Free CompTIA A+ 220-1101 Practice Test

Port 995 is the designated port for secure POP3 communications, also known as POP3S or POP3 over SSL/TLS. When configuring an email client to retrieve emails securely via POP3, it should be set to use this port, which facilitates encrypted communication to prevent eavesdropping. Port 110 is used for non-secure POP3 connections. Port 587 is for submitting emails via SMTP securely using STARTTLS. Ports 143 and 993 are typically used for the IMAP protocol, with the latter being the secure version (IMAPS). Port 25 is used for unencrypted SMTP.

Rapid elasticity is exhibited when a cloud service automatically scales to provide additional resources during peak traffic hours without human intervention. It is designed to handle sudden increases in workload or usage patterns smoothly, hence the cloud service accommodating additional holiday website traffic is the correct answer.

Hyper-threading makes multitasking on your system much easier, allowing two or more processes to run using the same resources.

Extended read/write times can often be attributed to disk fragmentation or potential drive failure. Disk fragmentation occurs when a file system cannot lay out the data sequentially, which leads to increased seek times as the drive's read-write head moves to different areas of the disk to access the fragmented files. This process significantly slows down file access times. Alternatively, a hard drive nearing the end of its life could exhibit prolonged read/write times due to wear and mechanical issues obstructing data access speed.

Chassis Intrusion Detection is an option in for some desktop and BIOS systems that can detect when a computer's case has been opened.

When a laser printer's toner does not fuse properly to the paper, the fuser assembly is often responsible because it is the component that applies the heat and pressure necessary to melt and bond the toner to the paper. If the fuser has become faulty, maybe due to reaching its end-of-life or sustaining damage, it won't produce the required heat to complete this bonding process, leading to smudgable toner on prints. While a low toner cartridge may indeed cause faint prints, it would not cause the toner to fail to fuse to the paper. A malfunctioning transfer belt would typically result in color alignment issues or missing colors, not fusing errors. Cold background usually indicates excess toner is present all over the paper, not just where the image forms.

A Platform as a Service (PaaS) is a cloud model that focuses on simplifying software delivery. A PaaS will try to automate everything but the software development itself, including the creation of application servers, configuration of those servers, network setup and possibly even creation of additional services like databases or file storage servers. The ultimate goal of a PaaS is to be so simple a developer can upload their code and it will run without the need of specialized IT operations teams to install, configure, monitor, etc. the application.

A punchdown tool, also known as a krone tool, is specifically designed for seating wire into terminals such as keystone jacks or patch panels. It neatly cuts and terminates the wire with one click, ensuring a secure and reliable connection. Although pliers could be used to cut wires, they are not capable of properly seating wire pairs into the delicate connections of a keystone jack. A wire stripper is used to remove the insulation from the outside of the cable, not to seat and terminate wires. Lastly, a crimper is used for attaching RJ45 connectors to the ends of an Ethernet cable, not for terminating wires into keystone jacks.

The Gateway in a network is the device that acts as the default route for network traffic from a local network to other networks, such as the internet. In a SOHO network, this is typically the router provided by the Internet Service Provider (ISP) or a configured router on the network, and it requires the correct gateway address to route the traffic properly. The gateway address is usually provided by the ISP, and it's essential for ensuring that local devices can communicate with external networks.

Software as a Service (SaaS) is a cloud model that replaces locally used applications and programs with a cloud based, centrally hosted equivalent. An example of this is using Microsoft Office 365's web based email and calendar solutions instead of installing the Outlook program locally. Typically SaaS applications are served as web solutions compatible with any modern browser.

The most important factor that the technician should consider is the type and speed of the RAM supported by the laptop's motherboard. RAM modules can vary by their standard, such as DDR3 or DDR4, and their speed, measured in MHz. Using a module that is not supported by the motherboard can either lead to suboptimal performance or, more likely, the laptop will not function with the incompatible RAM installed.

The SC (Subscriber Connector) is often used in legacy network environments due to its push-pull design which offers good pull strength and durability, making it a great choice for installations where these attributes are valued. While the LC connector is popular in modern installations due to its smaller form factor, the SC connector aligns most closely with the criteria specified, favoring legacy support and robustness.

A private cloud is designed to serve a single organization with dedicated resources, providing enhanced control and security. In contrast, shared resources are more characteristic of public or hybrid cloud models where infrastructure is distributed among multiple tenants.

Near Field Communication (NFC) is the standard wireless protocol behind wireless payment options such as Android Pay and Apple Pay.

The technician should not proceed with the installation of a battery with a different voltage rating. Laptop batteries are designed to operate within a specific voltage range and using a battery with a different voltage rating can result in damage to the laptop's internal components, reduced performance, or even safety hazards. It is vital to match the voltage rating of the replacement battery to the one specified by the laptop manufacturer.