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Cisco 100-140 Exam Questions

Exam number/code: 100-140

Release/Update Date: 05 Sep, 2025

Number of Questions: Maximum of 42 Questions

Exam Name: Cisco Certified Support Technician (CCST) IT Support

Exam Duration: 50 Minutes

Related Certification(s): Cisco Certified Support Technicians Certification

Cisco 100-140 Exam Topics - You’ll Be Tested On

The Cisco 100-140 exam, also known as the Interconnecting Cisco Networking Devices Part 1 (ICND1), is an essential certification for individuals aspiring to build a career in networking. This exam assesses your understanding of network fundamentals, IP addressing, routing, and other crucial concepts. By passing this exam, you'll lay the foundation for further Cisco certifications and demonstrate your proficiency in basic network configuration and troubleshooting. The exam covers a wide range of topics, including understanding the OSI model and its relevance to networking, exploring various network devices and their functions, learning about IP addressing and subnetting, and delving into the world of routing protocols. You'll also gain insights into Ethernet technologies, wireless networking, and network security fundamentals. Additionally, the exam touches on network management and troubleshooting, equipping you with the skills to monitor and maintain network performance. With a comprehensive understanding of these topics, you'll be well-prepared to tackle the challenges of the Cisco 100-140 exam and embark on a successful career in networking.

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Real Cisco 100-140 Exam Insights, from Actual Candidates

My journey towards the Cisco 100-140 exam was an exhilarating experience, filled with both challenges and triumphs. From the get-go, I knew I had a lot to learn, especially when it came to network fundamentals. The OSI model, with its seven layers, was a complex beast to tame, but with consistent practice and a deep understanding of its purpose, I managed to grasp its intricacies. IP addressing and subnetting were another hurdle I had to overcome. I invested countless hours into memorizing subnet masks and IP address ranges, a tedious yet necessary process. The satisfaction of getting it right was immense. As I progressed, routing protocols became my new obsession. Learning about dynamic routing and the various algorithms was both fascinating and rewarding. It gave me a deeper insight into how networks communicate and function. Ethernet and wireless networking were other critical aspects I had to master. Understanding the differences and similarities between these technologies was an eye-opener. Security, however, was the most challenging part. Learning about network threats and implementing security measures was an eye-opening experience, making me realize the importance of data protection. Despite the hurdles, my determination paid off, and I passed the exam with flying colors. The sense of accomplishment was unparalleled, and I felt ready to take on the world of networking with newfound confidence.
As I embarked on my journey towards the Cisco 100-140 exam, I was determined to master the intricacies of networking. The first challenge I faced was understanding the OSI model and its complex layers. It took dedicated study and practice to grasp the concept fully. However, once I understood the model's significance, it became easier to navigate the world of networking. The next hurdle was IP addressing and subnetting, a critical aspect of network configuration. I spent countless hours practicing and memorizing subnet masks and IP address ranges. It was a tedious process, but the sense of accomplishment when I finally got it right was incredible. As I progressed, I encountered the fascinating world of routing protocols. Learning about dynamic routing and the different routing algorithms was both challenging and exciting. It opened my eyes to the intelligence behind network communication. Additionally, I delved into the fundamentals of Ethernet and wireless networking, understanding the differences and similarities between these technologies. Security was another crucial aspect I had to master. Learning about network threats and implementing security measures was an eye-opening experience, making me realize the importance of safeguarding data. Despite the challenges, my dedication paid off, and I passed the exam with flying colors. The sense of achievement was unparalleled, and I felt ready to take on the world of networking with confidence.
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