Practice Free 220-1101 Exam Online Questions
Which of the following explains how using a cloud infrastructure can provide rapid elasticity?
- A . Shared resources can reduce overhead.
- B . Customers can limit the use of a resource
- C . High availability of services can be provided
- D . Systems can be provisioned according to demand.
D
Explanation:
Systems can be provisioned according to demand. This is the essence of rapid elasticity, which is one of the essential characteristics of cloud computing. Rapid elasticity means that cloud services can be scaled up or down quickly and automatically, depending on the changing needs of the customers.
This provides flexibility, efficiency, and cost-effectiveness for both the customers and the providers. According to the CompTIA Core1 objectives, one of the benefits of cloud computing is rapid elasticity. A research paper on cloud elasticity also defines it as the ability to dynamically adjust the amount of resources allocated to a service in response to its workload variation.
An administrator configured multiple networked devices to store data that can be accessed as local storage.
Which of the following did the administrator create?
- A . PAN
- B . WLAN
- C . SAN
- D . MAN
C
Explanation:
A Storage Area Network (SAN) is a network specifically designed to pool storage resources and make them accessible to servers as if they were locally attached drives. SANs are used in data centers for high-performance storage and retrieval of large volumes of data. This setup allows multiple networked devices to access shared storage as if it were local, which matches the scenario described. PAN (Personal Area Network), WLAN (Wireless LAN), and MAN (Metropolitan Area Network) serve different purposes and do not primarily focus on shared storage access.
Reference: CompTIA A+ Core 1 Exam Objectives Section 2.7: Compare and contrast Internet connection types, network types, and their features.
A customer’s Windows tablet PC was dropped and is no longer responding to touch input on the left half of the screen. The screen protector has several scratches. but the glass is not broken.
Which of the following should a technician do to diagnose the issue?
- A . Test the digitizer
- B . Update the device drivers.
- C . Replace the damaged screen protector
- D . Perform a factory reset.
A
Explanation:
The digitizer is the component that converts the touch input into electrical signals that are processed by the tablet. If the digitizer is damaged or malfunctioning, it may not register the touch input correctly or at all. The technician can test the digitizer using a diagnostic tool or by replacing it with a known good one. Updating the device drivers, replacing the damaged screen protector, or performing a factory reset are unlikely to fix the issue, as they do not address the hardware problem.
Reference: [CompTIA A+ Core 1 (220-1101) Certification Study Guide], page 16.
Vertical streaks are appearing on the output of a laser printer.
Which of the following items is the MOST likely cause?
- A . Roller
- B . Drum
- C . Transfer belt
- D . Ribbon
B
Explanation:
Vertical or horizontal lines―Marks that appear in the same place (referred to as repetitive defects) are often due to dirty feed rollers (note that there are rollers in the toner cartridge and fuser unit too) or a damaged or dirty photosensitive drum.
Vertical streaks on a laser printer output are usually caused by a damaged or worn-out drum, which is responsible for transferring toner to the paper. If the drum is damaged, toner may accumulate on certain parts of the drum, leading to streaks on the printed output. References: CompTIA A+ Certification All-in-One Exam Guide, Tenth Edition, Chapter 15
A virtual file server in the cloud is configured to automatically add compute resources during times of high load on the server .
Which of the following describes this cloud feature?
- A . File synchronization
- B . High availability
- C . Rapid elasticity
- D . Shared resources
C
Explanation:
Rapid elasticity is a cloud feature that allows cloud services to scale up or down automatically according to demand or load on the server, without requiring manual intervention or configuration changes by users or administrators. This enables cloud services to provide optimal performance and efficiency at all times, as well as reducing costs by only using resources when needed .
Reference: https://www.comptia.org/training/books/a-core-1-220-1101-study-guide (page 98)
Which of the following wireless technologies is used by mobile devices to process payments at kiosks?
- A . Wi-Fi 6
- B . Bluetooth
- C . NFC
- D . RFID
C
Explanation:
NFC stands for near-field communication, which is a wireless technology that allows two devices to exchange data when they are in close proximity (usually within a few centimeters). NFC is commonly used by mobile devices to process payments at kiosks, such as Apple Pay or Google Pay. Wi-Fi 6 is a wireless standard that provides faster speed and lower latency than previous versions of Wi-Fi. Bluetooth is a wireless technology that allows devices to communicate over short distances (usually within 10 meters). RFID stands for radio-frequency identification, which is a wireless technology that uses radio waves to identify and track objects that have RFID tags attached to them
A user reports limited or no connectivity on a laptop.
A technician runs ipconfig /all with the following result:
Which of the following is the MOST likely cause of this issue?
- A . DHCP failure
- B . ARP cache
- C . DNS resolution
- D . Duplicate IP address
A user reports limited or no connectivity on a laptop.
A technician runs ipconfig /all with the following result:
Which of the following is the MOST likely cause of this issue?
- A . DHCP failure
- B . ARP cache
- C . DNS resolution
- D . Duplicate IP address
Which of the following is the best reason to set up a virtual sandbox?
- A . To run a test application that communicates with the test environment
- B . To analyze the effects of malware in a safe manner
- C . To host an application that multiple remote users can access
- D . To test an application in Windows and Linux concurrently
B
Explanation:
A virtual sandbox is an isolated environment that mimics the characteristics of a real system, but does not affect or interact with it1. A virtual sandbox can be used to run potentially unsafe or malicious code and observe its behavior without risking harm to the host machine or network2. This is useful for cybersecurity researchers who want to test and analyze malware samples, such as viruses, worms, ransomware, etc., and understand how they work and how to prevent or mitigate them3.
A salesperson is using a weather application on a mobile device. The application appears to be draining the device’s battery very quickly.
Which of the following is the BEST action for the salesperson to take in order to view weather forecasts while traveling?
- A . Enable the GPS service to ensure accurate location detection.
- B . Update the PRL when getting to a new location.
- C . Configure less location checks using cellular location services,
- D . use the offices’ Wi-Fi IP addresses as the geolocation mechanism.
C
Explanation:
The best action for the salesperson to take in order to view weather forecasts while traveling and minimize the battery drain on their mobile device is to configure fewer location checks using cellular location services. This can be done by adjusting the settings for the weather application to limit how often it checks for updates and uses location services. This will help to conserve the battery on the device and keep the application from consuming too much power.