Learning objective
IP standards: Know that there are currently two standards of IP address, v4 and v6. Know why v6 was introduced. 86
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
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Topic
The Transmission Control Protocol/Internet Protocol (TCP/IP)
Subtopic
IP standards
Study support
Understand this objective
Quick explanation
IP standards: Know that there are currently two standards of IP address, v4 and v6. Know why v6 was introduced. 86
- This point belongs to The Transmission Control Protocol/Internet Protocol (TCP/IP), especially IP standards.
- You need to be able to iP standards: Know that there are currently two standards of IP address, v4 and v6. Know why v6 was introduced. 86.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Why it matters
This objective helps connect IP standards to exam-style questions, flashcards, and revision notes for The Transmission Control Protocol/Internet Protocol (TCP/IP).
Quick student answer
How many current standards of IP address are identified in the specification?
Direct answer
There are currently two standards of IP address: IPv4 and IPv6.
Key terms
- IPv4: One of the two current standards of IP address.
- IPv6: One of the two current standards of IP address, introduced to provide more available IP addresses because the supply of IPv4 addresses was becoming insufficient.
Common trap
Giving an incomplete reason for IPv6: State that IPv6 was introduced because available IPv4 addresses were becoming insufficient, and that IPv6 provides more available IP addresses.
Related questions
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Flashcard prompts
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Revision tools
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Related learning objectives
- TCP/IP: Describe the role of the four layers of the TCP/IP stack (application, transport, network, link). Describe the role of sockets in the TCP/IP stack. Be familiar with the role of MAC (Media Access Control) addresses. Explain what the well-known ports and client ports are used for and the differences between them.
TCP/IP
- Standard application layer protocols: Be familiar with the following protocols: • FTP (File Transfer Protocol) • HTTP (Hypertext Transfer Protocol) • HTTPS (Hypertext Transfer Protocol Secure) • POP3 (Post Office Protocol (v3)) • SMTP (Simple Mail Transfer Protocol) • SSH (Secure Shell). Be familiar with FTP client software and an FTP server, with regard to transferring files using anonymous and non-anonymous access. Be familiar with how SSH is used for remote management. Know how an SSH client is used to make a TCP connection to a remote port for the purpose of sending commands to this port using application level protocols such as GET for HTTP, SMTP commands for sending email and POP3 for retrieving email. Be familiar with using SSH to log in securely to a remote computer and execute commands. Explain the role of an email server in retrieving and sending email. Explain the role of a web server in serving up web pages in text form. Understand the role of a web browser in retrieving web pages and web page resources and rendering these accordingly.
Standard application layer protocols
- IP address structure: Know that an IP address is split into a network identifier part and a host identifier part.
IP address structure
- Subnet masking: Know that networks can be divided into subnets and know how a subnet mask is used to identify the network identifier part of the IP address.
Subnet masking
- Public and private IP addresses: Distinguish between routable and non-routable IP addresses.
Public and private IP addresses