Mile2 Cybersecurity Certifications

Caleb Kiser

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Viewing 15 posts - 31 through 45 (of 63 total)
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  • in reply to: OCU C)HT C Devotion 02 #107266
    Caleb Kiser
    Participant

    This story hits home, but in the best way. David was just looking for safety, but God gave him way more than that. He got food for his body and a sword that reminded him of God’s past faithfulness. How often do we come to God just hoping to survive whatever we’re going through, and He ends up strengthening us and reminding us who we are? When life feels like it’s closing in and the enemy’s pressing hard, the best thing we can do is run straight to Jesus. He doesn’t just protect us, but He equips us. His Word becomes our weapon, and His presence renews our strength. Just like David held the sword that once helped him conquer a giant, we hold onto the truth that Jesus already conquered death and hell. Whatever you’re facing, you’re not alone or empty-handed. Come to Him with your need—and watch how He meets you with more than enough.

    in reply to: OCU C)HT C Discussion Lesson 05 #107265
    Caleb Kiser
    Participant

    Hi James,

    I really like how detailed and practical your explanation is. You covered a wide range of expansion options and clearly showed how they can improve a computer’s performance and functionality. The examples about upgrading RAM and storage were especially helpful; they make the concept easy to understand and apply. Nice work!

    in reply to: OCU C)HT C Discussion Lesson 04 #107264
    Caleb Kiser
    Participant

    Hi Carlos,

    I really like your analogy—comparing RAM to a brain’s notepad and ROM to instincts is a great way to make it click. You explained the temporary nature of RAM and its role in speed really well. Also, highlighting that ROM holds startup essentials like the BIOS adds good clarity.

    in reply to: OCU C)HT C Discussion Lesson 03 #107263
    Caleb Kiser
    Participant

    Hi Misty,

    I enjoyed reading your post. I agree that starting with the basics, like checking the power cable and outlet, is key since it’s often something simple. I also think using a PSU tester or swapping with a known-good one is a great call for narrowing things down. Your steps are solid and cover the essentials for anyone troubleshooting a power issue.

    in reply to: OCU C)HT C Discussion Lesson 05 #107242
    Caleb Kiser
    Participant

    Expansion options in a computer are basically what make it possible to upgrade or customize your system without starting from scratch. Things like PCIe slots let you add a graphics card, sound card, or Wi-Fi adapter, while extra RAM slots and storage bays give you space to boost performance or add more files. The big benefit here is flexibility. You can improve your computer based on what you actually need, whether that’s faster speeds for gaming, more storage for photos and videos, or just better overall performance. Instead of buying a whole new computer every time you need a change, you can just upgrade the parts that matter. It’s a smart way to keep your system up to date and get the most out of your investment.

    in reply to: OCU C)HT C Discussion Lesson 04 #107241
    Caleb Kiser
    Participant

    Read-only memory (ROM) and random access memory (RAM) are both essential types of memory in a computer, but they serve very different purposes. ROM is non-volatile, meaning that it retains its data even when the computer is turned off. It’s typically used to store firmware or the computer’s basic startup instructions (like the BIOS). Things in ROM rarely change and are usually written by the manufacturer. On the opposite end, RAM is volatile memory, which means all the data stored in it is lost when the computer shuts down. RAM temporarily holds data that the CPU needs to access quickly while running programs. It’s way faster than ROM and affects the speed and performance of your system. To summarize, ROM is permanent and read-only, as the name suggests, while RAM is temporary, fast, and constantly in use while your computer is on. Both are important, but they function in completely different ways.

    in reply to: OCU C)HT C Discussion Lesson 03 #107240
    Caleb Kiser
    Participant

    As we discussed last week, troubleshooting is an important part of being in a technology field. As far as the computer’s power supply, there are several signs that could cause you to troubleshoot. Some of them include the computer powering up and back down, the blue screen of death appears, the system reports memory errors, etc. When it comes to troubleshooting a computer’s power supply there is a process. All you need to perform this process is a screwdriver and multimeter. To test a PSU with a multimeter, first power down the computer and disconnect all cables. Detach the PSU from internal components, then bridge pins 15 and 16 on the 24-pin connector using a wire. Plug the PSU into a wall outlet and turn it on—the fan should spin if it’s functional. Set your multimeter to DC volts (10V range if needed), connect the black probe to a ground pin, and use the red probe to test voltages on the connector (+3.3V, +5V, -5V, +12V, -12V). If all voltages are within range, the PSU is working. Reconnect everything when done.

    in reply to: OCU C)HT C Devotion 01 #106962
    Caleb Kiser
    Participant

    This devotion points out what Jesus offers in Matthew 11:28. It’s a good reminder that true rest isn’t something we find in achievements or the things this world chases after. Instead, it comes from going to Jesus, who gives us peace and comfort that goes way beyond what we can understand. That kind of rest frees us from all the pressure to be perfect or always do more. It’s about finding security in His presence and grace. The challenge to seek that stillness in Jesus is something we all need to hear, especially when life feels overwhelming. And if someone hasn’t found that rest yet, it’s comforting to know Jesus is always waiting, ready to give exactly what our souls need.

    in reply to: OCU C)HT C Discussion Lesson 02 #106961
    Caleb Kiser
    Participant

    Hi Isabelle,

    I enjoyed reading your post. You explained well how the motherboard connects key components like RAM and the CPU. I like your clear description of the CPU’s control and arithmetic units and how they process instructions. The CPU’s speed indeed affects overall performance, and without the motherboard’s connections, nothing would work. Your post shows nicely how these parts work together to keep a computer running smoothly.

    in reply to: OCU C)HT C Discussion Lesson 02 #106955
    Caleb Kiser
    Participant

    The motherboard and CPU are two of the most important components in a computer system. The motherboard acts as the main circuit board, connecting all hardware components, including the CPU, RAM, and storage, so they can communicate effectively. It provides power to these components and allows data to flow between them through buses and chipsets. The CPU, or central processing unit, is often called the “brain” of the computer. It carries out instructions from software by performing calculations, making decisions, and managing input and output operations. The CPU processes data at high speeds, allowing the computer to run applications and complete tasks efficiently. Together, the motherboard and CPU are responsible for making sure the entire system functions smoothly. Without them, no other component could operate. Their performance and compatibility are critical for the overall stability and speed of a computer.

    in reply to: OCU C)HT C Discussion Lesson 01 #106952
    Caleb Kiser
    Participant

    Hi Misty,

    I enjoyed reading your post! Great points. I agree that troubleshooting is essential for keeping systems running smoothly and saving both time and money. I like how you emphasized skill development and system security. Every issue we solve helps us grow technically and prevents future problems. It’s definitely a key part of being effective in any tech role.

    in reply to: OCU C)HT C Discussion Lesson 01 #106945
    Caleb Kiser
    Participant

    Troubleshooting is one of those skills that are absolutely crucial for any hardware technician. Troubleshooting allows for the identification and resolution of issues to be done quickly. It helps save time, money, and resources. Troubleshooting is defined as finding and fixing problems in any computer system, network, or software. And when you are regularly checking up on systems and running maintenance, you allow the systems to be more reliable and stable. I work in Graphic Design and Media at my church, so I use troubleshooting all the time. It’s been so helpful in keeping things running smoothly. But troubleshooting requires knowledge of the systems, computers, and networks that we use. So I must be constantly keeping up on the technology of everything that I use to make sure I can properly troubleshoot.

    in reply to: OCU C)OST C Devotion 05 #105953
    Caleb Kiser
    Participant

    The fear of the Lord truly is the beginning of wisdom, as Proverbs 9:10 teaches us. It’s not a fear rooted in terror, but in reverence and awe for the Creator who holds all things in His hands. When we understand God’s sovereignty, His holiness, and His power, we begin to grasp the weight of His wisdom and the foundation of true understanding.

    This kind of fear isn’t about being afraid of God in a way that drives us away, but rather recognizing His greatness and submitting to His will. It’s the realization that, apart from Him, we have no true wisdom, and only by seeking Him can we find clarity and direction. As we grow in this reverence for the Lord, He opens our eyes to a deeper understanding of life, purpose, and truth.

    The wisdom that comes from fearing the Lord is practical and eternal—guiding us in our decisions, relationships, and our walk with Him. It’s the foundation upon which everything else in life stands. Without it, all other knowledge falls short, but with it, we gain a perspective that leads to peace, understanding, and a life that reflects His character.

    in reply to: OCU C)OST C Discussion Lesson 11 #105952
    Caleb Kiser
    Participant

    Hi Cameron,

    You gave a clear and accurate breakdown of what SoHo routers do. These devices are essential in home and small office setups, combining multiple functions like routing, Wi-Fi, switching, and firewall protection into one unit. Each component plays a vital role in maintaining both connectivity and security. As you mentioned, having all these features working together ensures a stable and secure network for everyday use. Great explanation!

    in reply to: OCU C)OST C Discussion Lesson 10 #105951
    Caleb Kiser
    Participant

    Hi James,

    You’re absolutely right. Phishing, rogue Wi-Fi hotspots, and social engineering are real and growing threats in today’s world. As attackers get more bold and sophisticated, it’s important to stay ahead with tools like VPNs, encryption, multi-factor authentication, and strong firewalls, along with continuous user education to help recognize and avoid these evolving threats.

Viewing 15 posts - 31 through 45 (of 63 total)

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