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

A custom hosts file is a file that maps hostnames to IP addresses, allowing the user to access websites or servers by their names instead of their numerical addresses. For example, a user can add a line like 192.168.1.100 myserver.local to their hosts file and then access the server by typing myserver.local in their browser. However, this method only works if the IP address of the server does not change. If the server is configured with a dynamic IP address, which means it can be assigned a different IP address by the network router or DHCP server, then the hosts file entry will become invalid and the user will not be able to connect to the server by its hostname. Therefore, the technician should ensure that the server is configured with a static IP address, which means it has a fixed and permanent IP address that does not change. This way, the hosts file entry will always point to the correct IP address of the server and the user will be able to ping the server hostname from their computer.

References:

How to Add a Local DNS Lookup to Hosts File - Help Desk Geek1

Set Custom Domain Name for localhost Website in IIS - TutorialsTeacher.com2

The Official CompTIA A+ Core 1 Student Guide (Exam 220-1101) eBook, page 4-9

A type II hypervisor is a software application that runs on top of a host operating system and creates virtual machines that are isolated from the host. A type II hypervisor provides the highest level of isolation from the host operating system because it does not have direct access to the hardware resources and relies on the host operating system for drivers and services. A type II hypervisor also allows the guest operating systems to run different types of operating systems than the host.

References: The Official CompTIA A+ Core 1 Student Guide (Exam 220-1101) eBook, page 223

A smart card provides an additional factor of authentication by storing secure credentials, such as certificates, that cannot be guessed or replicated. It complements user accounts and is "something you have".

Why Not A (Fingerprint reader): This is "something you are", but the scenario specifically requires a physical token.

Why Not C (Secure token): Secure tokens are also valid but may not integrate as seamlessly into multi-factor authentication for physical and system access.

Why Not D (NFC scanner): An NFC scanner is a device and not a token itself; it reads cards or other credentials.

CompTIA A+ Exam Reference: Core 2 (220-1102), Section 2.5, access controls​.

Metered utilization is a pricing model for cloud computing services, where the customer pays only for the amount of resources that are consumed, such as CPU time, memory, storage, bandwidth, etc. The customer is billed based on the actual usage of the resources, rather than a fixed or upfront fee. Metered utilization is also known as usage-based pricing or pay-per-use12.

Pay-as-you-go is an example of metered utilization, where the customer pays for the cloud resources on demand, without any long-term commitment or contract. The customer can scale up or down the resources as needed, and only pay for what is used. Pay-as-you-go is a flexible and cost-effective option for customers who have unpredictable or variable workloads, or who want to try out new services or features12.

The other options are not examples of metered utilization. Reserved instance is a pricing model where the customer pays a discounted rate for a fixed amount of cloud resources for a specified period of time, such as one or three years. The customer can reserve the resources in advance, and benefit from lower costs and guaranteed availability. Reserved instance is suitable for customers who have predictable or steady workloads, or who want to optimize their budget12.

Subscription-based is a pricing model where the customer pays a fixed fee for a set of cloud services or features for a certain period of time, such as monthly or annually. The customer can access the services or features as much as needed, without worrying about the usage or consumption of the resources. Subscription-based is suitable for customers who want to have a consistent and predictable cost, or who want to access premium or exclusive services or features12.

Multitenant is not a pricing model, but a cloud architecture where multiple customers share the same physical or virtual resources, such as servers, databases, applications, etc. The resources are isolated and secured for each customer, and the customers can benefit from lower costs, higher scalability, and faster updates. Multitenant is a common characteristic of public cloud services, where the cloud provider manages and maintains the resources for the customers12.

References:

CompTIA A+ Core 1 (220-1101) Certification Study Guide, Chapter 4: Cloud Computing and Virtualization, Section 4.2: Cloud Computing Concepts, Page 261

CompTIA A+ Core 1 (220-1101) and Core 2 (220-1102) Exam Cram, Chapter 6: Cloud Computing and Virtualization, Section 6.2: Cloud Computing Concepts, Page 241

RAID 10 is a combination of RAID 1 and RAID 0, which provides both performance and redundancy. RAID 1 mirrors data across two or more disks, while RAID 0 stripes data across two or more disks. RAID 10 combines these two methods to create a mirrored stripe set, which can tolerate multiple disk failures as long as they are not in the same mirror. RAID 10 requires at least four disks and offers better performance than RAID 5, which uses parity to provide redundancy. References: https://www.comptia.org/blog/what-is-raid-0-1-5-6-10

The correct answers are C. Pickup roller and D. Separation pad.

A pickup roller is a rubber wheel that grabs the paper from the paper tray and feeds it into the printer. A separation pad is a small piece of cork or rubber that prevents more than one sheet of paper from being fed at a time. If the pickup roller or the separation pad is worn out, dirty, or damaged, it can cause the printer to pull multiple sheets of paper instead of a single sheet. This can lead to paper jams, misprints, or wasted paper.

To resolve this issue, a technician should investigate the condition of the pickup roller and the separation pad and replace them if necessary. The technician should also clean the paper tray and make sure the paper is loaded correctly and not stuck together.

A toner cartridge is a component that contains the toner powder used to create the printout on a laser printer. A tractor feed is a mechanism that uses sprockets to move continuous paper through a dot matrix printer. A duplexer is a device that allows a printer to print on both sides of the paper automatically. A fuser is a part of a laser printer that melts the toner onto the paper using heat and pressure. None of these components are related to the issue of pulling multiple sheets of paper from the paper tray.

Shared resources is the concept that allows several websites from different companies to be housed on the same virtual server. A virtual server is a software-based server that runs on a physical server and can host multiple virtual machines (VMs). Each VM can run a different operating system and application, such as a website, and have its own allocated resources, such as CPU, memory, disk space, and network bandwidth. However, the VMs share the underlying hardware resources of the physical server, which reduces the cost and complexity of maintaining separate servers for each website. This also enables rapid scalability, as new VMs can be created or deleted as needed.

One of the methods to host multiple websites on the same virtual server is to use virtual hosts. Virtual hosts are a feature of web servers, such as Apache, that allow the web server to serve different websites based on the domain name or IP address requested by the client. For example, a web server can host two websites, a.example.com and b.example.com, on the same virtual server and the same port (such as 80 or 443), by using virtual hosts to map each domain name to a different document root directory. The web server will then deliver the content of the corresponding website to the client based on the domain name in the HTTP request header.

References:

How to Host Multiple Websites With One Apache Server1

How to run multiple sites on one apache instance2

Multiple different website hosting on same port 443 and same server or …3

When several name-based virtual hosts on the same web server share the …4

How to Host Multiple Sites on One Server - Server Mania5

The correct answer is A. Number of DIMM slots.

The number of DIMM slots on a motherboard determines how much RAM can be installed on the system. RAM is a crucial component for running multiple large applications at the same time, as it allows the CPU to access data faster and avoid swapping to the hard drive. Having more DIMM slots means that more RAM can be added, which can improve the performance and responsiveness of the system.

B. Number of HDMI ports. This is not a correct answer. The number of HDMI ports on a motherboard determines how many monitors can be connected to the system. HDMI ports are used for video and audio output, but they do not affect the performance of the system when running multiple large applications.

C. Number of PCI slots. This is not a correct answer. The number of PCI slots on a motherboard determines how many expansion cards can be installed on the system. PCI slots are used for adding devices such as sound cards, network cards, or graphics cards, but they do not affect the performance of the system when running multiple large applications.

D. Number of USB ports. This is not a correct answer. The number of USB ports on a motherboard determines how many peripherals can be connected to the system. USB ports are used for connecting devices such as keyboards, mice, printers, or external drives, but they do not affect the performance of the system when running multiple large applications.