Réseaux Flashcards
What is a system in the context of information technology?
A system is a set of interconnected components that work together to achieve a common goal.
True or False: A network is only comprised of physical devices.
False
Fill in the blank: The primary function of a network is to facilitate __________ between devices.
communication
What does LAN stand for?
Local Area Network
Which of the following is a type of network topology? A) Star B) Circle C) Square D) Triangle
A) Star
What is the purpose of a router in a network?
To direct data packets between different networks.
True or False: Protocols are rules that define how data is transmitted over a network.
True
What does the acronym TCP/IP stand for?
Transmission Control Protocol/Internet Protocol
Short Answer: Name one advantage of using a wireless network.
Increased mobility for users.
Fill in the blank: A __________ is a device that connects multiple computers to a network and forwards data to the appropriate destination.
switch
What is the main purpose of network security?
To protect data and resources from unauthorized access and attacks.
Which layer of the OSI model is responsible for data encryption?
Presentation layer
True or False: IPv6 provides a larger address space than IPv4.
True
What is the function of a firewall in a network?
To monitor and control incoming and outgoing network traffic based on security rules.
Fill in the blank: __________ is the process of converting data from one format to another.
Encoding
What does the acronym DNS stand for?
Domain Name System
Which of the following is a common network protocol? A) FTP B) HTML C) CSS D) XML
A) FTP
Short Answer: What is bandwidth?
The maximum rate of data transfer across a network.
True or False: A VPN provides a secure connection over a less secure network.
True
What is the primary purpose of an IP address?
To identify a device on a network.
Fill in the blank: __________ networks are typically used for connecting devices in a limited geographical area.
Local area
What does NAT stand for?
Network Address Translation
Which layer of the OSI model deals with routing?
Network layer
True or False: Peer-to-peer networks require a central server.
False
What is the purpose of a subnet mask?
To divide an IP address into network and host portions.
Short Answer: Name one type of network attack.
Denial of Service (DoS) attack.
Fill in the blank: __________ is a secure method for accessing a network remotely.
SSH (Secure Shell)
What is a network system?
A network system is a collection of hardware and software components that enables communication and data exchange between devices.
True or False: A router connects different networks.
True
Fill in the blank: The _______ layer of the OSI model is responsible for data transmission over a physical medium.
Physical
What does IP stand for in networking?
Internet Protocol
Which device is used to connect multiple devices within the same network?
Switch
True or False: A firewall is used to enhance network security.
True
What is the primary function of a modem?
To modulate and demodulate signals for data transmission over telephone lines or cable.
Multiple Choice: Which protocol is commonly used for secure data transmission? A) HTTP B) FTP C) HTTPS D) SMTP
C) HTTPS
What is a subnet?
A subnet is a segmented piece of a larger network that allows for better organization and management of IP addresses.
True or False: The Transport layer in the OSI model is responsible for session management.
False
What does DNS stand for?
Domain Name System
Fill in the blank: A _______ is an address that identifies a device on a network.
IP address
What is the purpose of network protocols?
Network protocols define the rules and conventions for communication between network devices.
Multiple Choice: Which of the following is a type of network topology? A) Star B) Circle C) Square D) Triangle
A) Star
What is bandwidth in networking?
Bandwidth refers to the maximum rate of data transfer across a network path.
True or False: IPv4 addresses are 128 bits long.
False
What is NAT?
Network Address Translation, a method used to remap one IP address space into another.
Fill in the blank: A _______ is a network device that forwards data packets between computer networks.
Router
What does VPN stand for?
Virtual Private Network
Multiple Choice: Which layer of the OSI model is responsible for error checking? A) Application B) Transport C) Network D) Data Link
B) Transport
What is a packet?
A packet is a formatted unit of data carried by a packet-switched network.
True or False: Ethernet is a protocol used for wireless networking.
False
What is the purpose of a network switch?
To receive incoming data packets and redirect them to their destination on a local area network.
Fill in the blank: The _______ layer provides end-to-end communication services for applications.
Transport
What is a MAC address?
A Media Access Control address is a unique identifier assigned to network interfaces for communications at the data link layer.
Multiple Choice: Which of the following is an example of a network security measure? A) Encryption B) Compression C) Formatting D) Deletion
A) Encryption
What is the function of DHCP?
Dynamic Host Configuration Protocol automatically assigns IP addresses to devices on a network.
