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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 OSI model is a conceptual tool used to discuss and describe network functions. The use of a standard reference model is essential to communicating ideas as well as creating new technologies. It is a good idea to be familiar with the OSI model, the features assigned to each layer, and examples of common protocols or technologies associated with the OSI layers.

Are you at a crossroads professionally or looking to start training for a new job? If so, you might want to consider pursuing network administration as a career. Network administrators are responsible for maintaining computer hardware and software systems that make up a computer network, including maintaining and monitoring active data networks, converged infrastructure networks, and related network equipment.

Answer? When it is flagged as a retransmission in Wireshark!

A local area network (LAN) provides a path of communication, originating from the sender to the receiver; Ethernet is the most common LAN used.

See how Session Initiation Protocol (SIP), an internet signaling protocol, is used in the converged Unified Communications environment.

This course will provide skills to successfully designi, implement, and troubleshoot SonicWall firewall appliances and security services. Exam voucher provided.

New – SonicWall Network Security Professional teaches you how to monitor, investigate, analyze & configure SonicWall Next‐Gen firewalls running SonicOS. Enroll today!

This class extensively covers AppStack and systems-specific modules and topics not typically explored in other Loop1 classes. Designed for students with a minimum of six months of hands-on experience in SolarWinds Network Performance Monitor (NPM) and Server & Ap...

The Managing Cisco Network Operating Systems (CNIOS) course introduces the fundamental concepts of Cisco networking operating systems, including IOS XE, NX-OS, and IOS XR. This training is designed for individuals who are new to Cisco or networking professionals who...