Learning objective
IP address structure: Know that an IP address is split into a network identifier part and a host identifier part.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
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Flashcards
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Questions
Topic
The Transmission Control Protocol/Internet Protocol (TCP/IP)
Subtopic
IP address structure
Study support
Understand this objective
Quick explanation
IP address structure: Know that an IP address is split into a network identifier part and a host identifier part
- This point belongs to The Transmission Control Protocol/Internet Protocol (TCP/IP), especially IP address structure.
- You need to be able to iP address structure: Know that an IP address is split into a network identifier part and a host identifier part.
- 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 address structure to exam-style questions, flashcards, and revision notes for The Transmission Control Protocol/Internet Protocol (TCP/IP).
Quick student answer
What does the network identifier part of an IP address identify?
Direct answer
The network to which the device belongs
Key terms
- Network identifier: The part of an IP address that identifies the network to which a host belongs.
- Host identifier: The part of an IP address that identifies a particular host within a network.
Common trap
Confusing the two identifiers: The network identifier identifies the network; the host identifier identifies the particular host within that network.
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
- 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
- IP standards: Know that there are currently two standards of IP address, v4 and v6. Know why v6 was introduced. 86
IP standards
- Public and private IP addresses: Distinguish between routable and non-routable IP addresses.
Public and private IP addresses