[UPDATED 2025] Free Cisco 100-140 Exam Questions Self-Assess Preparation [Q308-Q330]

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[UPDATED 2025] Free Cisco 100-140 Exam Questions Self-Assess Preparation

100-140 Free Sample Questions to Practice One Year Update

Q308. During network configuration, a technician sets up a new router and connects it to the company network. However, workstations connected to the router cannot access the internet. Which setting should the technician verify on the workstations?

The IP address is within the correct subnet

The default gateway is set to the router’s IP address

The router’s firmware is up to date

The workstations are using static IP addresses

Q309. While inspecting the IT department’s storage area, a technician discovers that power strips are daisy-chained together and are showing signs of wear.
What is the most appropriate safety action to take regarding fire prevention?

Ignore the issue as it is common practice in busy IT departments

Replace the worn power strips and ensure no power strips are daisy-chained together

Cover the worn areas with electrical tape to prevent exposure

Q310. An Android user is unable to download updates for their apps, receiving a notification that there is insufficient storage space.
What should the user do first?

Clear the cache and data of apps using significant storage

Delete all photos and videos from the device

Buy a new Android device with more storage

Update the Android OS to the latest version

Q311. What is the primary difference between predictive AI and generative AI when used in troubleshooting?

Predictive AI identifies existing patterns in data to forecast outcomes, while generative AI creates new data and simulations based on learned data patterns

Predictive AI replaces human decision-making in troubleshooting, whereas generative AI cannot operate without human intervention

Generative AI is used exclusively for security threat analysis, while predictive AI is not suitable for IT environments

Predictive AI creates virtual models of IT systems, whereas generative AI is used solely to automate data entry

Q312. What are benefits of a knowledge base for IT support? (Choose two)

Reduces resolution time

Trains new IT staff

Improves system speed

Increases financial performance

Q313. A user is attempting to use a Micro USB cable to transfer data from their digital camera to a computer, but the transfer rate is slower than expected. What should the IT support technician check first to address the issue?

Verify that the Micro USB cable is a USB 3.0 compatible cable

Ensure the digital camera supports data transfers via Micro USB

Confirm that the computer’s USB port is functional

Check if the Micro USB cable is securely connected

Q314. A business needs a highly scalable and reliable messaging service on GCP to handle event ingestion and delivery.
Which service is most appropriate for this requirement?

Google Cloud Functions

Google Cloud Pub/Sub

Google Cloud Endpoints

Google Kubernetes Engine

Q315. A technician receives an urgent email from what seems to be the IT department, asking to click a link to update their password immediately.
What is the best course of action?

Click the link immediately to comply with the apparent IT security update

Verify the email by checking the sender’s email address and contacting the IT department directly

Ignore the email as it is probably not important

Forward the email to colleagues to see if they received a similar request

Q316. Why is it important for a technician to ensure firmware is regularly updated on devices within an organization?

To increase the device’s resale value

To add new features and improve device functionality

To change the device’s operating system

To comply with local data handling regulations

Q317. A technician notices that a user’s wireless pointing device is not being recognized by their computer.
What should the technician check first?

Ensure the device’s driver is up to date

Verify that the device is paired correctly with its receiver

Perform a hardware reset on the computer

Check the computer’s firewall settings

Q318. Which protocol is primarily used when a user attempts to map a drive to access files stored on a cloud service like Box?

SMB

FTP

WebDAV

SNMP

Q319. A network technician wants to display all IP addresses assigned to all network interfaces on a Linux server.
Which command should the technician use?

ip add show

ip config show

ifconfig

ip link show

Q320. Which feature is commonly supported by Mobile Device Management (MDM) software?

Real-time location tracking of every device

Remote wiping of data on a lost or stolen device

Blocking all third-party applications

Unlimited data usage for all devices

Q321. What protocol should a technician follow after completing a troubleshooting session using VNC?

Immediately start another session to check for additional issues

Ensure that all VNC software is properly closed and the user’s system is secured

Leave the VNC connection open in case the user experiences further issues

Advise the user to uninstall VNC to prevent unauthorized access

Q322. A technical support specialist is guiding a user on identifying the type and speed of the processor in a Windows 10 laptop.
Which of the following steps should the specialist recommend to the user for the most direct access to this information?

Open Device Manager and look under the “Processors” section

Use the command prompt and type wmic cpu get name, CurrentClockSpeed

Navigate to Control Panel > System and Security > System

Open Task Manager and click on the “Performance” tab

Q323. A user complains that their mobile device charges very slowly when connected to their computer via a USB cable.
What is the most likely explanation for this issue that the IT support technician should provide?

The computer’s USB port is USB 1.0, providing lower power output

The mobile device requires a software update

The USB cable is too thick

The USB cable is silver-plated

Q324. A printer frequently experiences paper jams despite using the recommended paper type. What is the first step a technician should take to troubleshoot this issue?

Replace the fuser assembly

Clean the paper feed rollers

Update the printer’s firmware

Modify the printer’s paper size settings

Q325. A video production team wants to connect multiple 4K monitors to a workstation using USB-C connections to enable high-resolution video editing.
What is an essential specification the IT support technician should ensure these USB-C cables and ports meet?

High-speed charging up to 100W

Data transfer rates of at least 40 Gbps

Support for USB 2.0 data transfer standards

Ability to act as a host device

Q326. A user is experiencing intermittent power losses with their desktop computer. The IT support technician suspects an issue with the power cable.
What common fault in power cables should the technician check for first?

Electromagnetic interference

Physical damage to the cable or its connectors

Insufficient data transmission speed

Compatibility with USB devices

Q327. During a setup of multiple 4K monitors, a user wants to daisy-chain them using Thunderbolt 3.
What feature of Thunderbolt 3 enables multiple 4K displays to be connected through a single port?

Multi-Stream Transport (MST)

Single-Stream Transport (SST)

Dual-Mode DisplayPort (DP++)

ChainLink

Q328. You have just finished assisting a customer with a network connectivity issue that was resolved by updating router firmware and adjusting network settings. How should you document this interaction for your IT support logs?

Provide an extensive narrative of the customer’s initial description of the problem and a detailed history of their network setup

Summarize the customer’s problem, note the diagnostics performed, detail the actions taken (including settings adjusted and firmware updated), and describe the resolution’s impact on the issue

Include only the final action taken and the outcome, assuming the diagnostics are implied in the solution provided

Record every interaction with the customer and all technical steps in a verbose format to ensure nothing is omitted

Q329. A printer indicates a toner is not installed properly after a new cartridge was placed.
What should the technician do to resolve this alert?

Reset the printer to factory settings

Power cycle the printer

Remove and reinstall the toner cartridge

Upgrade the printer firmware

Q330. An IT support technician receives an email from what appears to be the IT director asking for immediate password resets for several accounts. The email lacks the usual formalities and seems rushed.
What is the most appropriate response?

Reset the passwords as requested and notify the director via reply

Verify the request by contacting the IT director through a known internal communication channel

Ignore the email as it does not follow protocol

Forward the email to a colleague for a second opinion