Software Maintenance Overview
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Questions and Answers

Which of the following are considered key aspects of software maintenance?

  • Performance optimization (correct)
  • Documentation (correct)
  • Migration (correct)
  • Enhancement (correct)
  • Bug fixing (correct)
  • Re-engineering (correct)
  • What are some disadvantages of software maintenance?

  • Integrity of the changes structure of the software/structural integrity (correct)
  • Technological Advancements (correct)
  • Disruption of schedules/operation (correct)
  • Inadequate Testing (correct)
  • Undocumented Changes (correct)
  • Complexity (correct)
  • User Resistance (correct)
  • Cost (correct)
  • Skill Gaps (correct)
  • Longevity (correct)
  • Interoperability Issues (correct)
  • Introduction of the new malicious software/bugs (correct)
  • Test Coverage (correct)
  • Changing Requirements (correct)
  • Compatibility (correct)
  • Technical Debt (correct)
  • End of Life (correct)
  • What is the primary advantage of software maintenance?

  • Improved software quality (correct)
  • Software always aligned with the evolving business need (correct)
  • Longevity of the software (correct)
  • Reduce downtime and improve scalability (correct)
  • To be able to have continuous improvements (correct)
  • Improved collaboration (correct)
  • Competitive advantage (correct)
  • Enhanced security/user satisfaction (correct)
  • Which of the following are considered key concepts of system administration and maintenance?

    <p>Network management (A), System configuration (B), User management (C), Security management (D), System administration (E)</p> Signup and view all the answers

    Identify the essential steps of a computer system's startup sequence.

    <p>Initialization and configuration (A), Log in requirement if meada Ul na (B), Loads the boot loader (C), Initialization (D), Load operating system (E)</p> Signup and view all the answers

    What are the key aspects of user management?

    <p>User deactivation and removal (A), User authentication (B), Access control (C), User authorization (D), Password management (E), Data segregation (F), Compliance and reporting (G), User self-service (H), User training (I), User account creation (J), User monitoring and auditing (K), Users roles and groups (L)</p> Signup and view all the answers

    Match the following backup types with their descriptions:

    <p>Full Backup = A backup that includes all data on the system. Incremental Backup = A backup that includes only the data that has changed since the last full or incremental backup. Differential Backup = A backup that includes all data that has changed since the last full backup.</p> Signup and view all the answers

    The 3-2-1 Backup Rule emphasizes having three copies of data, two different storage formats, and one copy stored offsite.

    <p>True (A)</p> Signup and view all the answers

    What is the purpose of recovery testing?

    <p>To verify the effectiveness of backup and recovery procedures and ensure a successful restoration in case of data loss or system failure.</p> Signup and view all the answers

    Flashcards

    Adaptive Maintenance

    Adapting software to changing requirements and environments (e.g., new hardware, changing business needs).

    Perfective Maintenance

    Improving software quality, performance, or usability; adding new features.

    Preventive Maintenance

    Addressing potential problems before they occur by improving the software's infrastructure or correcting weaknesses.

    Corrective Maintenance

    Fixing bugs or errors in software.

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    Emergency Maintenance

    Fixing critical problems quickly to prevent system outage.

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    Software Troubleshooting

    Systematic process for identifying, analyzing, and resolving software problems.

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    Gather data

    Collecting information about the software issue, such as error messages, logs, and system status.

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    Identify the problem

    Analyze gathered data to determine the root cause of the software issue.

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    System administration

    Managing the operation of computer systems, encompassing daily tasks, security, and performance.

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    Shutdown process

    Series of actions to shut down a computer system gracefully, saving data and closing processes.

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    Full backup

    A backup that copies all data in a system.

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    Incremental backup

    A backup that copies only the changed data since the last backup.

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    Differential backup

    A backup that copies only the changed data since the last full backup.

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    Backup tools

    Software and hardware used in backing up data or a computer.

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    3-2-1 Backup Rule

    A rule ensuring data safety by keeping 3 copies, using 2 different storage formats and 1 off-site backup.

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    Recovery Time Objective (RTO)

    The maximum acceptable time for restoring system functionality after a disruption.

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    Recovery Point Objective (RPO)

    The maximum acceptable data loss that is tolerable.

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    User account creation

    Establishing user accounts including their rights, permissions, role, and privileges.

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    User authentication

    Verifying a user's identity.

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    User authorization

    Determining what actions a user is permitted to perform on a system.

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    Network addressing

    Assigning unique identifiers to devices on a network to enable communication.

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    Subnetting

    Dividing a large network into smaller subnetworks.

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    Firewall

    Network security system that controls incoming and outgoing network traffic.

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    Study Notes

    Software Maintenance Aspects

    • Adaptive Maintenance: Adjusting software to changing environments
    • Perfective Maintenance: Enhancing existing software functionality
    • Preventive Maintenance: Improving software resilience to future issues
    • Corrective Maintenance: Fixing identified errors
    • Emergency Maintenance: Addressing urgent problems

    Key Aspects of Software Maintenance

    • Bug fixing
    • Enhancement
    • Performance optimization
    • Migration
    • Re-engineering
    • Documentation

    Disadvantages of Software Maintenance

    • Cost
    • Compatibility issues
    • Longevity issues
    • Undocumented changes
    • Technological advancements
    • Integrity of changes
    • Complexity
    • Changing requirements
    • Testing coverage issues
    • Interoperability problems
    • Schedule disruptions from new malicious software introduction
    • Technical debt
    • User resistance
    • Skill gaps
    • Inadequate testing
    • End-of-life issues

    Advantages of Software Maintenance

    • Improved software quality
    • Enhanced security and user satisfaction
    • Software aligns with evolving business needs
    • Improved collaboration
    • Reduced downtime
    • Improved scalability

    Software Troubleshooting

    • Gather data/information
    • Identify the problem
    • Test potential solutions
    • Replicate the issue
    • Check obvious causes

    Module 8: Computer Network Components

    • End users
    • Links/connections
    • Design topologies
    • Arrangement of nodes
    • Network topology

    Administering Own Network Factors

    • Administer firewall and security measures
    • Network addressing
    • Subnetting the domain system

    Key Concepts of System Administration and Maintenance

    • System administration is responsible for daily operations
    • User management involves user account creation
    • System configuration involves installing and configuring OS and applications
    • Network management involves setting up and maintaining network devices
    • Security management includes applying security patches

    Key Aspects of User Management

    • User account creation
    • User authentication
    • User authorization
    • Access control
    • User roles and groups
    • User deactivation
    • Password management
    • User training
    • User monitoring and auditing
    • User self-service
    • Data segregation
    • Compliance and reporting

    File System Kernel

    • Presence of files
    • Formatting
    • Journaling

    Resource Management

    • Monitor CPU usage
    • Monitor memory
    • Monitor network
    • Application instances (software resource)
    • Resource monitoring and analysis
    • Resource allocation and optimization
    • Energy management
    • Virtualization and cloud management
    • Disaster recovery and backup
    • Capacity planning

    Backup and Recovery

    • Backup and recovery strategies are essential for data safety
    • 3-2-1 Backup Rule: 3 copies of data, 2 different storage formats, 1 offsite copy
    • Backup types: Full, incremental, differential, image-based, mirror, hybrid, continuous data protection
    • Backup tools: Software, built-in OS tools, network-attached storage
    • Restoration procedures: Identify failure, select backup, prepare, follow process, verify, test, monitor

    Restoration Procedure Aspects

    • Follow steps
    • Verify data integrity
    • Test restores
    • Monitor
    • Update recovery plans
    • Notify stakeholders
    • Ensure stakeholder communication
    • Recovery testing
    • Documentation of restoration process
    • Training

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    Related Documents

    SAM Module 7 & 8 Notes PDF

    Description

    This quiz covers various aspects of software maintenance, including different types, key benefits, and challenges associated with maintaining software. Understand the importance of adaptive, perfective, preventive, corrective, and emergency maintenance in enhancing software quality and performance.

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