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CCTV Network & IP Camera Configuration Flashcards

6 cards from real CCTV practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 CCTV Network & IP Camera Configuration flashcards as text

  1. What is the purpose of MAC address filtering on a CCTV network switch?

    Answer: To allow only pre-approved devices to connect to the network

    MAC address filtering restricts network access to only devices whose hardware addresses are whitelisted, preventing unauthorized cameras or devices from joining the CCTV network.

  2. What is multicast streaming and when is it used in CCTV systems?

    Answer: Sending one video stream to multiple clients simultaneously without duplicating bandwidth

    Multicast allows a single camera stream to be delivered to multiple viewing stations simultaneously using one stream, conserving network bandwidth compared to multiple unicast connections.

  3. What cybersecurity best practice should always be applied to new IP cameras before deployment?

    Answer: Change the default username and password

    Factory default credentials are publicly known and widely exploited, so changing them immediately during setup is the most critical step to prevent unauthorized access.

  4. What is the role of a managed network switch in a professional IP CCTV installation?

    Answer: To provide VLAN segmentation, QoS, and PoE management for cameras

    A managed switch gives installers granular control over VLANs, bandwidth prioritization, PoE power budgets, and port monitoring, which are essential for large professional CCTV deployments.

  5. Which H.265 advantage over H.264 is most relevant when designing storage for an IP CCTV system?

    Answer: H.265 achieves roughly 50% smaller file sizes at equivalent video quality

    H.265 (HEVC) compression reduces storage requirements by approximately 50% compared to H.264 at the same resolution and quality, significantly lowering drive costs in large systems.

  6. What does DNS (Domain Name System) allow operators to do when setting up remote CCTV access?

    Answer: Use a memorable hostname instead of a numeric IP address to access the NVR remotely

    DNS translates human-readable domain names (e.g., cameras.company.com) into IP addresses, making remote NVR access easier to remember and manage, especially with dynamic DNS (DDNS) for changing IPs.