Technical Questions asked in Nokia

  1. What is split horizon?
    1. Information about a route should not be sent back in the direction from which the original update came.
    2. It splits the traffic when you have a large bus (horizon) physical network.
    3. It holds the regular updates from broadcasting to a downed link.
    4. It prevents regular update messages from reinstating a route that has gone down.

    Answer: Option A.
  2. What will be output of following program
           #include<stdio.h>
    #include<string.h>
    int main(){
    int a = 5,b = 10,c;
    int *p = &a,*q = &b;
    c = p - q;
    printf("%d" , c);
    return 0;
    }
    1. 1                       
    2. 5                       
    3. -5                     
    4. Compilation error         

    Answer: Option A.
  3. Which of the following is true when describing a multicast address?
    1. Packets addressed to a unicast address are delivered to a single interface.
    2. Packets are delivered to all interfaces identified by the address. This is also called a one- to-many address.
    3. Identifies multiple interfaces and is only delivered to one address. This address can also be called one-to-one-of-many.
    4. These addresses are meant for non routing purposes, but they are almost globally unique so it is unlikely they will have an address overlap

    Answer: Option B.
  4. If a host on a network has the address 172.16.45.14/30, what is the subnetwork this host belongs to?
    1. 172.16.45.0
    2. 172.16.45.4
    3. 172.16.45.8
    4. 172.16.45.12

    Answer: Option D.
  5. Which of the following data structure can't store the non-homogeneous data elements?
    1. Arrays
    2. Records
    3. Pointers
    4. Stacks

    Answer: Option A.

  6. Identify the data structure which allows deletions at both ends of the list but insertion at only one end.
    1. Input restricted dequeue
    2. Output restricted dequeue
    3. Priority queues
    4. Stack

    Answer: Option A.
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