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GSNA · Question #254

You work as a Network Administrator for XYZ CORP. The company has a TCP/IP-based network environment. The network contains Cisco switches and a Cisco router. A user is unable to access the Internet…

The correct answer is A. An incorrect subnet mask is configured on Host B. According to the network diagram, the IP address range used on the network is from the class C private address range. The class C IP address uses the following default subnet mask: 255.255.255.0 The question specifies that the subnet mask used in Host B is 255.255.0.0, which is…

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Question

You work as a Network Administrator for XYZ CORP. The company has a TCP/IP-based network environment. The network contains Cisco switches and a Cisco router. A user is unable to access the Internet from Host B. You also verify that Host B is not able to connect to other resources on the network. The IP configuration of Host B is shown below:

Which of the following is the most likely cause of the issue?

Exhibit

GSNA question #254 exhibit

Options

  • AAn incorrect subnet mask is configured on Host B.
  • BThe IP address of Host B is not from the correct IP address range of the network.
  • CThere is an IP address conflict on the network.
  • DAn incorrect default gateway is configured on Host B.

How the community answered

(54 responses)
  • A
    78% (42)
  • B
    4% (2)
  • C
    7% (4)
  • D
    11% (6)

Explanation

According to the network diagram, the IP address range used on the network is from the class C private address range. The class C IP address uses the following default subnet mask: 255.255.255.0 The question specifies that the subnet mask used in Host B is 255.255.0.0, which is an incorrect subnet mask.

Topics

#subnet mask#TCP/IP#network troubleshooting#IP configuration

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