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100-150Updated 1d ago · Sep 4, 2026

Cisco Certified Support Technician (CCST) Networking

75 questions across 1 topics, with suggested answers, explanations where available, and imported community discussion. The first 7 questions are free to preview.

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1Networking Fundamentals757

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Question 1 · Networking Fundamentals Open

A local company needs two networks across two new buildings. The addresses used for these networks must fall within the private network range. Which two address ranges should the company use? *(Choose two.)* *Note: You will receive partial credit for each correct selection.*

Answer: B, C RFC 1918 private IPv4 space includes 172.16.0.0 through 172.31.255.255 (172.16.0.0/12) and 192.168.0.0 through 192.168.255.255 (192.168.0.0/16). These ranges are reserved for private internetworks and are not globally routable on the public Internet. **Learn more:** [RFC 1918 — Address Allocation for Private Internets](https://www.rfc-editor.org/rfc/rfc1918)
Question 2 · Security Fundamentals Open

Move the CIA security principles from the list on the left to their corresponding examples on the right. Each security principle may be used once, multiple times, or not at all. <DragDrop items={["Availability","Integrity","Confidentiality"]} slots={[{"answer":"Confidentiality","id":"email_encryption","label":"You encrypt a sensitive email message."},{"answer":"Integrity","id":"digital_signature","label":"You generate a digital signature and attach it to a message."},{"answer":"Availability","id":"redundant_servers","label":"You configure three redundant web servers at your company."}]} reuse={true} explanation={"Encryption prevents unauthorized disclosure of the email’s contents, providing confidentiality. Digital signatures verify message integrity. Redundant web servers preserve service operation when a server fails, providing availability."} />

Answer: —
Question 3 · Security Fundamentals Open

When configuring a wireless network, which security advantage does enabling WPA3 provide?

Answer: C WPA3 strengthens the authentication process between wireless clients and the access point, helping protect the Wi-Fi connection from password-guessing and related attacks.