Q51. What does WPA stand for in Wi-Fi security?
a) Wireless Protected Access
b) Wireless Public Access
c) Wired Protected Access
d) Wired Public Access
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Correct Answer: a) Wireless Protected Access
Explanation: WPA stands for Wireless Protected Access, a security protocol designed to protect wireless networks by encrypting data transmissions and ensuring secure authentication.
Q52. What is the main advantage of 5G technology over 4G?
a) Higher latency
b) Lower data speeds
c) Faster data transfer rates
d) Limited connectivity
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Correct Answer: c) Faster data transfer rates
Explanation: 5G technology offers faster data transfer rates compared to 4G, enabling quicker internet speeds and improved performance for mobile devices.
Q53. What is a common issue with using public Wi-Fi networks?
a) Increased connection speeds
b) Enhanced security features
c) Risk of data interception
d) Reliable connectivity
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Correct Answer: c) Risk of data interception
Explanation: Public Wi-Fi networks often pose a risk of data interception, as they are less secure and more susceptible to unauthorized access.
Q54. What does SSID stand for in Wi-Fi networks?
a) Secure Service Identifier
b) Standard Service Identifier
c) Service Set Identifier
d) Security Set Identifier
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Correct Answer: c) Service Set Identifier
Explanation: SSID stands for Service Set Identifier, which is the name of a wireless network used to identify and connect to a specific Wi-Fi network.
Q55. What is the typical range of a Wi-Fi network using 2.4 GHz frequency?
a) 10 meters
b) 50 meters
c) 100 meters
d) 500 meters
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Correct Answer: b) 50 meters
Explanation: Wi-Fi networks operating on the 2.4 GHz frequency typically have a range of up to 50 meters indoors, depending on environmental factors.
Q56. What is the purpose of a VPN (Virtual Private Network)?
a) To increase internet speed
b) To provide a secure connection over a public network
c) To manage email traffic
d) To configure network hardware
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Correct Answer: b) To provide a secure connection over a public network
Explanation: A VPN (Virtual Private Network) creates a secure and encrypted connection over a public network, protecting data and privacy while using the internet.
Q57. What is a subnet in networking?
a) A device that connects multiple networks
b) A portion of an IP address used for routing
c) A smaller network within a larger network
d) A protocol for managing network traffic
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Correct Answer: c) A smaller network within a larger network
Explanation: A subnet is a smaller network created within a larger network, allowing for better organization and management of IP addresses.
Q58. What is a network topology?
a) The physical layout of network cables
b) The logical arrangement of network devices and connections
c) The speed of network connections
d) The type of network protocol used
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Correct Answer: b) The logical arrangement of network devices and connections
Explanation: Network topology refers to the logical arrangement of network devices and connections, including types like star, ring, and mesh topologies.
Q59. What is the primary function of an IP address?
a) To identify and locate devices on a network
b) To encrypt data transmissions
c) To manage network traffic
d) To filter network content
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Correct Answer: a) To identify and locate devices on a network
Explanation: An IP address uniquely identifies and locates devices on a network, allowing them to communicate with each other.
Q60. What does “QoS” stand for in networking?
a) Quality of Service
b) Quantity of Service
c) Quick Operating System
d) Query of Service
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Correct Answer: a) Quality of Service
Explanation: QoS (Quality of Service) refers to techniques used to manage network traffic and ensure the performance of critical applications by prioritizing certain types of traffic.