What are the three main threats to the security of my system? Threats to the confidentiality of the system and its data. Threats to the integrity of the system and its data. Threats to the availability of the system and its data.
What are the three principal stages of systems engineering?
What are the three main phases of systems engineering? Procurement (acquisition); development; and operation.
What are the 5 attributes of a dependable process?
This means that reliability (security, availability, dependability, safety, and resiliency) outweighs factors such as user wait times and complex password requirements.
What are the two major disadvantages of the use of distributed component architectures?
Disadvantages. Complexity – more complex than centralized systems. Security – more susceptible to external attacks. Manageability-More effort is required to manage the system.
What are the essential characteristics of a self monitoring architecture?
What are the essential characteristics of a self-monitoring architecture? Performs several calculations on each channel and compares the results to identify success/failure. Actions are taken when inconsistencies are identified.
What are the different types of systems engineering?
In systems engineering, four specific types of designed system contexts are commonly recognized: product systems, service systems, enterprise systems, and system-of-systems.
What are the 4 dimensions of dependability?
Four aspects of Dependability (Availability, Reliability, Safety, and Security) are described. To describe them, dependability requires avoiding mistakes, detecting and eliminating errors, and limiting the damage caused by failures.
What is dependability in protection system?
Reliability and Security. The reliability of a protection system consists of two components: reliability and security. – Reliability: Aspects of reliability that are relevant. The degree of certainty that a relay or relay system will operate correctly [2].
What are three advantages of distributed processing?
Advantages of Distributed Processing:
- Low cost.
- Performance is improved, and processing power can be increased by adding nodes and connecting more computers, and decreased by removing computers.
- Flexibility.
- Time savings and reliability.
What are the three types of communication paradigm in distributed system?
Type:.
- Message-based groupware paradigm.
- Whiteboard-based groupware paradigm.
What is self monitoring in organizational behavior?
Self-monitoring is a personality trait that involves the ability to monitor and regulate one’s self-expression, emotions, and behavior in response to social environments and situations. This includes being aware of one’s actions and their impact on the environment.
What are the essential elements of component based software engineering?
– The basic elements of the component model include interface, naming, metadata, customization, configuration, evolution, and deployment standards.
What are the system elements of system engineering?
A “system” is a combination of elements that work together to produce the functionality needed to meet a need. Elements include all hardware, software, equipment, facilities, personnel, processes, and procedures necessary for this purpose. In other words, everything needed to produce system-level results.
What are the four principal stages of systems engineering?
Systems Engineering Process Task Definition (informative definition), Conceptual Phase (basic definition), Design Phase (formative definition), and Implementation Phase (Manufacturing Definition).
What are the four major types of information systems?
The four main types of information systems used in an organization
- Low-level workers – Transaction processing systems.
- Mid-level managers – management information systems.
- Senior managers – decision support systems.
- Executive – executive information systems.
What are the three categories of system software?
There are three basic types of software in a system: application programs, device drivers, and operating systems. Each type of software performs a very different job, but all three work closely together to perform useful tasks.
What does an information requirements Brief contain?
Although the structure may vary, a basic BRD includes the following sections and components Project overview (including vision, objectives, and context) Success factors. Project scope.
What are high level requirements?
Meaning. High Level Mandatory Requirements (HLMRs) describe a set of features that the project under consideration must achieve. Essentially, they define the expected results, effects, or services to be provided by the project. This is what the employer wants the project to deliver.
How many phases are there in requirement analysis *?
How many phases are involved in a requirements analysis? Description: There are five phases: problem identification, evaluation, integration (focus on what, not how), modeling, specification, and review.
What is the main measure of dependability in computer design?
2.1 Comprehensive Dependability Measures Safety: no catastrophic consequences for the user and the environment. Confidentiality: no unauthorized disclosure of information. Integrity: no inappropriate changes in system state. Maintainability: ability to undergo repairs and modifications.
What are protection systems?
Security and Protection Systems, a variety of means or devices designed to protect people and property against a wide range of hazards, including crime, fire, accident, espionage, sabotage, subversion, and attack.
What are the elements of protection system?
Protection systems have three main components of transducers Protective relays. Circuit breakers.
What is distributed system in operating system?
Distributed operating systems are system software, networked, communicating, and physically separate compute nodes through a collection of independent software. They handle the work serviced by multiple CPUs. Individual nodes hold a specific software subset of the global aggregate operating system.
What are the examples of distributed systems?
Examples of distributed systems
- Networks. The earliest examples of distributed systems occurred in the 1970s, when Ethernet was invented and LANs (Local Area Networks) were created.
- Communication Networks.
- Distributed real-time systems.
- Parallel processing.
- Distributed artificial intelligence.
- Distributed database systems.
What are the advantages of distributed system in operating system?
Advantages of Distributed Systems Thus, nodes can easily share data with other nodes. More nodes can be easily added to a distributed system. This means that the system can scale as needed. Failure of one node does not result in failure of the entire distributed system. Other nodes can communicate with each other.
What are the advantages of network operating system?
Advantages of network operating systems Very stable centralized servers. Security concerns are handled through the server. New technology and hardware upgrades are easily integrated into the system. Server access can be remote from many different locations and system types.
What are the different protocols that are used for in communication in distributed systems?
Some protocols: Link Layer— NICs, device drivers. Network Layer— routing, “hop-by-hop” messages. Transport layer—“end-to-end” messages.
What is paradigm in distributed systems?
Distributed application paradigm. Paradigm means “pattern, example, or model. In the study of very complex subjects, it is useful to identify basic patterns or models and classify details according to these models.
What is monitoring information system?
The basic principle of surveillance systems is to allow users to capture data, process and disseminate information in a systematic way. Surveillance systems allow the measurement of trends in a variety of indicators based on data collected in the field.
What are the four main purposes of monitoring?
Learning from experience to improve future practices and activities. To obtain internal and external accountability for resources used and results obtained. To make informed decisions regarding the future of the initiative. To promote empowerment of the initiative’s beneficiaries.
What are self-monitoring tools?
Self-monitoring is an emerging trend in personal electronic health where computing tools such as wearable sensors and mobile apps collect, process, and display a wealth of personal data to help track and manage all aspects of health.
What is meant by self-monitoring?
Self-monitoring is defined as a personality trait that refers to the ability to adjust behavior in response to social situations. Those interested in expressive self-presentation (see impression management) tend to closely monitor their audience to ensure an appropriate or desired public appearance.
What is software components explain types of components?
Software has three components. These are the program, the documentation, and the operating procedures.
What is model and component of the system?
The component model describes the hierarchy of functional components, their responsibilities, static relationships, and how the components work together to provide the required functionality.
What are 3 important aspects to designing a system process?
Successful system design requires that three key components be considered and effectively managed. These are quality, timeliness, and cost-effectiveness.
What three phases make up the system design?
Stated another way, the physical part of system design can generally be divided into three subtasks User interface design. Data design. Process design.
What is systems level programming?
System programming involves the development of individual pieces of software that make the entire system function as a single unit. Systems programming involves many layers, including the operating system (OS), firmware, and development environment.
What is system level engineering?
Systems engineering is an interdisciplinary and integrated approach to the successful realization, use, and decommissioning of designed systems using systems principles and concepts, scientific, technical, and management methods.
What are the key principles of systems engineering?
The five principles are: Principles for Managing Processes, Seek Alternative Systems Perspectives, Understand the Enterprise Landscape, Integrate Systems Engineering and Project Management, and Invest in the Early Stages of the Project.
What are some examples of engineered systems?
Some examples are shown here
- Flexible devices and bendable displays.
- Revolutionizing data storage.
- Hybrid organic/semiconductor solar cells.
- Advanced genome engineering systems.
What are the levels of information?
There are three levels of information systems Strategic information. Tactical information. Operational information.
What are the 5 basic uses of information systems?
Information systems essentially consist of five components: hardware, software, databases, networks, and people. These five components are integrated to perform input, processing, output, feedback, and control.
What are the five parts of information system?
An information system is described as consisting of five components
- Computer hardware. This is the physical technology that handles information.
- Computer Software. The hardware needs to know what to do, and that is the role of software.
- Telecommunications.
- Databases and data warehousing.
- Human resources and procedures.
What are the categories of system?
For the purpose of categorizing the articles, there are four main types of systems under that category tree that can reasonably be expected to include all types of systems: physical systems, biological systems, social systems, and conceptual systems.
What are Level 1 requirements?
Level 1 requirements constitute the highest level of engineering requirements, second only to the top-level requirements, and are derived in part from them. They provide the link between the ultimate user objectives and the project and engineering framework. These include essential characteristics.
What are user requirements?
User requirements are exactly what their name implies. These are requirements set by the end user. These requirements represent how the facility, equipment, or process needs to function with respect to the product to be manufactured, the throughput required, and the conditions under which the product will be manufactured.
Why are high-level requirements important?
Why are high-level requirements important? High-level requirements are key to stakeholder control and involvement. By keeping requirements simple and understandable, stakeholders and the project team can absorb important information about the expected results of the project.
What are the 4 dimensions of dependability?
Four aspects of Dependability (Availability, Reliability, Safety, and Security) are described. To describe them, dependability requires avoiding mistakes, detecting and eliminating errors, and limiting the damage caused by failures.
What are the four major steps of requirements specification?
Use these four steps to gather requirements
- Triggering. The triggering step is where requirements are first collected.
- Verification. The Verification step is where the “analysis” begins.
- Specification.
- Verification.