Accounting Information Systems
9th Edition
ISBN: 9781133934400
Author: James A. Hall
Publisher: Cengage Learning
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Question
Chapter 12, Problem 9MCQ
To determine
Identify the correct statement for client-server model.
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Which 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.
Distinguish between turnkey and backbone systems. Which is more flexible?
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.
Chapter 12 Solutions
Accounting Information Systems
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- Which of the following statements is correct? a. A bridge is used to connect a LAN and a WAN. b. Packet switching combines the messages of multiple users into a packet for transmission. At the receiving end, the packet is disassembled into individual messages and distributed to the user. c. The decision to partition a database assumes that no identifiable primary user exists in the organization. d. Message switching is used to establish temporary connections between network devices for the duration of a communications session. e. A deadlock is a temporary phenomenon that disrupts transaction processing. It will resolve itself when the primary computer completes processing its transaction and releases the data the other nodes need.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_forwardWhat is the importance of using an isolated environment to perform penetration testing? What are the benefits of virtualizing this environment than using actual hardware? What effect does this have on your host system?arrow_forward
- What are the benefits and drawbacks of turnkey systems?arrow_forwardis organized as three protocols that typically run on top of TCP for secure 4) network communications and are designed to be relatively simple and inexpensive to implement. A) SSL B) SSH C) IPsec D) EAParrow_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
- Describe the two-tier client-server model.arrow_forwardWhich of the following is a disadvantage of distributed data processing? a. End-user involvement in systems operation is decreased. b. Disruptions due to mainframe failures are increased. c. The potential for hardware and software incompatibility across the organization isincreased. d. The time between project request and completion is increased. e. All of the above are disadvantages.arrow_forwardCategorize each of the following as either an equipment failure control or an unauthorized access control.a. message authenticationb. parity checkc. call-back deviced. echo checke. line errorf. data encryptiong. request-response techniquearrow_forward
- What are POS Systems? Enumerate their advantages versus manual data collection systems.arrow_forwardWhat exactly are the advantages and disadvantages of turnkey systems?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
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