CompTIA Updated 220-1101 Exam Questions and Answers by zak

Infrastructure as a Service (IaaS) provides virtualized computing resources over the internet, including virtualized hardware, storage, and networking components. It offers the infrastructure on which clients can install their operating systems and applications, providing an equivalent to physical hardware environments. This allows developers and businesses to develop and run their solutions without managing physical servers. SaaS delivers software applications over the internet, PaaS provides a platform allowing customers to develop, run, and manage applications, and DBaaS offers database services in the cloud.

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CompTIA A+ Core 1 Exam Objectives Section 4.1: Summarize cloud computing concepts.

Two-factor authentication (2FA) significantly enhances security by requiring two forms of verification before granting access to company resources, making it harder for unauthorized users to gain access even if they have one of the credentials. PIN code enforcement adds an additional layer of security by ensuring that devices are protected by a PIN, making physical access to the device more challenging for unauthorized users. While the other options provide various benefits, 2FA and PIN code enforcement directly enhance the security of remote users accessing company resources.

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CompTIA A+ Core 1 Exam Objectives Section 2.7: Compare and contrast Internet connection types, network types, and their features.

The IP address 192.168.1.56 is within the private IP address range (192.168.0.0 to 192.168.255.255) and is appropriate for use in an internal network utilizing NAT (Network Address Translation). The other IP addresses provided (172.15.65.10, 175.16.20.3, and 193.167.35.4) are either public IP addresses or not in the private IP range suitable for an internal network using NAT.

If a desktop PC shuts down suddenly and there is a burning smell coming from the area where it is connected to the wall socket, the first step should be to check that the power cable is not damaged. A damaged power cable can cause electrical shorts or overheating, leading to sudden shutdowns and a burning smell. Inspecting the power cable for fraying, cuts, or other damage can help identify if it is the source of the problem.

References:

CompTIA A+ Core 1 (220-1101) Exam Objectives, specifically the sections on troubleshooting hardware components and power-related issues, which would include assessing external factors such as the condition of power cables.

Basic electrical safety and troubleshooting principles, emphasizing the importance of checking power connections and cables when faced with symptoms of electrical issues.