Networking and Communications: Master the Basics for Eighth Graders

Question 1

Which network protocol is used to establish and maintain connections between devices on a network?

Accepted Answer

TCP (Transmission Control Protocol)

Answer

HTTP (Hypertext Transfer Protocol)

Answer

UDP (User Datagram Protocol)

Question 2

To troubleshoot network issues effectively, which steps should you take in the correct order?

Accepted Answer

Identify the problem, Isolate the cause, Implement solutions, Test the solution

Answer

Identify the problem, Implement solutions, Test the solution, Isolate the cause

Answer

Implement solutions, Identify the problem, Isolate the cause, Test the solution

Answer

Test the solution, Identify the problem, Implement solutions, Isolate the cause

Question 3

What's the primary role of a routing protocol in a network?

Accepted Answer

Directing data along the optimal path between devices

Answer

Establishing and maintaining connections between devices

Answer

Protecting data during transmission

Question 4

Which metric in a computer network measures the time it takes for a data packet to travel from its source to its destination?

Accepted Answer

Latency

Answer

Throughput

Answer

Jitter

Answer

Packet Loss

Question 5

Which network management tool is specifically designed to monitor network traffic and assist in identifying potential issues or problems?

Accepted Answer

Wireshark

Answer

Ping

Answer

Traceroute

Answer

Netstat

Question 6

What's the primary purpose of a Media Access Control (MAC) address in network communication?

Accepted Answer

Assigning unique physical addresses to devices on a network for communication and addressing.

Answer

Translating domain names into IP addresses for internet access.

Answer

Encrypting data during transmission for network security.

Question 7

Which of the following is NOT a network security protocol or technique?

Accepted Answer

DHCP (Dynamic Host Configuration Protocol)

Answer

VPN (Virtual Private Network)

Answer

Firewall

Answer

SSL/TLS (Secure Sockets Layer/Transport Layer Security)

Question 8

Which innovative networking technology distinguishes between the control and data planes, allowing for centralized and automated network management?

Accepted Answer

Software Defined Networking (SDN)

Answer

Network Function Virtualization (NFV)

Answer

Intention-Based Networking (IBN)

Answer

Cloud-Native Networking (CNN)

Question 9

Sarah, a small business owner, wants to use a cloud service to enhance her company's efficiency. Which cloud service model offers Sarah the most control over the underlying infrastructure?

Accepted Answer

Infrastructure as a Service (IaaS)

Answer

Software as a Service (SaaS)

Answer

Platform as a Service (PaaS)

Question 10

Which of the following is an advantage of using wireless network technologies over wired networks?

Accepted Answer

Increased flexibility and convenience

Answer

Reduced mobility

Answer

Enhanced security

Question 11

When personal data is collected and stored for networking and communications, what ethical concern is raised?

Accepted Answer

Balancing privacy rights with data-driven insights

Answer

Ensuring data accuracy

Answer

Protecting data from unauthorized access

Answer

Following laws and regulations

Question 12

What is the main purpose of network management systems (NMS)?

Accepted Answer

Monitoring network performance and identifying issues

Answer

Performing system backups and software updates

Answer

Granting access to network resources for authorized users

Answer

Protecting the network from cyber threats and attacks

Question 13

Within a network infrastructure, what is the main function of a network switch?

Accepted Answer

Connecting devices to facilitate data exchange.

Answer

Assigning IP addresses to devices.

Answer

Providing internet access.

Answer

Safeguarding the network from unauthorized access.

Question 14

In the OSI model, which layer is responsible for ensuring reliable data transmission by implementing error and flow control mechanisms?

Accepted Answer

Transport Layer

Answer

Network Layer

Answer

Session Layer

Answer

Application Layer

Question 15

To isolate a faulty network cable, which tool is most suitable?

Accepted Answer

Cable tester

Answer

Ping

Answer

Traceroute

Answer

Network monitor

Question 16

Which cloud deployment model provides scalability and cost savings, but limits control over infrastructure and security?

Accepted Answer

Public cloud

Answer

Private cloud

Answer

Hybrid cloud

Answer

Community cloud

Question 17

What is the primary purpose of a network protocol?

Accepted Answer

To establish rules for communication between devices

Answer

To provide security for network traffic

Answer

To manage network resources

Answer

To connect different types of networks

Question 18

Which type of network security threat involves unauthorized access to a network or its resources?

Accepted Answer

Hacking

Answer

Malware

Answer

Phishing

Answer

Spoofing

Question 19

What is the key difference between a modem and a router?

Accepted Answer

A modem connects to the internet, while a router distributes the internet connection to devices

Answer

A router connects to the internet, while a modem distributes the internet connection to devices

Answer

A modem and a router are the same thing

Answer

Neither of the above

Question 20

Which of the following is NOT a function of the World Wide Web (WWW)?

Accepted Answer

Sending and receiving emails

Answer

Browsing websites

Answer

Transferring files

Answer

Playing online games

Question 21

What is the name of the protocol that allows computers to communicate with each other over the internet?

Accepted Answer

TCP/IP

Answer

HTTP

Answer

FTP

Answer

DNS

Question 22

What is the primary purpose of a firewall?

Accepted Answer

To prevent unauthorized access to a network

Answer

To scan for and remove malware

Answer

To encrypt network traffic

Answer

To monitor network traffic

Question 23

What is the name of the device on a network that assigns IP addresses to devices?

Accepted Answer

DHCP server

Answer

DNS server

Answer

Router

Answer

Switch

Question 24

What type of network topology connects all computers to a central device?

Accepted Answer

Star

Answer

Bus

Answer

Ring

Answer

Mesh

Question 25

Which network protocol is responsible for assigning IP addresses?

Accepted Answer

DHCP

Answer

TCP

Answer

UDP

Answer

DNS

Question 26

What type of encryption is used to secure data in transit?

Accepted Answer

Symmetric

Answer

Asymmetric

Answer

Hashing

Answer

Salt

Question 27

What is the purpose of a router?

Accepted Answer

To route traffic between networks

Answer

To connect devices to the internet

Answer

To provide wireless access

Answer

To store data

Question 28

What is the purpose of a firewall?

Accepted Answer

To prevent unauthorized access to a network

Answer

To speed up internet traffic

Answer

To scan for viruses

Answer

To backup data

Question 29

Which of the following is NOT a benefit of using a network?

Accepted Answer

Increased vulnerability

Answer

Resource sharing

Answer

Improved communication

Answer

Enhanced productivity

Question 30

Which of the following is an unethical practice for network administrators to engage in?

Accepted Answer

Selling user data for profit

Answer

Safeguarding user privacy

Answer

Preventing unauthorized access to sensitive data

Answer

Monitoring user activity for malicious intent

Question 31

How do 5G and edge computing contribute to the development of smart cities?

Accepted Answer

Enhanced connectivity and real-time data processing

Answer

Improved cybersecurity measures

Answer

Reduced costs for network infrastructure

Question 32

What is the main purpose of network management systems (NMS) in network operations?

Accepted Answer

Monitor network performance and security

Answer

Grant remote access to network devices

Answer

Configure network devices

Answer

Transmit data across the network

Question 33

How do network routing protocols, such as RIP and OSPF, assist in delivering data across networks?

Accepted Answer

RIP and OSPF determine the best path for data to travel, considering factors like distance and network traffic.

Answer

RIP and OSPF encrypt data before sending it across networks, ensuring data security.

Answer

RIP and OSPF connect different types of networks, allowing data to flow between them.

Answer

RIP and OSPF manage network traffic to prevent congestion and ensure smooth data delivery.

Question 34

What is latency, and how can we reduce its impact on network performance?

Accepted Answer

Latency is the delay in data transmission over a network. To minimize its effects, optimize network architecture, use load balancing, and implement caching.

Answer

Latency only affects high-bandwidth applications like video streaming and online gaming.

Answer

Increasing network bandwidth is the only effective way to reduce latency.

Question 35

A hospital network has been infected by a new strain of malware. Describe the immediate steps you would take to contain and eliminate the outbreak.

Accepted Answer

Isolate infected computers, run antivirus and anti-malware scans, and monitor network traffic.

Answer

Shut down the entire network and contact a computer repair technician.

Answer

Send an email to all users instructing them to change their passwords.

Answer

Do nothing and hope the malware resolves itself.

Question 36

In a computer network, what is the primary function of a network protocol?

Accepted Answer

To define common rules for data transmission

Answer

To enhance network security

Answer

To manage network resources

Answer

To connect different devices to the network

Question 37

Question:

How is artificial intelligence (AI) transforming modern networking? Explain the key roles of AI in automating network management, optimizing performance, and enhancing security.

Accepted Answer

AI automates routine network management tasks, freeing up network administrators to focus on strategic initiatives.

Accepted Answer

AI analyzes network traffic patterns and adjusts routing and bandwidth allocation to optimize performance for different applications.

Accepted Answer

AI monitors network traffic and detects suspicious activities to enhance security against cyber threats.

Answer

AI is not currently being used in networking.

Question 38

As a network administrator, what is the most responsible action to take if you discover a user accessing inappropriate websites?

Accepted Answer

Talk to the user, explain the consequences of their actions, and educate them about appropriate website usage

Answer

Report the user to the authorities

Answer

Block the user from accessing the internet

Question 39

In a network, data travels from one computer to another. Which path does it take through the layers of the OSI model?

Accepted Answer

Application, Transport, Network, Data Link, Physical

Answer

Network, Transport, Application, Data Link, Physical

Answer

Data Link, Physical, Application, Transport, Network

Answer

Physical, Application, Transport, Network, Data Link

Question 40

What is the primary purpose of a computer network?

Accepted Answer

To connect computers and devices for sharing resources and information.

Answer

To provide internet access to computers.

Answer

To run specific software applications.

Answer

To facilitate online gaming.

Question 41

In a three-tiered client-server architecture for a web application, which tier handles displaying the user interface and interacting with the user?

Accepted Answer

Presentation tier

Answer

Application tier

Answer

Database tier

Question 42

Which of the following is NOT a recognized type of network topology?

Accepted Answer

Cluster

Answer

Bus

Answer

Star

Answer

Ring

Question 43

What is the main purpose of a firewall?

Accepted Answer

To prevent unauthorized access to a network

Answer

To detect and block malware

Answer

To encrypt network traffic

Answer

To provide network monitoring

Question 44

What is the primary function of a router in a network?

Accepted Answer

To connect different networks

Answer

To provide internet access

Answer

To store data

Answer

To manage network security

Question 45

What is the primary purpose of a MAC address?

Accepted Answer

To identify a specific device on a network

Answer

To provide security for network traffic

Answer

To store user preferences

Answer

To connect to the internet

Question 46

What network topology connects devices in a linear fashion in which the signal passes from one device to the next?

Accepted Answer

Bus

Answer

Star

Answer

Ring

Answer

Tree

Question 47

Which unique identifier is assigned to a specific network interface card or device and is used for communication on a network?

Accepted Answer

MAC address

Answer

IP address

Answer

DNS name

Answer

URL

Question 48

What is the primary distinction between a firewall and an antivirus program in terms of network security?

Accepted Answer

Firewalls protect against unauthorized network access, while antivirus programs protect against malicious software

Answer

Antivirus programs protect against unauthorized network access, while firewalls protect against malicious software

Answer

Both firewalls and antivirus programs protect against both unauthorized network access and malicious software

Answer

Neither firewalls nor antivirus programs provide any protection

Question 49

What is the primary function of a modem in the context of networking?

Accepted Answer

To convert analog signals to digital signals

Answer

To convert digital signals to analog signals

Answer

To provide internet access to a device

Answer

To protect a network from unauthorized access

Question 50

Which internet connection type is characterized by the highest data transfer speeds?

Accepted Answer

Fiber optic

Answer

Dial-up

Answer

DSL

Answer

Cable

Question 51

What is the term for a virtual storage space accessed over the internet?

Accepted Answer

Cloud

Answer

Data center

Answer

Network topology

Answer

Malware

Question 52

Which entity is responsible for providing internet access to customers?

Accepted Answer

ISP

Answer

Network infrastructure provider

Answer

Internet regulator

Answer

Website developer

Question 53

What is the primary difference between a LAN and a WAN in terms of their geographical scope?

Accepted Answer

LANs are designed for smaller areas and shorter distances than WANs

Answer

WANs are designed for smaller areas and shorter distances than LANs

Answer

LANs and WANs cover similar geographical areas and distances

Answer

LANs are public networks, while WANs are private networks

Question 54

Why are network simulation tools primarily used?

Accepted Answer

To test and validate network designs before they are built.

Answer

To monitor and troubleshoot existing networks.

Answer

To hack into other networks.

Question 55

How does artificial intelligence (AI) enhance network security?

Accepted Answer

AI algorithms can detect and respond to cyber threats in real-time.

Answer

AI can optimize network performance by adjusting configurations.

Answer

AI-powered tools can simplify network management tasks.

Answer

AI chatbots can provide customer support for network issues.

Question 56

Which type of network connects devices within a limited area, like a home or office?

Accepted Answer

LAN (Local Area Network)

Answer

MAN (Metropolitan Area Network)

Answer

WAN (Wide Area Network)

Question 57

Why are network monitoring tools primarily used?

Accepted Answer

To detect and resolve network issues before they disrupt operations

Answer

To monitor user actions and prevent unauthorized access

Answer

To enhance network bandwidth and data transfer rates

Answer

To gather data for marketing and sales purposes

Question 58

Which network segmentation technique creates separate broadcast domains within a network, enhancing security and traffic management?

Accepted Answer

VLAN (Virtual LAN)

Answer

Firewall

Answer

Proxy Server

Answer

Subnet

Question 59

Which network protocol is primarily responsible for establishing and maintaining connections between devices on a network?

Accepted Answer

TCP

Answer

IP

Answer

HTTP

Answer

DNS

Question 60

What is the primary purpose of a firewall in a network?

Accepted Answer

To prevent unauthorized access to the network

Answer

To facilitate communication between different networks

Answer

To translate domain names to IP addresses

Answer

To provide wireless connectivity

Question 61

Which of the following is considered a wireless network technology?

Accepted Answer

Bluetooth

Answer

Ethernet

Answer

Fiber optic

Answer

Coaxial cable

Question 62

What is the primary function of a router in a network?

Accepted Answer

To connect different networks and forward traffic

Answer

To translate domain names to IP addresses

Answer

To provide encryption for data transmission

Answer

To monitor network traffic and detect anomalies

Question 63

What does the acronym 'ISP' primarily stand for?

Accepted Answer

Internet Service Provider

Answer

Information System Protocol

Answer

Internal Server Protocol

Answer

Internet Security Program

Question 64

What is the primary purpose of a network operating system (NOS)?

Accepted Answer

To manage network resources and services

Answer

To provide security for network devices

Answer

To translate domain names to IP addresses

Answer

To connect different networks