Q.1 Which technology is considered the backbone of 5G networks due to its low latency and high data rates?
Wi-Fi 6
Fiber Optics
Millimeter Wave (mmWave)
LTE
Explanation - mmWave frequencies offer high bandwidth and low latency, making them essential for 5G network performance.
Correct answer is: Millimeter Wave (mmWave)
Q.2 SDN (Software-Defined Networking) primarily separates which two layers in a network?
Data plane and control plane
Application layer and transport layer
MAC layer and IP layer
Hardware layer and cloud layer
Explanation - SDN separates the control plane (network logic) from the data plane (packet forwarding) for easier management and flexibility.
Correct answer is: Data plane and control plane
Q.3 What is the primary benefit of Network Function Virtualization (NFV)?
Faster Wi-Fi speeds
Replacing physical network devices with software-based virtual instances
Improved fiber optic transmission
Enhanced mobile battery life
Explanation - NFV virtualizes network functions such as firewalls or routers, reducing reliance on dedicated hardware and increasing scalability.
Correct answer is: Replacing physical network devices with software-based virtual instances
Q.4 Which emerging network technology enables devices to communicate without centralized infrastructure?
Mesh Networking
Cellular 5G
Satellite Internet
Ethernet
Explanation - Mesh networks allow devices to relay data among themselves, providing decentralized communication and better coverage.
Correct answer is: Mesh Networking
Q.5 Edge computing in networking refers to:
Centralized cloud servers processing all data
Processing data near the data source instead of a centralized cloud
Upgrading routers frequently
Using satellites for global communication
Explanation - Edge computing reduces latency and bandwidth usage by processing data locally near where it is generated.
Correct answer is: Processing data near the data source instead of a centralized cloud
Q.6 Which networking trend uses AI to automate traffic management, fault detection, and network optimization?
Cognitive Networking
Blockchain Networking
Ethernet Switching
Wi-Fi 5
Explanation - Cognitive networking integrates AI and machine learning to make networks self-managing, adaptive, and intelligent.
Correct answer is: Cognitive Networking
Q.7 LoRaWAN is mainly used in networking for:
High-speed fiber networks
Long-range, low-power IoT communication
Satellite-based internet
5G core network
Explanation - LoRaWAN enables IoT devices to communicate over long distances with minimal energy consumption, ideal for sensor networks.
Correct answer is: Long-range, low-power IoT communication
Q.8 Which technology improves network security by creating immutable distributed ledgers?
Blockchain
SDN
NFV
Mesh Networking
Explanation - Blockchain ensures secure, tamper-proof transactions and can be used to enhance network authentication and trust.
Correct answer is: Blockchain
Q.9 What is a major advantage of IPv6 over IPv4 in modern networking?
Higher latency
Unlimited multicast support
Larger address space
Faster wireless speeds
Explanation - IPv6 provides 128-bit addresses, vastly increasing the number of unique IP addresses compared to IPv4's 32-bit addresses.
Correct answer is: Larger address space
Q.10 Which concept allows multiple virtual networks to operate on the same physical network infrastructure?
Network Slicing
Mesh Networking
VPN
Fiber Optics
Explanation - Network slicing creates separate virtual networks with specific characteristics over shared physical infrastructure, commonly used in 5G.
Correct answer is: Network Slicing
Q.11 Quantum networking aims to achieve:
Low-cost fiber installation
Secure communication using quantum states
Faster 5G speeds
Energy-efficient routers
Explanation - Quantum networking uses principles like entanglement to provide theoretically unbreakable encryption and secure data transfer.
Correct answer is: Secure communication using quantum states
Q.12 Which of these is a key feature of Wi-Fi 6 (802.11ax)?
OFDMA and MU-MIMO for better efficiency
Supports only 2.4 GHz band
Requires fiber connectivity
Decentralized IP addressing
Explanation - Wi-Fi 6 introduces technologies like OFDMA and MU-MIMO to improve network efficiency, reduce latency, and serve more devices simultaneously.
Correct answer is: OFDMA and MU-MIMO for better efficiency
Q.13 Which emerging technology allows network devices to self-organize and self-heal in case of failures?
Autonomic Networking
Cloud Computing
SD-WAN
VPN
Explanation - Autonomic networking uses self-managing principles to automatically configure, monitor, and repair network elements.
Correct answer is: Autonomic Networking
Q.14 In IoT networks, NB-IoT is designed to provide:
High data rate for video streaming
Low power, wide-area connectivity
Satellite communication
Secure blockchain transactions
Explanation - NB-IoT (Narrowband IoT) is optimized for devices that need long battery life and connectivity over large geographic areas.
Correct answer is: Low power, wide-area connectivity
Q.15 Which technology trend focuses on integrating computing, storage, and networking closer to users?
Edge Computing
SDN
Mesh Networking
VPN
Explanation - Edge computing reduces latency and bandwidth usage by bringing resources closer to end users, rather than relying entirely on centralized cloud servers.
Correct answer is: Edge Computing
Q.16 Which network virtualization technology allows dynamic routing and programmable control?
SDN
Ethernet
VPN
LoRaWAN
Explanation - Software-Defined Networking allows network administrators to programmatically control traffic and dynamically route data through virtualized networks.
Correct answer is: SDN
Q.17 Which trend in networking is crucial for supporting massive IoT deployments in smart cities?
LPWAN (Low-Power Wide-Area Networks)
Fiber optics
5G mmWave
VPN
Explanation - LPWAN technologies provide long-range, low-power connectivity for thousands of IoT devices in urban and rural areas.
Correct answer is: LPWAN (Low-Power Wide-Area Networks)
Q.18 Which networking concept is critical for ensuring Quality of Service (QoS) in 5G networks?
Network Slicing
Mesh Networking
IPv4
VPN
Explanation - Network slicing allows multiple virtual networks with dedicated performance levels over the same physical 5G infrastructure, ensuring QoS for different applications.
Correct answer is: Network Slicing
Q.19 What is a major challenge in implementing quantum networks?
Limited IP addresses
Maintaining quantum entanglement over long distances
Low Wi-Fi speeds
Decentralized SDN management
Explanation - Quantum networks rely on entanglement, which is difficult to maintain over long distances due to decoherence and loss in transmission.
Correct answer is: Maintaining quantum entanglement over long distances
Q.20 Which technology trend enables automated traffic routing between multiple WAN links in enterprise networks?
SD-WAN
Mesh Networking
5G mmWave
VPN
Explanation - Software-Defined Wide Area Networking (SD-WAN) allows intelligent and automated routing over multiple WAN connections for better performance and cost efficiency.
Correct answer is: SD-WAN
Q.21 Which technology is designed to allow billions of connected devices to communicate efficiently?
IoT Networking
Ethernet
Fiber Optics
VPN
Explanation - IoT networking provides protocols, standards, and architectures to handle massive device connectivity, low power, and diverse communication needs.
Correct answer is: IoT Networking
Q.22 Which trend in networking emphasizes programmable, software-controlled network infrastructures?
SDN
IPv6
Mesh Networking
5G mmWave
Explanation - SDN allows centralized and programmable control of networks, separating data and control planes for flexibility and automation.
Correct answer is: SDN
Q.23 Which emerging technology uses AI and analytics to predict and prevent network failures?
Cognitive Networking
Ethernet Switching
VPN
LoRaWAN
Explanation - Cognitive networks leverage AI, machine learning, and analytics to proactively manage and optimize network performance.
Correct answer is: Cognitive Networking
Q.24 Which communication technology is preferred for low-latency vehicle-to-everything (V2X) applications?
5G URLLC (Ultra-Reliable Low-Latency Communication)
Wi-Fi 5
Ethernet
VPN
Explanation - 5G URLLC provides extremely low latency and high reliability, which is crucial for safety-critical V2X applications in smart transportation.
Correct answer is: 5G URLLC (Ultra-Reliable Low-Latency Communication)
Q.25 Which emerging network security approach uses decentralized consensus for authentication?
Blockchain-based Security
SDN
VPN
Mesh Networking
Explanation - Blockchain can provide tamper-proof authentication and access control without relying on centralized authorities.
Correct answer is: Blockchain-based Security