Search results
Results From The WOW.Com Content Network
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; Routing & Switching, Design, Industrial Network, Network ...
1. Physical layer. In the IEEE 802 reference model of computer networking, the logical link control ( LLC) data communication protocol layer is the upper sublayer of the data link layer (layer 2) of the seven-layer OSI model. The LLC sublayer acts as an interface between the medium access control (MAC) sublayer and the network layer.
Cisco Networking Academy or NetAcad is an online global educational program product of American Cisco Systems. It started in California in 1997. It started in California in 1997. [1] [2] [3] [4]
The Cisco Certified Entry Networking Technician (CCENT) [1] certification was the first stage of Cisco's certification system. The certification was retired on 24 February 2020. [2] The CCENT certification was an interim step to Associate level or directly with CCNA and CCDA certifications. While the CCENT covered basic networking knowledge; it ...
The Cisco Certified Internetwork Expert, or CCIE, is a technical certification offered by Cisco Systems. The Cisco Certified Internetwork Expert (CCIE) and Cisco Certified Design Expert (CCDE) certifications were established to assist the industry in distinguishing the top echelon of internetworking experts worldwide and to assess expert-level ...
Open Shortest Path First ( OSPF) is a routing protocol for Internet Protocol (IP) networks. It uses a link state routing (LSR) algorithm and falls into the group of interior gateway protocols (IGPs), operating within a single autonomous system (AS). OSPF gathers link state information from available routers and constructs a topology map of the ...
Cisco completed its acquisition of Splunk in March as part of its efforts to reduce dependence on its core networking business. Including Splunk, revenue in Cisco's security segment jumped 36% in ...
Cisco Certified DevNet Professional; Migration guides to the newer certification exams are available from Cisco at its CCNP Migration Tools page. Required exams. Before February 2020 relevant entry-level certifications needed to be passed in advance if a candidate wanted to attempt the professional level exams.
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.