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Find out which training path is best to earn your Cisco Certified Network Associate (CCNA) Routing and Switching certification with some self-assessments, information about exam requirements and recommendations for test preparation.

Learn more about data breaches on a large-scale level and what can and can't be done about them.

Planning and implementing the virtualization of desktops is a challenge, but the result can be cost savings, greater productivity, and a happier work force that has the flexibility to work when, where, and with what devices they wish to use.

Learn how Amazon Aurora can enable powerful, massively scalable relational databases in Amazon's cloud environment.

Learn how to use PowerShell cmdlets specific to installing and configuring Hyper-V.

Precision Time Protocol (PTP) is a protocol designed to go beyond what Network Time Protocol (NTP) can offer relative to accuracy. PTP is IEEE standard 1588 that can give local computing systems accuracy within the sub-microsecond range (such as microsecond, nanosecond or picoseconds) whereas NTP is within milliseconds or longer. PTP standard was first released in 2002 and known as 1588-2002. In 2008, the IEEE released a revised standard for PTP, known as 1588-2008, that improved the accuracy and precision of the protocol. It is also known as PTPv2 and is not backward compatible with the older version. PTP was developed for packet based network for control and measurement systems.

Find definitions of terms commonly used in the networking industry. Uncover knowledge areas in which you excel and where you want to expand.

Explore your options for phone, desktop, and large screen immersive teleconferencing with the specifications and capabilities for Cisco Collaboration products.

The ability to interpret and understand IP addresses and subnet masks is critical for an IT professional. This skill is the foundation for troubleshooting numerous problems, from the assignment of an IP address to a host to routing problems to access-control list problems. It is also necessary for designing and configuring efficient IP networks.

The Cybersecurity Glossary of Terms contains definitions to help you uncover knowledge areas in which you excel and where you want to expand. Read here.