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Network Architectures, SDN & Automation Quiz (ENCOR/CCNP)

Also check our free Online Quizzes on all IT topics and CCNA, CCNP, CCIE including new Python Automation Programming. Free Online Quizzes (Best for Cisco CCNA, Huawei HCNA, N+) You can also view free study notes (Cheat sheets) on all IT and Cisco CCNA/CCNP/CCIE topics for long term memory: Networkwalks Summary Cheatsheets Follow our Facebook Page & YouTube Channel for more updated Cheatsheets & Quizzes:

Overlay Tunnels Quiz (ENCOR/CCNP)

IP Services Quiz (ENCOR/CCNP)

IP Services Quiz best for IT certifications like Cisco CCNA, CCNP, CCIE, Huawei HCNA, Juniper JNCIA, Microsoft MCSA/MCSE, … More quizzes on all IT topics and CCNA, CCNP, CCIE including new Python Automation Programming. Free Online Quizzes (Best for Cisco CCNA, Huawei HCNA, N+) You can also view free study notes (Cheat sheets) on all CCNA/CCNP/CCIE topics for long term memory: Networkwalks Summary Cheatsheets Follow our Facebook Page & YouTube Channel for more updated Cheatsheets & Quizzes like this IP Services quiz:

WLAN Wireless Roaming & Authentication Quiz (ENCOR/CCNP)

WLAN Wireless Roaming & Authentication Quiz best for IT certifications like Cisco CCNA, CCNP, CCIE, Huawei HCNA, Juniper JNCIA, Microsoft MCSA/MCSE, … More quizzes on all IT topics and CCNA, CCNP, CCIE including new Python Automation Programming. Free Online Quizzes (Best for Cisco CCNA, Huawei HCNA, N+) You can also view free study notes (Cheat sheets) on all IT and Cisco CCNA/CCNP/CCIE topics for long term memory: Networkwalks Summary Cheatsheets Follow our Facebook Page & YouTube Channel for more updated Cheatsheets & Quizzes like this WLAN Wireless Roaming & Authentication Quiz:

Wireless Signals Modulation Quiz (ENCOR/CCNP)

Bit Error Rate & BERT Meter (part2)

Bit Error rate control & Bit Error testing (BERT) is crucial to network performance especially for Ethernet, SDH, DWDM and OTN Networks that are based on Optical transmission. What is a BERT Meter (BER Tester)? A BERT Meter is an electronic device that is used to measure the Bit Error Rate. There are many equipment vendors that manufacturer that sell BER Testers. Some of the popular companies are JDSU, Anritsu and EXFO. However, their prices & features vary a lot. Below is one of the famous BERT Meter model as an example (courtesy JDSU). How to Read More …

Bit Error Rate & BERT Meter (part1)

Performance of the transmission system is of crucial importance to communication quality of the whole communication network. Good performance can be achieved through proper control over Bit Error Rate & BERT. The major factors affecting the performance of SDH transmission network includes bit error, jitter and wander. So, what are the Bit Errors? Why are they so important to control? Do the Bit errors affect my network performance? These are some of the questions that every network engineer and optical transmission engineer must know. Let’s dissect these questions & their answers one by one. “Bit Error is the amount of Read More …

IP Address & its Types

“IP address is a unique number which is used to identify network devices in computer networks”. An IP address mainly serves two functions: host or network interface identification and location addressing. It is a logical numeric address that is assigned to every single computer, printer, switch, router or any other device that is part of a TCP/IP based network. The IP exists in every network, even only a pair of computers or a network of a large enterprise. Each computer, without exceptions, has its own unique address, if there is a connection to the network. Each of the computers in Read More …

Cloud Computing

Cloud Computing is an approach to offer IT Services to customers remotely. It is the practice of using IT Network which are physically hosted in a remote location (mostly on the Internet) to store, manage and process data, rather than a local server or a personal computer. It is the delivery of hosted services over the internet. Simply, it is the technology of distributed data processing in which some scalable information resources and capacities are provided as a service to multiple external customers through Internet technology. Cloud computing is generally referred to the delivery of computing services over the Internet. Read More …