Икт 3 вариант

What protocols are used at the network layer?

• IP, ICMP

• TCP, UDP

• HTTP, HTTPS

• SMTP, IMAP

• ARP, RARP

What types of attacks can occur at each layer?

• DoS, DDoS, MITM, phishing, spoofing.

• Only viruses.

• Only application attacks.

• Only data leakage.

• Only physical access.

What technologies are considered last-mile wireless technologies?

• Wi-Fi, LTE, 5G.

• Only Wi-Fi.

• Only Bluetooth.

• Only fiber-optic technologies.

• Only satellite internet.

What is an IP address?

• A unique identifier for a device in a network for routing data.

• The address of a computer in a local network.

• The phone number for contacting a server.

• A method for encrypting data.

• A user's identifier on the internet.

What is a MAC address?

• A unique physical address of a device in a network.

• A postal address.

• The IP address of a device on the internet.

• The name of a device in a local network.

• A password for connecting a device.

What is a DNS address?

• The address of a server that translates domain names into IP addresses.

• The identifier of a computer in a network.

• The address of a local network.

• A secret key for connecting.

• A user's identifier in a system.

What is the concept of the OSI model?

• A model that divides network functions into 7 layers to simplify interaction.

• A model used only for TCP/IP networks.

• A model for database management.

• A model for quality control in communications.

• A model for diagnosing network errors.

What are the layers of the OSI model and their functions?

• Physical, data link, network, transport, session, presentation, application.

• Only 3 layers: data link, network, transport.

• Only 4 layers: physical, data link, network, transport.

• Only 5 layers: application, session, presentation, transport, data link.

• Only application and physical layers.

What network interaction models exist?

• OSI model, TCP/IP model.

• Only models for local networks.

• Models applicable only to mobile networks.

• Models for working with video content.

• Only models for managing network devices.

What is the TCP/IP protocol?

• A set of protocols for data transmission over a network.

• A protocol for file transfer only.

• A protocol for email.

• A protocol for voice transmission over a network.

• A protocol for working with local networks.