Voice Over IP (VoIP) The Future is Now - Impacting PSTN, Cellular Networks, and Beyond Explore the present state of VoIP (Voice over Internet Protocol), its growing influence on traditional phone lines (PSTN) and cellular networks, and its promising future. The state of VoIP, its impact on the PSTN and cellular …

The Need for IPv6 Adoption The driving force behind the transition from IPv4 to IPv6 - the exhaustion of IPv4 addresses. Learn about the challenges and the urgency for both industry and government to embrace this critical shift. The unique characteristics of IPv6 in fulfillment of IPv4's deficiencies, and the …

Internet of Things (IoT) and its Impact on Our Lives A technological trend that started in its infancy years ago is now proliferating: the use of the Internet of Things (IoT). The term IoT was coined in 1982, as described by research by Farooq, Waseem, Mazhar, Khairi, and Kamal (2015). They describe the first IoT …

Gain an Understanding Data Transmission: Wired vs. Wireless and Their Impact Transmissions are impacted by different problems depending on the method of data transmission. The two types of data communications or transmissions are guided and unguided transmission, as Comer (2014) discusses. Guided media or wire …

What is Broadband? Different Types of Broadband Technologies Explained What Is Broadband? Broadband has grown worldwide, promoted by policymakers, network operators, and content providers, but it does not have a single standardized definition worldwide, as described by Kelly (2012). Broadband can mean multiple aspects …

Types of Computer Failures Database failures can usually be categorized into transaction, system, or media failures. Failed transactions in the middle of the execution can occur for many reasons, as described by Elmasri & Navathe (2015). Most Common Failures: The most common failures are described as computer failure, …

Describe how disaster recovery from catastrophic failures is handled. Illustrate in detail Catastrophes can be broken down into two subcategories: physical problems and catastrophes. Physical catastrophes can be air conditioner failures, power issues, fire, or hacking attacks. Catastrophic errors are usually caused by …

Preventive Measures Against SQL Injection Attacks An SQL injection attack occurs by having an attacker inject a string input into the application; these changes or manipulate the SQL statement to the attacker’s advantage, as described by Elmasri & Navathe (2015). They indicate that an SQL injection attack inflicts …

What Is Meant by the Closure of a Set of Functional Dependencies? A functional dependency is a one-way dependency between two attributes at any given time. For a unique attribute of value A there is one value of the attribute B associated with it through the relation. Even if the values for the attribute change, there …

The Reasons For Having Variable-Length Records And The Use Of Separator Characters There may be many reasons for a file having variable-length records, as described by Elmasri & Navathe (2015). They are described as one field that may need to be a varying size, a field that may contain a repeating group or value, a …