CompTIA Updated 220-1101 Exam Questions and Answers by dulcie

Solid-state drives (SSDs) are the best choice for laptops that are likely to drop while working, as they have no moving parts and are more resistant to shock and vibration than hard-disk drives (HDDs). SSDs also offer faster performance, lower power consumption, and less noise and heat than HDDs. SSDs use flash memory chips to store data, unlike HDDs that use spinning platters and read/write heads. SSDs can be connected to laptops using various interfaces, such as SATA, PCIe, or NVMe.

The other options are not suitable for this scenario. S.M.A.R.T (Self-Monitoring, Analysis, and Reporting Technology) is a feature that monitors the health and performance of HDDs and SSDs, but it does not prevent damage from dropping. SCSI (Small Computer System Interface) is an interface that connects various devices, such as HDDs, SSDs, scanners, and printers, to a computer, but it is not commonly used in laptops. RAID (Redundant Array of Independent Disks) is a system that combines multiple HDDs or SSDs into a single logical unit, providing redundancy, performance, or both, but it is not feasible or practical to implement RAID in a laptop.

References:

CompTIA A+ Certification Exam Core 1 Objectives1

The Official CompTIA A+ Core 1 Student Guide (Exam 220-1101) eBook2

The Best SSDs for Upgrading Your Laptop in 2023 | PCMag3

A DHCP (Dynamic Host Configuration Protocol) server is a server type that can dynamically assign IP addresses and other network configuration parameters to clients, such as primary and secondary DNS (Domain Name System) servers. DNS servers are responsible for resolving hostnames to IP addresses and vice versa. A global catalog server, a web server, and a name server are not involved in DHCP operations.

One of the possible causes of the error message “No input source” is that the LCD projector is not receiving any signal from the connected device, such as a laptop1. This could be due to a loose or faulty cable or connector, or an incorrect input source selected on the projector2. Therefore, the first troubleshooting step that the technician should take is to check the physical cabling and make sure it is properly connected and secured12.

A firewall is a network device that performs stateful packet inspection, which means it analyzes incoming and outgoing network traffic based on predefined rules and filters, and allows or blocks packets based on their source, destination, protocol, port, or content. A firewall can enhance security by preventing unauthorized access, blocking malicious traffic, enforcing policies, and logging events. A firewall can be hardware-based or software-based, or a combination of both. Reference: https://www.comptia.org/training/books/a-core-1-220-1101-study-guide (page 78)