Find Interview Questions for Iinterchange systems

One solution would be to banish a philosopher from the
table, thus emptying a seat. This leaves five chopsticks
for four people, so at least one of the philosophers will
be able to eat; thus, no deadlock. This means that each
system must have more resources available than tables, in
essence.
Another solution is to say that a philosopher can only pick
up chopsticks if both are available, and then only if the
neighbors are not going to pick them up. This is a
permissive style that causes some extra slowdown by adding
the step of permissions, but it keeps all of the
philosophers alive, which is the most important thing.
A third solution is an asymmetric one: number the
philosophers starting at an arbitrary chair and continuing
around the table. Then, a philosopher with an odd number
picks up the left chopstick and then the right, and the
even numbered philosophers pike up the right chopstick and
then the left. Thus, philosophers 2, 3, and 4 only can be
missing a pair if one of the two people at their sides are
actually eating (not just waiting), thus making sure a
deadlock is impossible.
There are countless more possible solutions to the dining-
philosophers problem. The primary factor in deciding if a
solution is good or not is to make sure that there are no
deadlocks or long pauses in the procedure; in other words,
a good solution makes sure a philosopher doesn't starve to
death.
Solutions to this problem show up regularly in all sorts of
areas, from biology to psychology to computer science. The
problem of synchronization is a fundamental one in our
world, and the dining-philosophers problem addresses it
simply, clearly, and directly

windows XP -client
Windows 2003 -SERVER

Layer 3 switches were conceived as a technology to improve
on the performance of routers used in large local area
networks (LANs) like corporate intranets. The key difference
between Layer 3 switches and routers lies in the hardware
technology used to build the unit. The hardware inside a
Layer 3 switch merges that of traditional switches and
routers, replacing some of a router's software logic with
hardware to offer better performance in some situations.
Layer 3 switches often cost less than traditional routers.
Designed for use within local networks, a Layer 3 switch
will typically not possess the WAN ports and wide area
network features a traditional router will always have.
To answer the question, one needs to consider the
environment where the equipment will be deployed.

Router is better than L-3 switches.
But router is more costly than L-3 switches, L-3 switches
workes same as router, it switching & path selection both.