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FEATURE 1
Grasping the Essentials of a Router
The Inside of a Router and Its Tasks
Understanding a router by studying the commonalities shared by all
routers
- Some people think they know what a router is, but many do not
know much of anything about a router. That is true even for many engineers.
Nikkei Computer re-examines how devices that are currently sold
as a “router” work.
Part 1: Definition: Interconnecting networks - Performing the
tasks of connecting networks, transferring IP packets to networks, selecting
proper IP packets, and managing the routes of IP packets
Part 2: Internal Structure: Transfer processing is an accumulation
of searches - Only hardware can keep up with the speed of processing
Part 3: Techniques for Speeding up Processing: Compressing conditions,
creating tree structures for conditional branching, or using special
hardware devices
Boxed Articles: What are the differences between routers and
L3 switches or firewalls?
FEATURE 2
How Much Do You Understand Networks?
Quizzes for Testing Your Comprehension of Networks
- We are at midsummer, so now is a good time to review your work and
study while you are relaxing and unwinding. Why don’t you do quizzes
testing your knowledge of networks for recreation? The quizzes are designed
not only for your pleasure but also as an assessment of your understanding
of networks.
Why don’t you relax and unwind to do the quizzes?
- One of the monitors of this magazine who took the quizzes says, “It
is difficult to answer correctly if our knowledge is based on a vague
memory”
Field 1: LAN
Field 2: Windows-based Network
Field 3: IP Network
Field 4: Security
Field 5: Application
A List of Grades: Which Is Your Field of Expertise?
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