Q41. What does “IP” in IP address stand for?
a) Internet Protocol
b) Internet Provider
c) Internal Protocol
d) International Program
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Correct Answer: a) Internet Protocol
Explanation: “IP” stands for Internet Protocol, which is a fundamental protocol for addressing and routing data packets between devices on a network.
Q42. Which of the following is NOT a characteristic of IPv6?
a) Provides a larger address space than IPv4
b) Uses dotted-decimal notation
c) Supports auto-configuration
d) Includes built-in security features
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Correct Answer: b) Uses dotted-decimal notation
Explanation: IPv6 uses hexadecimal notation for addresses, whereas IPv4 uses dotted-decimal notation.
Q43. What is the primary purpose of network firewalls?
a) To manage network traffic
b) To block unauthorized access to a network
c) To optimize internet speed
d) To provide email services
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Correct Answer: b) To block unauthorized access to a network
Explanation: Firewalls are used to block unauthorized access and protect a network by monitoring and controlling incoming and outgoing network traffic based on security rules.
Q44. What is a common method for securing a Wi-Fi network?
a) Using a static IP address
b) Implementing MAC address filtering
c) Disabling DHCP
d) Using a proxy server
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Correct Answer: b) Implementing MAC address filtering
Explanation: MAC address filtering is a method used to secure a Wi-Fi network by allowing only specified devices to connect based on their MAC addresses.
Q45. What is a common cause of DNS resolution issues?
a) Incorrect IP address configuration
b) Outdated operating system
c) Problems with the DNS server
d) Malware infections
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Correct Answer: c) Problems with the DNS server
Explanation: DNS resolution issues are often caused by problems with the DNS server, which prevents the translation of domain names into IP addresses.
Q46. How can you test if a specific port on a server is open?
a) Using a traceroute tool
b) Using a port scanner
c) Using a ping test
d) Using an IP address lookup
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Correct Answer: b) Using a port scanner
Explanation: A port scanner can be used to test if a specific port on a server is open and listening for connections, helping diagnose connectivity issues.
Q47. What is the function of network load balancing?
a) To monitor network performance
b) To distribute network traffic evenly across multiple servers
c) To encrypt network data
d) To manage user authentication
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Correct Answer: b) To distribute network traffic evenly across multiple servers
Explanation: Network load balancing distributes network traffic across multiple servers to improve performance, reliability, and availability of network services.
Q48. What is a common symptom of a network congestion issue?
a) Frequent device reboots
b) High latency or delay in network response
c) Frequent application updates
d) Low disk space
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Correct Answer: b) High latency or delay in network response
Explanation: Network congestion often results in high latency or delays in network response times due to excessive traffic on the network.
Q49. Which tool is used to analyze network packets?
a) Ping
b) Netstat
c) Wireshark
d) Traceroute
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Correct Answer: c) Wireshark
Explanation: Wireshark is a network protocol analyzer used to capture and analyze network packets, helping troubleshoot and diagnose network issues.
Q50. What is the purpose of Network Address Translation (NAT)?
a) To encrypt network traffic
b) To translate private IP addresses to public IP addresses
c) To monitor network performance
d) To allocate bandwidth dynamically
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Correct Answer: b) To translate private IP addresses to public IP addresses
Explanation: NAT (Network Address Translation) allows multiple devices on a local network to share a single public IP address when accessing external networks.