Hardware and Display Components

Which attribute or characteristic correctly distinguishes Capacitive touchscreens from resistive touchscreens

Capacitive supports multi-touch gestures

Capacitive are more sensitive and responsive

Which attribute or characteristic correctly distinguishes a docking station from a port replicator?

Docking stations connect directly to the laptop, port replicators connect via a cable

Which step of replacing a hard drive involves dividing up the disk

space and applying the file system?

Partitioning and formatting

Which display panel type offers the best contrast, truest blacks,

and better energy efficiency?

Organic light emitting diode (OLED)

Which key computer hardware component represents a temporary working space for active data?

Random Access Memory (RAM)

Wrist strap and mats are designed to reduce the chance of which

issue when working with computer components?

Electro-static discharge (ESD)

Which considerations are most likely to be of concern when it comes to the key components of a laptop computer vs those of a desktop computer?

Upgrade ability Physical size Susceptibility to overheating

For which type of integrated peripheral might you be concerned with the "fps" value?

Webcam

What is the primary reason why solid state drives out-perform,

and are more reliable than traditional hard disk drives?

SSDs have no moving parts

Which tool can be used to trace a network wall jack back to its

port on a switch?

Toner probe

Updating drivers and/or recalibrating the digitizer should be attempted to correct which display issue?

Unresponsive touchscreen

Which charging level is recommended for preserving the lifespan

of a laptop battery?

Keep the charge levels between 80% and 20%

Which factor is the primary consideration when it comes to

cleaning computer components?

Dust

Which precaution would likely be most effective in reducing the risk of electrical failures?

Using surge protectors

Which statements about wired vs wireless mobile device charging are correct?

Wired charging is more efficient in terms of energy use/ wired charging can reduce battery lifespan/ Wireless charging can reduce battery lifespan Fast

Mobile application connectivity issues are most commonly due to

which issues?

Internet connectivity problems App-specific issues Device-specific issues

Which connectivity method or feature ensures that all incoming 

and outgoing communications are encrypted

Using a VPN

Near-field communications would be more suitable for which types of applications?

Payment cards, Opening a door lock

Which mobile accessories would be categorized as connectivity

accessories?

Port replicators, Data transfer cables

Which type of USB connector is the only one that is reversible in terms of its orientation?

USB-C

Most modern lithium-ion mobile device batteries will support how

many charge cycles?

Between 300 and 500

If after applying an update to your ios device you notice that the version increased from 17.3 to 18, which type of update was applied?

Major OS

Which transmission range is supported by Bluetooth 5.3?

60 meters

Lightning cables and connectors can be used with which types of

devices?

Iphones, Ipads

RS-422 serial communications could support which data transfer

speed?

10 Mbps

By which methods can location services determine your location?

GPS

WPS

Cellular triangulation

Which type of synchronization is exemplified by syncing only your photos to Google Photos?

App-specific

Which activities are more likely to cause a mobile device to

overheat?

Video streaming

Charging

Gaming

Which types of frequencies and/or services do Wi-Fi networks

use?

2.4 GHz

5 GHz

Which activities will be required after performing a factory reset

on a mobile device?

Restore personal data and settings

Update the operating system

Reconfigure security settings

Which operations or configurations can help to optimize memory

usage on a mobile device?

Regular reboots

Use lite versions of apps

Which activity or configuration presents the most notable threat to mobile devices?

Using unsecured public Wi-Fi networks

What are the potential primary benefits to an organization if they

implement a BYOD policy?

Reduced costs

Increased productivity

Employee satisfaction

Backing up an iPhone by using iTunes on your desktop system is an

example of which type of backup?

Computer-based backup

Which mobile device security measure ensures that no access

attempts are assumed to be legitimate?

Zero-trust security

Before a mobile device can be managed through mobile device management (MDM), which activity must be performed?

The device must be enrolled

Which statements about cable modems and DSL are correct?

Cable modems are faster than DSL

DSL transmits data over telephone lines

DSL offers dedicated bandwidth to each customer

Which type of device only ever receives wireless signals, and re-

broadcasts them?

Repeater

Optical network terminals are key components of which types of

Internet service?

Fiber to the premises

Which port is used for secure HTTP transmissions (HTTPS)?

443

Which statements about TCP and UDP are correct?

TCP is more reliable than UDP

UDP is faster than TCP Both protocols

operate at the transport layer

Wired ethernet network interface cards are capable of handling

up to which speed?

100 GBPS

TEEE 802.3bt (PoE++) can deliver how much power to devices?

Between 60 and 100 watts per port

A subnet mask of /30 provides usable addresses for how many

host devices?

2

Which type of firewall can also provide intrusion detection and

prevention, malware filtering, and deep packet inspection?

Next-generation

What is the purpose of a patch panel in networking?

To centralize and better manage the wiring

Which type of device is capable of both switching and routing?

Layer 3 switch

Which network topology would be best suited to an environment

where redundant and reliable connections are most important?

MESH

Which type of antennas are typically used for home Wi-Fi routers?

Omni-directional

Which wireless network configuration can provide isolation from

the main network for casual users?

Setting up a guest network

Which wireless transmission method is typically used for wearable

and/or smart devices?

Bluetooth LE

Which statements about wireless frequency bands are correct?

2.4 GHz offers better coverage than 5 GHz,

5 GHz offers better speed than 2.4 GHz

6 GHz offers the highest speed of all bands

For which situation would you be most likely to use long-range

fixed wireless?

Rural areas

Which utility measures the round-trip time between devices when assessing jitter and latency?

Ping

Which channel combination of the 2.4 GHz band would provide the least amount of interference?

1, 6 and 11

Which Wi-Fi authentication method provides the highest security

for home use?

WPA3-PSK

By which method can you access the network troubleshooter on a

Windows computer?

Right-click the network or the globe icon in the taskbar

Which 802.11 standard was the first to be able to operate over

either the 2.4 or the 5 GHz band?

n

What is the approximate transmission range of a near-field

communications (NFC) wireless adapter?

4cm

Which scenario is most likely to result in a poor-quality wireless

signal?

Placing the router in an enclosed space

Which characteristics of WPA3 are typically regarded as challenges

to its use?

Compatibility with older devices Performance considerations

Network connectivity problems

In which situation would you be most likely to encounter RFID?

Inventory tracking

Which wireless frequency band is typically the most susceptible to interference from other devices such as cordless phones or baby monitors?

2.4 GHz

When a VLAN-enabled switch first boots up, all ports are added to

which VLAN?

Default

Which type of internet connection is most likely to provide both the highest speed and the highest reliability?

Fiber

Which type of network would you most likely find in a large university campus?

MAN

DHCP clients will attempt to renew their leases at which time

intervals?

50% and 87.5%

Which values are most commonly set within the options of a DHCP

scope?

Router

Domain Name DNS server

Which types of DNS records are used to validate email authenticity

and reduce spam?

TXT

Network address translation performs which type of translation?

Private IP address to public IP address

Which type of VPN can be accessed with only a browser?

SSL

Port forwarding is used in conjunction with which other network

service or protocol?

NAT

Other than a rule name, which other values are required to create

a port-forwarding rule?

Port

Protocol Private

IP address

What does HDD stand for?

Hard Disk Drive

What does GaN stand for?

Gallium Nitride

What is the data speed of USB 2.0?

480 Mbps

What are the two wiring options for ethernet cables?

T568A T568B

Which are benefits of a shielded twisted pair (STP) cable?

Has a metallic shielding to impede EMI Provides better noise protection in environments with high interference

Which video cables are commonly used?

DisplayPort

HDMI

DVI

What cable is used for ethernet networking?

RJ-45

Which USB type supports data transfer speeds up to 40 Gbps and

is reversible?

USB-C

What does USB stand for?

Universal Serial Bus

Which are fiber optic connectors?

ST

SC

LC

FC

Which are key factors affecting network speed?

Bandwidth

Latency

Interference

Which is a type of ethernet cable?

cat0

Cat 7

Cat 8

What does PoE stand for?

Power over Ethernet

Which two are types of optical fiber cables?

Single-mode fiber (SMF)

Multi-mode fiber (MMF)

Which are punch down block types?

66 block

110 block
Krone block

Which are considered emerging trends in IT?

Wireless advancements

Al-powered networking

Examine the following output from Wireshark. What display filter

has been applied?

Ip.addr == 23.222.17.79

You are investigating a small business where users are experiencing poor VolP quality.

Upon investigation, it seems that the incoming voice traffic is fine, but the outgoing traffic is choppy, and sometimes outgoing calls don't connect. Which solution will likely resolve

this issue?

Prioritize VolP traffic

This type of cable tester will launch a signal down a cable which is used to measure the precise distance to the point of a break.

Time domain reflectometer

You have a client with a home network who is having some connectivity issues. After some investigating, you

learned that they have a microwave and a baby monitor in the work area. They are also using cordless phones in the same area and several Bluetooth devices including a speaker for music. The wireless router is configured to operate on channel 1 in the 2.4GHz band and is using WPA encryption with pre-shared keys. Which solution will

help reduce the interference causing their connectivity issue?

Switch to the 5GHz band

You're troubleshooting a network issue which you believe is related to DNS resolution errors. You want to check to see if your DNS server can resolve a web address to its

corresponding IP. What network troubleshooting tool do you use?

NsLookup

You have been tasked with creating a network patch cable for a 10Gb/s Ethernet network. You are ready to attach the connector

to the end of the cable. Which tool is used for this purpose?

Crimper

Your organization is expanding into a new office location and requires that a Wi-Fi network be installed to connect

users. The wireless access points have been installed according to the network plan and you are tasked with measuring the strength of the signal throughout the location. You require a handheld tool that you can carry

around the location to take measurements. Which tool fulfills these requirements?

Hardware-based analyser

You have been tasked with capturing network traffic from a number of sources in your network for

analysis. When you examine your network configuration, you realize that a single connection point

anywhere in the network will not capture the traffic you require, and you will need a device that can capture traffic from several points at once. Which technology will satisfy the required parameters?

Aggregation tap

You've been called to check a computer that is experiencing connectivity issues and when you arrive you notice that the system is displaying a "Limited Connectivity"

message. What is a likely cause for this issue?

Incorrect IP configuration

Examine the following output from the tracert command: 4 31 ms 35 ms 28 ms 209.148.238.25 5 51 ms 50 ms 51 ms 69.63.248.61 6 54 ms 55 ms 56 ms

69.63.248.58 What does the number 6 in the first column represent?

It represents the sixth hop along the path to the destination

An ISP may reduce network capacity to a client in times when their network becomes busy to optimize the bandwidth shared among

——•

all their customers. This practice is known as _

ISP throttling