Chapter 29: Latest Technology Trends and Practice Resources (Set-8)
Which AI practice improves model reliability by tracking changes?
A B. Disk cleanup
B A. Model versioning
C C. Screen mirroring
D D. Manual filing
Model versioning keeps records of model files, data, and settings used in training. It helps compare results, rollback faulty versions, and maintain consistent performance during updates and deployment.
In cloud cost control, “autoscaling” helps by:
A B. Fixing size permanently
B C. Increasing idle servers
C A. Matching demand automatically
D D. Stopping monitoring
Autoscaling adds or removes resources based on traffic or load. It reduces cost by avoiding overprovisioning and helps maintain performance during peak demand.
In IoT, “firmware update” is critical mainly for:
A B. Printer ink saving
B C. Keyboard layout change
C D. Screen brightness
D A. Security patching
Firmware updates fix bugs and security flaws in IoT devices. Regular updates reduce hacking risk, improve stability, and keep devices compatible with new network standards.
5G enables network slicing mainly to:
A A. Create virtual networks
B B. Reduce storage size
C C. Stop encryption
D D. Remove base stations
Network slicing creates separate virtual networks on the same 5G infrastructure. Each slice can be optimized for needs like low latency, high speed, or massive IoT connectivity.
In blockchain, “smart contract” is best defined as:
A B. Manual paper contract
B C. Encrypted email message
C A. Self-executing code
D D. Random ledger entry
A smart contract is code stored on a blockchain that runs automatically when conditions are met. It reduces manual processing and improves trust in transactions without intermediaries.
AR “marker-based” systems often use:
A A. QR-like markers
B B. CPU registers
C C. Email headers
D D. Disk partitions
Marker-based AR uses printed patterns or QR-like markers to anchor digital objects. The camera detects the marker position and places the virtual overlay accurately on it.
A major VR challenge for beginners is:
A B. File corruption
B A. Motion sickness
C C. Printer delay
D D. BIOS errors
VR motion sickness can happen when visual movement does not match body movement. Proper frame rate, good tracking, and gradual usage help reduce discomfort for new users.
Edge computing plus cloud is used to:
A B. Replace all networks
B C. Stop data collection
C A. Balance speed and storage
D D. Avoid automation
Edge handles quick local decisions, while cloud stores and analyzes larger datasets. Together they reduce latency and bandwidth use while supporting long-term analytics and centralized management.
“Data lake” is mainly used to store:
A B. Only spreadsheets
B C. Only emails
C D. Only images
D A. Raw varied data
A data lake stores raw structured and unstructured data in one place. It supports advanced analytics and machine learning by keeping data available before strict formatting.
A key cybersecurity trend is “least privilege” which means:
A A. Minimum necessary access
B B. Unlimited admin rights
C C. Shared passwords
D D. No access control
Least privilege gives users only the access required for their tasks. This limits damage if an account is compromised and reduces risk from accidental or malicious actions.
RPA differs from AI because RPA mainly:
A B. Learns from images
B C. Writes creative text
C A. Follows fixed rules
D D. Predicts outcomes
RPA automates repetitive tasks using rule-based steps, like moving data between systems. AI learns patterns from data, while RPA works best when steps are clearly defined.
Green computing in data centers often uses:
A B. Extra idle servers
B A. Efficient cooling design
C C. Constant max CPU
D D. Old power supplies
Data centers consume large power, especially for cooling. Efficient cooling methods reduce electricity use, lower costs, and help reduce environmental impact.
Wearables typically sync health data through:
A A. Mobile companion app
B B. Paper report only
C C. Fax transmission
D D. BIOS interface
Wearables send data like steps and heart rate to a mobile app using Bluetooth. The app stores history, shows trends, and may share data with cloud health services.
Quantum computing “entanglement” helps by enabling:
A B. Faster printing
B C. Smaller monitors
C A. Linked qubit states
D D. Longer cables
Entanglement links qubits so their states are correlated. This property supports certain quantum computations and is one reason quantum systems can solve specific tasks differently than classical systems.
A growing cloud trend for deployment is:
A A. Infrastructure as Code
B B. Manual server setup
C C. Paper-based tracking
D D. Offline installation
Infrastructure as Code uses scripts to define servers and networks. It improves consistency, reduces manual errors, supports version control, and enables faster, repeatable cloud deployments.
SaaS “multi-tenant” architecture means:
A B. Separate hardware per user
B C. Offline user accounts
C A. Shared app instance
D D. Single-user licensing
Multi-tenant SaaS serves many customers using the same application instance while keeping their data isolated. It reduces cost and allows providers to update software efficiently.
Remote work security is improved by:
A B. Shared admin logins
B C. Saving passwords plain
C D. Using open Wi-Fi
D A. Zero trust access
Zero trust verifies every access request regardless of location. It reduces risk from stolen credentials by requiring strong authentication and continuous checks for users and devices.
Virtualization snapshots are useful because they:
A B. Increase malware
B A. Restore previous state
C C. Remove backups
D D. Slow boot always
Snapshots capture a VM’s state at a point in time. If something breaks during testing, you can roll back quickly, saving time and reducing risk during experiments.
Container images should be built to be:
A B. Large and unused
B C. Randomly edited
C A. Small and secure
D D. Full OS clones
Smaller images download faster and reduce attack surface. Secure images use trusted base layers, remove unnecessary tools, and follow best practices for safer deployment.
DevOps “CD” often means:
A A. Continuous delivery
B B. Computer display
C C. Central directory
D D. Code deletion
Continuous delivery automates the release process so software can be deployed reliably at any time. It reduces release risk by using automated testing and standardized deployment steps.
Data analytics “ETL” refers to:
A B. Encrypt transfer lock
B C. Edit text layout
C D. External token login
D A. Extract transform load
ETL extracts data from sources, transforms it into a usable format, and loads it into a database or warehouse. It supports reporting and reliable analytics.
Mobile apps using “biometrics” mainly improve:
A B. Printer speed
B C. File compression
C A. User authentication
D D. Monitor resolution
Biometric login uses fingerprint or face recognition to verify users. It improves security and convenience, especially for banking and payment apps that need strong authentication.
Fintech “tokenization” helps by:
A A. Replacing card details
B B. Increasing cash usage
C C. Slowing payments
D D. Sharing PIN openly
Tokenization replaces real card numbers with a token during transactions. If intercepted, tokens are less useful to attackers, reducing fraud risk in digital payments.
E-commerce “SSL/TLS” is important because it:
A B. Prints bills faster
B A. Encrypts data in transit
C C. Improves screen size
D D. Removes login needs
SSL/TLS encrypts data between browser and server. It protects login and payment information from interception, increasing trust and safety in online transactions.
Cyber awareness training often warns against:
A B. File naming rules
B C. Monitor cleaning
C A. Social engineering
D D. Keyboard covers
Social engineering tricks people into sharing sensitive information. Awareness training teaches users to verify requests, avoid suspicious links, and report unusual messages to prevent fraud.
Open-source risk increases when:
A A. Updates are ignored
B B. Community is active
C C. Code is reviewed
D D. Bugs are fixed
Open-source tools need regular updates because vulnerabilities can be publicly known. Ignoring patches leaves systems exposed, even if the software is widely trusted and used.
A tech career skill for data roles is:
A B. Ink refill skill
B C. Cable crimping only
C A. Basic SQL knowledge
D D. Fax handling
SQL helps query and manage data in databases. Many analytics and business roles require SQL for extracting reports, filtering datasets, and supporting dashboards.
Spaced revision works because it:
A B. Encourages last cramming
B C. Removes practice need
C D. Reduces understanding
D A. Strengthens long-term memory
Spaced revision repeats topics over time, improving retention and reducing forgetting. It helps recall definitions and key points during exams better than studying everything at once.
A good error log entry should include:
A B. Only final score
B A. Mistake cause analysis
C C. Only question count
D D. Only chapter name
Noting why you made a mistake helps fix the root issue, such as misreading, weak concept, or calculation error. This makes error logs useful for real improvement.
PYQ planning is stronger when combined with:
A A. Mock test practice
B B. Only reading notes
C C. Only shortcuts list
D D. Only watching videos
PYQs show past patterns, while mocks build exam performance skills like timing and strategy. Using both improves concept coverage and real exam readiness.
A key reason to do sectional mocks is:
A B. Change exam syllabus
B C. Reduce revision time
C A. Measure topic weakness
D D. Avoid accuracy tracking
Sectional tests give focused feedback on one area. They show where you lose marks and time, enabling targeted revision and better performance in weak sections.
Under negative marking, the best approach is:
A A. Attempt with elimination
B B. Guess every question
C C. Skip all questions
D D. Pick longest option
Elimination reduces options and increases success probability. This minimizes negative marking risk and supports smarter attempts when you are not completely sure.
Accuracy tracking is meaningful only when you:
A B. Check one random test
B A. Track multiple tests
C C. Ignore time taken
D D. Skip analytics
Accuracy trends become reliable across multiple tests. One test may be unusually easy or hard, so repeated tracking gives a clearer view of improvement.
Speed building should be improved without losing:
A B. Mouse battery
B C. Screen brightness
C D. File storage
D A. Question reading quality
Rushing can cause misreading keywords like “NOT” or “EXCEPT.” Speed practice should maintain careful reading so accuracy stays high and mistakes do not increase.
A good improvement plan must be:
A B. Random and changing
B C. Only motivational lines
C A. Data-driven and focused
D D. Avoiding weak areas
A strong plan uses analytics to pick weak topics and set clear goals. Focused practice and revision improve performance faster than random study.
Quick revision charts are best created:
A A. After completing a topic
B B. Before starting topic
C C. Without reading notes
D D. Only on exam day
Creating charts after learning ensures key points are accurate and meaningful. These charts become powerful last-minute revision tools, saving time and improving recall.
Typing practice for exams should include:
A B. Only speed drills
B C. Only backspace use
C D. Only copy paste
D A. Accuracy with speed
Typing accuracy matters because errors cost time and reduce quality. Balanced practice builds correct habits while gradually increasing speed, improving performance in typing-based CBT sections.
Keyboard mastery for CBT should include:
A B. Printer servicing
B C. Hardware soldering
C A. Navigation shortcuts
D D. Monitor calibration
Shortcuts help move quickly between questions, open review lists, and manage windows. This saves time and helps you stay focused during computer-based exams.
An online platform is more useful when it provides:
A B. Only questions list
B A. Detailed solution explanations
C C. No timer option
D D. No score report
Explanations teach correct logic, not just answers. This improves learning and helps avoid repeating mistakes, making online practice more effective than simple question banks.
Exam notifications should be checked for:
A B. Keyboard manufacturing
B C. Monitor warranty
C A. Pattern and syllabus updates
D D. Printer ink levels
Official notifications may change pattern, marking scheme, or syllabus topics. Checking them early prevents surprises and ensures your study plan matches the real exam rules.
PYQ revision becomes deeper when you:
A A. Revise related concepts
B B. Memorize answers only
C C. Skip explanations
D D. Avoid repeated topics
After solving a PYQ, revising the connected theory and similar questions builds stronger understanding. This helps handle new questions that test the same concept in a different way.
Analytics review should highlight:
A B. Wallpaper themes
B C. Device battery life
C D. Printer model
D A. Time per topic
Time analysis shows which topics consume extra minutes. This helps improve speed by practicing those areas and using better strategies to avoid time loss.
Stress management during timed mocks improves when you:
A B. Avoid practice tests
B A. Follow fixed routine
C C. Study without breaks
D D. Skip sleep always
A consistent routine builds confidence and reduces anxiety. Regular practice under similar conditions makes the real exam feel familiar, improving calmness and performance.
Smart guessing should be used only when:
A B. No clue exists
B C. Penalty is high
C A. Risk is controlled
D D. Time is unlimited
Controlled risk means you have eliminated options or have partial knowledge. This increases success probability and prevents unnecessary negative marks from blind guessing.
A weekly assessment plan is strongest when it includes:
A A. Review plus retest
B B. Only one test
C C. Only reading notes
D D. No error log
Reviewing mistakes and retesting similar questions ensures learning is fixed. This method converts weak points into strengths and provides steady improvement week by week.
A computer abbreviations list should be revised by:
A B. One-time reading
B C. Avoiding flashcards
C A. Frequent quick review
D D. Skipping repetition
Abbreviations are quick-recall items. Frequent short reviews help store them in memory and prevent confusion between similar terms during objective IT exams.
Diagram practice is useful for network topics because it:
A B. Reduces screen time
B A. Shows data flow
C C. Increases guessing
D D. Avoids understanding
Network diagrams clarify how layers communicate and how data travels. Understanding flow helps solve conceptual MCQs faster, especially those based on OSI model and network architecture.
Current affairs for IT should be studied mainly when:
A B. Friends recommend
B C. Social media trending
C D. Time is free
D A. Exam syllabus includes
IT current affairs can change rapidly, making them risky for stable MCQs. Study them only when the exam clearly demands them, focusing otherwise on fixed concepts and definitions.
A good practice resource set should include:
A B. Only one book
B C. Only notes
C A. PYQs plus mocks
D D. Only shortcuts
PYQs teach exam patterns and commonly asked topics. Mocks build timing and strategy. Together they provide stronger preparation than using only one resource type.
The best final preparation step is:
A A. Full mock with review
B B. New heavy chapters
C C. No practice session
D D. Random browsing
A final full mock checks readiness under real timing. Reviewing mistakes afterward strengthens weak points and improves confidence, helping you perform better on the actual exam day.