What will occur when Server1 attempts to connect to a host that has an IP address of 172.20.10.50?

You have a server named Server1 that runs Windows Server 2016.

Server1 has the following routing table.

What will occur when Server1 attempts to connect to a host that has an IP address of 172.20.10.50?
A . Server1 will attempt to connect directly to 172.20.10.50.
B . Server1 will route the connection to 10.10.0.2.
C . Server1 will silently drop the connection attempt.
D . Server1 will route the connection to 192.168.2.1.

Answer: D

Explanation:

http://www.techrepublic.com/article/understanding-routing-tables/

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3 Comments

  1. I would say the answer is A!

    IP: 172.20.10.50 applies to route: 172.16.0.0 / 255.240.0.0

    IP: 172.16.0.1
    = 1010 1100.0001 0000.0000 0000.0000 0001
    NM: 255.240.0.0
    = 1111 1111.1111 0000.0000 0000.0000 0000

    Here you see the first 12 bits determine the Network ID
    NID: 172.16.0.0

    IP: 172.20.10.50
    = 1010 1100.0001 0100.0000 1010.0011 0010
    It has the same first 12 bits as IP: 172.16.0.1

    So IP: 172.16.0.1/12 is in the same Network as IP: 172.20.10.50/12
    Now I hope to have proven to you that 172.20.10.50 applies to the route 172.16.0.0 / 255.240.0.0

    (The last IP in NID:172.16.0.0 with 12 bits: 172.31.255.255/12

    IP: 172.31.255.255
    = 1010 1100.0001 1111.1111 1111.1111 1111
    It has the same first 12 bits as IP: 172.16.0.1
    )

      1. It will connect to 172.20.10.50 but not directly. Since they are on different networks the request has to get forwarded to the default gateway to get routed to another network.

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