Volume 1: Set 2

Which Wi‐Fi standard improved speeds by allowing devices to communicate over two channels at the same time?

Wi‐Fi 7 (802.11be)

Port 143 is used by which protocol?

IMAP

What are two examples of load balancing?

geographical and content‐based

Mail servers work with which three protocols?

SMTP, POP3, IMAP4

An MX record in a DNS zone file indicates what type of host?

Mail server

Which printer configuration setting tells the printer where to get paper from?

tray settings

Inverters provide ____‐voltage, ___‐frequency power.

high, high

Paper size and orientation are set where?

printing preferences of the printer

The ____ is a chip in a mobile device that contains cellular network configuration information.

SIM

The power supply for the LCD backlight is called what?

inverter

What type of device holds nearly as much data as a conventional hard disk drive but has no moving parts?

solid‐state drive (SSD)

The name of a device on an MFD that allows for scanning multiple documents at once is an _____.

automatic document feeder (ADF)

Ghosting on a laser printer can be caused by ______ or ______.

a broken cleaning blade, bad erasure lamps

A _____ system is one that is outdated.

legacy

If you are sending jobs to the printer but they're not printing, you should stop and restart the _______.

print spooler service

During which step of the EP imaging process does the toner move from the drum to the paper?

transferring

Which USB cable type provides for the best speeds?

USB‐C

A memory controller that supports __________ memory implementation requires that modules be installed in pairs for optimal performance.

dual‐channel

Two coaxial networking cable standards are ____ and ____.

RG‐6 and RG‐59

LDAP uses which port number?

389

What is the most common type of memory packaging for laptops?

SODIMM

Which Internet connection type uses an ONT?

fiber

Which TCP ports are used for unsecure and secure POP3?

110 and 995, respectively

MFDs use SMB to do what?

Send a scan to a network folder.

What is the name for the CPU/socket format that places the pins on the motherboard instead of the CPU?

Land Grid Array (LGA)

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)

DNS uses port ___.

53

Which Wi‐Fi frequency offers the highest transmission speeds?

6 GHz

What technology is built into hard drives to detect problems?

S.M.A.R.T.

DDR4 SODIMMs have ___ pins.

260

Class B IP addresses will have a first octet of between ___ and ___.

128, 191

Processors are kept from overheating by using a(n) ______.

heat sink

The IPv6 address ::1/128 is the _____ address.

loopback

Which type of DNS zone file TXT record validates email servers based on their IP address?

Sender Policy Framework (SPF)

F‐type connectors are used for what type of cable?

coaxial

External storage devices will typically connect using one of which two technologies?

USB or eSATA

The part of AAA that tracks what users accessed is called ______.

accounting

A DDR4 SODIMM has a minimum of how may pins?

260

The diagnostic routine built into the BIOS/UEFI is called the _______.

power‐on self‐test (POST)

What are the four maintenance items for a laser printer?

Replace toner, apply maintenance kit, calibrate, and clean.

Which EP component takes wall voltage and converts it into current that the printer uses?

high‐voltage power supply (HVPS)

UDP is a _______ protocol that operates at the _____ layer of the OSI model.

connectionless, transport

SMB and CIFS use which port number?

445

What type of server assigns IP addresses to clients?

DHCP

What are the three preferred methods to connect a printer?

USB, Ethernet, wireless

Class C IP addresses will have a first octet of between ____ and ___.

192, 223

Which printer configuration setting specifies portrait versus landscape printing?

orientation

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 type of authentication requires only one piece of information, such as a password?

single‐factor authentication (SFA)

What is it called when a laptop gets on the Internet using a cellular connection?

mobile hotspot

What is the part of the LCD that is responsible for displaying information?

screen

What technology is deigned to be “plug and play” for network devices?

UPnP

A ____ or a ____ is usually the connectivity device at the center of a star network.

hub, switch

What are three networking devices used to get PCs onto the Internet?

cable modem, DSL modem, ONT

The two most common laptop memory standards are ______ and ______.

SODIMM and MicroDIMM

What type of cable is used with a punchdown block?

copper (specifically twisted pair)

If the system BIOS/UEFI forgets the time and date after a reboot, what likely needs to be replaced?

CMOS battery

Vertical black lines on the output of a laser printer are caused by what?

a groove or scratch in the EP drum

Which component, when it fails, may be swollen or release a brownish‐red electrolyte?

capacitor (distended capacitor)

If built‐in wireless isn't working on a laptop, you should look for what?

lights on the network card, or an external network card toggle switch

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?

shared resources or resource pooling

What type of DNS zone record is for aliases?

CNAME

If your inkjet printheads are dirty, what can you use to clean them?

an inkjet printer cleaning solution

To communicate on a TCP/IP network, which two things do you need?

a unique IP address and a valid subnet mask

During which EP imaging process step is a uniform negative charge (around –600VDC) applied to the surface of the photosensitive drum?

charging

A _________ is an extension of the motherboard of the laptop, so you can use full‐size devices.

docking station or port replicator

A Bluetooth network is called a ____. Multiple connected Bluetooth networks is called a _____.

piconet, scatternet

Another name for a hub on a wireless network is a _____.

wireless access point (WAP)

DDR SDRAM is implemented on a(n) __________‐pin module.

184

What is jitter?

variable latency on a network

What does a Molex connector do?

Provides power to PATA hard drives or optical drives

If the fan on the power supply is an exhaust‐oriented fan, then the fan on the front fan should be __________ oriented, while the rear supplemental fan should be __________ oriented.

intake, exhaust

What type of Internet appliance can help spread out traffic among multiple servers?

load balancer

Which RAID level provides both disk striping and mirroring?

RAID 10 (1+0)

Impact printer output is measured in terms of _____.

characters per second (CPS)

What do optical disc drives use to read and write data to a disc?

A laser

What type of server coordinates time on devices across a network?

Network Time Protocol (NTP)

The two biggest PC CPU manufacturers are ____ and ____.

Intel and AMD

A printer might have a BIOS stored on _____ which should be updated.

firmware

How is a dynamic IP address assigned to a computer?

from a DHCP server

To which power supply output voltage does “dual rail” apply?

12VDC

An AAAA record in a DNS zone file indicates what type of host?

IPv6

Which virtualization technology ensures that apps have consistent performance across operating environments?

containers

Which devices in a computer are most likely to make unexpected loud noises, indicating a problem?

HDDs, fans, power supply

A rack‐mounted device used to connect many network cables together is called a(n) _______.

patch panel

If a laptop user is complaining about their mouse cursor jumping on the screen, disabling the ____ might help.

trackpad

ARM CPUs are typically _____ and produce ____ heat than Intel or AMD CPUs.

smaller, less

The most likely cause of a printer printing garbage is what?

the print driver

Which display attribute describes how many pixels wide the image is?

Screen resolution

What type of server runs software such as SQL or Oracle?

database server

What will happen to the drum of an EP printer if it's exposed to light?

It will be ruined.

What is the name of the software that allows for multiple VMs on a client computer?

hypervisor

What is it called when a CPU essentially has several processors built into one package?

Multicore

Which component in a laptop display can take input from a user's finger and turn it into digital data?

digitizer

What does a SAN use to more efficiently store data?

block‐level storage

______ is the process of validating user credentials.

Authentication

_______ is used by cloud service providers to bill clients for what they used.

Metered utilization

How do you connect a DVI monitor to an HDMI video card?

By using a DVI to HDMI adapter

The POP3 protocol is used to ___ mail and operates on port ___.

retrieve, 110

To test the printer, you should print a ____ from the client computer.

test page