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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Information Systems Auditing Process | 21% | - Audit Standards and Guidelines - Audit Reporting and Follow-up - Audit Planning and Execution |
| Topic 2: Information Systems Operations and Business Resilience | 23% | - Business Continuity and Disaster Recovery - Service Level Management - IT Operations Management |
| Topic 3: Information Systems Acquisition, Development and Implementation | 12% | - Testing and Implementation Controls - System Development Lifecycle (SDLC) - Project Management Controls |
| Topic 4: Protection of Information Assets | 27% | - Data Protection and Security Monitoring - Access Control and Identity Management - Information Security Governance |
| Topic 5: Governance and Management of IT | 17% | - IT Governance Frameworks - IT Policies and Procedures - Risk Management and Compliance |
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NEW QUESTION # 150
An IS auditor is following up on prior period items and finds management did not address an audit finding.
Which of the following should be the IS auditor's NEXT course of action?
Answer: D
Explanation:
If an IS auditor finds that management did not address a prior period audit finding, the next course of action should be to interview management to determine why the finding was not addressed, as this would help to understand the root cause, the impact, and the risk level of the issue. Noting the exception in a new report, recommending alternative solutions, or conducting a risk assessment are possible subsequent steps, but they should not precede interviewing management. References: CISA Review Manual (Digital Version), Chapter
1, Section 1.6
NEW QUESTION # 151
Which of the following fire suppression systems is MOST appropriate to use in a data center environment?
Answer: D
Explanation:
FM-200 is safer to use than carbon dioxide. It is considered a clean agent for use in gaseous fire suppression applications. A water-based fire extinguisher is suitable when sensitive computer equipment could be damaged before the fire department personnel arrive at the site. Manual firefighting (fire extinguishers) may not provide fast enough protection for sensitive equipment (e.g., network servers).
NEW QUESTION # 152
Which of the following is MOST important for an IS auditor to do during an exit meeting with an auditee?
Answer: C
NEW QUESTION # 153
In which of the following WAN message transmission technique does two network nodes establish a dedicated communications channel through the network before the nodes may communicate?
Answer: C
Explanation:
Explanation/Reference:
For your exam you should know below information about WAN message transmission technique:
Message Switching
Message switching is a network switching technique in which data is routed in its entirety from the source node to the destination node, one hope at a time. During message routing, every intermediate switch in the network stores the whole message. If the entire network's resources are engaged or the network becomes blocked, the message-switched network stores and delays the message until ample resources become available for effective transmission of the message.
Message Switching
Image from: http://ecomputernotes.com/images/Message-Switched-data-Network.jpg Packet Switching
Refers to protocols in which messages are divided into packets before they are sent. Each packet is then transmitted individually and can even follow different routes to its destination. Once all the packets forming a message arrive at the destination, they are recompiled into the original message.
Packet Switching
Image from: http://upload.wikimedia.org/wikipedia/commons/f/f6/Packet_Switching.gif Circuit Switching
Circuit switching is a methodology of implementing a telecommunications network in which two network nodes establish a dedicated communications channel (circuit) through the network before the nodes may communicate.
The circuit guarantees the full bandwidth of the channel and remains connected for the duration of the session. The circuit functions as if the nodes were physically connected similar to an electrical circuit.
The defining example of a circuit-switched network is the early analog telephone network. When a call is made from one telephone to another, switches within the telephone exchanges create a continuous wire circuit between the two telephones, for as long as the call lasts.
In circuit switching, the bit delay is constant during a connection, as opposed to packet switching, where packet queues may cause varying and potentially indefinitely long packet transfer delays. No circuit can be degraded by competing users because it is protected from use by other callers until the circuit is released and a new connection is set up. Even if no actual communication is taking place, the channel remains reserved and protected from competing users.
Circuit Switching
Image from: http://www.louiewong.com/wp-content/uploads/2010/09/Circuit_Switching.jpg See a table below comparing Circuit Switched versus Packet Switched networks:
Difference between Circuit and packet switching
Image from:http://www.hardware-one.com/reviews/network-guide-2/images/packet-vs-circuit.gif Virtual circuit
In telecommunications and computer networks, a virtual circuit (VC), synonymous with virtual connection and virtual channel, is a connection oriented communication service that is delivered by means of packet mode communication.
After a connection or virtual circuit is established between two nodes or application processes, a bit stream or byte stream may be delivered between the nodes; a virtual circuit protocol allows higher level protocols to avoid dealing with the division of data into segments, packets, or frames.
Virtual circuit communication resembles circuit switching, since both are connection oriented, meaning that in both cases data is delivered in correct order, and signaling overhead is required during a connection establishment phase. However, circuit switching provides constant bit rate and latency, while these may vary in a virtual circuit service due to factors such as:
varying packet queue lengths in the network nodes,
varying bit rate generated by the application,
varying load from other users sharing the same network resources by means of statistical multiplexing, etc.
The following were incorrect answers:
The other options presented are not valid choices.
The following reference(s) were/was used to create this question:
CISA review manual 2014 Page number 265
NEW QUESTION # 154
.With the objective of mitigating the risk and impact of a major business interruption, a disasterrecovery plan should endeavor to reduce the length of recovery time necessary, as well as costs associated with recovery. Although DRP results in an increase of pre-and post-incident operational costs, the extra costs are more than offset by reduced recovery and business impact costs. True or false?
Answer: A
Explanation:
With the objective of mitigating the risk and impact of a major business interruption, a disaster-recovery plan should endeavor to reduce the length of recovery time necessary and the costs associated with recovery. Although DRP results in an increase of pre-and post-incident operational costs, the extra costs are more than offset by reduced recovery and business impact costs.
NEW QUESTION # 155
......
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