Study Guide Exam 220-1101- Wiley Learning Flashcards
Dual-voltage power supplies allow switching from _______ to _______ (VDC or VAC). (Supply the numbers and select the voltage type.)
110-120 to 220-240VAC
What is the name of the software that allows for multiple VMs on a client computer?
Hypervisor
A small dark line across rows of printing on output from an impact printer indicates what?
A pin is stuck out in the printhead.
What is S.M.A.R.T. technology used for?
To detect potential hard drive errors
To be able to contact a DHCP server on a remote subnetwork, you need to install a _____ on the local subnetwork.
DHCP relay agent
LGA 1150 and LGA 1151 sockets are used by which company’s brand of processors?
Intel
Hypervisors manage VM network traffic and communicate to the physical NIC by using what?
Virtual switch
The wireless networking standard 802.11b operates at ____ (frequency) and supports _____ (speed).
2.4 GHz, 11 Mbps
During which EP imaging process step is a uniform negative charge (around −600VDC) applied to the surface of the photosensitive drum?
charging
To only allow access to certain computers on your wireless router, you can use ___ filtering.
MAC
What tool is used to connect wires to a 110-block?
Punchdown tool
If you believe you have a bad network cable, what tool can help you test it?
Cable tester
Class C IP addresses will have a first octet of between ____ and ___.
192, 223
HTTP uses port ____, and HTTPS uses port ____.
80, 443
What is the DNS TXT record that specifies how an email administrator wants flagged messages handled?
DMARC
A ____ or a ____ is usually the connectivity device at the center of a star network.
hub, switch
Which EP component takes wall voltage and converts it into current that the printer uses?
High voltage power supply (HVPS)
What is the device used to get Internet access from fiber-optic lines coming from the ISP?
optical network terminal (ONT)
What type of cable is used with a punchdown block?
Copper (specifically twisted pair)
A ____ server resolves hostnames to IP addresses.
DNS (Domain Name System)
Blank pages from a laser printer could be caused by which three things?
The toner cartridge, the transfer corona assembly, or the high-voltage power supply (HVPS)
What is it called when a CPU core can run multiple instruction streams at once?
Hyperthreading
USB4 provides data rates of up to ____.
40 Gbps
Which component in a laptop display allows for audio input?
Microphone
MFDs use SMB to do what?
Send a scan to a network folder
What is the process called when a 3D printer image is prepared for printing?
Slicing
During which step of the EP imaging process is toner transferred to the drum?
developing
Which component in a laptop display allows for video input?
Webcam
Dial-up networking is limited to ____ (speed).
56 Kbps
Where do you set paper size and orientation?
Printing preferences of the printer
What type of conventional CPU cooling method is relatively quiet and affords the greatest drops in temperature?
water or liquid cooling
A Bluetooth network is called a ____. Multiple connected Bluetooth networks is called a _____.
piconet, scatternet
What type of server examines user credentials and grants them access to network resources?
Authentication
The two most common laptop memory standards are ______ and ______.
SODIMM and MicroDIMM
____________ is the extensible replacement for the BIOS.
UEFI
If you try to turn a desktop computer on and there is no power, what is the most likely device to cause this?
Power supply
If you are sending jobs to the printer but they’re not printing, you should stop and restart the _______.
print spooler
DDR4 SODIMMs have ___ pins.
260
When a system boots up, it provides a beep code. Where can you check to see what it means?
The BIOS manufacturer’s website
If your inkjet printheads are dirty, what can you use to clean them?
An inkjet printer cleaning solution
The oldest type of twisted pair cabling that can support speeds of 1 Gbps is ___.
Cat 5e
Which service synchronizes mobile device email with a Microsoft Exchange server?
ActiveSync
What DVD technology allows storage on only one side of the disc yet has roughly twice the capacity of a standard DVD?
double layer (DL)
Which protocol is responsible for delivering error messages in TCP/IP?
ICMP (Internet Control Message Protocol)
What service allows network administrators to set system policies and remotely wipe mobile devices on a network?
Mobile device management (MDM)
mpact printer output is measured in terms of _____.
characters per second (CPS)
The IPv6 address ::1/128 is the _____ address.
loopback
To test the printer, you should print a ____ from the client computer.
test page
What hardware tool is used to put the ends on UTP cables?
Crimper
Which RAID level provides no fault tolerance?
RAID 0
Which devices in a computer are most likely to make unexpected loud noises, indicating a problem?
HDDs, fans, power supply
_______ allows you to turn off cellular and Wi-Fi connections at once on a mobile device.
Airplane mode
Vertical black lines on the output of a laser printer are caused by what?
A groove or scratch in the EP drum
Two SSD form factors are ___ and ____.
M.2 and mSATA
What does a PRL update do?
Updates the preferred roaming list, which tells the phone which cell towers to use when roaming
If a laptop user is complaining about their mouse cursor jumping on the screen, disabling the ____ might help.
touchpad
What do optical-disc drives use to read and write data to a disc?
a laser
To which power supply output voltage does “dual rail” apply?
12VDC
F type connectors are used for what type of cable?
coaxial
To communicate on a TCP/IP network, which two things do you need?
A unique IP address and a valid subnet mask
A subnet mask is used to divide an IP address into two parts. One part identifies the host (computer), the other part identifies the network to which it belongs.
The POP3 protocol is used to ___ mail and operates on port ___.
retrieve, 110
What is the configuration file on a DNS server called?
Zone file
Logical addresses in TCP/IP are handled by the _____ (protocol), which operates at the ____ layer of the OSI model.
IP, Network
A Lightning connector is found on which type of cable?
USB
The ____ key on a laptop allows you to perform tasks like toggling the video and dimming and brightening the LCD screen.
function (Fn)
Class B IP addresses will have a first octet of between ___ and ___.
128, 191
If you have multiple LANs connected together by a slower-speed connection, you have a ______.
wide area network (WAN)
What is it called when a laptop gets on the Internet using a cellular connection?
Mobile hotspot
What will happen to the drum of an EP printer if it’s exposed to light?
It will be ruined.
To communicate with computers on an external network using TCP/IP, your computer needs to be configured with a _____.
default gateway
A peripheral serial cable will have which type of connector?
DB-9 (or RS-232)
The wireless networking standard 802.11g operates at ____ (frequency) and supports _____ (speed).
2.4 GHz, 54 Mbps
Processors are kept from overheating by using a(n)
heat sink
Coax cable uses what type of connector?
F type (BNC is also acceptable but is not an exam objective)
A server that manages and audits security on a network is a ____ server.
authentication, authorization, and accounting (AAA)
What is the second step in the best practice troubleshooting methodology?
Establish a theory of probable cause (question the obvious).
Wireless 802.11b/g routers have a range of approximately ____ indoors and ____ outdoors.
Wireless 802.11b/g routers have a range of approximately ____ indoors and ____ outdoors.
What is the name for the CPU/socket format that places the pins on the motherboard instead of the CPU?
Land Grid Array (LGA)
If built-in wireless isn’t working on a laptop, what should you should look for?
lights on the network card, or an external network card toggle switch
A secure point-to-point connection over a public network is called what?
VPN
Class A private IP addresses are in the ____ range.
10.0.0.0–10.255.255.255
When network signals are sent using electrical outlets, that is called _______.
Ethernet over power
The ability of a cloud provider to bundle multiple physical servers together to appear as one set of resources to the client is called what?
Resource pooling
What is it called when two Bluetooth-enabled devices authenticate each other’s identities?
Mutual authentication
A DDR4 SODIMM has a minimum of how many pins?
260
What are two methods of authenticating to an MFD?
Typing in a username and password, and badging
Another name for a hub on a wireless network is a _____.
wireless access point (WAP)
Where is a 3D image printed?
On the print bed
The T in 100BaseT refers to what?
Twisted pair cabling
Physical network card addresses are called ______ addresses.
MAC (Media Access Control)
During which step of the EP imaging process does the toner move from the drum to the paper?
transferring
On a 2.4 GHz Wi-Fi network, what are the three nonoverlapping channels?
1, 6, and 11
What type of network cable does not produce poisonous gas when burned?
plenum
Which RAID level provides both disk striping and mirroring?
RAID 10 (1+0)
A rack-mounted device used to connect many network cables together is called a(n) _______.
patch panel
What are the two most common types of memory packaging for laptops?
SODIMM and MicroDIMM
If the system BIOS forgets the time and date after a reboot, what likely needs to be replaced?
CMOS battery
In the EP imaging process, what is the function of the laser?
It writes the image to the drum.
______ is the preferred I/O bus architecture for high-end graphics adapters.
PCI Express (PCIe)
A DDR3 SODIMM has how many pins?
204
__________ devices have power and data connectors that use an L-shaped keying mechanism.
SATA
What is the DNS TXT record that authenticates email servers using a public-private key pair?
DKIM
Cable TV and networking can use different types of ____ cable.
coaxial
During which best practice troubleshooting methodology step should you conduct external or internal research?
Establish a theory of probable cause (step 2).
What are two locations to which you can sync an iPhone?
The desktop (iTunes) and the cloud (iCloud)
What is the part of the LCD that is responsible for displaying information?
screen
Connecting a device to a mobile hotspot is referred to as what?
Tethering
What type of cloud is owned and used by an individual company?
Private
Multicast IPv6 addresses start with ____.
FF00::
A _________ is an extension of the motherboard of the laptop so that you can use full-sized devices.
docking station or port replicator
Ghosting on a laser printer can be caused by ______ or ______.
A broken cleaning blade, bad erasure lamps
DDR5 DIMMs have ____ pins.
288
What is the fourth step in the best practice troubleshooting methodology?
Establish a plan of action to resolve the problem and implement the solution.
What is the power supply for the LCD called?
inverter
Which type of server is used to collect messages such as error codes or security events from devices on the network?
syslog
WPA employs what security method?
TKIP
What is the most likely cause of a printer printing garbage?
The print driver
Two examples of location services are ____ and ____.
GPS, cellular location services
The Windows proprietary crash screen is called what?
Blue screen of death (BSOD)
What does a Molex connector do?
Provides power to IDE hard drives or optical drives
How do you connect a DVI monitor to an HDMI video card?
By using a DVI-to-HDMI adapter
Printer cables should be a maximum of _____ feet long.
10
UDP is a _______ protocol that operates at the _____ layer of the OSI model.
connectionless, Transport
A _____ server receives print jobs and manages printers on a network.
What is the capacity of a single-side, single-layer DVD?
4.7 GB
USB4 was based on which standard?
Thunderbolt 3
A typical type of backlight is a(n) ____ or a(n) ____.
cold cathode fluorescent lamp (CCFL), LED
What is the most common cause of latency on a network?
Too many users (or too much traffic)
What type of device holds nearly as much data as a conventional hard disk drive but has no moving parts?
solid-state drive (SSD)
Mail servers use which protocol and port to transfer mail between themselves?
SMTP, port 25
_____ is a term that refers to a 64-bit Intel CPU architecture
x64
What is the final step in the best practice troubleshooting methodology?
Document findings, actions, and outcomes.
A power supply with multiple attachable and detachable power cords is called what?
A modular power supply
Three types of removable storage are ___, ____, and ___.
Flash drives, memory cards, and optical drives
__________ is a video standard that supports digital audio as well.
HDMI
The _____ toggles video on a laptop from LCD to external.
LCD cutoff switch
If the fan on the power supply is an exhaust-oriented fan, then the fan on the front fan should be __________ oriented, whereas the rear supplemental fan should be __________ oriented.
intake, exhaust
Which two video standards are always digital?
HDMI and DisplayPort
A memory controller that supports __________ memory implementation requires that modules be installed in pairs for optimal performance.
dual-channel
What is the EP imaging process stage where the corona wire/roller acquires a strong positive charge (+600VDC) and applies that charge to the paper?
transferring
A cloud-based service that replicates the function of a router or switch is called what?
Software-defined networking (SDN)
If your laser printer often experiences out-of-memory issues, what can you to do help solve the problem?
Upgrade the memory.
An RJ-45 connector is used with what type of cable?
twisted pair
What do switches and routers have that indicate if a port is working properly?
Indicator lights
External storage devices will typically connect using one of which two technologies?
USB or eSATA
Which USB cable type provides for the best speeds?
USB-C
What technology is deigned to be “plug and play” for network devices?
UPnP
What networking tool can make a copy of network traffic for additional analysis?
Network tap
What is the difference between DVI-A and DVI-D?
DVI-A is analog, DVI-D is digital.
DDR SDRAM is implemented on a(n) __________-pin module.
184
Inverters provide ____-voltage, ___-frequency power.
high, high
When macOS quits unexpectedly, what error will you receive?
A pinwheel
In the best practice troubleshooting methodology, which step should be taken after verifying full system functionality?
Document findings, actions, and outcomes.
Which component, when it fails, may be swollen or release a brownish-red electrolyte?
Capacitor (distended capacitor)
DDR3 DIMMs have ____ pins.
240
If the computer has an error during POST, you will hear a ______.
beep code
How many pins does a VGA connector have?
15
What is the term for cloud service where the provider offers storage only?
infrastructure as a service (IaaS)
Two types of full-size fiber-optic connectors are ___ and ___.
SC (subscriber connector) and ST (straight tip)
Which component in a laptop display can take input from a user’s finger and turn it into digital data?
Digitizer
What type of Internet appliance helps spread out the work for web servers?
Load balancer
A power supply that takes over in case of a PSU failure is called what?
A redundant power supply
What is it called when a CPU essentially has several processors built into one package?
Multicore
_____ network cables are immune to crosstalk and RFI.
Fiber-optic