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Citrix

1Y0-240 · Question #179

A Citrix Administrator needs to block all the DNS requests from subnet 10.107.149.0/24. Which expressions can the administrator use to match the required traffic?

The correct answer is B. CLIENT.IP.SRC.IN_SUBNET(10.107.149.0/24) && (client.UDP.DSTPORT.EQ(53) ||. See the full explanation below for the reasoning.

Question

A Citrix Administrator needs to block all the DNS requests from subnet 10.107.149.0/24. Which expressions can the administrator use to match the required traffic?

Options

  • ACLIENT.IP.SRC.IN_SUBNET(10.107.149.0/24) && client.UDP.DSTPORT.EQ(53) ||
  • BCLIENT.IP.SRC.IN_SUBNET(10.107.149.0/24) && (client.UDP.DSTPORT.EQ(53) ||
  • CCLIENT.IP.SRC(10.107.149.0) && (client.UDP.DSTPORT.EQ(53) ||
  • DCLIENT.IP.SRC(10.107.149.0) && client.UDP.DSTPORT.EQ(53) || client.TCP.DSTPORT.EQ(53)

How the community answered

(42 responses)
  • A
    2% (1)
  • B
    76% (32)
  • C
    14% (6)
  • D
    7% (3)

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