CompTIA-E2C-Strata-IT-Technology-(JK0-U31).pdf - CompTIA...

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JK0-U31 CompTIA CompTIA E2C Strata IT Technology
instead of 2.5 volts used in DDR SDRAM. This results in less power consumption. DDR2 SDRAM transfers 64 bits of data twice every clock cycle. DDR2 SDRAM memory is not compatible with DDR SDRAM memory slots. Answer option B is incorrect. A smart card reader is an interface device, which is used to read information from or write information to a smart card. It does not use flash memory technology. QUESTION: 26 2 Which of the following statements about the DVI-D connector are true? Each correct answer represents a complete solution. Choose three. A. It is used only for digital signal connections. B. Its single link connector contains 18 pins. C. It is used for both digital and analog signal connections. D. Its dual link connector contains 24 pins. Answer: D, A, and B Explanation: The DVI-D is a type of DVI connector. This connector is used only for digital signal connections. DVI-D connectors come in dual and single links. The dual link connector contains 24 pins, whereas the single link connector comes with 18 pins. DVI stands for Digital Visual Interface. It is a standard for high speed, high resolution digital display invented by Digital Display Working Group (DDWG). DVI accommodates analog and digital interfaces with a single connector. New video cards have DVI as well as VGA ports built into them. Most of LCD monitors come with a 15-pin VGA connection cable, even if they are capable of handling digital signals coming from DVI connections. However, some monitors come with both types of cables. DVI has three main categories of connectors. They are: DVI-A, DVI-D, and DVI-I. DVI-A is an analog-only connector, DVI-D is a digital-only connector, and DVI-I is an analog/digital connector. DVI-D and DVI-I connectors are of two types: single link and dual link. DVI supports UXGA and HDTV with a single set of links. Higher resolutions such as 1920 x 1080, 2048 x 1536, or more can be supported with dual links. Answer option C is incorrect. The DVI-I connector supports both digital and analog signal connections. Reference: "" QUESTION: 26 3 Mark purchases a new computer and installs the Windows 2000 Professional operating system on it. He wants to connect the computer to the Internet. Which of the following actions can he take to protect his computer from unauthorized access, adware, and malware? Each correct answer represents a complete solution. Choose two. 186
A. Configure a firewall on the computer. B. Configure auditing on the computer. C. Set hidden attributes on his important files. D. Install all the service packs available for the operating system. Answer: D and A Explanation: In order to protect his computer from unauthorized access, adware, and malware, Mark can take the following actions: Install all the service packs available for the operating system. Configure a firewall on the computer. What is Service Pack? A service pack is a collection of Fixes and Patches in a single product. A service pack can be used to

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