Computer Knowledge
Computer Networks
2,256 Questions
Computer networks form the backbone of digital communication, connecting multiple devices to share data and resources. This area covers network architectures, transmission media, modems, and topologies like LAN. These concepts are crucial for computer knowledge sections in banking and government exams.
Network topologiesModulation and demodulationNetwork addressingFiber optic cablesWireless infrastructure
Computer Networks Questions
What is the name of the technology that allows 5G networks to reduce interference from other networks?
-
Carrier aggregation
-
Beamforming
-
Massive MIMO
-
Network slicing
B
Correct answer
Explanation
Beamforming is the technology that allows 5G networks to reduce interference from other networks.
What is the primary objective of Network Virtualization?
-
To improve network security
-
To enhance network performance
-
To reduce network complexity
-
To enable network resource sharing
D
Correct answer
Explanation
Network Virtualization aims to divide a physical network into multiple virtual networks, allowing multiple users or applications to share the same physical infrastructure.
Which technology is commonly used to create virtual networks?
C
Correct answer
Explanation
VXLAN (Virtual Extensible LAN) is a widely adopted technology for creating virtual networks over a shared physical infrastructure.
Which technology is commonly used for overlay networks in Network Virtualization?
C
Correct answer
Explanation
VXLAN is widely used for overlay networks in Network Virtualization, enabling the creation of virtual networks that span multiple physical networks.
Which technology is commonly used for network segmentation in Network Virtualization?
A
Correct answer
Explanation
VLANs (Virtual Local Area Networks) are widely used for network segmentation in Network Virtualization, allowing multiple logical networks to coexist on the same physical infrastructure.
Which technology is commonly used for service chaining in Network Virtualization?
D
Correct answer
Explanation
NFV (Network Function Virtualization) is commonly used for service chaining in Network Virtualization, enabling the chaining of virtual network functions to create customized network services.
Which technology is commonly used for network slicing in Network Virtualization?
D
Correct answer
Explanation
SDN (Software-Defined Networking) is commonly used for network slicing in Network Virtualization, enabling the creation of multiple virtual networks with different characteristics and policies.
What is the primary advantage of using Network Virtualization in mobile networks?
-
Improved network coverage
-
Enhanced network capacity
-
Increased network security
-
Reduced network latency
B
Correct answer
Explanation
Network Virtualization in mobile networks enables the efficient use of network resources, resulting in enhanced network capacity.
Which technology is commonly used for network orchestration in Network Virtualization?
D
Correct answer
Explanation
NFV (Network Function Virtualization) is commonly used for network orchestration in Network Virtualization, enabling the automated provisioning and management of virtual network functions.
What is the primary objective of 5G spectrum testing?
-
To evaluate the performance of 5G devices in real-world conditions
-
To ensure compliance with regulatory standards
-
To optimize network configurations for improved performance
-
To conduct market research and gather customer feedback
A
Correct answer
Explanation
5G spectrum testing is primarily conducted to assess the performance of 5G devices in real-world conditions, ensuring that they meet the expected standards and provide a seamless user experience.
Which of the following is NOT a key parameter evaluated during 5G spectrum testing?
-
Throughput
-
Latency
-
Coverage
-
Power consumption
D
Correct answer
Explanation
Power consumption is not typically a key parameter evaluated during 5G spectrum testing, as it is more relevant to device-level testing rather than network-level testing.
What is the purpose of conducting drive testing in 5G spectrum testing?
-
To assess network performance while moving at high speeds
-
To identify areas with poor signal strength or coverage
-
To evaluate the impact of environmental factors on network performance
-
To gather data for network planning and optimization
A
Correct answer
Explanation
Drive testing in 5G spectrum testing is conducted to assess network performance while moving at high speeds, simulating real-world conditions experienced by users in mobile environments.
Which technology is commonly used for conducting 5G spectrum testing?
-
Beamforming
-
Massive MIMO
-
OFDM
-
Carrier Aggregation
B
Correct answer
Explanation
Massive MIMO (Multiple-Input Multiple-Output) is a key technology used in 5G spectrum testing due to its ability to increase network capacity and improve signal quality.
What is the significance of spectrum efficiency in 5G spectrum testing?
-
It determines the amount of data that can be transmitted over a given spectrum bandwidth
-
It affects the overall network capacity and user experience
-
It helps in reducing interference and improving signal quality
-
It enables the use of higher frequencies for 5G communication
A
Correct answer
Explanation
Spectrum efficiency is crucial in 5G spectrum testing as it determines the amount of data that can be transmitted over a given spectrum bandwidth, impacting network capacity and user experience.
Which of the following is NOT a common challenge encountered during 5G spectrum testing?
-
Interference from other wireless technologies
-
Limited availability of test equipment
-
Unfavorable weather conditions
-
High cost of testing
D
Correct answer
Explanation
High cost of testing is not typically a common challenge encountered during 5G spectrum testing, as testing equipment and methodologies have become more accessible and affordable.