Basic Command Line Tools CompTIA Security+ Objectives 2.2 – CompTIA A+ Objectives Core 2 – 1.4 Ping Ping is a command used to measure the latency between two devices on a network. The ping command is available on every operating systems and is a measure of the latency we feel in everything we do online,… Read more »
Posts By: raymer villanueva
Comparison of IPv4 and IPv6
Comparison of IPv4 and IPv6 Basic Comparison Description IPv4 IPv6 Address 32 bits long (4 bytes). Address is composed of a network and a host portion, which depend on address class. Various address classes are defined: A, B, C, D, or E depending on initial few bits. The total number of IPv4 addresses is 4… Read more »
Multi-factor authentication
Two-Factor or Multi-Factor Authentication (2FA or MFA) CompTIA Security+ Objective 4.1 and CompTIA Network+ Objective 4.2 What is two-factor or multi-factor authentication (2FA or MFA)? Multifactor authentication ensures that a user is who they say they are. The more factors are used to determine the identity of a person, the greater the reliability of the authenticity…. Read more »
Phishing
Phishing What is Phishing and How to Detect Phishing Attacks? Part of CompTIA Security+ Objectives 1.2 Phishing is an email scam designed that appears to be from a legitimate company and ask you to provide sensitive information. Cybercriminals use phishing to attempt to obtain sensitive information such as credit card details and login credentials, by… Read more »
Cloud Security: How Secure is Cloud Data?
Cloud Security: How Secure is Cloud Data? Saving documents, photos, videos and reports on a computer’s hard drive? That’s becoming almost quaint. Today, people are more frequently saving their files in the cloud, storage space not located in their computers or devices but on servers hosted by third-party providers. The positives of storing data and… Read more »
Benefits of CompTIA Security+ Certification for Cyber Security Professionals
One of the fastest growing areas of the enterprise is cybersecurity. Every year, more attacks are carried out meaning more of the IT budget is allocated for bolstering security, ultimately leading to the need to hire more cybersecurity experts to protect the organization. According to cybersecurity company CrowdStrike, which recently published a casebook with takeaways and insights… Read more »
Why Network+ Certification?
Why Network+ Certification? Network+ is offered by the Computing Technology Industry Association (CompTIA) which is the top vendor-neutral provider of IT certs. Some of you might be thinking, “Why take CompTIA Network+ first and not jump into Cisco Certified Network Associate certification (CCNA) path right away?”. While you could jump straight into the CCNA path,… Read more »
Amazon AWS Solution Architecture Practice Exam 2019 – Part 2
Question 6) A web application allows customers to upload orders to an S3 bucket. The resulting Amazon S3 events trigger a Lambda function that inserts a message to an SQS queue. A singleEC2 instance reads messages from the queue, processes them, and stores them in an DynamoDB table partitioned by unique order ID. Next month… Read more »
Amazon AWS Solution Architecture Practice Exam 2025 – Part 1
Question 1) A company is storing an access key (access key ID and secret access key) in a text file on a custom AMI. The company uses the access key to access DynamoDBtables from instances created from the AMI. The security team has mandated a more secure solution.Which solution will meet the security team’s mandate?… Read more »
AWS Certified Cloud Practitioner – Foundational Sample Exam Questions
1) Why is AWS more economical than traditional data centers for applications with varying compute workloads? A) Amazon Elastic Compute Cloud (Amazon EC2) costs are billed on a monthly basis.B) Customers retain full administrative access to their Amazon EC2 instances.C) Amazon EC2 instances can be launched on-demand when needed.D) Customers can… Read more »
CompTIA Net+ | Microsoft MTA Networking: The OSI model
Follow @ASM_Educational Taking a Network+ exam? Follow us on Facebook and ask us about our study group. The (Open Systems Interconnection) OSI has been developed by International Organization for Standardization (ISO). The OSI model provides a framework for creating and implementing networking standards and devices and describes how network applications on different computers can communicate… Read more »
CompTIA Net+ | Microsoft MTA Networking: 802.11: Wi-Fi Standards
Follow @ASM_Educational Taking a Network+ exam? Follow us on Facebook and ask us about our study group. WiFi is not an acronym but a brand name created by a marketing firm that’s meant to serve as an interoperability seal for marketing efforts. WiFi technology however provides wireless Internet access via the use of radio waves… Read more »
CompTIA Net+ | Microsoft MTA Networking: COMPARE AND CONTRAST THE CHARACTERISTICS OF NETWORK TYPES
Follow @ASM_Educational Taking a Network+ exam? here are some network types you should know. What is a LAN ? A local area network (LAN) is a computer network within a small geographical area such as a home, school, computer laboratory, office building or group of buildings. A LAN is composed of inter-connected workstations and personal… Read more »
CompTIA Sec+ | Microsoft MTA Security: Types of Wireless Attacks Part 2
The Types of Wireless Attacks Part 2 CompTIA Security+ Objective 1.2 WPS Attacks Wi-Fi Protected Setup (WPS) allows users to configure a wireless network without typing in the passphrase. Instead, users can configure devices by pressing buttons or by entering a short personal identification number (PIN). For example, a user can configure a new wireless… Read more »
CompTIA Sec+ | Microsoft MTA Security: Types of Wireless Attacks
The Types of Wireless Attacks Part 1 CompTIA Security+ Objective 1.2 Replay Attacks A replay attack occurs when an attacker copies a stream of messages between two parties and replays the stream to one or more of the parties. Unless mitigated, the computers subject to the attack process the stream as legitimate messages, resulting in a range… Read more »
CompTIA and Immersive Labs Issue A Pen Test Challenge
CompTIA and Immersive Labs are challenging cybersecurity professionals in the United States and United Kingdom to test their penetration testing skills this month. The two organizations launched the pen test challenge on the opening day of RSA® Conference 2019. “Penetration testing, if done right, is a proven and valuable activity that all organizations should engage… Read more »
CompTIA Sec+ | Microsoft MTA Security: Most Common Application/Service Attacks Part 2
The nature of cyberattacks is constantly in flux, always evolving to keep pace with the times. Hacking of websites, theft of credit card information and other personal information has become an almost daily occurrence, along with illegal remittances via Internet banking. Recent years have witnessed the accelerating dissemination of new technologies such as IoT… Read more »
CompTIA Sec+ | Microsoft MTA Security: Most Common Application/Service Attacks Part 1
“Richard Clarke, a former counter-terrorism expert for the United Government, once said, “If you spend more on coffee than on IT security, you will be hacked. What’s more, you deserve to be hacked”. While the latter is a tad harsh (we wouldn’t wish a cyber attack on anyone!), the former is certainly true.” If you… Read more »
