NTA Review A Questions and Answers
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Question: What is the primary function of a router in a network?
Answer: A router directs data packets between different networks, ensuring they reach the
correct destination by managing traffic and providing connectivity between disparate ...
Question: What is the primary function of a router in a network?
Answer: ✔✔ A router directs data packets between different networks, ensuring they reach the
correct destination by managing traffic and providing connectivity between disparate networks.
Question: What is the difference between TCP and UDP?
Answer: ✔✔ TCP (Transmission Control Protocol) is connection-oriented and ensures reliable
data transfer with error checking and acknowledgment, while UDP (User Datagram Protocol) is
connectionless and faster but does not guarantee data delivery.
Question: What does the acronym DHCP stand for, and what is its purpose?
Answer: ✔✔ DHCP stands for Dynamic Host Configuration Protocol. It automatically assigns IP
addresses and network configuration settings to devices on a network, simplifying network
management.
Question: Explain the concept of subnetting in IP networking.
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, Answer: ✔✔ Subnetting divides a larger network into smaller, more manageable sub-networks,
or subnets, to optimize performance, enhance security, and improve network organization by
limiting broadcast traffic within each subnet.
Question: What is a VLAN, and how does it improve network management?
Answer: ✔✔ A VLAN (Virtual Local Area Network) allows network administrators to segment
a physical network into multiple logical networks. This improves management by isolating
broadcast domains, enhancing security, and reducing congestion.
Question: Describe the purpose of NAT in networking.
Answer: ✔✔ NAT (Network Address Translation) allows multiple devices on a private network
to share a single public IP address. It translates private IP addresses to a public address for
communication over the internet, preserving limited IP addresses and enhancing security.
Question: What are the main differences between IPv4 and IPv6?
Answer: ✔✔ IPv4 uses 32-bit addresses, allowing for approximately 4.3 billion unique
addresses, while IPv6 uses 128-bit addresses, providing a vastly larger address space to
accommodate the growing number of devices and improve network efficiency.
Question: What is the function of a switch in a network?
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