Consider the following routing table at an IP router: \(\begin{array}{|l|l|l|}…

GATE · 2015 · CS · Set 2 · Computer Science & IT

Consider the following routing table at an IP router:

Network NoNet MaskNext Hop128.96.170.0255.255.254.0Interface 0128.96.168.0255.255.254.0Interface 1128.96.166.0255.255.254.0R2128.96.164.0255.255.252.0R30.0.0.0DefaultR4\begin{array}{|l|l|l|} \hline \textbf {Network No} & \textbf {Net Mask} & \textbf{Next Hop} \\\hline \text {128.96.170.0} & \text{255.255.254.0} & \text{Interface $0$} \\\hline\text {128.96.168.0} & \text{255.255.254.0} & \text{Interface $1$} \\\hline\text {128.96.166.0} & \text{255.255.254.0} & \text{R$2$}\\\hline \text {128.96.164.0} & \text{255.255.252.0} & \text{R$3$}\\\hline \text {0.0.0.0} & \text{Default} & \text{R$4$}\\\hline \end{array}

For each IP address in Group I identify the correct choice of the next hop from Group II using the entries from the routing table above.

  Group I

  i) 128.96.171.92
  ii) 128.96.167.151
  iii) 128.96.163.151
  iv) 128.96.165.121 

Group II

a) Interface 0
b) Interface 1
c) R2
d) R3
e) R4

  1. A.

    i-a, ii-c, iii-e, iv-d

  2. B.

    i-a, ii-d, iii-b, iv-e

  3. C.

    i-b, ii-c, iii-d, iv-e

  4. D.

    i-b, ii-c, iii-e, iv-d

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