CompTIA A+ Certification - Core 1 (V15) - (220-1201) Exam Questions

OBJ 3.4: In this scenario, a gigabit NIC will help handle the heavy network load created by sharing large files over the network. Data protection needs to use a RAID 1, RAID 5, or RAID 10 configuration to protect against any potential data loss caused by a single hard disk drive failure. RAID 5 is the most commonly used RAID for servers. A RAID 5 requires a minimum of 3 hard disk drives and can continue to operate as long as 2 of the 3 drives are functional. For support or reporting issues, include Question ID: 63fe05143b7322449ddbb0bb in your ticket. Thank you.

OBJ 3.2 - A Cat 5e cable should use an RJ-45 connector on each end of the cable. This is the standard type of connector for twisted pair network cables. RJ-11 connectors are used to terminate telephone lines. F-type connectors are screw-type connectors that are used to terminate coaxial cables. DB-25 is a D-shaped subminiature connector used to terminal serial cables and connections. For support or reporting issues, include Question ID: 63fe04fd3b7322449ddbafa1 in your ticket. Thank you.

OBJ 3.3: Laptops and integrated PCs usually use SODIMM memory due to the memory module's smaller footprint. A small outline dual inline memory module (SODIMM) can be purchased in various types and sizes to fit any laptop, router, or other small form factor computing device. For the exam, if you are ever asked about installing memory in a small form factor device or a laptop, the answer will usually be SODIMM. A dual in-line memory module (DIMM) comprises a series of dynamic random-access memory integrated circuits. A DIMM is used in workstations and printers due to its larger size and shape. SDRAM (synchronous DRAM) is a generic name for various kinds of dynamic random access memory (DRAM) that are synchronized with the clock speed that the microprocessor is optimized for. This tends to increase the number of instructions that the processor can perform at a time. Rambus dynamic random access memory (RDRAM) is a memory subsystem designed to transfer data at faster rates. RDAM is made up of random access memory (RAM), a RAM controller, and a bus path that connects RAM to microprocessors and other PC devices. Rambus has not been used for several years and is considered a legacy technology. For support or reporting issues, include Question ID: 63fe04a03b7322449ddbab23 in your ticket. Thank you.

OBJ 4.2: Infrastructure as a Service (IaaS) is a cloud computing service that enables a consumer to outsource computing equipment purchases and run their own data center. If you purchase a server in the cloud and then install and manage the operating system and software, this is IaaS. Platform as a Service (PaaS) is a cloud computing service that enables consumers to rent fully configured systems that are set up for specific purposes. Software as a Service (SaaS) is a cloud computing service that enables a service provider to make applications available over the Internet to end-users. This can be a calendar, scheduling, invoicing, word processor, database, or other programs. For example, Google Docs and Office 365 are both word processing SaaS solutions. Security as a service is a business model in which a service provider integrates their security services into a corporate infrastructure on a subscription basis more cost-effectively than most individuals or corporations can provide on their own when the total cost of ownership is considered. For support or reporting issues, include Question ID: 63fe054b3b7322449ddbb355 in your ticket. Thank you.

OBJ 4.2: A private cloud is dedicated to a single organization, offering greater security, control, and compliance compared to public cloud environments. A public cloud provides resources to multiple organizations and individuals, reducing control and security. A community cloud is shared among multiple organizations with common interests or regulatory requirements. Hybrid clouds combine elements of both public and private clouds but do not provide the same level of dedicated control as a private cloud. For support or reporting issues, include Question ID: 6797350da7a62dd7fe063c84 in your ticket. Thank you.

The 5.0 GHz frequency supports higher data rates than the 2.4 GHz frequency due to lower levels of congestion and interference. The 5.0 GHz frequency has more individual channels giving it less congestion and interference than the 2.4 GHz frequency. The 2.4 GHz frequency has a longer wavelength than the 5.0 GHz frequency. The longer wavelength gives it the ability to cover a longer range using the same power output levels. The longer wavelength of 2.4 GHz makes it better at propagating through solid surfaces than the 5.0 GHz frequency. For support or reporting issues, include Question ID: 63fe04f13b7322449ddbaf03 in your ticket. Thank you.

Based on the description, the battery is defective and swelling. Swollen batteries, while not common, are a significant risk. They result from too much current inside a cell of the battery, which causes a build-up of heat and gas. This can be caused by overcharging, manufacturer defects, deep discharge, or damage to the battery. The most common cause is an overcharge of the battery, which causes a chemical reaction between the electrodes and the electrolyte, resulting in the release of heat and gases that expand inside the battery, causing the casing to swell or split open. If a battery begins to bulge, swell, or split, it should immediately be replaced. For support or reporting issues, include Question ID: 63fe05893b7322449ddbb656 in your ticket. Thank you.

OBJ 3.6: A redundant power supply is when a single piece of computer equipment operates using two or more physical power supplies. Each of the power supplies will have the capacity to run the device on its own, which will allow it to operate even if one goes down. If a critical device needs to achieve a 99.999% uptime, it means that the device can only be down or offline for about 5 minutes per year. To achieve this, redundant power supplies will be required. A modular power supply will allow the user to attach or detach cables to the power supply as needed. This helps reduce the cable clutter inside of the case and increases airflow for cooling. A 750-watt power supply is commonly used in gaming computers since they have high-powered graphics cards, not servers. A dual voltage power supply is not needed for a server since a server is unlikely to travel from one country to another on a routine basis. For support or reporting issues, include Question ID: 63fe04fe3b7322449ddbafac in your ticket. Thank you.

OBJ 3.7: Duplex printing is a feature of some computer printers, multi-function printers (MFPs), and copy machines that allows the printing of a sheet of paper on both sides automatically. Without this capability, print devices can only print on a single side of the paper, sometimes called single-sided printing or simplex printing. With duplex printing, information is printed on the front side of a piece of paper, and then the paper is automatically fed back through the printer to print the information on the backside of the paper. Page orientation is how a rectangular page is oriented for normal viewing. The two most common types of orientation are portrait (taller rather than wider) and landscape (wider rather than taller). The collate setting allows the gathering and arranging of individual sheets or other printed components into a predetermined sequence. Collating creates consistent, logical sets from multiple parts, such as printing a series of pages in a report like pages 1, 2, and 3 before printing the second copy. This makes it easier to staple and distribute to people after coming out of the printer. The term transparency was made up as a distractor for this question. For support or reporting issues, include Question ID: 63fe05173b7322449ddbb0d5 in your ticket. Thank you.

OBJ 1.3: IMAP with SSL/TLS encryption ensures that email communication is secure by encrypting data during transmission. Port 993 is commonly used for IMAP over SSL/TLS, providing secure remote access to email. For support or reporting issues, include Question ID: 67973caf1fa68cb9f17d1bc2 in your ticket. Thank you.