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Book · October 021 citations reads 35,829 authorsBog'liq 4 PROFESSIONAL ENGLISH(14) to /
at / about
IoT. As a result, they
are increasing their use of collaborators, IoT service provider Vodafone claims.
iv
Compare OSI and TCP/IP Reference Models in the table and fill in the gaps:
OSI (Open System Interconnection)
TCP/IP (Transmission Control Protocol /
Internet Protocol)
1. OSI is a generic, protocol independent standard,
acting as a communication gateway between the
network and end user.
2. In TCP/IP model the transport layer does
not guarantee delivery of packets. Still the
TCP/IP model is more reliable.
3. Follows horizontal approach.
33
4. OSI model has a separate Presentation layer and
Session layer.
5.
TCP/IP
model
is,
in
a
way
implementation of the OSI model.
6. Network layer of OSI model provides both
connection oriented and connectionless service.
7. TCP/IP model does not fit any protocol
8. Protocols are hidden in OSI model and are easily
replaced as the technology changes.
9. OSI model defines services, interfaces and
protocols very clearly and makes clear distinction
between them. The protocol is independent.
10. It has 4 layers
F
Web Research
Activity
Divide into two groups.
These are two issues each group should support and prove, using some information from the
Internet:
The potential dangers of Wi-Fi.
Don’t worry: Wi-Fi isn’t dangerous!
Make up a table of pros and cons of Wi-Fi:
Pros
Cons
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