Networking and Security: A Comprehensive Guide for Nursing Students

Question 1

Which protocol is specifically designed to secure data transmissions by encrypting the data exchanged between two hosts on a network?

Accepted Answer

TLS

Answer

HTTP

Answer

SMTP

Answer

FTP

Question 2

Which of the following is NOT a crucial aspect of a network security policy?

Accepted Answer

Performance monitoring

Answer

Access control

Answer

Vulnerability management

Answer

Incident response

Question 3

When a web browser establishes a secure connection to a web server, which protocol is used to encrypt the communication?

Accepted Answer

HTTPS

Answer

FTP

Answer

HTTP

Answer

SMTP

Question 4

What is a primary advantage of utilizing a firewall in network security?

Accepted Answer

Regulating network traffic based on predefined rules

Answer

Encrypting data during network transmission

Answer

Offering antivirus and anti-malware protection

Answer

Monitoring network traffic for potential security risks

Question 5

What is a primary advantage of utilizing a firewall in a computer network?

Accepted Answer

Shields the network from external threats

Answer

Facilitates access to the network for unauthorized users

Answer

Enhances network speed by minimizing traffic

Answer

Increases the network's susceptibility to attacks

Question 6

To enhance network security, which measure is crucial?

Accepted Answer

Enforce strong password policies and update passwords regularly

Answer

Limit antivirus software to network servers only

Answer

Allow unrestricted remote network access

Answer

Ignore software updates for network devices

Question 7

In the TCP/IP protocol suite, which protocol is used to establish and maintain a connection between two hosts on a network, ensuring reliable data transmission?

Accepted Answer

Transmission Control Protocol (TCP)

Answer

User Datagram Protocol (UDP)

Answer

Internet Protocol (IP)

Answer

Address Resolution Protocol (ARP)

Question 8

In the TCP/IP protocol suite, which protocol guarantees error-free data transmission by establishing a connection and confirming the receipt of data packets?

Accepted Answer

TCP (Transmission Control Protocol)

Answer

UDP (User Datagram Protocol)

Answer

HTTP (Hypertext Transfer Protocol)

Answer

ARP (Address Resolution Protocol)

Question 9

In network security, which measure is crucial for isolating potential threats and minimizing their impact across the network?

Accepted Answer

Network segmentation

Answer

Firewall deployment

Answer

Intrusion detection systems

Answer

Anti-malware software installation

Question 10

In a network security system, what is the main benefit of using a firewall?

Accepted Answer

Preventing unauthorized access to the network

Answer

Improved network speed

Answer

Virus detection and removal

Answer

Enabling remote network access

Question 11

Which network security device monitors and controls network traffic?

Accepted Answer

Firewall

Answer

Hub

Answer

Router

Answer

Switch

Question 12

What is the main job of a router in a computer network?

Accepted Answer

Connecting different networks

Answer

Storing and managing user information

Answer

Providing network security

Answer

Converting between analog and digital signals

Question 13

Which layer is not included in the TCP/IP protocol suite?

Accepted Answer

Encryption Layer

Answer

Application Layer

Answer

Transport Layer

Answer

Network Layer

Question 14

Which layer is absent from the TCP/IP protocol suite?

Accepted Answer

Session

Answer

Application

Answer

Transport

Answer

Network

Question 15

Which network protocol is specifically designed to transfer files between computers?

Accepted Answer

FTP

Answer

HTTP

Answer

SMTP

Answer

DHCP

Question 16

Which network security technology encrypts data during transmission and storage?

Accepted Answer

Virtual Private Networks (VPNs)

Answer

Firewalls

Answer

Intrusion Detection Systems (IDS)

Answer

Antivirus Software

Question 17

In the TCP/IP protocol suite, which protocol is responsible for assigning IP addresses to devices on a network?

Accepted Answer

DHCP

Answer

TCP

Answer

UDP

Answer

HTTP

Question 18

Which protocol in the TCP/IP suite ensures reliable data delivery by establishing and maintaining a connection between two hosts?

Accepted Answer

TCP

Answer

HTTP

Answer

UDP

Answer

SMTP

Question 19

Which network security attack type aims to disrupt service by overwhelming a server or network with excessive traffic?

Accepted Answer

DDoS (Distributed Denial of Service)

Answer

Phishing

Answer

Malware

Answer

Man-in-the-middle attack

Question 20

To safeguard a network from unauthorized access and ensure its integrity, which fundamental security practice should be implemented?

Accepted Answer

Regularly apply software and firmware updates to address vulnerabilities and enhance security

Answer

Maintain default passwords for network devices to streamline administration

Answer

Disable firewalls to enhance network speed and minimize delays

Answer

Allow unrestricted access to all network resources to foster collaboration

Question 21

Which of the following is NOT a common advantage of implementing a firewall in a network setting?

Accepted Answer

Increasing network performance

Answer

Preventing unauthorized network access

Answer

Reducing the risk of malware and virus infections

Answer

Enhancing data privacy and protection

Question 22

Within a network security system, what is the primary function of a firewall?

Accepted Answer

Monitoring and filtering network traffic

Answer

Detecting and neutralizing malware

Answer

Encrypting network communications

Answer

Providing secure remote access

Question 23

Which layer is not part of the TCP/IP protocol suite?

Accepted Answer

Data Link Layer

Answer

Application Layer

Answer

Transport Layer

Answer

Network Layer

Question 24

In the TCP/IP protocol suite, which component ensures reliable, connection-based data transmission?

Accepted Answer

TCP (Transmission Control Protocol)

Answer

IP (Internet Protocol)

Answer

UDP (User Datagram Protocol)

Answer

DNS (Domain Name System)

Question 25

Which components are essential for a TCP/IP network to function?

Accepted Answer

Routers, IP addresses, and TCP

Answer

Firewalls, web browsers, and email clients

Answer

Ethernet, HTML, and FTP

Question 26

Classify the following scenario as a network security attack or not: Accessing network equipment or facilities without authorization.

Accepted Answer

Yes, this action is a type of network security attack.

Answer

No, this action is not a type of network security attack.

Question 27

Which protocol is used to encrypt data during transmission, ensuring secure communication between devices in network security?

Accepted Answer

SSL/TLS

Answer

HTTP

Answer

FTP

Answer

IP

Question 28

Identify a crucial element of network security best practices:

Accepted Answer

Utilizing robust passwords

Answer

Regularly connecting to public Wi-Fi networks

Answer

Deactivating antivirus software

Answer

Opening email attachments from unknown sources

Question 29

In a computer network, which device forwards data packets based on their destination MAC addresses?

Accepted Answer

Switch

Answer

Modem

Answer

Router

Question 30

In the TCP/IP model, which layer is responsible for packaging data into packets and adding header information?

Accepted Answer

Network

Answer

Application

Answer

Transport

Answer

Data Link

Question 31

To ensure network security, which step is crucial when implementing firewalls?

Accepted Answer

Firewalls should be regularly configured and maintained for optimal effectiveness.

Answer

Firewalls are unnecessary for network security.

Answer

Firewalls should only be placed at the network's edge.

Answer

Firewall rules should permit all traffic by default.

Question 32

Which network device is responsible for directing data packets along the most efficient path within a network?

Accepted Answer

Router

Answer

Switch

Answer

Firewall

Question 33

Which protocol is specifically designed to encrypt data during network communication, ensuring its security?

Accepted Answer

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

Answer

HTTP (Hypertext Transfer Protocol)

Answer

DNS (Domain Name System)

Question 34

To safeguard sensitive data, which measure is most effective in a data security plan?

Accepted Answer

Employing robust encryption algorithms

Answer

Storing data in various locations without backups

Answer

Utilizing weak passwords for user accounts

Answer

Deactivating antivirus and firewall software

Question 35

In the TCP/IP protocol suite, which layer handles the physical transmission of data across a network?

Accepted Answer

Network Interface

Answer

Application

Answer

Transport

Answer

Internet

Question 36

Which of the following is a disadvantage of network encryption?

Accepted Answer

Slows down network performance

Answer

Protects data from unauthorized access

Answer

Ensures data integrity

Answer

Provides authentication

Question 37

In the context of network security, which of the following is NOT a commonly used attack method?

Accepted Answer

Spam

Answer

Malware Injection

Answer

Phishing

Answer

Man-in-the-Middle Attacks

Question 38

Which protocol is specifically designed to encrypt data during transmission, ensuring confidentiality in network communications?

Accepted Answer

HTTPS

Answer

TCP

Answer

UDP

Answer

FTP

Question 39

In network security, what is the primary benefit of implementing firewalls?

Accepted Answer

Secure data by monitoring and filtering network traffic.

Answer

Ensure remote access for authorized users.

Answer

Provide complete protection against all threats.

Answer

Optimize network performance by reducing latency.

Question 40

Within the TCP/IP model, which layer is responsible for setting up and maintaining connections between devices?

Accepted Answer

Transport Layer

Answer

Application Layer

Answer

Network Layer

Answer

Data Link Layer

Question 41

In the TCP/IP protocol suite, which layer is responsible for managing network addressing and routing, ensuring efficient data packet delivery across networks?

Accepted Answer

Network Layer

Answer

Application Layer

Answer

Transport Layer

Answer

Data Link Layer

Question 42

Which network security measure is crucial for detecting and isolating potential threats?

Accepted Answer

Intrusion Detection and Prevention Systems (IDPS)

Answer

Encryption

Answer

Virtual Private Networks (VPNs)

Answer

Multi-factor Authentication (MFA)

Question 43

Which protocol is used to establish a secure connection by encrypting data transmitted over the public Internet?

Accepted Answer

HTTPS

Answer

SMTP

Answer

FTP

Answer

SSH

Question 44

Which layer is not included in the TCP/IP protocol suite?

Accepted Answer

Session

Answer

Application

Answer

Transport

Question 45

To enhance network security against unauthorized access, which of the following is a recommended best practice?

Accepted Answer

Implement strong passwords and enforce regular password updates

Answer

Disable firewalls to improve network performance

Answer

Neglect software updates and patches for network devices

Answer

Grant unrestricted access to all users within the network

Question 46

For a remote workforce, which network security configuration ensures the highest level of protection?

Accepted Answer

Implementing a VPN with strong encryption and multi-factor authentication

Answer

Allowing employees to access the corporate network without additional security measures on their personal devices

Answer

Installing antivirus software on employee devices and relying solely on perimeter firewall protection

Answer

Restricting remote access and requiring employees to work on-site

Question 47

To enhance network security, which firewall filtering rule type should be prioritized?

Accepted Answer

Ports and protocols

Answer

Source IP addresses

Answer

Destination IP addresses

Answer

Packet size

Question 48

As cyberattacks grow more sophisticated, which emerging network security trend offers a promising solution?

Accepted Answer

Automated Security Operations (SecOps)

Answer

Enhanced Legacy Firewalls

Answer

Manual Threat Detection

Answer

Increased Antivirus Software Reliance

Question 49

What is the main goal of network security monitoring?

Accepted Answer

Identify and prevent potential security threats proactively

Answer

React to security incidents after they happen

Answer

Block all network traffic from outside sources

Answer

Install antivirus software on all network devices

Question 50

How does role-based access control (RBAC) operate?

Accepted Answer

RBAC assigns permissions based on organizational roles.

Answer

RBAC uses access control lists (ACLs) to specify resource access.

Answer

RBAC is a mandatory access control mechanism that blocks unauthorized resource access.

Answer

RBAC is limited to local area networks (LANs) and not applicable to wide area networks (WANs).

Question 51

How effective are common network security measures in preventing specific cyberattacks like phishing, malware, and DDoS attacks?

Accepted Answer

When used together, common network security measures offer a strong defense against a wide range of cyberattacks, including phishing, malware, and DDoS attacks.

Answer

Firewalls alone can effectively protect against all types of cyberattacks.

Answer

Intrusion detection systems (IDS) can completely prevent all DDoS attacks.

Answer

Virtual private networks (VPNs) provide absolute security against phishing and malware by encrypting network traffic.

Question 52

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

Accepted Answer

Transport Control Protocol (TCP)

Answer

User Datagram Protocol (UDP)

Answer

File Transfer Protocol (FTP)

Answer

Dynamic Host Configuration Protocol (DHCP)

Question 53

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

Accepted Answer

Connecting multiple networks to facilitate communication

Answer

Providing internet access to connected devices

Answer

Storing and forwarding data packets between networks

Answer

Ensuring network security by blocking unauthorized access

Question 54

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

Accepted Answer

Filtering incoming and outgoing network traffic to block potential threats

Answer

Detecting and blocking malware from infecting devices on the network

Answer

Encrypting network communications to protect data from eavesdropping

Answer

Monitoring network activity for suspicious patterns and generating alerts

Question 55

Which network topology offers the highest level of fault tolerance?

Accepted Answer

Mesh topology, where every device is directly connected to every other device

Answer

Bus topology, where all devices are connected to a single cable

Answer

Star topology, where all devices are connected to a central hub or switch

Answer

Ring topology, where devices are connected in a circular fashion

Question 56

What is a key advantage of using a network firewall?

Accepted Answer

Protection against unauthorized network access

Answer

Improved network speed

Question 57

Which layer is absent from the TCP/IP model?

Accepted Answer

Session

Answer

Application

Answer

Transport

Answer

Network

Question 58

Which layer in the Open Systems Interconnection (OSI) model is primarily responsible for handling error control mechanisms and flow regulation?

Accepted Answer

Transport Layer

Answer

Network Layer

Answer

Data Link Layer

Answer

Application Layer

Question 59

In a network environment, which protocol plays a crucial role in automatically assigning IP addresses to devices?

Accepted Answer

DHCP - Dynamic Host Configuration Protocol

Answer

FTP - File Transfer Protocol

Answer

TCP - Transmission Control Protocol

Answer

HTTP - Hypertext Transfer Protocol

Question 60

Within a network infrastructure, what is the primary function of a router?

Accepted Answer

Relaying and directing data packets across interconnected networks

Answer

Establishing physical connections between computers and the network

Answer

Providing exclusive access to the internet for connected devices

Answer

Storing large amounts of data for network users

Question 61

In a Windows-based operating system, which command can be utilized to retrieve the IP configuration details of a computer?

Accepted Answer

ipconfig - IP Configuration Display

Answer

ping - Network Connectivity Test

Answer

netstat - Network Statistics

Answer

tracert - Route Tracing

Question 62

In a network environment, what is the primary purpose of a MAC (Media Access Control) address?

Accepted Answer

Uniquely identifying a specific device connected to the network

Answer

Granting exclusive internet access to a particular device

Answer

Storing large amounts of data for network users

Answer

Establishing a secure connection between two devices

Question 63

What is the main goal of network security?

Accepted Answer

Protecting data and network resources from unauthorized access.

Answer

Making sure data is always available.

Answer

Stopping attacks that try to shut down the network.

Answer

Watching network traffic for suspicious activity.

Question 64

Identify the key differences between UDP and TCP protocols.

Accepted Answer

UDP is connectionless, while TCP is connection-oriented. UDP lacks error-checking and flow control, while TCP employs both.

Answer

TCP is connectionless and uses error-checking but not flow control, while UDP is connection-oriented and uses both.

Answer

UDP is connectionless and uses both error-checking and flow control, while TCP is connection-oriented and lacks both.

Answer

TCP is connectionless and lacks error-checking or flow control, while UDP is connection-oriented and uses both.