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NTA Lesson 1 Quiz Latest Update Graded A+
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NTA Lesson 1 Quiz Latest Update Graded A+ Question: What is the primary purpose of a subnet mask in a network? Answer: A subnet mask is used to divide an IP address into network and host portions, enabling devices to determine whether a destination IP address is on the same local network o...

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  • August 16, 2024
  • 39
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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NTA Lesson 1 Quiz Latest Update
Graded A+
Question: What is the primary purpose of a subnet mask in a network?


Answer: ✔✔ A subnet mask is used to divide an IP address into network and host portions,

enabling devices to determine whether a destination IP address is on the same local network or

requires routing to a different network.




Question: How does a router differ from a switch in a network?


Answer: ✔✔ A router connects different networks and directs data between them, while a switch

connects devices within the same network and manages data traffic between those devices based

on MAC addresses.




Question: What is the function of the DNS in networking?


Answer: ✔✔ The Domain Name System (DNS) translates human-readable domain names (like

www.example.com) into IP addresses that computers use to identify and communicate with each

other on the network.




Question: What is the purpose of NAT in a network?




1

,Answer: ✔✔ Network Address Translation (NAT) allows multiple devices on a local network to

share a single public IP address for accessing external networks, such as the internet, enhancing

security and conserving IP addresses.




Question: Explain what a VPN is and its primary use.


Answer: ✔✔ A Virtual Private Network (VPN) creates a secure, encrypted connection over a

less secure network, such as the internet, allowing users to access network resources remotely

while protecting their data and privacy.




Question: What does the acronym TCP/IP stand for, and why is it important?


Answer: ✔✔ TCP/IP stands for Transmission Control Protocol/Internet Protocol. It is a

fundamental suite of communication protocols that enables data exchange over networks,

including the internet, by defining how data packets are transmitted and routed.




Question: What is the role of a DHCP server in a network?


Answer: ✔✔ A Dynamic Host Configuration Protocol (DHCP) server automatically assigns IP

addresses and other network configuration parameters to devices on the network, simplifying

network management and reducing manual configuration.




Question: Describe the difference between IPv4 and IPv6.

2

,Answer: ✔✔ IPv4 uses 32-bit addresses and is limited to about 4.3 billion unique addresses,

while IPv6 uses 128-bit addresses, providing a vastly larger address space and improved features

for modern networking needs.




Question: What is the purpose of the OSI model in networking?


Answer: ✔✔ The OSI (Open Systems Interconnection) model provides a conceptual framework

for understanding and designing network communication by dividing it into seven layers, each

responsible for different aspects of data transmission.




Question: How does a firewall protect a network?


Answer: ✔✔ A firewall monitors and controls incoming and outgoing network traffic based on

predetermined security rules, helping to prevent unauthorized access and protect the network

from potential threats.




Question: What is a VLAN and how does it benefit network management?


Answer: ✔✔ A Virtual Local Area Network (VLAN) segments a physical network into multiple

logical networks, improving network management, enhancing security, and reducing broadcast

traffic by isolating different network segments.




Which of the following describes a server-based network?

3

, a. A configuration of nodes, some of which are dedicated to providing resources to other hosts on

the network




b. A peer-to-peer file sharing protocol used for distributing large amounts of data




c. Workstations that use add-on software to participate in large, decentralized networks that are

usually located on the Internet




d. Groups of clients that communicate with one another to create a network that has no single

central database ✔✔a




Which of the following is true about packets?




a. When a sending host creates a packet, the process begins with Layer 7 of the OSI/RM and

continues through Layer 1.




b. When a sending host creates a packet, the process begins with Layer 1 of the OSI/RM and

continues through Layer 7.



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