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Test on computer network with answer P10

The Network Administrator would like to send you a series of multiple choice questions on the computer network so you can consult and test your knowledge.

★ Test on computer network with answer P9
★ Test on computer network with answer P7
  • Question 1. A class C subnet needs to contain at least 15 hosts, use the following Subnet Mask:
    • 255.255.255.224
    • 255.0.0.255
    • 255.255.255.240
    • 255.255.255.248
  • Question 2. Which of the following addresses is the subnet address of the host 172.16.25.14/30

    • 172.16.25.4

    • 172.16.25.12

    • 172.16.25.8

    • 172.16.25.16

  • Question 3. Which of the following addresses is the subnet address of the host 172.16.55.255/20
    • 172.16.55.0

    • 172.16.55.128

    • 172.16.32.0

    • 172.16.48.0

       

  • Question 4. Which of the following addresses is the broadcast address of the network 192.168.25.128/27
    • 192.168.25.255

    • 192.168.25.128

    • 192.168.25.159

    • 192.168.25.100
  • Question 5. Which of the following addresses is the broadcast address of the network 192.168.25.128/28
    • 192.168.25.255

    • 192.168.25.141

    • 192.168.25.180

    • 192.168.25.143

  • Question 6. A class A subnet lends 5 bits to divide the Subnet, then the Subnet Mask will be:
    • 255.255.255.248

    • 255,248,255,255

    • 255.248.255.0

    • 255.248.0.0

  • Question 7. A class A subnet lends 19 bits to divide the Subnet, then the Subnet Mask will be:
    • 255.255.248.0
    • 255.255.255.1
    • 255.255.255.224

    • 255.248.0.0

  • Question 8. To connect computers and switches together we can use:
    • Cross cable (Cross - Cable)
      1. Straight Cable (StraightCable)
      1. RolloverCable
    • All is wrong
  • Question 9. Among the following pairs of protocols and services, which pair is wrong?
    • SMTP: TCP Port 25
      1. FTP: TCP Port 21
      1. HTTP: TCP Port80
      1. TFTP: TCP Port69
  • Question 10. For IP address 192.168.25.91/26, Subnet Mask will be:

    • 255.255.255.128

    • 255.255.255.192
    • 255.255.255.224
    • 255,224.255,240

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Marvin Fry

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Marvin Fry
Update 24 May 2019

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