What Is the Purpose of ISACA?
What Is the Purpose of ISACA?

Anyone interested in a career in information technology administration, risk assessment, framework analysis, or security management should consider the ISACA certifications. ISACA is a not-for-profit organization dedicated to information technology administration on a global scale. The association was previously known as the Information Systems Audit and Control Association but has changed its name to ISACA... » read more

[with Formulae & Examples] What Is Cost Variance (CV)?
[with Formulae & Examples] What Is Cost Variance (CV)?

When reading about earned value management and variance analysis, you most likely came across the cost variance (CV). Whether you’re controlling project costs or studying for the PMP test, knowing how to use the CV is critical to mastering project cost management. The concept of cost variance is introduced in this article. It also includes... » read more

What Is Software-Defined Wide Area Networking (SD-WAN)?
What Is Software-Defined Wide Area Networking (SD-WAN)?

SD-WAN is a software-defined approach to wide area network management. Among the key benefits are the following: Across MPLS, 4G/5G LTE, and other connection types, cost benefits are connected with transport independence. Enhancing the performance and agility of applications Optimizing the user experience and efficiency of cloud-based software-as-a-service (SaaS) and public cloud applications Automation and... » read more

Download Free Cisco 350-401 Exam Demo and Practice Tests
Download Free Cisco 350-401 Exam Demo and Practice Tests

As part of its sweeping certification modifications, Cisco abolished prerequisite assessments for the Cisco Certified Network Professional tracks, meaning network engineers will face a higher bar to clear while taking CCNP exams. Use the SPOTO ENCORE practice test dump for your CCNP Enterprise ENCORE exam. Keep in mind that this exam is also the new... » read more

Software-Defined Networking (SDN)
Software-Defined Networking (SDN)

What is software-defined networking (SDN)? SDN is a networking paradigm that relies on software-based controllers or application programming interfaces (APIs) to communicate with the underlying hardware infrastructure and direct network traffic. This architecture is in contrast to traditional networks, which regulate network traffic via specialized hardware devices (i.e., routers and switches). Through software, SDN can... » read more

What is the CCNA Certification?
What is the CCNA Certification?

The CCNA (Cisco Certified Network Associate) certification is issued by Cisco, the world’s largest manufacturer and seller of networking equipment. This certification prepares you to become knowledgeable about a variety of topics, including the following: LAN/WAN LAN/WAN TCP/IP model Switches and routers Network utilities (ping, tracert, arp) IP addressing and subnetting VLANs and trunking Routing... » read more

What Is the Difference between OSI Vs. TCP/IP Model?
What Is the Difference between OSI Vs. TCP/IP Model?

OSI Model The International Organization for Standardization (ISO), an international standard-setting agency, developed the OSI (Open Systems Interconnection) model. It was created as a reference model for outlining the communication system’s functions. The OSI model serves as a foundation for developing and implementing networking standards and devices and describing how network applications running on various... » read more

How to Prepare for and Pass Cisco Certified Network Professional (CCNP) Exams?
How to Prepare for and Pass Cisco Certified Network Professional (CCNP) Exams?

The Cisco Certified Network Professional (CCNP) tests were created to assess network professionals with three to five years of experience in the information technology area. Acquiring this certification will assist you in demonstrating your value to current management and demonstrate to prospective employers that you possess the necessary skills for the position. To earn the... » read more

What Is IP Routing, and How Does It Work?
What Is IP Routing, and How Does It Work?

The process of delivering packets from a host on one network to a host on a separate remote network is known as IP routing. Routers are typically used for this task. Routers look at a packet’s destination IP address, find the next-hop address, and forward it. Routers use routing tables to figure out where the... » read more