Business Data Networks and Security‚ 9e (Panko) Chapter 9 TCP/IP Internetworking II 1) In IP subnet planning‚ having a large subnet part allows more hosts per subnet. Answer: FALSE 2) When the subnet part is made larger‚ the host part must be smaller. Answer: TRUE 3) If your subnet part is 8 bits long‚ you can have ________ subnets. A) 64 B) 128 C) 256 D) None of the above Answer: D 4) In IP subnet planning‚ you need to have at least 130 subnets. How large should your subnet
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Website Architecture AO1 Essay What is an ISP‚ why are they needed‚ connection type‚ cost‚ speed‚ typical providers‚ and features like email? An ISP is a device that enables you to connect your computer to the internet. ISP stands for Internet Service Provider this enables. The purpose of ISP is to enable people to search the internet for various things such as music and games‚ people also use them to find information about things. The speed of your internet depends on how far you are from the
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Cyber Stalking Stalking: series of actions that would cause a person to fear death or injury Spam (Bulk email marketing) Internet version of junk mail Where do they get email addys? - legitimate companies - Newsgroup Extractors - Websites Extractors Avoiding Spam - Use phoney address - Use anonymous remailer - Use “AT” in your email address instead of @. Internet Fraud / Identity Theft Credit Card Fraud: The unauthorized use of credit cards to obtain money or property Common ways
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and modify a client’s TCP/IP properties using the ipconfig command. 1. Click the Windows icon and on the “Search” box that immediately follows‚ type CMD 2. Your command prompt will likely appear as a letter C followed by a colon and then the name of the directory in which you’re currently working. (For instance‚ you might see a prompt that reads “C:\Documents and Settings\CISUSER 1>.”) Type ipconfig and press Enter to view a summary of your workstation’s TCP/IP properties. 3. On a separate
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http://student.ing-steen.se/IPv4/TCP-IP.pdf * Wikipedia‚ The Free Encyclopedia: http://www.wikipedia.org/ * This is a website‚ which contains lot of key terms of the Internet: Domain Name System (DNS) History‚http://www.livinginternet.com/i/iw_dns_history.htm * Stair R. ‚ Reynolds G.‚ (2006) Fundamentals of Information Systems.
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IP address. The Domain Name System (DNS) converts IP addresses to more user-friendly domain names. Worldwide Internet policies are established by organizations and government bodies‚ such as the Internet Architecture Board (IAB) and the World Wide Web Consortium (W3C). • Define the Internet‚ describe how it works‚ and explain how it provides business value. The Internet has become the world’s most extensive‚ public communication system that now rivals the global telephone system in reach and range
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For the first section of this Mid Term‚ I will describe the fields in the IP version 4 (IPv4) packet header. (What is the structure (each field) of an IPv4 packet?). The first field is a 4-bit version field. Next we have a 4-bit Internet Header Length (IHL) that tells the number of 32-bit words in the IPv4 header. The next field is an 8-bit Type of Service (ToS) field. This technology was never fully implemented so new technology has been developed to utilize this portion of the header. It
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groups that a user belongs‚ open a command prompt and enter the following commands: net user <username> /domain Replace <username> with an actual user name. For example: net user jdoe /domain Helpful commands entered from the Start > Run dialog box Select Start > Run to execute any of the following commands. mstsc Opens the Remote Desktop (RDP) tool winmsd Opens the System Information dialog box inetcpl.cpil Opens the Internet Explorer Properties dialog box odbccp32.cpl Opens
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server. * Print server: a computer that manages one or more printers‚ and a network server is a computer that manages network traffic. * Database server: a computer system that processes database queries.Servers are often dedicated‚ meaning that they perform no other tasks besides their server tasks. On multiprocessing operating systems‚ however‚ a single computer can execute several programs at once. A server in this case could refer to the program that is managing resources rather than the entire
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to and two passwords (PIN for usual use and PUK for unlocking). SIM cards are available in two standard sizes. The first is the size of a credit card (85.60 mm × 53.98 mm x 0.76 mm). GSM: GSM is stands for Global System for Mobile communication. It is a digital mobile telephony system that is widely used in Asia and other parts of the world. GSM uses a variation of time division multiple access (TDMA) and is the most widely used of the three digital wireless telephony technologies (TDMA‚ GSM‚ and
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