Understanding Internet Principles

What is the purpose of an IP address?

• To encrypt data transmitted over the network.

• To provide internet access to devices.

• The purpose of an IP address is to identify and locate devices on a network.

• To serve as a backup for network configurations.

How many bits are in an IPv4 address?

• 64 bits

• 128 bits

• 16 bits

• 32 bits

What does MAC stand for in MAC address?

• Machine Access Control

• Multiple Access Channel

• Media Access Code

• Media Access Control

How is a MAC address formatted?

• A MAC address is formatted as six pairs of hexadecimal digits, e.g., 00:1A:2B:3C:4D:5E.

• A MAC address consists of eight pairs of octal digits.

• A MAC address is a single string of binary digits.

• A MAC address is formatted as four groups of decimal numbers.

What is the main difference between TCP and UDP?

• TCP is faster than UDP because it uses less bandwidth.

• UDP guarantees data delivery while TCP does not.

• TCP and UDP are both connectionless protocols.

• The main difference is that TCP is connection-oriented and reliable, whereas UDP is connectionless and faster but less reliable.

Which protocol is connection-oriented, TCP or UDP?

• TCP

• HTTP

• FTP

• ICMP

What is the default port number for HTTP?

• 21

• 443

• 80

• 8080

Name a common application layer protocol used for email.

• FTP

• SMTP

• HTTP

• IMAP

What are the benefits of using open source software?

• High licensing fees

• Limited customization options

• Lack of user community support

• Cost savings, flexibility, community support, transparency, and enhanced security.

What is a potential risk of using closed source software?

• Guaranteed security and reliability.

• Lack of transparency and potential security vulnerabilities.

• Complete access to source code.

• Regular updates and support from the community.