Transport Layer Introduction to Transport Layer The Transmission Control Protocol (TCP) standard is defined in the Request For Comment (RFC) standards document number 793 [10] by the Internet Engineering Task Force (IETF). The original specification written in 1981 was based on earlier research and experimentation in the original ARPANET. The fourth and “middle” layer of the OSI Reference Model protocol stack is the transport layer, that does not actually transport data, ...
Network layer Introduction In the seven-layer OSI model, the network layer is layer 3 which defines communication between the different networks and most commonly known as the layer where routing takes place. Network Layer Functions Logical Addressing (Or IP addressing) provides a unique address that identifies both the host and the network that host exists on. ...
Security plays an important role in all fields of IT industry. Be it networking, information, database, cyber threats, etc. each and every aspect of our industry requires secure access to its information/data with protection against all the possible vulnerabilities posing threat to its integrity and authenticity. Network security is related to an act of protecting network(s) from unwanted or illegal access and modifications by the outside world where as information security involves preventing c...
Late 19th Century witnessed development of IT industry in India with two major operational sectors i.e. IT Services and BPOs (Business Process Outsourcing). IT Industry in India became more vibrant and perceptible post liberalization making many cities of our country popular IT Hubs permanently. With rapid development of technologies in the market Software Development took a gigantic turn and our India’s IT Industry took a huge leap towards success. Many employment opportunities had ...
Students from different genres upon clearing their graduation or master’s degree remain confused about their job preference that is in which field they must go and find a job in – Networking or Software Engineering. Several people with different perception advice differently as per their own experience or beliefs. Networking and software engineering are two separate fields of IT industry having different job roles for individuals. Networking professionals get job roles like Network A...
Exam Details/Syllabus of CCNP To earn this Cisco certification you must possess knowledge about the associate level certification for the relative CCNP track. Having a certification is necessary but one must have basic knowledge about the associate level technologies. To clear the CCNP R&S online exam aspirants are required to give three exams that is ROUTE, SWITCH, and TSHOOT. CCNP R&S certification is split in three modules out of which ROUTE is related with routing technologies, SW...
642-902 ROUTE The Implementing Cisco IP Routing (ROUTE642-902) is a qualifying exam for the Cisco Certified Network Professional CCNP, Cisco Certified Internetwork Professional CCIP, and Cisco Certified Design Professional CCDP certifications. The ROUTE 642-902 exam will certify that the successful candidate has the knowledge and skills necessary to use advanced IP addressing and routing in implementing scalable and secure Cisco ISR routers connected to LANs and WANs. The exam also covers con...
Devices Used in training for CCNP R&S online exam While preparing for the CCNP R&S online exam one requires at least 5 Routers and 3 Switches to get in depth knowledge of the CCNP R&S course. Routers: Routers to be used must be of 1841 series, 2611xm series, 2800 series, 3640 series. The benefit of using the above mentioned series of Cisco routers include Intranet and internet access along with firewall security, VPN access, Inter VLAN routing, Flexible routing and low densi...
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