220-1101 Exam Dumps - CompTIA A+ Certification Exam: Core 1

Using a mobile hotspot can quickly establish an internet connection for the remote user. A mobile hotspot uses cellular data to create a Wi-Fi network that the user can connect to, bypassing the need for a physical connection to the ISP. This solution is practical and efficient, especially in situations where the primary internet connection is down, and immediate connectivity is required. Mobile hotspots are widely used for their convenience and the ability to provide internet access almost anywhere cellular service is available, as highlighted in the CompTIA A+ Core 1 (220-1101) Exam Objectives in sections related to networking and mobile devices .

A PAN, or Personal Area Network, is the network type that is used for pairing a Bluetooth device to a smartphone. A PAN is a network that connects personal devices, such as phones, tablets, laptops, headphones, speakers, or printers, over a short distance, usually less than 10 meters or 33 feet. A PAN can use wireless technologies, such as Bluetooth, Wi-Fi, or infrared, to enable communication and data exchange between the devices. A Bluetooth PAN, also known as a piconet, can consist of up to eight devices, one of which acts as the master and the others as slaves. The master device initiates the pairing process with the other devices and controls the data transmission. The devices use radio waves in the 2.4 GHz frequency band to communicate with each other. Bluetooth is a low-power, low-cost, and secure technology that is widely used for creating PANs.

References:

What Is Bluetooth Wireless Networking?1

Bluetooth - GeeksforGeeks2

Bluetooth | Institute of Physics3

6 Different Types of Bluetooth Devices - TechJeny4

Cable internet service is delivered through coaxial cables that are shared among multiple customers in a neighborhood. This means that the bandwidth may vary depending on the network congestion. Fiber, NIC, and DSL are not copper-based or shared mediums.

The answer is A. High availability and B. Elasticity.

High availability is the ability of a system to remain operational and accessible with minimal or no downtime, even in the event of failures, disasters, or disruptions. High availability can be achieved by designing a system that has redundancy, fault tolerance, and disaster recovery capabilities. For example, a cloud engineer can design a system that replicates data and resources across multiple regions, zones, or availability domains, and uses load balancing and failover mechanisms to distribute the workload and handle failures gracefully12.

Elasticity is the ability of a system to scale up or down automatically in response to changes in demand or utilization. Elasticity can be achieved by designing a system that can dynamically allocate and deallocate resources based on predefined metrics, policies, or triggers. For example, a cloud engineer can design a system that uses auto-scaling groups, horizontal or vertical scaling strategies, and on-demand or spot instances to optimize the performance and cost of the system32.

By implementing high availability and elasticity, a cloud engineer can ensure that the solution is able to immediately fail over to another region in case of an outage and also scale up in the event of high utilization. These are two important aspects of building reliable and scalable cloud architectures. Therefore, options A and B are the correct answers.

The best option to allow all users to print to the new network printer is to install all applicable print drivers on the print server. This way, the print server can automatically provide the correct driver to the client computers when they connect to the printer. This option also reduces the administrative overhead and security risks of the other options, which involve either granting users more privileges, mapping them to a shared folder, or remotely accessing their computers.

References1 CompTIA A+ Core 1 (220-1101) Certification Study Guide, Chapter 16: Installing and Configuring Printers, page 419.2 The Official CompTIA A+ Core 1 Instructor Guide (Exam 220-1101), Lesson 16: Installing and Configuring Printers, page 16-7.3 CompTIA A+ Core 1 (220-1101) Complete Video Course, Lesson 16: Installing and Configuring Printers, Video 16.2: Installing and Configuring Network Printers.

The problem in this scenario is that the battery charger is not a USB device, but a device that plugs into a USB port to draw power. Therefore, it does not have a unique identifier that can be recognized by the peripheral security software, which is designed to prevent unauthorized USB devices from accessing the company’s network or data. The security software cannot add the battery charger to its whitelist, and may block its power supply or generate alerts.

The best solution for this problem is to provide a USB to AC adapter for the battery charger, which is a device that converts the USB power output to an AC power input that can be plugged into a wall outlet. This way, the battery charger does not need to connect to the docking station or the computer, and does not trigger the peripheral security software. The user can still charge the camera’s battery without compromising the company’s security policy.

The other options are not advisable because they either do not solve the problem or create new risks. Option B, adding a powered USB hub to the docking station, may not work if the security software also monitors the hub’s ports and detects the battery charger as an unknown device. Option C, disabling the peripheral security software for this user only, is a very bad idea because it exposes the user’s computer and the company’s network to potential attacks from malicious USB devices. Option D, replacing the battery charger with a USB device that has a unique identifier, is unnecessary and costly, and may not be compatible with the camera’s battery.

References:

CompTIA A+ Core 1 (220-1101) Certification Study Guide, Chapter 9: Security, Section 9.3: Device Security, Page 419

CompTIA A+ Core 1 (220-1101) and Core 2 (220-1102) Pearson uCertify Course and Labs and Textbook Bundle, Chapter 9: Security, Section 9.3: Device Security, Page 420

CompTIA A+ Core 1 (220-1101) and Core 2 (220-1102) Exam Cram, Chapter 9: Security, Section 9.3: Device Security, Page 402

A managed switch is a network device that can be configured to create VLANs (Virtual Local Area Networks), which are logical segments of a network that isolate traffic based on criteria such as function, security, or quality of service. A VLAN can be used to isolate voice traffic on the network, which can improve the performance and security of voice over IP (VoIP) applications. A network tap, a hub, and a DSL filter are not capable of creating VLANs.