advance mechanism )Broken feed assembly )Worn out printer ribbon
Defective ribbon advance mechanism
Which of the following types of display connectors uses a thunderbolt cable and was designed as a competitor to HDMI? )DVI )eSATA )VGA )DisplayPort
DisplayPort
You just printed a new sign for your office using thick cardstock paper with your network printer. Unfortunately, when you pick up the cardstock from the laser printer's output tray, the printed image smears across the paper. Attempting to troubleshoot this problem, you decide to print another sign using regular printer paper and determine that the image does not smear when touched on the regular printer paper. Which of the following would be the NEXT step to perform in your troubleshooting efforts? )Increase the temperature of the fuser element )Clean the printer's transfer roller )Change the feed rate of the paper )Replace the toner cartridge in the printer
Increase the temperature of the fuser element
Linda wants to reduce the number of monitors, keyboards, and mice required to control the multiple servers she manages in the data center. Which of the following devices should she install to allow a single keyboard or mouse to control multiple systems? )PS/2 splitter )Video mirroring device )KVM )USB splitter
KVM
Which of the following cables is NOT used by Android smartphones and tablets? )Mini USB )USB-C )Micro USB )Lightning
Lightning
Which of the following types of network switches allows an administrator to configure advanced networking and security features? )Managed switch )Hub )PoE switch )Unmanaged switch
Managed switch
Dion Training has decided to use a PaaS solution to host their training courses. The service charges are based on the number of students enrolled in the courses each month. Which type of cloud computing concept is being demonstrated by this pricing strategy? )Metered service )Synchronization apps )Rapid elasticity )Resource pooling
Metered service
A client has asked you to build a computer to use as part of their home theater (HTPC) system. The HTPC will be used primarily to stream videos in their living room and must have a small form factor to fit into their entertainment center next to their surround sound system. Which of the following motherboards would be the BEST choice for an HTPC system? )ITX )Micro-ATX )Mini-ITX )ATX
Mini-ITX
You want to buy a new computer that will allow you to run at least 3 virtual machines (VMs) at the same time to practice for your CompTIA exams. You also know in the future that you would like to set up a virtual ethical hacking lab with numerous VMs to study for the CompTIA PenTest+ exam. Which TWO of the following components is the MOST important to upgrade if you want to simultaneously run numerous VMs? )GPU )HDD )RAM )CPU )NIC )SDD
RAM and CPU
Jay is complaining that the speed at which the cursor moves across his laptop's screen when using his trackpad makes it difficult to properly control. Which setting could he use to slow down the cursor in Windows 10? )Settings > Devices > Mouse > Touchpad sensitivity )Settings > Devices > Mouse > Speed )Settings > Devices > Touchpad > Touchpad sensitivity )Settings > Devices > Touchpad > Speed
Settings > Devices > Touchpad > Speed
A customer tried to install a PCIe x8 expansion card into a PCIe x16 slot on the motherboard. While the expansion card fits into the slot without any issues, it does not perform as the customer expected. How fast will a PCIe x8 expansion card run if installed in a PCIe x16 slot? )The card will run at x16 speed )The card will run at x8 speed )The card will run at x1 speed )The card will run at x4 speed
The card will run at x1 speed
Jason's cellphone company advertises that they offer unlimited data. The internet at Jason's studio was not working today, so he turned on his mobile hotspot to upload the videos recorded today. Initially, the data transfer was occurring without any issues and Jason observed that his data was uploading at 25 Mbps. After 20-30 minutes, though, the speed of the connection dropped to only 0.125 Mbps. Which of the following is the MOST likely cause for this drop in speed during the upload process? )The smartphone is undergoing a DDoS attack )The smartphone's 802.11 radio is broken )The smartphone reached the data cap for the month )The smartphone's battery has been depleted
The smartphone reached the data cap for the month
You are trying to install Hyper-V on a new laptop, but you keep receiving an error during installation that the software cannot be installed. Which of the following characteristics of the laptop's processor should you investigate as the MOST likely issue? )Virtualization (VT) support )Cache size )Hyper-threading (HT) technology )Number of core available
Virtualization (VT) support
Which of the following types of networks would be created if a wireless access point, a microwave link, and a satellite link were combined in a mesh? )WAN )WMN )LAN )PAN
WMN
Dion Training has just installed a new hub/control system to control the lights, HVAC, and power to the devices in their studio. The new hub/control system relies on Zigbee for wireless communication and networking between the different devices. Which of the following types of networked hosts best describes what was installed? )Supervisory Control and Data Acquisition )Syslog )Internet of Things )DHCP server
Internet of Things
What type of connector is most commonly used to terminate a copper twisted-pair Ethernet cable? )ST )RJ-45 )F type )DB-9
RJ-45
Using the image above, which of the following correctly indicates the port labeled as B? )PS/2 )SPDIF )USB )FireWire
USB
Which of the following cables is MOST widely used by modern Android smartphones and tablets? )Lightning )USB-C )Micro USB )Mini USB
USB-C
While working as a technician, you are trying to help a customer whose PC cannot boot up. When the computer is turned on, an error stating "bootable device not found" appears on the screen. What should you attempt first? )Verify that either the Molex or SATA cable is connected to the HDD )Press F12 to check the boot order and select the proper HDD to boot from )Check Disk Management to see if the system drive is recognized )Boot into Recovery Mode and run the Bootrec /fixmbr command to fix the MBR that's preventing the PC from booting
Verify that either the Molex or SATA cable is connected to the HDD
Which of the following is used to connect Cat 5e or above networks in an MDF or IDF? )RJ-11 )F type )66 punchdown block )110 punchdown block
110 punchdown block
Dion Training just installed a new webserver within a screened subnet. 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? )21 )143 )443 )80
443
Which of the following ports should you unblock at the firewall if your workstation cannot access diontraining.com but can access the website by its IP address? )443 )53 )67 )80
53
Which of the following wireless standards should you implement if the existing wireless network only allows for three non-overlapping channels, and you need additional non-overlapping channels to prevent interference with neighboring businesses in your office building? )802.11g )802.11b )802.1q )802.11ac
802.11ac
Which type of wireless network utilizes the 2.4 GHz frequency band and reaches speeds of up to 54 Mbps? )802.11g )802.11ac )802.11n )802.11ax )802.11b )802.11a
802.11g
You are working for a logistics company that needs to get a device that will automatically enter information about a package when it is read using light and a lens. Which of the following devices should you install to BEST support this requirement? )Barcode reader )Webcam )Digitizer )Touch screen
Barcode reader
An employee's laptop has become warm to the touch and does not sit evenly on the table during use. You turn the laptop over and see the case bulging into a slightly rounded shape. What is the MOST likely cause of this issue? )Keyboard is defective )RAM is defective )Battery is defective )Wireless card is defective
Battery is defective
An employee at Dion Training complains that every time airplane mode is enabled on their laptop, their external mouse and headphones stop working. Which of the following technologies is being disabled by airplane mode and likely causing the issues experienced by this user? )Wireless )Cellular )Bluetooth )GPS
Bluetooth
Which of the following technologies is often used indoors by companies to locate a shopper's position in a store and provide them time-sensitive offers or discounts? )Wi-Fi )Cellular )GPS )Bluetooth
Bluetooth
You are troubleshooting a laptop's display for a customer. The customer states that parts of the picture remain on the screen even after a full shutdown or reboot. You update the device drivers and recalibrate the display, but the problem remains with the laptop's display. Which of the following is MOST likely the problem with the display? )Distorted geometry )Incorrect device drivers )Burn in )Dead pixels
Burn in
Using the image of the motherboard above, which of the following correctly indicates the circled area? )NVMe connector )Mainboard power )CPU power )Fan power
CPU power
You are troubleshooting an older wireless network that is running Wireless G (802.11g). This network appears to have a lot of collisions and interference. You look up the configuration on two of the three access points in the areas and see they are using Channel 1 and Channel 11. To prevent interference and ensure non-overlapping of the channels, what channel should the third access point utilize? )Channel 5 )Channel 6 )Channel 8 )Channel 7
Channel 6
What type of cable should be used to connect a laptop directly to another laptop to form an Ethernet network? )Serial cable )Crossover cable )Patch cable )Straight-through cable
Crossover cable
What type of cable is most commonly used to terminate a serial connection to a modem? )RJ-11 )LC )DB-9 )RJ-45
DB-9
You have connected your laptop to the network using a CAT 5e cable but received an IP address of 169.254.13.52 and cannot connect to www.DionTraining.com. What is most likely the cause of this issue? )Duplicate IP address )DHCP failure )Poisoned ARP cache )Failed DNS resolution
DHCP failure
Which of the following devices should you purchase for a child if you want them to be able to read books and magazines, but you do not want them to be able to surf the web or play games? )E-reader )Laptop )Smartphone )Tablet
E-reader
Your company has two office buildings which are connected via a copper network cable that is buried underground. There is some construction being performed near the buildings. Now, the second building discovers they have suffered a network outage that doesn't appear to be temporary. What is the MOST likely cause of the outage? )Cross-talk on the cable )Signal attenuation on the cable )An open circuit has been created )Electromagnetic interference on the cable
Electromagnetic interference on the cable
Using the image above, which of the following correctly indicates the port labeled as H? )DVI )SATA )USB 3.0 )FireWire
FireWire
Which of the following types of hard drives would be used in a gaming laptop to increase the system's boot-up performance while providing a large amount of storage at a lower overall cost? )Optical drive )Magnetic drive )SSD )Hybrid drive
Hybrid drive
What is the first step of the CompTIA troubleshooting methodology? Identify the problem )Identify the problem )Test the theory to determine the cause )Establish a plan of action to resolve the problem and implement the solution )Establish a theory of probable cause (question the obvious)
Identify the problem
A technician at Dion Training is troubleshooting an issue with a workstation. The technician believes that the CMOS battery needs to be replaced based on the symptoms they observed. Which of the following symptoms did the technician likely observe to lead them to this conclusion? )Incorrect date/time on the workstation )Distended capacitors )Burning smell )Continuous reboot
Incorrect date/time on the workstation
Which of the following settings must be enabled on a mobile device to embed the GPS position into a photograph when using your device's camera? )Location services )MDM )Security profile )FDE
Location services
Which of the following technologies could be used in an unlicensed long-range fixed wireless system? )Cellular )NFC )Microwave )Bluetooth
Microwave
A cybersecurity analyst wants to install a network appliance to conduct packet capturing of the network traffic between the router and the firewall on the network. The device should not be installed in line with the network, so it must receive a copy of all traffic flowing to or from the firewall. Which of the following tools is required to meet these requirements? )Loopback plug )Wi-Fi analyzer )Network tap )Toner probe
Network tap
Which of the following types of networking hardware is used to deliver broadband internet access using a fiber connection to the user's home or office? )Digital subscriber line )Software-defined networking )Optical network terminal )Cable modem
Optical network terminal
Using the image of the motherboard above, which of the following correctly indicates the circled area? )Front connector )Audio connector )SATA connector )PATA connector
PATA connector
Using the image above, which of the following correctly indicates the port labeled as A? )USB )PS/2 )SPDIF )FireWire
PS/2
Which of the following cloud services should an organization choose to develop a new iPhone app without having to configure and set up its own development environment? )SaaS )PaaS )DaaS )IaaS
PaaS
What is the lowest layer (bottom layer) of a bare-metal virtualization environment? )Hypervisor )Physical hardware )Guest operating system )Host operating system
Physical hardware
Which of the following requires the use of a physical printer to print a document? )Print to Image )Print to XPS )Print to Network )Print to PDF
Print to Network
Samantha works in the human resource department in an open floorplan office. She is concerned about the possibility of someone conducting shoulder surfing to read sensitive information from employee files while accessing them on her computer. Which of the following physical security measures should she implement to protect against this threat? )Biometric lock )Hardware token )Badge reader )Privacy screen
Privacy screen
Your company has decided to move all of its data into the cloud. Your company is concerned about the privacy of its data due to some recent data breaches that have been in the news. Therefore, they have decided to purchase cloud storage resources that will be dedicated solely for their use. Which of the following types of clouds is your company using? )Community )Hybrid )Private )Public
Private
A student wants to use their workstation to run several virtual machines. The workstation currently has an i7 quad-core processor, 4 GB of DDR3 memory, a 512 GB SSD, and a gigabit network interface card. Which of the following components should the student upgrade to support multiple virtual machines running simultaneously on the Windows workstation? )SSD )CPU )NIC )RAM
RAM
Dion Training's file server is using a RAID 5 with four disk drives as its data store. One of the drives in the array has just failed. The RAID 5 is still operating and no data loss has been experienced, but the array is no longer providing any resiliency or redundancy. Which of the following actions should you take to restore this drive to normal operations? )Replace failed disk and rebuild the array )Remove the failed disk and perform a system restore )Remove the failed disk and rebuild the array )Replace the failed disk and perform a system restore
Replace failed disk and rebuild the array
Susan has a 3-year-old iPad. The iPad used to get 8 hours or more of usage before running out of battery, but now it only lasts 30-60 minutes between charges. Which of the following actions should be taken to repair this device? )Turn on airplane mode to reduce battery consumption )Replace the charging port )Install the latest version of iOS )Replace the battery
Replace the battery
A client states that their computer is experiencing slow performance when reading or writing to the hard drive. You have already verified that it is not a system (software) performance issue, and the system is not overheating. Which of the following would be the BEST action to take in attempting to fix this problem? )Backup the hard drive )Run the disk repair tool )Clean the cooling fans of the system )Upgrade the memory of the system
Run the disk repair tool
Dion Training wants to install a new accounting system and is considering moving to a cloud-based solution to reduce cost, reduce the information technology overhead costs, improve reliability, and improve availability. Your Chief Information Officer is supportive of this move since it will be more fiscally responsible. Still, the Chief Risk Officer is concerned with housing all of the company's confidential financial data in a cloud provider's network that might be shared with other companies. Since the Chief Information Officer is determined to move to the cloud, what type of cloud-based solution would you recommend to account for the Chief Risk Officer's concerns? )PaaS in a community cloud )PaaS in a hybrid cloud )SaaS in a private cloud )SaaS in a public cloud
SaaS in a private cloud
An administrator arrives at work and is told that network users are unable to access the shared drive on a Windows server. The administrator logs into the server and sees that some Windows Updates were automatically installed last night successfully, but now the network connection shows "limited" with no availability. What rollback action should the technician perform? )Web browser )Server's IP address )Antivirus updates )Server's NIC drivers
Server's NIC drivers
Which of the following wiring standards should be used when installing ethernet cabling in an office or data center? )T-568B )RS-232 )RG-6 )RJ-11
T-568B
A computer technician is trying to set up a shared printer on the corporate network. The users must send print jobs directly to the printer, and the printer will be used by multiple operating systems, including Windows, macOS, and Linux. Which of the following should the technician configure to meet these requirements best? )Bonjour )TCP/IP print server )AirPrint )Virtual printer
TCP/IP print server
Which of the following statements about the 5.0 GHz wireless frequency used by Wi-Fi is correct? )The 5.0 GHz frequency has a shorter wavelength that allows the signal to travel further than 2.4 GHz using the same power levels )The 5.0 GHz frequency is more effective at penetrating solid surfaces than 2.4 GHz )The 5.0 GHz frequency has more channels available than 2.4 GHz )The 5.0 GHz frequency supports lower data rates than 2.4 GHz
The 5.0 GHz frequency has more channels available than 2.4 GHz
Dion Training's graphic designer is having an issue printing full-page color images using an older color laser printer on the network. The graphic designer can print smaller images such as full-page vector graphic logos, but if they attempt to print a full-page bitmap photo the printer will print only 60% to 70% of the page and then fail. The vector images are less than 100 MB in size, but the larger bitmap photos can be 400 MB to 800 MB in size. Which of the following is the MOST likely reason for the print failure of the photos? )The printer is running out of memory )The graphic designer is not printing using PCL )The printer is low on black toner )The connection to the print server is timing out
The printer is running out of memory
What is a tool that would allow you to easily identify a network cable that was not labeled in the wiring closet during its installation? )Tone generator and probe )Punchdown tool )Cable tester )Multimeter
Tone generator and probe
Susan, an executive at Dion Training, will be traveling to Italy for a conference next week. She is worried about remaining connected to the internet while overseas and plans to use the WiFi in her hotel room and the local coffee shop with her laptop. Which of the following should she purchase and configure before leaving for Italy to ensure her communications remain secure regardless of where she is connecting from? )International data roaming plan on her cellphone )Local SIM card for her smartphone )VPN )Local mobile hotspot
VPN
Which of the following types of memory relies on temporary storage space on the hard drive that is used when there is insufficient physical memory available to perform a given task? )VRAM )Virtual memory )ECC )SODIMM
Virtual memory
Which of the following technologies uses 2.4 GHz or 5 GHz frequencies to determine your location indoors based on the signal strength received or the angle of arrival of that signal to the mobile device? )GPS )Cellular )Bluetooth )Wi-Fi
Wi-Fi
Which of the following services does Apple use for syncing their data across multiple macOS and iOS devices? )iCloud )Google Drive )OneDrive )DropBox
iCloud
Rick, a computer technician, was contacted by a customer who wants to reduce his office computer's footprint to save space. Which of the following cases is the smallest form factor? )ATX )mITX )mATX )ITX
mITX
You are working as a customer service technician at a smartphone repair center. A customer calls your help desk and states that the device feels warm to the touch even when not used. You ask them to conduct a visual inspection of the smartphone and describe what they are seeing. The customer says, "The battery appears to be swollen' and bulging outward beyond its normally rectangular shape." Which of the following is the BEST statement for you to provide to the customer? )"Since the device is still working, you can continue to use your phone until the new model is released in 2 months." )"Please conduct a factory reset of your phone since this will eliminate the overheating issue." )"Please do not use the smartphone and bring it to our service center immediately so that we can replace the battery for you." )"Please place 5 heavy books on top of your smartphone since the weight will help reform the battery into its proper and normal rectangular shape."
"Please do not use the smartphone and bring it to our service center immediately so that we can replace the battery for you."
Your office is located in a small office park, and you are installing a new wireless network access point for your employees. The companies in the adjacent offices are using Wireless B/G/N routers in the 2.4 GHz spectrum. Your security system uses the 5 GHz spectrum, so you have purchased a 2.4 GHz wireless access point to ensure you don't cause interference with the security system. To maximize the distance between channels, which set of channels should you configure for use on your access points? )1, 7, 13 )2, 6, 10 )1, 6, 11 )3, 6, 9
1, 6, 11
You have just set up an FTP server to allow users to download the new open-source application your company is releasing. Which port should be opened to allow users to connect to this server? )25 )23 )21 )22
21
A client's PC was not able to be powered on. You are troubleshooting the issue by ensuring that the power cable is connected firmly to both the PC and the wall outlet. You took the PC to your workbench to diagnose it. You tried powering on the PC at the workbench, but it did not work. You decided to test the power supply unit and ensure it was selected for 110 volts. You connected it to a power supply tester and verified the power supply is working properly. What is the NEXT step in troubleshooting you should perform? )Replace the power supply )Pull the CMOS battery out and wait 5 min and try again )Check the power connection to the motherboard )Replace the memory
Check the power connection to the motherboard
Susan sees streaks of toner across her papers when printing documents using the laser printer in her office. What is the MOST likely solution for this problem? )Change the feed rate of the paper )Clean the printer's transfer roller )Increase the temperature of the fuser element )Replace the toner cartridge in the printer
Clean the printer's transfer roller
You have just finished installing a virtual machine on a workstation. Your boss asks you to install a second virtual machine with the same settings. To save time, which of the following functions should you use? )Shadow Copy )Cloning )Secure Copy )Migration
Cloning
A penetration tester wants to build a workstation that will be used to brute force hash digests. Which of the following is the BEST option to ensure sufficient power and speed to crack them? )Integrated GPU )Multi-core CPU )7200-RPM HDD )Dedicated GPU
Dedicated GPU
A network technician needs to connect two switches. The technician needs a link between them that is capable of handling 10 Gbps of throughput. Which of the following media would BEST meet this requirement? )Fiber optic cable )Cat 5e cable )Cat 3 cable )Coax cable
Fiber optic cable
Using the image of the motherboard above, which of the following correctly indicates the circled area? )PCIe x16 )PCIe x4 )PCIe x1 )PCIe x8
PCIe x8
The video editor at Dion Training has submitted a trouble ticket stating her editing workstation makes a loud clicking noise whenever she is editing videos for an upcoming course. You initially thought the system fans were causing the noise. You have replaced the fans, but the noise continues to be heard when applications are loaded or the videos are being edited. Which of the following actions should you perform NEXT? )Perform a full backup of the hard disk )Replace the hard disk )Scan the system for viruses )Perform a System restore
Perform a full backup of the hard disk
Your boss asked you to generate a simple square code that can be easily scanned by a smartphone to access a preconfigured website address or link. Which of the following technologies would BEST meet this requirement? )Smart card )Barcode )QR code )NFC chip
QR code
Jason's cellphone company allows him to use his smartphone as a wireless hotspot with his laptop when traveling. Jason notices that if he runs a speed test from his smartphone, the cellular connection is 8761 kbps. If he runs the same speed test connection from his laptop connected to his cellphone over its wireless hotspot, the speed drops to 243 kbps. Which of the following is the MOST likely cause for the drop in the speed test results? )The wireless hotspot feature is throttling the cellular connection speed )The laptop is out of range of the smartphone's hotspot )The SSID for the wireless hotspot is not being broadcast )The smartphone's RFID signal is low
The wireless hotspot feature is throttling the cellular connection speed
A customer is complaining that they cannot connect to the local network share drive. You run the command 'ipconfig /all' from their workstation, and it returns an IP of 169.254.34.12. Which of the following is the problem with this workstation? )The workstation couldn't reach the DHCP server )The workstation couldn't reach the proxy server )The workstation couldn't reach the gateway )The workstation couldn't reach the DNS server
The workstation couldn't reach the DHCP server
Dion Training recently hired a new graphic designer. You have been asked to install a new, high-end PCIe x16 graphics card into one of the standard corporate workstations so the new designer can get to work. After installing the card, you attempt to power on the computer. The computer makes some odd noises when you press the power button, but the monitor displays the words, 'no source.' What is MOST likely the issue? )The processor in the workstation isn't powerful enough to support the card )The graphics card installed in the workstation was defective )The workstation's power supply isn't powerful enough to support the card )The workstation is overheating due to the graphics card
The workstation's power supply isn't powerful enough to support the card