Glossary
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E5810B User’s Guide
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DHCP
Dynamic Host Configuration Protocol (DHCP) is a protocol
for assigning dynamic IP addresses to devices on a network.
With dynamic addressing, a device can have a different IP
address every time it connects to the network.
In some systems, the device's IP address can even change
while it is still connected. DHCP also supports a mix of
static and dynamic IP addresses.
Dynamic addressing simplifies network administration
because the software keeps track of the IP addresses rather
than requiring an administrator to manage the task. This
means that a new computer can be added to a network
without manually assigning it to a unique IP address. DHCP
client support is built into Windows workstations.
DNS
Domain Name System or Service (DNS) is an Internet service
that translates domain names into IP addresses. Domain
names are easier to remember as they are alphabetic.
However, the Internet is based on IP addresses. Every time
you use a domain name, a DNS service must translate the
name into the corresponding IP address.
For example, the domain name www.example.com might be
translated to 198.105.232.4. The DNS system is a distributed
system. If one DNS server does not know how to translate a
particular domain name, it will ask another DNS server, and
so on, until the correct IP address is returned.
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