A botnet is a
A) piece of software code that inserts itself into a host or operating system to launch DoS attacks.
B) coordinated network of computers that can scan and compromise other computers and launch DoS attacks.
C) piece of code in a worm that spreads rapidly and exploits some known vulnerability.
D) collection of a few hundred hijacked Internet computers that have been set up to forward traffic, including spam and viruses, to other computers on the Internet.
Answer: B
E Commerce
- Each of the following apply to EC in developing economies except
- One of the strengths of EC is the ease with which its adopters can reach a global population of consumers. However, EC-driven businesses must consider the critical elements affecting the value of EC across cultures. These elements include each of the following except
- Each of the following is a critical success factor (CSF) of the Old Economy except
- A structured approach to shifting/transitioning individuals, teams, and organizations from a current state to a desired future state. It is an organizational process aimed at empowering employees to accept and embrace changes in their current business environment. This best describes
- Determining whether a website meets the original business objectives and vision best defines
- Referencing capabilities needed by Webstore users, sellers need the ability to do each of the following except
- Referencing the capabilities needed by Webstore users, buyers need the ability to
- A Web-based seller of CDs carefully monitors the prices charged by its competitors for identical products. This company has the ability to change a given price within three minutes in response to changes by competitors. This is an example of EC
- The fair market value of a business or the price at which a property would change hands between a willing buyer and a willing seller who are both informed and under no compulsion to act best describes
- McAfee allows users of its VirusScan virus-detection software to automatically update the latest security patches online. This is an example of ________ to attract customers who value this automatic update.
- Costs incurred in ensuring that the agent performs tasks as expected best defines
- Transaction costs include each of the following except
- An equation indicating that for the same quantity of production, Q, companies either can use a certain amount of labor or invest in more automation best describes
- The average-cost curves (AVC) of physical products and digital products
- Antivirus investments are easily justified because more than ________ percent of viruses enter business networks via e-mail.
- Justifying information security projects
- Each of the following metrics indicates excellence in e-procurement except
- Which of the following advanced methods for EC justification and evaluation uses a combination of brainstorming and consensus-reaching methodologies to determine how much a company should invest in large EC infrastructures?
- Which of the following advanced methods for EC justification and evaluation uses the idea of critical success factors and focuses on key organizational objectives and the potential impacts of the proposed EC project on each of them?
- Types of appraisal and justification methods for IT investments include each of the following except
- The disadvantage of the NPV method for evaluating EC and IT is
- Maximizing the value for unconstrained project selection is an advantage of
- The return on invested capital generated by a company minus the cost of the capital used in recreating the cash flow best describes
- Benefits of ownership that include both tangible and intangible costs best defines
- A formula for calculating the cost of owning, operating, and controlling an IT system best defines