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H31-211: HCNA - Carrier IP
Free Practice Exam Questions (page: 15)
Updated On: 2-Jan-2026

Page 15 of 110
PDF with 434 Questions

Which of the following firewalls acts as an intermediate node in which it acts as a server for the client and acts as a client for the server?
Which of the following firewalls best describes the firewall mentioned above?

  1. Application layer gateway firewall
  2. Packet filtering firewall
  3. Stateful firewall
  4. Proxy firewall

Answer(s): D



This type of firewall directly obtains the information such as source IP address, destination IP address, source TCP/UDP port, destination TCP/UDP port and protocol number in the packet header and filters the packets based on the defined policy. Which of the following is the firewall described above?

  1. Proxy firewall
  2. Packet filtering firewall
  3. Stateful firewall
  4. Link layer firewall

Answer(s): B



This device is used between the zones with different security level, control the information exchanged between two networks, enforce the implementation of unified security policy, and prevent the intruder from copying and accessing the important information illegally. In short words, it protects the security of the system. Which of the following devices provides the function mentioned above?

  1. Gateway
  2. Router
  3. Firewall
  4. IDS

Answer(s): C



Which of the following statements regarding proxy firewall are correct? (Select multiple)

  1. Proxy firewall does not support abundant services.
  2. The performance of proxy firewall is higher.
  3. Proxy firewall has better security compared with packet filtering firewall.
  4. For the proxy firewall, a module must be developed for each application. Therefore, the development cost is high.

Answer(s): A,B,D



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