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Cisco 100-140 Exam Syllabus Topics:
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NEW QUESTION # 326
A technician receives a call from a user who cannot access the internet. The user's computer runs Windows.
Which command should the technician instruct the user to run first to check the current IP configuration?
- A. ping 127.0.0.1
- B. traceroute www.google.com
- C. netstat -rn
- D. ipconfig /all
Answer: D
Explanation:
Correct Answer. B. ipconfig /all The ipconfig /all command displays all current TCP/IP network configuration values, including the IP address, subnet mask, default gateway, and DNS servers, which are vital for troubleshooting connectivity issues.
Option A is incorrect. netstat -rn displays the routing table, which is more useful for troubleshooting route selection and gateway issues but not basic connectivity settings.
Option C is incorrect. traceroute is used to trace the path packets take to a destination, helpful for identifying network path issues but not for initial IP configuration checks.
Option D is incorrect. ping 127.0.0.1 tests the loopback address to confirm TCP/IP is installed and functioning on the local machine, but it doesn't provide IP configuration details.
NEW QUESTION # 327
What should an employee do if they discover that proprietary software code has been inadvertently posted in a public forum by a colleague?
- A. Leave it, assuming someone else will notice and handle it
- B. Copy the code for personal use before it is removed
- C. Notify their supervisor or the information security team immediately
- D. Contact the forum administrator to discuss the issue without alerting the company
Answer: C
Explanation:
Correct Answer. B. Notify their supervisor or the information security team immediately Notifying the supervisor or information security team allows for quick and proper handling of the situation to protect proprietary information and mitigate any potential damage.
Option A is incorrect as using proprietary information without permission breaches company policies and legal guidelines Option C is incorrect as passive behavior risks prolonged exposure of sensitive information Option D is incorrect because handling such an issue requires internal company intervention to ensure adherence to confidentiality and propriety protocols
NEW QUESTION # 328
A user wants to upgrade the RAM on their Linux desktop and needs to find out the current RAM specifications to buy compatible modules.
What command should the IT support technician advise them to use?
- A. free -m
- B. grep MemTotal /proc/meminfo
- C. sudo dmidecode -t memory
- D. lshw -short | grep memory
Answer: C
Explanation:
Correct Answer. A. sudo dmidecode -t memory The command sudo dmidecode -t memory provides detailed information on each memory slot, including size, speed, type, and whether any slots are available, making it invaluable for checking compatibility for upgrades.
Option B is incorrect because grep MemTotal /proc/meminfo only displays the total amount of RAM available, not details about its type or speed.
Option C is incorrect because free -m shows the amount of free and used memory in megabytes, but does not provide detailed specifications about the memory itself.
Option D is incorrect because lshw -short | grep memory could potentially show brief details about memory devices, but it is less comprehensive than dmidecode for understanding all necessary RAM specifications for an upgrade.
NEW QUESTION # 329
What does it typically indicate if the power LED on a desktop computer is blinking intermittently?
- A. The computer is currently processing tasks
- B. The computer is in sleep or standby mode
- C. The motherboard is overheating
- D. The power supply unit is failing
Answer: B
Explanation:
Correct Answer. A. The computer is in sleep or standby mode A blinking power LED on a desktop computer often signals that the computer is in sleep or standby mode, reducing power usage while not in active use.
Option B is incorrect because a failing PSU typically causes the computer to shut down unexpectedly or not start at all, rather than causing the power LED to blink intermittently.
Option C is incorrect because overheating issues usually trigger other indicators, such as system shutdowns, error messages, or a constant on, not blinking, warning lights.
Option D is incorrect because processing tasks do not affect the power LED, which typically remains steady during normal operations.
NEW QUESTION # 330
During a meeting, a user's laptop with a USB-C port fails to charge when connected to a docking station.
What is the most likely reason for this issue that the IT support technician should investigate first?
- A. The laptop requires a proprietary charger
- B. The docking station is not plugged into an AC power source
- C. The USB-C cable is too long
- D. The docking station uses a USB-C cable that does not support Power Delivery (PD)
Answer: D
Explanation:
For a USB-C connection to charge a laptop, especially through a docking station, the cable and docking station must support USB Power Delivery (PD). This feature enables higher power transfer over USB-C, essential for charging laptops. If the docking station or the cable lacks PD support, the laptop will not charge effectively.
Option B is incorrect because cable length can affect data transfer and charging efficiency, but it is less likely to be the primary reason for no charging if the setup previously worked.
Option C is incorrect because while some laptops may require proprietary chargers, most modern laptops with USB-C are designed to be charged via USB-C PD.
Option D is incorrect because while possible, it's assumed that basic setup checks like ensuring the docking station's power source have already been made.
NEW QUESTION # 331
Which netstat command should a technician use to find out which programs are using network resources on a Windows machine that is suspected of being compromised?
- A. netstat -b
- B. netstat -n
- C. netstat -p
- D. netstat -o
Answer: A
Explanation:
Correct Answer. B. netstat -b netstat -b displays executable involved in creating each connection or listening port, which is particularly useful for identifying unknown or suspicious programs using network resources.
Option A is incorrect. This is not a valid netstat command option.
Option C is incorrect. netstat -n displays addresses and port numbers in numerical form but does not show the programs associated with the connections.
Option D is incorrect. While netstat -o shows active TCP connections with the owning process ID, it lacks the detail of the executable name that netstat -b provides.
NEW QUESTION # 332
What should technicians be cautious of before updating firmware on critical systems?
- A. Scheduling the update during peak business hours to ensure immediate support is available
- B. Ensuring the firmware is sourced from unofficial third-party sites for faster access
- C. Checking the firmware version to make sure it matches exactly what is required
- D. Ensuring there is a backup before applying the update
Answer: D
Explanation:
Correct Answer. D. Ensuring there is a backup before applying the update It's crucial to have a backup of the system's configuration and data before applying firmware updates to critical systems, to prevent data loss in case the update fails or causes problems.
Option A is incorrect because firmware should always be sourced from official or trusted sources to avoid the risks of installing malicious or incompatible updates.
Option B is incorrect because while it's important to check firmware versions, the most critical precaution is to have a backup.
Option C is incorrect because updates should ideally be scheduled during off-peak hours to minimize disruption to business operations.
NEW QUESTION # 333
An enterprise requires a secure environment to manage and store its application configurations and secrets.
Which AWS service is best suited for this need?
- A. Amazon EBS
- B. AWS Secrets Manager
- C. AWS Security Hub
- D. AWS Config
Answer: B
Explanation:
Correct Answer. C. AWS Secrets Manager AWS Secrets Manager helps you protect access to your applications, services, and IT resources without the upfront investment and on-going maintenance costs of operating your own infrastructure.
Option A is incorrect because AWS Config is more focused on assessing, auditing, and evaluating the configurations of your AWS resources.
Option B is incorrect as AWS Security Hub gives you a comprehensive view of your high-priority security alerts and compliance status across AWS accounts but does not manage secrets.
Option D is incorrect as Amazon EBS (Elastic Block Store) provides block storage volumes for persistent data storage when using EC2 instances, not for managing secrets.
NEW QUESTION # 334
Move all the problem-solving steps to the answer area and place them in the correct order.
Answer:
Explanation:
NEW QUESTION # 335
What ethical issue must be considered when integrating AI into troubleshooting processes?
- A. AI can autonomously implement changes to user systems without oversight
- B. AI is best used without human interference to ensure unbiased results
- C. AI should be allowed unrestricted access to all company data for optimal performance
- D. AI tools must be transparent in how they process user data and arrive at conclusions
Answer: D
Explanation:
Correct Answer. B. AI tools must be transparent in how they process user data and arrive at conclusions Transparency in how AI processes data and makes decisions is vital to maintain trust and accountability, particularly when personal or sensitive data is involved.
Option A is incorrect as unrestricted access can lead to significant security and privacy risks.
Option C is incorrect because allowing AI to make changes without oversight can result in errors and ethical dilemmas.
Option D is incorrect as human oversight is crucial to monitor AI decisions and ensure they are ethically sound and unbiased.
NEW QUESTION # 336
A technician is troubleshooting a PC where the USB ports are not recognizing any devices.
Which Device Manager status message would likely indicate the source of the issue?
- A. "No drivers are installed for this device."
- B. "Windows cannot load the device driver for this hardware."
- C. "This device is working properly."
- D. "This device is disabled."
Answer: B
Explanation:
Correct Answer. B. "Windows cannot load the device driver for this hardware." This status message indicates that there is a problem with the device driver that could be causing the USB ports not to recognize connected devices. It suggests that the driver may be corrupted or incompatible and needs updating or reinstalling.
Option A is incorrect because it indicates that the device is functioning correctly, which does not align with the symptoms described.
Option C is incorrect because it suggests the device has been manually disabled, which is unlikely without user intervention.
Option D is incorrect because it would typically prompt an immediate action to install drivers, and the technician would likely have already checked this.
NEW QUESTION # 337
A network engineer is setting up a new office network that requires secure internal communications and internet access for all devices.
Which configuration should the engineer use for the internal network?
- A. Assign public IP addresses to all devices
- B. Set all devices to obtain IP addresses automatically without a DHCP server
- C. Use only IPv6 addresses for both internal and external communications
- D. Assign private IP addresses to all devices and use NAT for internet access
Answer: D
Explanation:
Correct Answer. B. Assign private IP addresses to all devices and use NAT for internet access Using private IP addresses for internal devices and NAT (Network Address Translation) for internet access is a standard practice. This configuration enhances security and conserves public IP addresses.
Option A is incorrect. Using public IP addresses for all devices is not secure or economical as it exposes devices directly to the internet.
Option C is incorrect. Using only IPv6 does not address the need for private addressing within the internal network.
Option D is incorrect. Without a DHCP server, managing IP addresses, especially in larger networks, would be inefficient and prone to errors.
NEW QUESTION # 338
How should a technician use search engine results when updating internal documentation on software installation errors?
- A. Copy and paste the most common solutions found on tech blogs directly into the documentation
- B. Summarize solutions from authoritative and trusted tech sites to enhance internal guidelines
- C. Document only those solutions that appear in paid advertisements for reliability
- D. Ignore outdated solutions and only document the newest methods, regardless of their testing status
Answer: B
Explanation:
Correct Answer. B. Summarize solutions from authoritative and trusted tech sites to enhance internal guidelines Compiling and summarizing proven solutions from reliable and authoritative sources helps create comprehensive and dependable internal documentation that can aid future troubleshooting efforts.
Option A is incorrect because directly copying information can lead to issues with accuracy and copyright.
Option C is incorrect because new methods should be tested and validated before being documented as they may not always be reliable.
Option D is incorrect as the presence of solutions in advertisements does not necessarily correlate with their reliability or applicability.
NEW QUESTION # 339
During a support call, a technician is asked for their login credentials to troubleshoot an issue faster.
How should the technician respond?
- A. Ask the caller to send an official email request for audit purposes
- B. Offer to create a temporary password and share that instead
- C. Share the credentials since the request appears to come from within the company
- D. Refuse to share any credentials and report the request to the IT security team
Answer: D
Explanation:
Correct Answer. B. Refuse to share any credentials and report the request to the IT security team A technician should never share their login credentials; such requests should be viewed with suspicion and reported to maintain security.
Option A is incorrect because sharing login credentials compromises security protocols.
Option C is incorrect because creating and sharing even temporary passwords can expose the system to unauthorized access.
Option D is incorrect because simply asking for an email does not provide sufficient security verification and may still lead to potential breaches.
NEW QUESTION # 340
What critical step should be taken when using search engine results to resolve hardware compatibility issues?
- A. Assume that the most recent search results are the most relevant
- B. Focus only on solutions that involve purchasing new hardware
- C. Compare multiple search results to find the most consistently recommended solution
- D. Choose solutions exclusively from non-commercial sites to avoid biased information
Answer: C
Explanation:
Correct Answer. B. Compare multiple search results to find the most consistently recommended solution Evaluating various sources and recommendations ensures a comprehensive understanding of the issue and helps identify the most effective and widely acknowledged solutions.
Option A is incorrect because the most recent results are not always the most relevant or reliable.
Option C is incorrect because non-commercial sites can also offer biased or incomplete information; the key is to evaluate the credibility of the content, not just the nature of the site.
Option D is incorrect as buying new hardware should not be the first solution unless all other options are proven ineffective.
NEW QUESTION # 341
Anna reports that she can no longer access the quarterly financial reports on the company server, even though her colleagues can.
What should you check first to troubleshoot her access issue?
- A. Verify Anna's permissions on the folder containing the financial reports
- B. Check if Anna's account is locked out
- C. Ask Anna to restart her computer
- D. Update Anna's antivirus software
Answer: A
Explanation:
Correct Answer. B. Verify Anna's permissions on the folder containing the financial reports Since Anna's issue is specific to accessing a particular resource that others can access, the first step is to check her permissions for that folder. This will determine if there has been any change affecting her access.
Option A is incorrect because an account lockout would prevent her from logging into the system entirely, not just accessing specific files.
Option C is incorrect as restarting the computer would not affect her permissions on the server.
Option D is incorrect because antivirus software updates would not impact her permissions to access specific network resources.
NEW QUESTION # 342
A user is experiencing performance issues and suspects that their computer might be overheating. What section of the Windows System Information tool should the IT support technician advise the user to check to view the system's thermal status?
- A. Hardware Resources > I/O
- B. Components > Cooling
- C. Components > Infrared
- D. System Summary
Answer: B
Explanation:
Correct Answer. C. Components > Cooling The "Components > Cooling" section of the Windows System Information tool is designed to provide information related to the cooling systems of the computer, such as fan statuses and thermal conditions, which can help in diagnosing overheating issues.
Option A is incorrect because System Summary does not provide specific details about the thermal or cooling status of the system.
Option B is incorrect because Components > Infrared relates to infrared device information, not cooling or thermal management.
Option D is incorrect because Hardware Resources > I/O deals with input/output settings and does not cover thermal management or cooling system statuses.
NEW QUESTION # 343
A company wants to reduce its IT support costs without sacrificing service quality. Which KPI would be most helpful in identifying potential cost-saving areas while maintaining service standards?
- A. Average handle time per ticket
- B. Total number of tickets received per month
- C. Ratio of escalated versus resolved tickets
- D. Cost per ticket
Answer: D
Explanation:
The cost per ticket KPI is essential for identifying how much is being spent per issue handled.
This KPI helps in pinpointing inefficiencies in the support process and areas where resources may be optimized without compromising service quality.
Option A is incorrect because while average handle time provides efficiency insights, it does not directly relate to cost management.
Option B is incorrect as the total number of tickets does not provide direct insights into cost efficiency or areas for cost reduction.
Option C is incorrect because the escalation ratio focuses more on the quality or complexity of service rather than cost efficiency.
NEW QUESTION # 344
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