BTEC Unit 1: RECAP Network Protocols and Data Transmission

What is the primary purpose of network protocols?

• To increase the speed of data transfer between devices.
• To manage power consumption of network devices.
• To provide security features for individual devices.
• To define rules for data transmission and communication.

What is the main role of HTTP?

• To manage user sessions on a server.
• To store data on the client side.
• To encrypt data between a client and a server.
• Transferring web pages from servers to browsers.

What does HTTPS add to HTTP?

• Basic text formatting features
• Faster loading times without security
• Improved SEO ranking without encryption
• Encryption and security through SSL/TLS.

What is FTP used for?

• FTP is used for sending emails.
• FTP is used for transferring files between a client and a server.

• FTP is used for browsing the internet.
• FTP is used for creating websites.

Why is FTP considered less secure?

• FTP requires a secure connection to operate.
• FTP is only used for transferring small files securely.
• FTP uses strong encryption methods for data transfer.
• FTP transmits data in plaintext without encryption.

What is SMTP responsible for?

• Receiving and storing emails on a server.
• Displaying emails in a user's inbox.
• Encrypting email content for security.
• Sending and routing emails between servers.

DNS allows users to access websites using easy-to-remember names (like www.youtube.com) instead of complex numerical IP addresses.

• True

• False

DHCP automatically assigns IP addresses and network settings, enabling seamless device communication.

• True

• False

SSH ensures that only who can access the remote system?

• Anyone with internet access
• System administrators only
• Unverified users
• Authorised users

What is the role of TCP/IP?

• TCP/IP is used for secure video and audio streaming only.

• TCP/IP is a type of hardware used in computers that converts software.

• TCP/IP is a programming language for web development that allows the viewing of web pages.

• Creates reliable data transmission by breaking data into packets, and ensuring

  they arrive in order.