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WorksheetsA+Core 1 (1-100)#1
Total questions: 100
Worksheet time: 50mins
Which of the following are components you might find inside a PC? (select the three best answers.)
RAM
Motherboard
CPU
Keyboard
Cable modem
Which device retains data over the long term?
RAM
Storage drive
CPU
Video card
To which type of technology would you install a x16 card?
DisplayPort
PCIe
Thunderbolt
USB
Which computer process checks all your components during boot?
CMOS
POST
Lithium battery
BIOS
You are planning to use an older PC for trade shows in several different countries. The PC only needs to work as a basic kiosk with an Internet browser. Which of the following is the most important factor for you to consider?
Maximum wattage
Number of SATA connections
TDP
Input voltage
Number of network connections
Which of the following could cause the POST to fail? (select the two best answers.)
Power supply
Storage drive
CPU
Memory
Which of the following might you find as part of a tablet computer? (select the two best answers.)
24-inch display
Flash memory
SATA storage drive
Multi-touch touchscreen
Which of the following cloud concepts can allow for scalable services to clients?
Shared resources
Rapid elasticity
SaaS
Metered utilization
High availability
How should you hold RAM when installing it?
By the front and back
With a punchdown tool
With tweezers
By the edges
You have been tasked with setting up a specialized computer for video editing. Which of the following should you include with the computer? (select the two best answers.)
SSD
NAS
Gigabit NIC
Hypervisor
Dual monitors
How many pins are inside an SATA 3.0 data connector?
15
127
7
24
What is the term for the delay in the RAM's response to a request from the memory controller?
Fetch interval
Lag
Standard deviation
Latency
What is the minimum number of storage drives necessary to implement RAID 5?
Two
Three
Five
Four
A user's times and date keep resetting to January 1, 2015. Which of the following is the most likely cause?
Windows needs to be updated.
The Windows Date and Time Properties window needs to be modified.
The lithium battery needs to be replaced.
The BIOS/UEFI needs to be updated.
Which type of adapter card is normally plugged into a PCIe x16 adapter card slot?
Video
NIC
Modem
Sound
Which of the following is a common type of CPU for a smartphone?
SODIMM
Core i9
LGA 1700
SoC
Which of the following components could cause the POST to beep several times and fail during boot?
LPDDR
RAM
Power supply
Storage drive
Sound card
Which of the following are ports you might find on smartphones and tablets? (Select the two best answers.)
DVI
Lightning
eSATA
USB-C
Which of the following has the fastest data throughput?
Solid-state drive
USB
Optical drive
RAM
Hard disk drive
Which of the following CPU cooling methods is the most common?
Heat sink
Liquid nitrogen
Heat sink and fan
Liquid cooling
You are tasked with fixing a problem with a video editing workstation. An unexpected clicking noise occurs every time the video editing program is started. The case fans have been replaced, but the noise remains. Diagnostics have also been run on the video card, and it appears to be operating normally. What action should you take first?
Scan for malware
Replace the video card.
Replace the hard disk drive.
Perform a full data backup
Perform a System Restore.
You are in the process of upgrading a lab's systems from wireless-equipped laptops to thin clients. To support the VDI that you plan to implement, each client needs a 1 Gbps connection. Previously, the laptops connected to the organization's 802.11n wireless network. Which of the following is needed for the thin clients to communicate with each other?
UPS
External storage drives
Network cables
KVM
Which of the following cable types should you use to connect a cable modem to a SOHO router?
USB
Ethernet
RG-6
SATA
HDMI
With which of the following technologies can you have two mobile devices transfer data simply by touching them together?
USB
Bluetooth
NFC
WI-Fi
What type of power connector is used for a x16 video card?
P1 24-pin
PCIe 8-pin
SATA 15-pin
Molex 4-pin
Which of the following are output devices? (Select the three best answers.)
Speakers
Keyboard
Touchpad
Printer
Display
What does the b in 1000 Mbps stand for?
bits
megabytes
bytes
bandwidth
When running cable through drop ceilings, which type of cable do you need?
Category 5e
Direct burial
PVC
Plenum
Which device connects multiple computers in a LAN?
Firewall
Switch
Router
Modem
Which of the following is the default subnet mask for IP address 192.168.1.1?
255.255.255.0
255.255.255.255
255.0.0.0
255.255.0.0
Which of the following is the minimum cable category needed for a 1000BASE-T network?
802.11ax
Category 5e
Category 5
Category 6
Which of the following IP addresses can be routed across the internet?
127.0.0.1
10.52.50.13
192.168.1.1
129.52.50.13
Which port number is used by an HTTPS web server by default?
443
21
80
25
Which of the following cable types have a copper medium? (Select the three best answers.)
Twisted pair
Multimode
Coaxial
Fiber optic
Cat 6a
Which of the following cable types can protect against electromagnetic interference (EMI)? (Select the two best answers.)
Cat 6
UTP
Fiber optic
STP
You are configuring Bob's computer to access the internet. Which of the following are required? (Select all that apply.)
DNS server address
Domain name
Email server name
DHCP server address
Gateway address
Which of the following translates a computer name into an IP address?
TCP
UDP
FTP
DNS
A customer wants to access the internet from many different locations in the United States. Which of the following is the best technology to enable the customer to do so?
Infrared
Cellular WAN
802.11ac
Bluetooth
You just configured the IP address 192.168.0.105 in Windows. When you press the Tab key, Windows automatically configures the default subnet mask 255.255.255.0. Which of the following IP addresses is a suitable gateway address?
192.168.1.1
192.168.10.1
192.168.1.100
192.168.0.1
Which of the following is the name for a wireless network?
DHCP
WPA
SSID
Screened subnet
You configure a mobile device to connect to a Wi-Fi network on channel 165. Which of the following frequencies is the wireless connection using?
5 GHz
13.56 MHz
2.4 GHz
40 MHz
Which of the following connector types is used by fiber-optic cabling?
LC
RJ45
RJ11
RG-6
Which protocol uses port 53?
HTTPS
DNS
FTP
SMTP
Which of the following Internet services are wireless? (Select the two best answers.)
Fiber optic
Satellite
Cable internet
Cellular
DSL
Which of the following terms best describes two or more LANs connected over a large geographic distance?
PAN
WAN
SAN
MAN
WLAN
Which device connects to the network and has the sole purpose of providing data to clients?
NAC
NAT
NAS
IaaS
You are making your own networking patch cable. You need to attach an RJ45 plug to the end of twisted-pair cable. Which tool should you use?
Multimeter
Crimper
Tone and probe kit
Cable tester
Which port is used by RDP?
443
80
3389
110
Which of the following provide for a data plane and a control plane?
ONT
NIC
SDN
MAM
Which of the following printer failures can be described as a condition in which the internal feed mechanism stopped working temporarily?
No connectivity
Corrupt driver
Paper jam
Power cycle
A customer can barely hear sounds from a laptop's speakers. What should you do first?
Install a new sound driver.
Tap the speakers.
Reinstall Windows.
Search for a volume key.
After you replace a motherboard in a PC, the system overheats and fails to boot. Which of the following is the most likely cause?
The GPU is not compatible with the CPU.
The new motherboard's firmware is out of date.
The case fan failed.
Thermal paste was not applied between the heat sink and the CPU.
You use your laptop often. Which of the following is a simple, free way to keep your laptop running cool?
Put the laptop in the freezer when not in use.
Direct a fan at the laptop.
Keep the laptop on a flat surface.
Keep the laptop turned off whenever possible.
Which of the following are important factors when purchasing a replacement laptop AC adapter? (Select the two best answers.)
Current and voltage
Connector size and shape
Battery type
Inverter type
Eric uses an external monitor with his laptop. He tells you that his laptop will boot, but the system won't display anything on the external screen. Which of the following solutions enables the display?
Press the Enter and Esc keys while the laptop is booting.
Connect the laptop to another external monitor.
Press the Fn key while the laptop is booting.
Press the Fn and screen keys one or more times until an image appears on the screen.
Which type of printer uses a toner cartridge?
Thermal
Inkjet
3D printer
Impact
Laser
Which of the following should not be connected to UPS?
Speakers
Monitors
Laser printers
PCs
Terri finishes installing a printer for a customer. What should she do next?
Print a test page.
Restart the spooler.
Set up a separator page.
Verify that the printer prints by using Microsoft Word.
Which of the following best describes printing in duplex?
1200 DPI
Printing to file
Printing on both sides of the paper
Full-duplex printer communication
Printer collation
Special paper is needed to print on which type of printer?
Laser
Thermal
Inkjet
Impact
3D
Which of the following channels should you select for an 802.11 wireless network?
6
802
8080
21
Which environmental issue affects a thermal printer the most?
Moisture
Dirt
Heat
ESD
Which of the following occurs last in the laser printing process?
Exposing
Fusing
Developing
Charging
Cleaning
Which type of printer uses impact to transfer ink from a ribbon to the paper?
Laser
Thermal
Inkjet
Impact
Which of the following steps enables you to take control of a network printer from a remote computer?
Installing the printer locally and accessing the Sharing tab
Installing the printer locally and accessing the Ports tab
Connecting to the printer via FTP
Installing the printer locally and accessing the spool settings
A colour laser printer produces images that are tinted blue. Which of the following steps should be performed to address this problem?
Clean the toner cartridge
Clean the primary corona
Change the fusing assembly
Calibrate the printer
A laptop cannot access the wireless network. Which of the following statement best describe the most likely causes of this? (Select the two best answers.)
The function key for wireless was pressed by accident.
The computer is obtaining an IP address automatically.
The wireless network was forgotten in Windows.
The user installed a new web browser.
A desktop computer does not have a lit link light on the back of the computer. Which of the following is the most likely reason for this?
The system did not POST correctly.
Wi-Fi was disabled.
The network cable is disconnected.
USB is malfunctioning.
Which of the following IP addresses does a technician see if a computer running Windows is connected to a multifunction network device and is attempting to obtain an IP address automatically but is not receiving an IP address from the DHCP server?
169.254.10.10
192.168.10.10
172.16.10.10
192.168.0.10
For which type of PC component are 80 mm and 120 mm common sizes?
Case fans
Memory modules
CPUs
Heat sinks
An exclamation point next to a device in Device Manager indicates which of the following?
A driver is not properly installed for this device.
The driver is not digitally signed.
The device driver needs to be upgraded.
The device is disabled.
Beep codes are generated by which of the following?
POST
Windows
RTC
CMOS
Which of the following indicates that a printer is network ready?
An RJ45 jack
A USB connector
An RJ11 jack
An SCSI connector
You just turned off a printer to perform maintenance on it. Which of the following should you be careful of when removing the fuser?
The fuser being fragile
The fuser releasing toner
The fuser being hot
The fuser being wet
Which of the following connectors can allow for video, audio, and data?
DisplayPort
USB-C
HDMI
DVI
You are attempting to make a connection to the Internet with a laptop, but there is no Wi-Fi availability. Your smartphone currently has access to the Internet. Which of the following will allow the laptop to connect to the Internet?
PRL
PoE injector
GPS
Hotspot
One of your customers purchased a device that can perform firewall duties, routing tasks, packet inspection, and antivirus scanning. Which of the following devices was purchased?
IDS appliance
Proxy server
UTM appliance
DHCP server
Which of the following is most important piece of information needed to connect to a specific wireless network?
Administrator password
MAC address
SSID
Channel
You are considering a cloud-based service for file storage and synchronization. Which of the following resources is the most critical to your design?
RAM utilization
I/O bandwidth
CPU utilization
Disk speed
Which of the following statements describes why the display to a laptop gets dimmer when the power supply from the AC outlet is disconnected?
To operate properly, laptop displays require an alternating current for power source.
Security settings on the laptop are configured to dim the display.
The laptop cannot use full brightness when on battery power.
Power management settings on the laptop are configured for power saving.
A technician is working on the management plane of a router. Which of the following would be most associated with this activity?
ACL blocking
Static routing table
SSH access
High throughput
OSPF update
A network technician is installing a backup Internet connection at a remote site using existing telephone lines. Which of the following would describe this installation?
Fiber optics
Satellite
DSL
Cable modem
Peer-to-peer
A network administrator has identified a large amount of traffic using tcp/3389. Which of the following would be commonly associated with this traffic type?
Remote device access
Automatic IP address assignment
Server authentication
Print job submission
Receiving email messages
Which of the following would be the best choice for synchronizing contact data between an iPhone and macOS?
Bluetooth
USB flash drive
Microsoft 365
USB cable
iCloud
Location services are no longer working on a mobile phone. Which of the following would be most affected by this issue?
GPS data
MDM policies
Bluetooth connectivity
Battery charge rate
Backup intervals
A user's mobile phone has received a PRL update. Which of the following would be most associated with this update?
Certificate details
Digital signature
Security patch
Tower information
App update
A user is able to view the battery status of wireless earbuds while charging. Which of the following provides these status updates?
802.11
USB-C
NFC
Bluetooth
DB-9
A technician is connecting a lightning cable to a desktop computer. Which of the following would be the most likely reason for this connection?
Color printing
External storage
Phone charging
Multiple monitors
Wireless networking
An IT purchasing department has been asked to buy a device with in plane switching. Which of the following would be associated with this request?
Internet bandwidth
Memory channels
Network connectivity
Color printing
LCD monitor
A technician has been asked to install a SO-DIMM. Which of the following would be associated with this request?
M.2 SSD
Laptop RAM
Liquid cooling
External storage
Network interface card
A network is experiencing high rates of jitter. Which of the following would be the most likely result of this issue?
Incomplete file transfers
Choppy VoIP calls
Wireless interference
High network utilization
Authentication failures
Many users have sent jobs to the network laser printer, but the printer is not operating and there are no messages on the printer. Which of the following is the most likely reason for this issue?
Incorrect paper size
Corrupted print queue
Toner low
Dirty optical drum
Paper jam
The display on a user's mobile phone is starting to separate from the case due to a swollen battery. Which of the following would be the best way to address this issue?
Restart the phone
Place the phone in a bag with silica gel
Charge the battery to full strength
Turn on airplane mode
Power down the phone
Which of the following would be the best way to resolve an issue with dead pixels?
Modify the video resolution
Replace the HDMI cable
Upgrade the power supply
Replace the storage drive
Replace the monitor
A system test is showing a result of approximately 200 IOPS. Which of the following would be the subject of this test?
Motherboard temperature
Main RAM
Video adapter
Bluetooth keyboard
Hard drive
A computer has stopped during POST. Which of the following is the most likely reason for this issue?
Incorrect SSID name
Incorrect video input
Multi-factor authentication
Unpatched Windows version
Disconnected storage drive
A server administrator has configured an option for VT in the system BIOS. Which of the following would be associated with this change?
Full disk encryption
Multiple display support
Hardware-based virtualization
Increased RAM throughput
Redundant network connection
A network administrator is consolidating all authentication messages to a central database. Which of the following would provide this functionality?
QoS
VPN
DHCP server
Web server
Syslog
Vertical streaks are appearing on the output of a laser printer. Which of the following is the MOST likely cause?
Roller
Drum
Transfer Belt
Ribbon
A user is trying to play a DVD on a projector. The user can hear the audio; however, the projector is showing an error message that states: HDMI Block due to Copy Protection. Which of the following is the MOST likely cause of the error?
The HDMI cannot carry the signal from the DVD to the projector
The user needs to enable copy-protected sources in the projector’s settings
The projector does not support the necessary HDCP protocol
The user needs to switch from HDMI to a cable standard such as DisplayPort
