Accounting Information Systems
9th Edition
ISBN: 9781133934400
Author: James A. Hall
Publisher: Cengage Learning
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Question
Chapter 12, Problem 1MCQ
To determine
Identify the option which correctly describes the DDoS attack.
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A DDos attacka. is more intensive than a Dos attack because it emanates from single source.b. may take the form of either a SYN flood or smurf attack.c. is so named because it affects many victims simultaneously, which are distributed across the Internet.d. turns the target victim’s computers into zombies that are unable to access the Internet.e. none of the above is correct.
Describe a distributed denial of service (DDoS) attack.
A program that attaches to another legitimate program but does NOT replicate itself is called a a. virus.b. worm.c. Trojan horse.d. logic bomb.
Chapter 12 Solutions
Accounting Information Systems
Ch. 12 - Prob. 1RQCh. 12 - Prob. 2RQCh. 12 - Prob. 3RQCh. 12 - Prob. 4RQCh. 12 - Prob. 5RQCh. 12 - Prob. 6RQCh. 12 - Prob. 7RQCh. 12 - Prob. 8RQCh. 12 - Prob. 9RQCh. 12 - Prob. 10RQ
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- A message that is contrived to appear to be coming from a trusted or authorized source is calleda. a denial of service attack.b. digital signature forging.c. Internet protocol spoofing.d. URL masquerading.e. a SYN-ACK packet.arrow_forwardSniffer software isa. used by malicious Web sites to sniff data from cookies stored on the user’s hard drive. b. used by network administrators to analyze net- work traffic. c. used by bus topology intranets to sniff for carriers before transmitting a message to avoid data collisions. d. an illegal program downloaded from the Web to sniff passwords from the encrypted data of Internet customers. e. illegal software for decoding encrypted messages transmitted over a shared intranet channel.arrow_forwardHackers can disguise their message packets to look as if they came from an authorized user and gain access to the host’s network using a technique calleda. spoofing.b. spooling.c. dual-homed.d. screening.arrow_forward
- Select the correct answer(s) for the following multiple-choice questions. Note that there may be more than one correct answer. Which of the following statements is (are) true? a. The type of computer fraud that is simplest and most common and that requires the least amount of skill is data b. The type of computer fraud that is the most difficult because it requires the most skill is computer instructions fraud c. The biggest cause of data breaches is organized by hacker groups. d. Losses from the theft of physical assets are much greater than those from the electronic theft of data e. In the absence of controls, it is not hard for a dishonest employee to steal data.arrow_forwardWhich of the following statements is correct? a. TCP/IP is the basic protocol that permits communication between Internet sites. b. TCP/IP controls Web browsers that access the Web. c. TCP/IP is the document format used to produce Web pages. d. TCP/IP is used to transfer text files, programs, spreadsheets, and databases across the Internet. e. TCP/IP is a low-level encryption scheme used to secure transmissions in higher-level (HTTP) format.arrow_forwardA malware attack on IT systems is a A. financial risk B. operational risk C. strategic risk D. reputational riskarrow_forward
- Which of the following is not a way to prevent your computer from being attacked by ransomware? A. making sure your antivirus security programs are up to date B. opening all attachments from emails from unknown senders C. using secure (password protected) networks and backing up your files regularly D. not using open Wi-Fi (nonpassword, nonencrypted) in public locationsarrow_forwardWhich of the following statements about the client-server model is correct?a. It is best suited to the token ring topology because the random-access method this topology uses detects data collisions.b. It distributes both data and processing tasks to the server node. The client-server model can use the bus or ring topology.c. It is most effective when used as a bus topology because its deterministic access method avoids collisions and prevents data loss during transmissions.d. It is more efficient than the bus or ring topologies because it transmits an entire file of records to the requesting node rather than only a single record.e. It is not used in conjunction with either the bus or ring topologies.arrow_forwardEncryption a. avoids the need for separation of duties. b. creates firewalls to protect data. c. cannot be broken by hackers. d. rearranges messages by a special process.arrow_forward
- A ping signal is used to initiate a. URL masquerading. b. digital signature forging. c. Internet protocol spoofing. d. a smurf attack e. a SYN-ACK packet.arrow_forward1.A computer abuse technique called ______________________________ involves a program that replicates itself on disks, in memory, and across networks. 2.A computer abuse technique called ______________________________ involves a programmer's inserting special code or passwords in a computer program that will allow the programmer to bypass the security features of the program, 3.A(n) ______________________________ is a computer abuse technique in which unauthorized code is inserted in a program, which, when activated, could cause a disaster such as shutting down a system or destroying data. 4.A(n) ______________________________ is a program that secretly takes over another Internet -attached computer and then uses that computer to launch attacks that can't be traced to the creator. 5.A(n) ______________________________ is a tool designed to assist you in evaluating the potential effectiveness of controls in a business process by matching control goals with relevant…arrow_forwardThe advantages to using a partitioned database approach include all of the following EXCEPT a. the possibility for the deadlock phenomenon is reduced.b. user control is increased.c. transaction processing time is decreased.d. the potential for wide-scale disaster is reduced.e. these are all advantages of partitioned databases.arrow_forward
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