Audit and Intrusion Detection Systems - Accounting Assignment Help

Assignment Task

audit and intrusion detection systems
auditing and penetration testing techniques
bandwidth and quality of service
factors affecting signal quality
And may include, but are not limited to:
Audit and intrusion detection systems
Audit and Intrusion Detection Systems (IDS) are cyber security systems designed to recognise possible cyber-attacks. They accomplish that mission by collecting information through a
range of system and network sources. IDS’s analyse the information that is collected in efforts to detect security problems.
Audit and intrusion detection systems accomplish the mission of detecting system threats by performing the following tasks:
Monitor and analyse user and system activity
Audit system configurations and vulnerabilities
Assess the integrity of system and data files
Perform statistical analysis of activity patterns based on the profiles of existing threats
Detect abnormal activity
Audit operating systems
Audit and IDS’s can be deployed in a user’s workstation, in a server that user’s access or in
cloud environments.
00Answers must include all four (4) of the following:
audit and intrusion detection systems
auditing and penetration testing techniques
bandwidth and quality of service
factors affecting signal quality
And may include, but are not limited to:
Audit and intrusion detection systems
Audit and Intrusion Detection Systems (IDS) are cyber security systems designed to recognise possible cyber-attacks. They accomplish that mission by collecting information through a
range of system and network sources. IDS’s analyse the information that is collected in efforts to detect security problems.
Audit and intrusion detection systems accomplish the mission of detecting system threats by performing the following tasks:
Monitor and analyse user and system activity
Audit system configurations and vulnerabilities
Assess the integrity of system and data files
Perform statistical analysis of activity patterns based on the profiles of existing threats
Detect abnormal activity
Audit operating systems
Audit and IDS’s can be deployed in a user’s workstation, in a server that user’s access or in
cloud environments.

91440044894500
Auditing and penetration testing techniques
Auditing is the process of conducting a systematic evaluation of an organisation’s IT infrastructure security. The main purpose of cyber security audits is to measure how well an IT infrastructures security protocols meet up to date security needs and validate the overall cyber security posture of the system.
Penetration testing is the process of attempting to breach the IT network.
The techniques utilised to breach a network in a penetration test are the same methods as actual hackers.
Techniques used to conduct penetration testing include:
Multiple intrusion approaches used simultaneously.
Leveraging several minor weaknesses to create a large exploitable flaw.
Use of both commercial and open source tools
Bandwidth and quality of service
Bandwidth is the term used to describe the maximum capacity of a network to transfer data from point to point in that network.
Quality of Service (QoS) is a way of optimizing traffic on a network to allow the most efficient use of bandwidth. QoS functions are located within network switches or routers.
The method used to capitalise on available bandwidth is to prioritise data that travels through the router or switch.
Applications that require more data or more efficient use of data are prioritised and passed through higher levels while data with lower priority is relegated to lower levels.
Factors affecting signal quality.
The signal quality of a wireless network is the ability of a wireless network signal to send and receive data over a prescribed distance.
The presence of the following factors determine that a network has high signal quality:
Data is sent in steady streams
Data is sent and received of acceptable distances in accordance with hardware manufacturer specifications
Large amounts of data being sent and received
Ability to send adequate data to provide fast communication between network devices
Networks with high signal quality possess all or most of the above features.
Signal quality can be affected or degraded by a number of factors. The two main factors that affect signal quality are:
914400448945Interference
Hardware limitations
Hardware limitations are typically found in the form of low-quality antennas. Network antennas are measured in the value of gain represented by decibels-isotropic (dBi) starting at
0. The higher the maximum gain level of an antenna is, the higher quality signal it is capable of producing.
Interference is any force that weakens or obstructs a wireless network signal.
00Interference
Hardware limitations
Hardware limitations are typically found in the form of low-quality antennas. Network antennas are measured in the value of gain represented by decibels-isotropic (dBi) starting at
0. The higher the maximum gain level of an antenna is, the higher quality signal it is capable of producing.
Interference is any force that weakens or obstructs a wireless network signal.

Outline each of the following key technical considerations for designing a wireless network:
The features of antenna design
917575167005Answers may include, but are not limited to:
Antennas are electrical devices that convert electric energy into electromagnetic waves for the purpose of sending and receiving signals. Antennas emit radiation which causes the creation of electromagnetic waves. These waves are what transmits data to other devices. The same radiation pattern that causes electromagnetic waves to form is also sensitive to receiving electromagnetic waves from devices sending to the antenna.
00Answers may include, but are not limited to:
Antennas are electrical devices that convert electric energy into electromagnetic waves for the purpose of sending and receiving signals. Antennas emit radiation which causes the creation of electromagnetic waves. These waves are what transmits data to other devices. The same radiation pattern that causes electromagnetic waves to form is also sensitive to receiving electromagnetic waves from devices sending to the antenna.

Design issues with layer 2 and layer 3
917575168275Answers may include, but are not limited to:
The use of layer 2 or 3 networks can be significant to the design possibilities of wireless networks. Designers should be aware of the requirements of the proposed network and consider the possibility of expanding the network in the future.
Layer 2 of the OSI layering system is the data link level where data packets are encoded and decoded. In layer 2, Media Access Control) MAC controls how devices on a network obtain access to and permission to transmit data.
Layer 3 of the OSI system model is doing the following:
Provides routing and switching
Creates logical paths to know as virtual circuits to transmit data to nodes
 

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