Quiz 3 &4 – Flashcards
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**_______consists of the random access memory, cache memory and the read only memory which is directly accessible to the CPU, and a(n)________ consists of equipment designed to store large volumes of data for long-term storage.
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Primary storage, secondary storage
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*Which of the following technologies is being used to replace the older electronic data interchange (EDI) for specifying data standards?
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Extensible markup language (XML)
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**Inventory data for your company contains product name (20 possible ASCII characters) and product description (40 possible ASCII characters). Unused positions in these two fields are padded with blanks. At any given point, you can have as many as 200,000 different products in inventory. Your IS manager has requested funding to purchase an * Megabyte hard drive to store this data. What do you tell her?
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The 8 Megabyte hard drive is not big enough
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The best definition of "moore's law" is..
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chip performance per dollar doubles every 18 months
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_____ is a language used to create and manipulate databases
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SQL
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*Virtualization refers to
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A compartmentalized server that can run multiple instances of an operating system as if it were multiple computers
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COB students currently have access to Citrix's XenApp service (myapps.niu.edu), which they can use to run software on their computers even though they have not nstalled it. Which of the following might be a problem with this example of on-demand software?
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the XenApp service level may not always be adequate relative to using regular software
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What is Object Oriented Programming (OOP) analogous to?
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Copy and Paste
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****After reading about NIU quarterback recently breaking a 48-year-old school touchdown record, you can recommend the article on facebook directly from ESPN's website. You are able to do this because ESPN can communicate with Facebook via its
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Application Programming Interface (API)
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Cloud computing refers to...
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replacing computing resources with services provided over the internet
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What problem is faced by multicore processors running older software written for single-brain chips?
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Multicore processors usually run older software by using only one core at a time
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**This code costs an estimated $30 Billion annually to main
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Existing FOrtune 1000 COBOL
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The software business is extremely profitable compared to the hardware business because..
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The marginal cost of software products is effectively zero
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*Open-source software (OSS) is said to be scalable and agile. This means...
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The source code can be modified for different sized projects and decrease the time to market for different products
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Which of the following is not an input device?
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Standard monitor
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Which of the following statements regarding the current electronic waste scenario is true?
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electronic waste increases with the rise of living standards worldwide
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A 640 bit chip can process
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8 bytes in a single machine cycle
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Writing software is easier for people if they use a(n)_______ and more efficient for the computer if they use a(n)________.
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High level language.....low level language
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How many bits are in a byte?
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8 bits in a byte.
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**Which of the following statements relating to open source software is true?
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The flagship OSS product is the Linux operating system, now available on all scales of computing devices
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One advantage and one disadvantage of using SaaS are
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access to a variety of sotfware without installng it and potentially losing access or data if the provider goes out of business
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What is SaaS?
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Software as a Service
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According to our in-class presenters, which of the following is NOT currently a means of biometric identification?
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Temperature
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Which of the following is an example of biometric authentication?
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The fingerprint reader found on many new laptops
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According to our in-class presenters, and also the Q&A session, what is the rpice range of an electronic nose?
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$5,000-$100,000
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The hypertext transfer protocol (http) defines the communication between..
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Web browsers and web servers
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Cybersquatting is defined as
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registering a domain name in order to profit from a firm name or trademark
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**Complete the analogy- http: browser and server communication; html: ____
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Create and format web pages
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"Modulate"/ "Demodulate" means to covert ___ to ____ and back
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Digital to Analog
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It should be evident from the TJX example that....
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information security must be a top organizational priority
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**What connects network devices over a relatively short distance, such a a building or a campus?
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LAN
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LAN is? WAN is? MAN is? GAN is?
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Local Area Network Wide Area Network Metropolitan Area Network Global Area Network
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Of those regularly used, what is the more INEFFECTIVE form of authentication?
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User ID and Password
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A Virtual Private Network is a private ____ that uses the Internet as a low-cost ____ backbone to transport data between two or more geographically separate sites
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WAN : WAN
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The three primary technology-based security areas are ________.
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Detection and Response; Authentication and Authorization; & Prevention and Resistance
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A firewall is________
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hardware and/or software that quards a private network by analyzing the information entering and leaving a network
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Internet firm Amazon.com selling books directly to consumers is an example of ______ e-business, while companies purchasing Amazon's cloud computing services is an example of _____ e-buiness.
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B2C; B2B
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A research scientist with a major pharmaceutical firm in New Jersey is caust passing on sensitive information, worth millions of dollars, regarding the compoition and test results of his firm's latest drug to a rival company. What crime is he being held responsible for?
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Corporate espionage
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Michigan quarterback recently had his Twitter account hacked because he failed to take appropriate security precaustions, such as using a high-quality password. what security principal does this illustrate?
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information security is moer of a people issue than a technical issue
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Which technologies are available to prevent and build resistance to attacks?
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Content Filtering, ENcryption, firewalls
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What is encryption?
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Scrambling information into an alternative form that needs a key/password to decrypt
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***DDoS stands for ________ and is an attack intended to _______.
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Distributed denial of service; crash a website by overwhelming it with messages
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An SQL injection technique exploits what weakness of Web sites to launch attacks
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Sloppy programming practices where software devlopers do not validate user input
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Look at the grap on quiz 4 to fill in the blanks
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:)
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