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| Section | Weight | Objectives |
|---|---|---|
| Information Systems Acquisition, Development and Implementation | 12% | - Project Management Controls - System Development Lifecycle (SDLC) - Testing and Implementation Controls |
| Information Systems Auditing Process | 21% | - Audit Standards and Guidelines - Audit Planning and Execution - Audit Reporting and Follow-up |
| Information Systems Operations and Business Resilience | 23% | - Business Continuity and Disaster Recovery - Service Level Management - IT Operations Management |
| Governance and Management of IT | 17% | - IT Governance Frameworks - Risk Management and Compliance - IT Policies and Procedures |
| Protection of Information Assets | 27% | - Data Protection and Security Monitoring - Information Security Governance - Access Control and Identity Management |
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NEW QUESTION # 880
In the context of physical access control, what is known as the process of verifying user identities?
Answer: D
Explanation:
Authentication is the process of verifying a user's claimed identity. It is based on at least one of these three factors: Something you know, Something you have, or Something you are.
NEW QUESTION # 881
Which of the following is the MOST significant risk when an application uses individual end-user accounts to access the underlying database?
Answer: D
NEW QUESTION # 882
Which of the following is MOST important for the improvement of an organization's incident response processes?
Answer: B
Explanation:
Section: Protection of Information Assets
NEW QUESTION # 883
Which of the following is the MOST effective way to detect as many abnormalities as possible during an IS audit?
Answer: A
Explanation:
A data analytics tool is the most effective way to detect as many abnormalities as possible during an IS audit, as it can process large volumes of data, perform complex calculations, and generate visualizations that reveal patterns, outliers, anomalies, or deviations from expected results. A data analytics tool can also help the auditor to test the entire population of data, rather than a sample, and to perform continuous auditing and monitoring.
References
ISACA CISA Review Manual, 27th Edition, page 256
What is Problem Solving? Steps, Process & Techniques | ASQ
Data Analytics for Auditors - IIA
NEW QUESTION # 884
Which of the following is the INCORRECT Layer to Protocol mapping used in the DOD TCP/IP model?
Answer: B
Explanation:
Section: Information System Operations, Maintenance and Support
Explanation:
The keyword INCORRECT is used within the question. You need to find out the incorrect Layer to Protocol mapping.
The ICMP protocol works at Internet layer of the DoD TCP/IP model, not at the Transport Layer.
For your exam you should know below information about the TCP/IP models:
Network Models
Layer 4. Application Layer
Application layer is the top most layer of four layer TCP/IP model. Application layer is present on the top of the Transport layer. Application layer defines TCP/IP application protocols and how host programs interface with Transport layer services to use the network.
Application layer includes all the higher-level protocols like DNS (Domain Naming System), HTTP (Hypertext Transfer Protocol), Telnet, SSH, FTP (File Transfer Protocol), TFTP (Trivial File Transfer Protocol), SNMP (Simple Network Management Protocol), SMTP (Simple Mail Transfer Protocol) , DHCP (Dynamic Host Configuration Protocol), X Windows, RDP (Remote Desktop Protocol) etc.
Layer 3. Transport Layer
Transport Layer is the third layer of the four layer TCP/IP model. The position of the Transport layer is between Application layer and Internet layer. The purpose of Transport layer is to permit devices on the source and destination hosts to carry on a conversation. Transport layer defines the level of service and status of the connection used when transporting data.
The main protocols included at Transport layer are TCP (Transmission Control Protocol) and UDP (User Datagram Protocol).
Layer 2. Internet Layer
Internet Layer is the second layer of the four layer TCP/IP model. The position of Internet layer is between Network Access Layer and Transport layer. Internet layer pack data into data packets known as IP datagram's, which contain source and destination address (logical address or IP address) information that is used to forward the datagram's between hosts and across networks. The Internet layer is also responsible for routing of IP datagram's.
Packet switching network depends upon a connectionless internetwork layer. This layer is known as Internet layer. Its job is to allow hosts to insert packets into any network and have them to deliver independently to the destination. At the destination side data packets may appear in a different order than they were sent. It is the job of the higher layers to rearrange them in order to deliver them to proper network applications operating at the Application layer.
The main protocols included at Internet layer are IP (Internet Protocol), ICMP (Internet Control Message Protocol), ARP (Address Resolution Protocol), RARP (Reverse Address Resolution Protocol) and IGMP (Internet Group Management Protocol).
Layer 1. Network Access Layer
Network Access Layer is the first layer of the four layer TCP/IP model. Network Access Layer defines details of how data is physically sent through the network, including how bits are electrically or optically signaled by hardware devices that interface directly with a network medium, such as coaxial cable, optical fiber, or twisted pair copper wire.
The protocols included in Network Access Layer are Ethernet, Token Ring, FDDI, X.25, Frame Relay etc.
The most popular LAN architecture among those listed above is Ethernet. Ethernet uses an Access Method called CSMA/CD (Carrier Sense Multiple Access/Collision Detection) to access the media, when Ethernet operates in a shared media. An Access Method determines how a host will place data on the medium.
IN CSMA/CD Access Method, every host has equal access to the medium and can place data on the wire when the wire is free from network traffic. When a host wants to place data on the wire, it will check the wire to find whether another host is already using the medium. If there is traffic already in the medium, the host will wait and if there is no traffic, it will place the data in the medium. But, if two systems place data on the medium at the same instance, they will collide with each other, destroying the data. If the data is destroyed during transmission, the data will need to be retransmitted. After collision, each host will wait for a small interval of time and again the data will be retransmitted.
Protocol Data Unit (PDU):
The following answers are incorrect:
The other options correctly describe the Layer to Protocol mapping of the DoD TCP/IP model protocols.
Reference:
CISA review manual 2014 page number 272
NEW QUESTION # 885
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