Network+ Lab · IP addressing

Hand-Configuring a Tablet When DHCP Is Down

You just started as the IT helper at Driftwood Coffee Roasters. The new countertop tablet at the register — staff call it the AuroraTab — came up with no network access. The back-office DHCP server is offline for maintenance, so the tablet can't lease an address automatically. Set its IP configuration by hand so the point-of-sale app can reach the register server, then join it to the staff Wi-Fi.

N10-007 1.4 — configure IP addressing components AP NET 2.3.C — static vs. dynamic addressing AP NET 1.2.A — secure wireless connectivity

AuroraTab — Settings

Network & Internet
Not connected — no IP address assigned.
Available networks
RoastNet-Staff
WPA3 · 5 GHz · secured Tap to join
RoastNet-Guest
Open · captive portal Tap to join
IP settings
Address assignment
DHCP request timed out — no server answered. Switch to Manual to enter an address by hand.

Your tasks

The work order from the office: bring the AuroraTab onto the 10.40.12.0/24 register network and connect it to staff Wi-Fi. Items check off automatically as you go.

    Check your understanding

    1. The back-office DHCP server is offline for maintenance. Why does that stop the tablet from getting on the network on its own?
    2. You set the mask to 255.255.255.0 on the 10.40.12.0 network. How many addresses can actually be assigned to devices (hosts) on it?
    3. Which value you entered tells the tablet where to send traffic bound for a different network, like a cloud payment service on the internet?
    4. Suppose you'd forgotten to set a static address and DHCP was still down. Many devices then self-assign a link-local address. Which range is that?

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