A systems administrator is working to ensure access to corporate laptops is limited to authorized users. The administrator has already implemented a password policy. Which of the following would be the best option to help the administrator secure the corporate resources?
A. Trusted Platform Module
B. Biometric scanner
C. Laptop lock
D. Encryption
Correct Answer: B
The best option to help the administrator secure the corporate resources is B. Biometric scanner.
A biometric scanner is a device that can authenticate a user's identity based on their physical or behavioral characteristics, such as fingerprint, iris, face, voice, or signature. A biometric scanner can provide a high level of security and convenience for accessing corporate laptops, as it can prevent unauthorized users from accessing the devices and eliminate the need to remember passwords . The other options are not the best options for this scenario. A Trusted Platform Module (TPM) is a chip that can store encryption keys and other sensitive data on a laptop. A TPM can enhance the security of data and devices, but it does not limit access to authorized users by itself. A TPM can work with a password or a biometric scanner to provide multifactor authentication . A laptop lock is a device that can physically secure a laptop to a desk or other object using a cable and a lock. A laptop lock can deter theft or tampering, but it does not prevent unauthorized users from accessing the laptop if they have the password or the key. Encryption is a process that can protect data on a laptop by transforming it into an unreadable format using a key. Encryption can prevent unauthorized users from accessing or modifying the data, but it does not prevent them from accessing the laptop itself.
Question 672:
A user has been unable to configure a smart device to play audio on a new Bluetooth speaker. A technician confirms that Bluetooth is enabled on both devices. Which of the following should the technician do to ensure the pairing is successful?
A. Enable and configure MFA on the smart device.
B. Synchronize all data to the cloud.
C. Enable location services on the smart device to find the speaker.
D. Enter the appropriate PIN code on the smart device.
Correct Answer: D
Explanation: To pair a Bluetooth speaker with a smart device, the user needs to enter the PIN code that is provided by the speaker manufacturer or displayed on the speaker itself. This is a security measure to prevent unauthorized pairing
and access. Enabling and configuring MFA, synchronizing data to the cloud, or enabling location services are not required for Bluetooth pairing.
Which of the following should the label on a network jack faceplate refer to?
A. MAC address
B. Patch panel port
C. Switch port in use
D. VLAN identification
Correct Answer: B
Explanation: A network jack faceplate is a device that covers and protects the network jack or outlet on a wall or a floor. A network jack or outlet is a physical interface that allows a network cable, such as an Ethernet cable, to be plugged into a network device, such as a computer or a printer. A network jack faceplate usually has one or more ports that correspond to different types of network cables, such as RJ-45, RJ-11, or coaxial. A label on a network jack faceplate should refer to the patch panel port that the network jack or outlet is connected to. A patch panel is a device that connects multiple network cables in an organized and convenient way. A patch panel has a number of ports that correspond to different cables, such as Ethernet, coaxial, or fiber-optic cables. A patch panel can help simplify the wiring and management of a network, as well as provide flexibility and scalability for adding or changing network devices. By labeling the network jack faceplate with the patch panel port, the network technician can easily identify and trace the cable that is connected to the network jack or outlet. This can help to troubleshoot and resolve network issues, such as connectivity, performance, or configuration problems. It can also help to avoid confusion or errors when installing or modifying network cables.
Question 674:
A user reports that a display is slow to turn on, and the colors are distorted and discolored. Once the display turns on, it appears to have lines going through the image and intermittently goes blank. Which of the following is the most likely cause of the issue?
A. Incorrect data source
B. Incorrect resolution settings
C. Physical cabling issues
D. Incorrect refresh rate
E. Display burn-in
Correct Answer: C
Question 675:
An engineer discovers the reason a user is unable to access the internet on a company laptop is because the RJ45 port failed. Which of the following should the engineer do to immediately restore network connectivity?
A. Update the Ethernet driver.
B. Connect to the WAP.
C. Replace the NIC.
D. Resolder the network connector.
Correct Answer: B
Question 676:
A user's Windows PC is unable to connect to the network at a new branch office that the user is visiting. A technician discovers the PC is unable to ping the local gateway. Which of the following commands should the technician use next?
A. ipconfig
B. cd config
C. ifconfig
D. show config
Correct Answer: A
ipconfig is a command-line tool that displays the current configuration of the network interfaces on a Windows PC. It can also be used to release and renew the IP address, flush the DNS cache, and display the routing table. If the PC is unable to ping the local gateway, the technician should use ipconfig to check the IP address, subnet mask, default gateway, and DNS servers of the PC. The technician can also use ipconfig /renew to request a new IP address from the DHCP server, or ipconfig /flushdns to clear the DNS cache.
Question 677:
Which of the following best describes metered utilization for cloud computing?
A. Cloud resources are billed to clients based on usage.
B. Cloud resources are shared with other companies conducting similar business.
C. Cloud resources are available at a fixed amount for a fixed price.
D. Cloud resources are located in the on-site data center.
Correct Answer: A
Explanation: Metered utilization for cloud computing is a pricing model where cloud service providers charge clients based on the amount of resources they consume, such as network bandwidth, storage space, CPU cycles, or memory. This
allows clients to pay only for what they use, rather than a fixed amount or a subscription fee. Metered utilization can also enable clients to scale their cloud resources up or down according to their needs and demand.
References: The following web search results provide more information about metered utilization for cloud computing:
Understanding Metered Billing For Cloud Infrastructure - Togai: This article explains the concept of metered billing, its advantages, and how it works for cloud infrastructure services. Usage Metering and Throttling in Cloud Computing: This
article discusses the importance of metering and throttling in cloud computing, and how they are implemented in WSO2 Stratos, a cloud platform as a service (PaaS) solution. Cloud Volumes Service Metered Billing: Control Your Cloud ... -
NetApp: This article describes how NetApp's Cloud Volumes Service offers metered billing for cloud storage, and how it can help clients reduce their cloud costs and optimize their performance.
Question 678:
A regularly used laser printer is printing vertical lines on each page_ Which of the following should the technician do first?
A. Lower the printing contrast.
B. Change the paper type
C. Install a new fuser.
D. Replace the toner cartridge
Correct Answer: D
Explanation: The answer is D. Replace the toner cartridge.
Vertical lines on a laser printer output are usually caused by a faulty or empty toner cartridge, a dirty or damaged drum unit, or a clogged or obstructed laser glass. According to the web search results, some possible steps to troubleshoot and
resolve this issue are:
Check the toner level and replace the toner cartridge if it is low or empty1. Remove the toner cartridge and inspect the drum unit for any signs of damage, such as scratches, cracks, or toner buildup. Clean the drum unit with a soft cloth or
replace it if it is damaged23.
Locate the laser glass, which is a narrow strip of glass under the scanner lid or inside the printer. Clean the laser glass with a lint-free cloth moistened with water and remove any dust, dirt, or debris that might block the laser beam24.
Question 679:
A technician is troubleshooting a PC that makes grinding noises and eventually shuts down. The technician determines the PC is overheating. Which of the following is most likely failing?
A. RAM
B. Motherboard
C. SSD
D. CPU fan
Correct Answer: D
The most likely component that is failing and causing the PC to overheat is D. CPU fan. The CPU fan is a vital part of the cooling system that prevents the CPU from overheating by blowing air over the heatsink and dissipating the heat. If the CPU fan is faulty, noisy, or clogged with dust, it can reduce the airflow and cause the CPU temperature to rise12. This can result in poor performance, instability, or shutdowns of the PC. The other components are less likely to be the cause of overheating. RAM, motherboard, and SSD do not generate as much heat as the CPU and usually do not require fans to cool them down1. They may overheat if there is poor ventilation in the case or if they are defective, but they are not as common as a failing CPU fan. Therefore, the correct answer is D. CPU fan. This is the most likely component that is failing and causing the PC to overheat.
Question 680:
Several users report that a projector routinely turns off in the middle of meetings and does not tum back on immediately. Users have to wait several minutes before the projector will turn back on. When the projector is on, the picture is clear and bright. Which of the following is the most likely reason the projector is turning off?
A. The video cable connecting the video source to the projector is failing.
B. The bulb in the projector is failing.
C. The projector is overheating and needs to be cleaned.
D. The outlet that the projector is plugged into is faulty.
Correct Answer: C
Explanation: The projector is overheating and needs to be cleaned. A common cause of projector shutdown is overheating, which can be triggered by dust accumulation, blocked vents, or faulty fans. The projector has a thermal protection
circuit that turns it off when the temperature reaches a certain level, and it will not turn back on until it cools down. To prevent this issue, the projector needs to be cleaned regularly and placed in a well- ventilated area. The video cable, the
bulb, and the outlet are not likely to cause the projector to turn off intermittently.
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