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200-301 · Question #1636

Refer to the exhibit. Inter-VLAN routing is configured on SW1. Client A is running Linux as an OS in VLAN 10 with a default gateway IP 10.0.0.1 but cannot ping client B in VLAN 20 running Windows. Wha

The correct answer is D. Run the ifconfig command on client A to confirm that the subnet mask is set to 255.255.128.0.. You need to check Client A’s subnet mask and confirm it’s 255.254.0.0. If it’s set to 255.255.128.0, Client A will not communicate properly with Client B. Use the ifconfig command to verify and fix the mask.

Submitted by kev92· Mar 5, 2026IP Connectivity

Question

Refer to the exhibit. Inter-VLAN routing is configured on SW1. Client A is running Linux as an OS in VLAN 10 with a default gateway IP 10.0.0.1 but cannot ping client B in VLAN 20 running Windows. What action must be taken to verify that client A has the correct IP settings?

Exhibits

200-301 question #1636 exhibit 1
200-301 question #1636 exhibit 2

Options

  • ARun the ifconfig command on client A to confirm that its IP and subnet mask fall within
  • BRun the ipconfig command on client A and ensure that the IP address is within the host range of
  • CRun the ipconfig command on client A to confirm that the correct 10.0.0.1 default gateway is
  • DRun the ifconfig command on client A to confirm that the subnet mask is set to 255.255.128.0.

How the community answered

(27 responses)
  • A
    22% (6)
  • B
    7% (2)
  • C
    7% (2)
  • D
    63% (17)

Explanation

You need to check Client A’s subnet mask and confirm it’s 255.254.0.0. If it’s set to 255.255.128.0, Client A will not communicate properly with Client B. Use the ifconfig command to verify and fix the mask.

Topics

#Linux ifconfig#IP addressing troubleshooting#Subnet mask#Inter-VLAN routing

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