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Network Services Management Flashcards

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

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  1. A Mac fails to obtain an IP address via DHCP over Ethernet but works fine on Wi-Fi on the same network. What should be checked first?

    Answer: The Ethernet cable and physical connection

    A physical layer issue such as a faulty cable or unplugged connection is the most common reason Ethernet fails when Wi-Fi on the same network succeeds.

  2. Which macOS System Settings panel allows a user to create and switch between different network configurations for different environments?

    Answer: Network Locations

    Network Locations in macOS allow users to save and switch between sets of network configurations for different environments such as home and office.

  3. A user needs to share their Mac's Wi-Fi connection over Ethernet to a device that doesn't support Wi-Fi. Which macOS feature enables this?

    Answer: Internet Sharing

    Internet Sharing in macOS allows sharing an active internet connection from one interface (Wi-Fi) to another (Ethernet) to connected devices.

  4. When a Mac is connected to a corporate network via VPN, what does 'Send all traffic over VPN connection' accomplish?

    Answer: It routes all network traffic through the VPN tunnel

    Enabling 'Send all traffic over VPN connection' forces all network traffic—not just corporate traffic—through the VPN tunnel.

  5. A Mac's Wi-Fi connection drops repeatedly in an office with many networks. Which tool in macOS can help identify channel congestion?

    Answer: Wireless Diagnostics

    Wireless Diagnostics (hold Option and click the Wi-Fi menu icon) includes a scan feature that shows nearby networks, their channels, and signal strength.

  6. Which command shows the current ARP table on a Mac, mapping IP addresses to MAC addresses on the local network?

    Answer: arp -a

    The 'arp -a' command displays the ARP cache, showing the mapping of IP addresses to hardware (MAC) addresses discovered on the local network.

  7. A Mac running macOS Ventura or later cannot connect to a legacy 802.1X enterprise Wi-Fi network after upgrading. What is the recommended first troubleshooting step?

    Answer: Remove and re-add the network configuration profile

    After a macOS upgrade, outdated or conflicting configuration profiles for 802.1X networks should be removed and re-deployed to restore enterprise Wi-Fi connectivity.