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Test on computer network with answer P7

  1. Question 1. The Subnet address of an IP is from the 17th to the 23rd bit. What is its IP address:
    1. Class A
    2. Class B
    3. Class C
    4. Class D
  2. Question 2. Which of the following Subnet Mask is valid:
      1. 0.255.255.255

    2. 0.0.0.255

    3. 255.0.0.255

    4. 255.255.255.0
  3. Question 3. In the IP address, there are 5 classes A, B, C, D, E. Class B is the class with the address range:
      1. 3.192.0.0.0 to 223.255.255.255
    2. 240.0.0.0 to 255.255.255.255
    3. 128.0.0.0 to 191.255.255.255
    4. 224.0.0.0 to 239.255.255.255
  4. Question 4. In the IP address, there are 5 all classes: A, B, C, D, E. Class C is the class with the address range:
    1. 224.0.0.0 to 239.255.255.255
    2. 192.0.0.0 to 223.255.255.255

    3. 128.0.0.0 to 191.255.255.255

    4. 240.0.0.0 to 255.255.255.255

  5. Question 5. Class C is allowed to borrow up to how many bits for Subnet:
    1. 2
    2. 4
    3. 6
    4. 8
  6. Sentence 6. The first byte of an IP address looks like: 00000010. So which class does it belong to:
    1. Class A
    2. Class B
    3. Class C
    4. Class D
  7. Question 7. A class C network needs to split into 9 subnets using the following Subnet Mask:
      1. 255.255.224

    2. 255.0.0.255

    3. 255.224.255.0

    4. 255.255.255.240 (240 = 111100002)

  8. Question 8. Which of the following commands is used to add a link in the routing table to the Windows operating system:
      1. Nslookup
      1. Route
      1. Ipconfig
      1. Tracert
  9. Sentence 9. The second layer in the OSI model separates the bit stream from the Physical Layer into:
      1. Segment
      1. Frame
    3. Packet
    4. PSU
  10. Question 10. Which method is used to prevent unauthorized access (according to the predetermined access list) and can filter out packets:
      1. Encryption
      1. PhysicalProtection
      1. Firewall
      1. Login / password
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