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WorksheetsNetworking and Security Concepts Worksheet
Total questions: 20
Worksheet time: 10mins
What are the two basic methods humans typically use to communicate?
Speaking and writing
Texting and emailing
Verbal and non-verbal
Digital and analog
What is a MAC address?
A temporary identifier for network devices
A unique identifier hardcoded by the manufacturer
An Internet Protocol address
A changeable address assigned by network administrators
Which of the following best describes a Network Interface Card (NIC)?
A software program that manages network connections
A component that holds the MAC address of the device
A protocol for identifying devices on a network
A type of IP address
What format is used for IPv4 addresses?
Hexadecimal digits separated by colons
Binary digits separated by periods
Four decimal numbers separated by dots
Six hexadecimal digits separated by hyphens
What does ARP stand for?
Address Resolution Protocol
Advanced Router Protocol
Automated Response Process
Access Request Protocol
What is the purpose of ARP in a network?
To assign IP addresses to devices
To find the MAC address associated with an IP address
To encrypt data between devices
To establish a secure connection between devices
What is a DoS attack?
An attack that steals sensitive information
An attack that encrypts data for ransom
An attack that prevents a system from functioning normally
An attack that creates fake user accounts
In a DDoS attack, what is a "zombie"?
A malicious program that deletes system files
A computer system unaware it is involved in the attack
A fake user account created by hackers
A security program that detects network threats
What is a "SYN Flood" attack?
An attack that overloads a system with authentication requests
An attack that misuses the 3-way handshake
An attack that floods email servers with spam
An attack that targets wireless networks
What happens during a SYN Flood attack?
The attacker completes multiple handshakes to overwhelm the server
The attacker doesn't send the final ACK, leaving the victim waiting
The attacker sends malicious code in the SYN packet
The attacker changes the victim's MAC address
What is an "unintentional DoS"?
When a digital resource becomes suddenly popular and can't handle demand
When a server is accidentally shut down by an administrator
When a network cable is accidentally disconnected
When a software update causes system failures
What is a "permanent DoS"?
A digital attack that permanently disables software
A physical attack resulting in damage to digital resources
A virus that cannot be removed from a system
An attack that permanently changes network configurations
What is a "botnet" in the context of DDoS attacks?
A network of security programs
A collection of automated testing tools
A network of compromised computers controlled by an attacker
A group of network administrators
Which of the following is a step organizations can take to mitigate SYN Flood attacks?
Increase the time-out value for connections
Reduce the number of available connections
Reduce the time-out value for connections
Increase the size of data packets
Why might networks block ping packets from external sources?
Ping packets are too large and consume bandwidth
Ping has many uses for reconnaissance and attacks
Ping packets are incompatible with modern networks
Ping ONLY creates security vulnerabilities in firewalls
What is the format of a MAC address?
Four decimal numbers separated by dots
12 hexadecimal digits, often separated by colons or hyphens
A series of binary digits
8 alphanumeric characters
What is the main difference between a MAC address and an IP address?
MAC addresses are temporary, while IP addresses are permanent
MAC addresses are assigned by the network, while IP addresses are hardcoded
MAC addresses are physical addresses hardcoded by manufacturers, while IP addresses are logical and changeable
MAC addresses are used only for local networks, while IP addresses are used only for the internet
What is Project Shield designed to protect against?
Virus infections
Data breaches
DDoS attacks
Physical security threats
Which devices were used in a major 2016 DDoS attack that significantly slowed the internet?
Smartphones and tablets
Corporate servers and workstations
IoT devices like DVRs, nanny cams, and thermostats
Government infrastructure systems
What happens when a device broadcasts an ARP request on a network?
All devices respond with their IP addresses
The device with the requested IP address responds with its MAC address
The network router assigns a new IP address
All devices update their routing tables
