ITE 115 - Exam 1 Questions And Answers With Verified Solutions

802.11 standard - Answer-Wi-Fi A social engineering technique in which you create a scenario to gain someone's trust is known as - Answer-pretexting Are home network servers used for file management tasks on a home network? - Answer-Yes Are social bookmarking and tagging the same thing? - Answer-Yes Bit - Answer-short for binary digit. Each bit represents a 0 or a 1 Black-hat hackers - Answer-break into systems to destroy information or for illegal gain Boot-sector Virus - Answer-Execute when a computer boots up Byte - Answer-1 Byte Byte - Answer-represents 8 bits of data. One byte can hold about one letter, number or special character Client/Server Networks - Answer-Contains two different types of computers. Client - computer on which users accomplish specific tasks. Server - computer that provides information or resources to client computers on the network. Coaxial Cable - Answer-Consists of a single copper wire surrounded by layers of plastic CPU - Answer-Effected by speed of processor, amount of cash memory and amount of processing cores Data - Answer-the representation of a fact, a figure, or an idea.Data Transfer Rate - Answer-Maximum speed at which data can be transmitted between two nodes on a network Denial of Service (DoS) attack - Answer-An attack on a computer system launched from an unprotected computer Describe an IP address - Answer-Referred to as a dotted qua, identifies a website and identifies any computer connecting to the Internet E-mail and instant messaging - synchronous or asynchronous - Answer-E-mail is asynchronous and instant messaging is synchronous E-mail Virus - Answer-Spread as attachments to e-mail, often using address books Encryption Virus - Answer-Hold files "hostage" by encrypting them; ask for ransom to unlock them Ethernet Networks - Answer-Use the means (or standard) by which the nodes on the network communicate Ethernet port - Answer-Used to connect a computer to a digital subscriber line (DSL) or cable modem, or a network and transfers data speeds up to 10,000 Mbps Evaluating Websites - What to consider? - Answer-- Authority - Bias - Relevance - Audience - Links Example of a locally administered network - Answer-P2PExpansion Cards - Answer-Have specific functions that augment the computers basic function (often sound or video cards) Fiber-Optic cable - Answer-Made up of plastic or glass fibers that transmit data at extremely fast speeds Gigabyte (GB) - Answer-About 1 billion bytes Grey-hat hackers - Answer-illegally break into systems to flaunt their expertise Hacker - Answer-Anyone who breaks into a computer system unlawfully HAN - Answer-Home Area Network How are devices connected to the computer? - Answer-- USB Port - Firewire ports - Thunderbolt port - HDMI port How can hackers attack my computing devices, and what harm can they cause? - Answer-Can use software to break into any computer connected to the internet. Once access gained can steal personal information, damage data, and use computer to attack other computers How can I communicate and collaborate with using Web 2.0 technologies? - Answer-Social networking, blogs, wikis, podcasts and webcasts. How can I communicate with others using e-mail and instant messaging? - Answer-E-mail allows users to communicate electronically without the users being present at the same time. Instant messaging are programs that enable you to communicate in real time with others who are online How can I manage online annoyances such as spyware and spam? - Answer-Installing anti-malware software toolsHow can I surf the Internet anonymously? - Answer-Certain tools in web browsers hide your surfing activities by not recording websites that you visit or files that you download in your browsers history files. How can I use biometric authentication devices to protect my data? - Answer-Use a physical attribute that is not easily duplicated to control access to data files or computing devices How do I configure the software on my computer and set up the devices required to get my network up and running? - Answer-1. Plug in modem, router and cables and switch on modem, router and computers on. 2. Launch network and sharing center 3. Verify each computer has a distinct name and are in the same home group 4. Devices have own set of procedures for connecting to network How do metasearch engines work? - Answer-Search other search engines rather than individual websites How do you add an additional port to your network? - Answer-Switch How do you determine what devices are connected to your router? - Answer-Log into an account associated with your router's IP address How does a firewall protect a computer? - Answer-Protects the computer by screening data coming into its logical ports. How does a search engine work? - Answer-searches the web for keywords and returns a list of the sites on which those words are found How does data travel on the Internet? - Answer-A computer or other device connected to the internet acts as either a client, a computer that asks for information, or a server, a computer that receives the request and returns the information to the client. Data travels between server and client along communication lines. IP addresses (unique id numbers) are assigned to all computers connected to the internetHow does firewall keep my computer safe from hackers? - Answer-Designed by using personal firewall you can close to invaders, open logical ports and potentially make your computer invisible to other computers on the internet How many GB does a flash drive hold? - Answer-256 GB How to add more USB ports? - Answer-Expansion card or expansion hub