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GCSE Computer Science (J277)
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Wired and wireless networks, protocols and layers
OCR J277 Paper 1 · 1.3.2
Wired and wireless networks, protocols and layers
Wired vs wireless, encryption, protocols, standards, and TCP/IP model
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a.
Modes of connection: Wired - Ethernet; Wireless - Wi-Fi, Bluetooth;
b.
Encryption
c.
IP addressing and MAC addressing
d.
Standards
e.
Common protocols
e.i.
Common protocols: TCP/IP (Transmission Control Protocol/Internet Protocol)
e.ii.
Common protocols: HTTP (Hyper Text Transfer Protocol)
e.iii.
Common protocols: HTTPS (Hyper Text Transfer Protocol Secure)
e.iv.
Common protocols: FTP (File Transfer Protocol)
e.v.
Common protocols: POP (Post Office Protocol)
e.vi.
Common protocols: IMAP (Internet Message Access Protocol)
e.vii.
Common protocols: SMTP (Simple Mail Transfer Protocol)
f.
The concept of layers