A bad computer motherboard or CPU can cause an assortment of different issues on your computer. Below are just a few of the possible issues you may encounter. It is important to remember that the issues below can also be caused by more than just a bad motherboard and CPU.
Posts Tagged: CompTIA
CompTIA A+ | Microsoft MTA O/S: Heat sink
A heat sink is an electronic device that incorporates either a fan or a peltier device to keep a hot component such as a processor cool.
CompTIA A+| Microsoft MTA O/S: Fan
A hardware device that keeps the overall computer or a computer device cool by circulating air to or from the computer or component. The picture is an example of a fan on a heat sink.
CompTIA A+ | Microsoft MTA O/S: Chipset
A chipset is a group of microchips that are designed to work with one or more related functions that were first introduced in 1986 when Chips and Technologies introduced the 82C206.
CompTIA A+ | Microsoft MTA O/S: What is the difference between BIOS and CMOS?
The BIOS and CMOS are often times thought to be the same thing, but they are not.
CompTIA A+ | Microsoft MTA O/S: Northbridge and Southbridge
Southbridge The southbridge is an IC on the motherboard responsible for the hard drivecontroller, I/O controller and integrated hardware. Integrated hardware can include the sound card and video card if on the motherboard, USB, PCI, ISA, IDE, BIOS, andEthernet.
CompTIA A+ | Microsoft MTA O/S: Super I/O
Short for super input/output or Super I/O, SIO is anintegrated circuit on a computer motherboard that handles the slower and less prominent input/output devices shown below.
CompTIA A+ | Microsoft MTA O/S: Parallel port
Less commonly referred to as the Centronics interface or Centronics connectorafter the company that originally designed it, the port was later developed by Epson.
CompTIA A+ | Microsoft MTA O/S: Game control adapter
Originally known as the Analog-to-Digital port (A-to-D port), the as a game port, joystick port, or game control adapter is a 15-pin connector port first found onIBM computers in 1981.
CompTIA A+ | Microsoft MTA O/S: Notebook and Desktop Memory
What Is Memory, or RAM? System memory, frequently called main memory or RAM (Random Access Memory), is a type of computer memory that can be accessed randomly.
CompTIA Network+ | Microsoft MTA Networking: Common Security Threats
Source mc mcse Certification Resources DoS (Denial of Service) – A DoS attack is a common type of attack in which false requests to a server overload it to the point that it is unable to handle valid requests, cause it to reset, or shut it down completely.
CompTIA Network+ | Microsoft MTA Networking: Issues That Affect Device Security
Source mc mcse Certification Resources Physical Security – physical security is just as it sounds, locks on the doors, cameras everywhere, and so forth.
CompTIA Network+ | Microsoft MTA Networking: Methods of User Authentication
User authentication is the verification of an active human-to-machine transfer of credentials required for confirmation of a user’s authenticity; the term contrasts with machine authentication, which involves automated processes that do not require user input. Source mc mcse Certification Resources PKI (Public Key Infrastructure) – A public key infrastructure (PKI) is the combination of software,… Read more »
CompTIA Network+ | Microsoft MTA Networking: Network Access Security
Source mc mcse Certification Resources ACL (Access Control List) – An ACL is a table in an operating system or network device (such as a router) that denies or allows access to resources.
CompTIA Network+ | Microsoft MTA Networking: Hardware Tools
Source mc mcse Certification Resources Cable Testers – Cable testers are electronic devices used to test a cable’s integrity by checking for opens and shorts which can cause connectivity problems.
CompTIA Network+ | Microsoft MTA Networking: Firewalls
Source mc mcse Certification Resources Application Layer vs. Network Layer – An application layer firewall works at the application layer of a protocol stack.
CompTIA Network+ | Microsoft MTA Networking: Troubleshoot Common Connectivity Issues and Select an Appropriate Solution
Source mc mcse Certification Resources Crosstalk Symptoms: Slow network performance and/or an excess of dropped or unintelligible packets. In telephony applications, users hear pieces of voice or conversations from a separate line.
CompTIA Network+ | Microsoft MTA Networking: Implement the Following Network Troubleshooting Methodology
Source mc mcse Certification Resources Gather Information on the Problem In a contact center network, problems are typically discovered and reported by one of the following types of users:
CompTIA Network+ | Microsoft MTA Networking: Parameters Influencing Quality of Service(QOS)
Source mc mcse Certification Resources Bandwidth – is the average number of bits that can be transmitted from the source to a destination over the network in one second.
CompTIA Network+ | Microsoft MTA Networking: Different Methods and Rationales for Network Performance Optimization
Source mc mcse Certification Resources Quality of Service – (QoS) is a set of parameters that controls the level of quality provided to different types of network traffic.
CompTIA Network+ | Microsoft MTA Networking: OSI model
The Open Systems Interconnection model (OSI model) is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to their underlying internal structure and technology.
CompTIA Network+ | Microsoft MTA Networking: Specialized Network Devices
Multilayer Switch – A multilayer switch (MLS) is a computer networking device that switches on OSI layer 2 like an ordinary network switch and provides extra functions on higher OSI layers.
CompTIA Network+ | Microsoft MTA Networking: Common Network Devices
Hub – A physical layer network device used to connect multiple Ethernet devices together.
CompTIA Network+ | Microsoft MTA Networking: Install components of Wiring Distribution
Vertical Cross Connect – is a location within a building where cables originate and / or are terminated, reconnected using jumpers or pass throughs or are connected to patch panels or other similar devices where the locations are from upper or lower floors in the building.
CompTIA Network+ | Microsoft MTA Networking: Common Logical Network Topologies
[bs_icon name=”glyphicon glyphicon-chevron-right”] Peer to Peer – A peer to peer network is one in which lacks a dedicated server and every computer acts as both a client and a server.
CompTIA Network+ | Microsoft MTA Networking: LAN Technology Types and Properties
Ethernet – Ethernet is the most widely-installed local area network ( LAN) technology.
CompTIA Network+ | Microsoft MTA Networking: WAN Technology Types and Properties
[bs_icon name=”glyphicon glyphicon-chevron-right”] Frame Relay – Frame relay is a secure, private network that utilizes a logical path or “virtual circuit” to allocate bandwidth for high performance transmissions.
CompTIA Network+ | Microsoft MTA Networking: Wiring Standards
568A and 568B – The number 568 refers to the order in which the individual wires inside a CAT 5 cable are terminated.
CompTIA Network+ | Microsoft MTA Networking: Standard Cable Types and Their Properties
Cable Types :
CompTIA Network+ | Microsoft MTA Networking: Characteristics of Wireless Standards
Wireless networks allow computers to comunicate without the use of cables using IEEE 802.11 standards, also known as Wi-Fi.
CompTIA Network+ | Microsoft MTA Networking: Common Physical Network Topologies
[bs_icon name=”glyphicon glyphicon-chevron-right”] Introduction To Network
CompTIA Network+ | Microsoft MTA Networking: Properties of Routing
[bs_icon name=”glyphicon glyphicon-chevron-right”] The Purpose and Properties of Routing
CompTIA Network+ | Microsoft MTA Networking: Common IPv4 and IPv6 Routing Protocols
Common IPv4 and IPv6 Routing Protocols
CompTIA Network+ | Microsoft MTA Networking: Addressing Technologies
Proper Use of Addressing Technologies
CompTIA Network+ | Microsoft MTA Networking: IP Address Formats
Identify the Following Address Formats
CompTIA Network+ | Microsoft MTA Networking: Command Line Interface Tools
Traceroute – A command-line troubleshooting tool that enables you to view the route to a specified host. This will show how many hops the packets have to travel and how long it takes. In Windows operating systems, the command used is “tracert”.
CompTIA Network+ | Microsoft MTA Networking: Common Networking Protocols
Common Networking Protocols
CompTIA Network+ | Microsoft MTA Networking: Troubleshooting
Here are the steps for troubleshooting a network
CompTIA Sec+ | Microsoft MTA Security: Types of Wireless Attacks Part 2
The Types of Wireless Attacks Part 2 CompTIA Security+ Objective 1.2 WPS Attacks Wi-Fi Protected Setup (WPS) allows users to configure a wireless network without typing in the passphrase. Instead, users can configure devices by pressing buttons or by entering a short personal identification number (PIN). For example, a user can configure a new wireless… Read more »
CompTIA Sec+ | Microsoft MTA Security: Types of Wireless Attacks
The Types of Wireless Attacks Part 1 CompTIA Security+ Objective 1.2 Replay Attacks A replay attack occurs when an attacker copies a stream of messages between two parties and replays the stream to one or more of the parties. Unless mitigated, the computers subject to the attack process the stream as legitimate messages, resulting in a range… Read more »
CompTIA and Immersive Labs Issue A Pen Test Challenge
CompTIA and Immersive Labs are challenging cybersecurity professionals in the United States and United Kingdom to test their penetration testing skills this month. The two organizations launched the pen test challenge on the opening day of RSA® Conference 2019. “Penetration testing, if done right, is a proven and valuable activity that all organizations should engage… Read more »
CompTIA Sec+ | Microsoft MTA Security: Most Common Application/Service Attacks Part 2
The nature of cyberattacks is constantly in flux, always evolving to keep pace with the times. Hacking of websites, theft of credit card information and other personal information has become an almost daily occurrence, along with illegal remittances via Internet banking. Recent years have witnessed the accelerating dissemination of new technologies such as IoT… Read more »
CompTIA Sec+ | Microsoft MTA Security: Most Common Application/Service Attacks Part 1
“Richard Clarke, a former counter-terrorism expert for the United Government, once said, “If you spend more on coffee than on IT security, you will be hacked. What’s more, you deserve to be hacked”. While the latter is a tad harsh (we wouldn’t wish a cyber attack on anyone!), the former is certainly true.” If you… Read more »
CompTIA Sec+ | Microsoft MTA Security: Exam prepration and Questions
1. Your manager asks you to implement a system that can filter out unwanted content, such as viruses and unproductive Internet content. The best way to accomplish this would be through a system that implements a:
CompTIA Sec+ | Microsoft MTA Security: Certification Cram Guide & Study Notes
In this cram guide, we would like to give you some short tips on what to study for the Security+ exam to ensure a great score.
CompTIA Sec+ | Microsoft MTA Security: Security Topologies
One of the most essential portions of information security is the design and topology of secure networks. What exactly do we mean by “topology?” Usually, a geographic diagram of a network comes to mind.
CompTIA Sec+ | Microsoft MTA Security: Email and Application Security
Some of the Security+ exam will test you on your knowledge of some basic email, Internet, and application security issues. Although the amount of detail of knowledge that is required is quite minimal, you must still have a working knowledge of some simple email and application security concepts.
CompTIA Sec+ | Microsoft MTA Security: Organizational Security
Physical Security Physical security refers to the aspects of information security that are related to physical threats, such as fire or natural disasters. We will cover some basic physical security threats below:
CompTIA Sec+ | Microsoft MTA Security: Public Key Cryptography
Public Key Cryptography is a widely-applied form of cryptography commonly utilized in many network transactions.
CompTIA Sec+ | Microsoft MTA Security: Symmetric Key Cryptography
In here we will learn about different symmetric key algorithms and their key features. More importantly, we will learn about some more key concepts related to cryptography as it applies to both symmetric and asymmetric algorithms.
