The Basic Differences between JUNOS and IOS
The JUNOS software command line interface (CLI) has many built-in tools to guide you while you master its commands and structure. If you already know Cisco’s IOS command language, you can anticipate many of the JUNOS software commands. JUNOS software and IOS have two fundamental differences:
JUNOS software organizes commands in a structured hierarchy as opposed to a flat file, showing the configuration and commands of each level within its own set of curly braces {}.
JUNOS software stores changes into a candidate configuration instead of immediately impacting your active configuration file. You don’t affect the active configuration until you commit the changes.
Because JUNOS doesn’t use the ip keyword in the commands, many of the show commands you already know work if you simply drop the keyword. For example, show ip route becomes show route.
Cloud Computing Glossary
cloud computing
A networking solution in which everything — from computing power to computing infrastructure, applications, business processes to personal collaboration — is delivered as a service wherever and whenever you need.
Cloud Computing Glossary
cloud service
The delivery of software, infrastructure, or storage that has been packaged so it can be automated and delivered to customers in a consistent and repeatable manner.
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deprovision
The release of cloud services that are no longer needed.
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federating
Linking distributed resources together over the cloud.
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hypervisor
An operating system that acts as a traffic cop, managing the various virtualization tasks in the cloud to ensure that they make things happen in an orderly manner.
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multi-tenancy
The sharing of underlying resources by multiple companies over a cloud.
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network attached store
Storage that has its own network address through which it is accessed by the network's workstation users. Acronym: NAS
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service level agreement
A contract that stipulates the type of service you need from providers and what type of penalties would result from an unexpected business interruption. Acronym: SLA
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solution stack
An integrated set of software that provides everything a developer needs to build an application.
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storage area network
A storage systems that is flexible and scalable because it's available to multiple hosts at the same time. Acronym: SAN
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vertical industry groups
Workgroups comprised of members from a particular industry such as technology and retail.
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virtual memory
The portion of your hard drive that Windows uses to expand the available RAM
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virtualization
Using computer resources to imitate other computer resources or whole computers to maximize performance and flexibility.
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