Tech Questions * Flashcards

Question

How many cycles per second does one GHZ do?

Answer 1

One billion cycles per second.

Answer 2

Microprocessors are small, programmable, multi-tasking devices that can input data, process it and then provide the outcome as the output results. Their functionality used to be integrating data from the CPU on one integrated circuit or more, but now all the CPU’s are microprocessors. Their functionality is based on the binary system and includes symbols and numbers. Integrating the whole CPU on just one chip saves allot of processing power.

Answer 3

The GUI or the graphical-user-interface is based simply so users can manipulate the files and programs on the monitor with a mouse, drag and click on objects instead of putting in a command with text. The GUI interface is used and was launched together with the most popular system – Microsoft. Since then, not allot of GUI changes have been made, since this operation is basic.

Answer 4

Firstly, you would need the wireless adapters for each device on a wireless network. Lap-tops nowadays have in-built wireless adapters, but if you happen to have an outdated one, be sure to get wireless adapters first. Then, wireless routers are needed to set up a full and all-wireless network. You also need access points to spread the network. Access points are usually set-up after the routers have been installed. This is how you allow the network to grow. Then, the access points and the wireless routers all get channeled through the wireless antenna which puts out a strong radio signal. In the end, a wireless repeater to expand the range on your wireless for users who can’t get signal is the last you should do.

Answer 5

If RAM is random-access memory, DRAM is Dynamic random-access memory. What does that mean? It means that it stores every BIT of a data from the PC in one circuit. DRAM shifts between two states, being charged or discharged so its value is either 0 or 1.

Answer 6

Yes, DRAM is a valuable thing to upgrade when thinking about boosting your system performance. The fact is, it does not upgrade your CPU in terms of faster response, but on the other hand, it reduces the time the CPU waits for information from the hard-drive.

Answer 7

It will optimize your PC and help you maintain your data more effectively. Having all the data on only one partition can be of great risk if for example your Windows crashes for good. Always separate the back-up files and all the other things on different partitions. Even try to put a boot-up OS version on one partition. It will help immensely.

Answer 8

One thousand bytes.

Answer 9

An IP address is your personal data identifier. All the computers that are on the web, communicate through IP addresses as to faster identify the specified and wanted computer and then transfer data to it. IP addresses are vital for one network to function. Picture it as a spider’s web with all the little dots in-between the web. Those dots are the IP address, the unique identifiers on every location, on every computer on the web.

Answer 10

A gateway is a method of connecting two different networks with different protocols, making an internetworking connection. Internetworking explains the act of communication between the two networks. The gateways are usually set up on the “end” or “edge” of the network and their function is not just to set up communication with another network, but to protect the network as well. That is why the gateways also come with firewalls. Simply like connecting several computers in a local network with a router (which in that case serves as a gateway). They operate on any level in OSI.

Answer 11

OSI model is short for Open System Interconnection and is the ISO standard for networking across the World Wide Web. OSI model sets up a network limit (framework) to attach protocols in seven different layers. Starting at one station, all the way down to the bottom of the chain. Known OSI models are for example the X400 or the X500 and some of them are still very popular like the one for e-mail and directory. Older OSI models now serve as a teaching or a practice method for all the protocols that need to be implemented.

Answer 12

Simply put, a network is communication between two computers. A network allows two or more computers to exchange files between them, share the same screen, messaging, use for printing and much more. The way network is based and how the computers are connected varies allot. From telephone cables, to sending out digital signals through Wi-Fi antennas, connected through satellites, infrared beams and so on. There are several types of network like LAN, WAN etc. LAN is local area network, WAN is wide area network.

Answer 13

Both the hub and a switch are network components that connect electronic devices in two different ways. They both create network traffic, but the respond to it differently. The hub (or also called the receiver) is a device that after receiving all the information, puts out a repetition signal and sends it to all the other devices. The negative thing about this is that it can cause unnecessary traffic your way. Having a switch is good for better control of traffic. It collects packages from all the address information and sends it out to the given specific port. It is more manageable and better for bigger network. Hubs are used for smaller networks.

Answer 14

A VPN is a virtual private network which allows safe use of the Internet and safe surfing. It builds a layer of security on-top the Internet and browsing through this isolated network, greatly helps keeping your data away from prying eyes.

Answer 15

DNS stands for Domain Name Servers and it is a list of all the domains and then gets translated into IP addresses.

Answer 16

A DNS (domain name server) problem is when the domain name cannot be translated into an IP address. If your computer can’t recognize an IP address on a certain domain name and cannot really establish communication, then you’d have a DNS problem. The network problem usually appears when you cannot trace and find the IP address.

Answer 17

Highly-flexible networks called Virtual Local Area Network which don’t require any physical connection but rather respond through logical operations. They also don’t have to be in the same space or geographical stand-point.

Answer 18

Active Directory is a Windows directory that works with complex network resources and responds in one universal way.

Answer 19

DHCP is a Dynamical Host Configuration Protocol. It is used to quickly define a specific IP address and attach it to a PC so it can become recognized on the World Web. Starts up automatically when booting system.

Answer 20

Like we’ve said previously, a gateway is a way of accessing a network. When you experience difficulty accessing one (any kind of network issue), the default gateway is used to create an access point for your PC to use the web. This is when the IP address cannot match any other routes.

Answer 21

Different networks come with different sizes. Setting up a small network maybe useful for a network-caffe, but not for a big company. Therefore, networks differ from Class A to B to C with different sizes and amount of computers and network traffic that it can hold.

Answer 22

This kind of logging keeps the transactional logging process in the windows directory from expanding and enlarging. It overwrites (circulates) the first log file so that it won’t take up space on the hard disk.

Answer 23

it is the LDAP (Light-weight Directory Access Protocol) which is an industry protocol for maintaining directory data.

Tech Questions * Flashcards

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