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CCNA (Cisco Certified Network Associate) is an information technology (IT) certification from Cisco Systems. CCNA certification is an associate-level Cisco Career certification. Cisco exams have changed several times in response to changing IT trends.
Cisco Certifications are the list of the Certifications offered by Cisco Systems. There are four to five (path to network designers) levels of certification: Associate ( CCNA /CCDA), Professional ( CCNP /CCDP), Expert ( CCIE /CCDE) and recently, Architect (CCAr: CCDE previous), as well as nine different paths for the specific technical field ...
Red Hat Certified Engineer (RHCE) Self-titled "the flagship" certification, [9] RHCE is a mid- to advanced-level [10] certification that builds on topics covered in the RHCSA certification to include more advanced topics such as security and installing common enterprise networking (IP) services. [11] The certification has a heavy focus on ...
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The Spanning Tree Protocol ( STP) is a network protocol that builds a loop-free logical topology for Ethernet networks. The basic function of STP is to prevent bridge loops and the broadcast radiation that results from them. Spanning tree also allows a network design to include backup links providing fault tolerance if an active link fails.
Packet radio. In digital radio, packet radio is the application of packet switching techniques to digital radio communications. Packet radio uses a packet switching protocol as opposed to circuit switching or message switching protocols to transmit digital data via a radio communication link .
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To meet these needs, a system administrator may acquire, install, or upgrade computer components and software; provide routine automation; maintain security policies; troubleshoot; train or supervise staff; or offer technical support for projects.
The main research objective of the lab are computer networks and progressive network infrastructures emphasizing the issue of the information transfer of the multimedia nature with the required quality of services parameters (QoS).