Installation

  • Fiber-optic cables use optical fibers to carry digital data signals in the form of modulated pulses of light.
  • Enhanced Capabilities Port (ECP) is a high-speed parallel port developed by Hewlett-Packard and Microsoft in 1992. It offers improved performance for the parallel port and requires special hardware logic. ECP ports support high throughput communications.
  • It is recommended to verify the hardware on the Linux hardware compatibility list before installing the operating system on a computer.
  • The BNC connectors are required to join the network interface card in the computer with the coaxial network cable.
  • Before installing Linux on a new computer, it is recommended to verify that each device is listed in the Hardware Compatibility List (HCL).
  • An Error Correcting Code (ECC) memory module detects and corrects single-bit errors in memory.
  • To get a glimpse of the CompTIA Linux+ certification PrepKit, you can download its free demo version (which contains 15 free practice questions) from uCertify’s web site. Click the link below:

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Q. What is the pre-requisite for taking the test Cisco 640-822?

A. The ICND1 (640-822) exam is the only requirement for achieving the latest entry-level CCENT certification from Cisco. It is also one of the two exams for achieving the CCNA certification. You now have to pass exams 640-822 and 640-816 if you opt for the two exams for your CCNA certification. The exam tests your ability to install, operate, and troubleshoot a small branch office network. There are no specific prerequisites for the ICND1 (640-822) test, and it is appropriate for you if you have knowledge in networking fundamentals, basic security and wireless concepts, routing and switching fundamentals, the TCP/IP and OSI models, IP addressing, WAN technologies, implementing NAT and DHCP, configuring simple networks, etc. This test is suitable for you if you want to work as a Network administrator, System Analyst or Network Support Professional.

Pass CCNA certification exam in first attempt. Download latest exam simulation, questions, tutorial and study guide for CCNA certification exam

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Describe how a network works

  • A successful PINGing of a host exhibits the connectivity through layers 1, 2, and 3 of an OSI network model.
  • Simple Mail Transfer Protocol (SMTP) and Telnet are application layer protocols of the Internet protocol (IP) suite.
  • Cable modem is used to connect a CATV cable to a computer/router through an Ethernet interface.
  • A Wireless Access Point (WAP) is used to connect wireless hosts to a wired LAN.
  • The Gigabit Ethernet (1000Base-LX) standard supports a maximum cable length of 5000 meters.
  • The 1000Base-LX/SX Ethernet types use fiber cables.
  • The Session layer of the OSI model manages communication between communication entities in a network.
  • The Session layer of the OSI model provides dialog management and assists the upper layers in connecting to services on the network.
  • To get a glimpse of the CCNA certification exam PrepKits, download its free demo version (which contains 15 free practice questions). Click the link below:

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The CompTIA A+ is being updated and from September 2006 candidates will have to take the CompTIA A+ Essential exam along with the CompTIA A+ 220-602 exam to gain CompTIA A+ credentials for A+ certified IT Technician. The CompTIA A+ 220-602 exam will focus on how to apply technology skills in specific job environments, such as IT Technician, IT Administrator, Service Technician, Field PC Technician, or Computer Technician. With the introduction of the 2006 A+, candidates will have to lay emphasis on Windows 2000, XP, and 2003 versions. The new pattern of CompTIA A+ IT Technician has specified more than twenty objectives, which are grouped under eight topics. Following are some important areas in which an individual should possess good knowledge before taking the 220-602 IT Technician test:

  1. Adding, removing, and configuring personal computer components.
  2. Performing preventive maintenance of personal computer components.
  3. Identifying appropriate applications for laptop-specific communication connections such as Bluetooth, infrared, cellular WAN, and Ethernet.
  4. Identifying appropriate laptop-specific power and electrical input devices and determining how amperage and voltage can affect performance.
  5. Using command-line functions and utilities, including proper syntaxes and switches, to manage operating systems.
  6. Pass A+ certification exam in first attempt. Download latest exam simulation, questions, tutorial and study guide for A+:

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Personal Computer Components

  • If two drives are attached to one controller in a computer, one drive should be set as Master and the other as Slave.
  • If you are unable to open the CD-ROM drive tray by pushing the Eject button on the front panel, open it by inserting a pin into the eject hole on the CD-ROM drive.
  • Secure Digital (SD) card is a non-volatile memory card format used in portable devices such as mobile phones, digital cameras, and handheld computers.
  • CD-ROM, SD card, USB Pen drive, floppy disk, etc., are removable storage media.
  • The serial port comes with two types of connectors, 9-pin and 25-pin. It sends data one bit at a time, over a single wire.
  • A standard IDE/EIDE drive cable has 40 wires.
  • Direct Memory Access (DMA) optimizes the I/O transfer speed in a computer.
  • Pass A+ certification exam in first attempt. Download latest exam simulation, questions, tutorial and study guide for A+:

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    Fundamental Object-Oriented Concepts

  • In Java, a narrowing conversion is also known as an explicit type conversion or casting.
  • A byte can represent values between -128 to 127.
  • An array, in Java, is an ordered collection of primitives, object references, or other arrays. All the elements of an array must be of the same type, except in case of polymorphism.
  • Array elements are initialized to default values, wherever they are created.
  • The increment operator can be used in either of the two forms given below:
    1. Prefix form: In the prefix form, it appears before the operand. For example, ++a;
    2. Postfix form: In the postfix form, it appears after the operand. For example, a ++;
  • Numeric promotions are used to convert the operands in a numeric expression to a common type before an operation is performed between the operands.
  • In Java, there are two kinds of numeric promotions as follows:
    1. Unary numeric promotion
    2. Binary numeric promotion
  • Pass SCJA Certification Java 1.2 in a first attempt:

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    uCertify, (May 16, 2009) uCertify has released its exam preparation kit/exam simulation software for the Network+ (2009) certification, which is among the top certifications today.

    Getting certified requires dedication and hard work, and is not as difficult as some make it out to be. You just need the right study material clubbed with effective techniques that can save your time and allow you to focus on your studies to succeed in your certification exams. uCertify is proud to offer the most sophisticated and realistic, yet ultra simple test preparation software platform available in the market.

    You can download the latest version of the PrepKit from here:

    http://www.ucertify.com/exams/CompTIA/N10-004.html

    uCertify is also offering 15% discount if you buy before 31st May. Use Discount code “NET009” in the Order page to avail the discount.

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    Microsoft’s MCTS: Windows Vista, Configuration (Microsoft Certified Technology Specialist: Windows Vista, Configuration) certification is the latest certification on the Windows Vista technology offered by Microsoft. The MCTS: Windows Vista, Configuration certification has been designed for professionals who have a thorough knowledge in installing, managing, and configuring Windows Vista. The skills that are required also include configuration of the new features in Windows Vista such as security, network and applications.

    What are the job roles for MCTS: Windows Vista, Configuration certified professionals?

    The job roles for MCTS: Windows Vista, Configuration certified professionals typically include system administrators, network administrators, or technical support specialists.

    What are the benefits of attaining the MCTS: Windows Vista, Configuration certification?
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    Q. What is the pre-requisite for taking the test 70-297?

    A. The test is appropriate for you if you are working or want to work in a typically complex computing environment of medium-to-large organizations. There are no specific prerequisites for this test, although it is recommended that you have at least one year of experience implementing and administering network operating systems in network environments.

    Q. What certification does it provide?
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    Microsoft’s MCSA (Microsoft Certified Systems Administrator) on Windows Server 2003 certification is popular Microsoft certifications today. The MCSA on Windows Server 2003 certification has been designed for professionals who analyze the business requirements and design and implement solutions for business based on the Microsoft Windows OS clients and Windows 2003 Server operating systems.

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