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Introduction to HTTP Proxies

This test contains the basic HTTP proxy server questions for the CS GATE aspirants and also for academic students.

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following statements is/are incorrect about Web proxy server?

  1. A web proxy server is physically connected to the internal networks of the organisations.
  2. Web proxy server provides the user privacy.
  3. Web proxies also provide caching capabilities.
  4. Web proxies provide virus protection.
  5. None of the above
Question 2 Multiple Choice (Single Answer)

How does an HTTP proxy work as a firewall?

  1. The proxy works on the client side of the firewall.
  2. The client is part of a network secured by the firewall and the server is external to the secured network.
  3. The server is connected to a network protected by a firewall with the client external to the network.
  4. The client must authenticate itself to the proxy, which can then pass the request to the server.
  5. Only (1), (2) and (4)
Question 3 Multiple Choice (Single Answer)

Which of the following is called 'Reverse proxy'?

  1. It is an internet facing proxy used to retrieve from a wide range of sources.
  2. It is usually an internet facing proxy used as a front end to control and protect access to a server on a private network.
  3. It performs tasks such as load balancing, authentication, decryption or caching.
  4. It is also known as Tunnelling proxy.
  5. Only (2) and (3).
Question 4 Multiple Choice (Single Answer)

Which of the following is/are benefit(s) of the proxy server?

  1. It provides IP address security.
  2. It reduces the load on the server.
  3. It provides security to the users.
  4. It provides speedy internet access.
  5. All of the above
Question 5 Multiple Choice (Single Answer)

Which of the following is/are applicable for HTTPS proxy?

  1. HTTPS proxy is a relayer.
  2. HTTPS proxy cannot cache anything.
  3. HTTPS proxy has a channel to the server and the client receives and validates server's certificate.
  4. All of the above
  5. Only (2) and (3)
Question 6 Multiple Choice (Single Answer)

Which of the following is called 'Anonymous proxy'?

  1. This proxy server identifies itself as a proxy server but does not make the original IP address available.
  2. This proxy server identifies itself as a proxy server, but makes an incorrect original IP address available through the HTTP headers.
  3. This proxy server identifies itself as a proxy server and also makes the original IP address available through the HTTP headers.
  4. This type of proxy server does not identify itself as a proxy server and does not make available the original IP address.
  5. None of the above
Question 7 Multiple Choice (Single Answer)

Which of the following statements is/are incorrect about the HTTP proxy?

  1. HTTP proxy works as an interface for the web page and the server.
  2. It is used to speed up access to web pages.
  3. When the HTTP proxy forwards the request from the client to web server, then the location and identity of the computer making the original request is known to the web server.
  4. HTTP proxy can be used for networking applications.
  5. Both (2) and (3)
Question 8 Multiple Choice (Single Answer)

How is HTTP proxy used as a content filter?

  1. The proxy selects block access of certain web pages content and reformats them.
  2. A proxy server can have a list of pre-defined sites.
  3. A proxy server can make a copy of the remote site and keep a copy of that site in a local cache to reduce stress on a company's external internet connection.
  4. All of the above
  5. Both (1) and (2)
Question 9 Multiple Choice (Single Answer)

What is the disadvantage of caching in proxy server?

  1. It provides faster internet access by caching.
  2. In caching, the information displayed to the users is not the latest.
  3. In caching, the additional maintenance cost is needed.
  4. It does not provide any security of data.
  5. Only (1) and (2)
Question 10 Multiple Choice (Single Answer)

Which of the following statements is/are correct about transparent proxy server?

  1. A transparent proxy server is like a caching server.
  2. In this proxy server, the client does not have the information about the proxy server.
  3. This proxy server is useful where the client side configuration is not easy.
  4. This type of server is also used in ISP's to reduce the load on the bandwidth usage.
  5. All of the above
Question 11 Multiple Choice (Single Answer)

Which of the following is/are applicable for the SOCKS proxy?

  1. It is a general purpose proxy server that establishes a TCP connection to another server on behalf of a client.
  2. It routes all the traffic back and forth between the client and the server.
  3. SOCKS server does not interpret the network traffic between client and server in any way.
  4. All of the above
  5. Only (1) and (3)
Question 12 Multiple Choice (Single Answer)

Which of the following tasks is/are not related to HTTP proxy?

  1. A proxy receives a request for an URL object.
  2. A proxy can modify the request.
  3. A proxy stores previous requests and responses for handling new requests.
  4. A proxy forwards the request towards the server.
  5. None of the above
Question 13 Multiple Choice (Single Answer)

Which of the following is/are correct perspective(s) to proxy chaining?

  1. A proxy chain can use two or more proxy servers to assist in server and protocol performance and network security.
  2. Proxy chaining is the use of reverse and forward proxy servers across multiple networks.
  3. Proxy chaining gives better security and performance.
  4. The first proxy server in a chain will check to make sure a request is valid.
  5. All of the above
Question 14 Multiple Choice (Single Answer)

Which of the following statements is/are correct?

  1. HTTP proxy does understand and interpret the network traffic that passes between the client and downstream servers.
  2. HTTP proxy can only be used to handle HTTP traffic.
  3. HTTP proxy can recognise often repeated requests and cache the replies to improve performance.
  4. All of the above
  5. Only (1) and (2)
Question 15 Multiple Choice (Single Answer)

Which of the following statements is/are incorrect about name resolutions when using a proxy?

  1. Do DNS name lookup at proxy end configuration option allows to access the private network.
  2. WinSCP will always do its own DNS, and will always pass an IP address to the proxy.
  3. WinSCP will do something it considers appropriate for each type of proxy.
  4. The name resolution is not possible in proxies.
  5. Only (3) and (4).
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