Global Edge Software Skype Interview Question

Global Edge Software Skype Interview Question +++++++++++++++++++++++++++++++++++++++++++++

GES Skype Interview Question

Part-1
++++++

1. Tell me about yourself
2. Explain the current project in detail.Then there were question from each lines <how/why/what>
3. why we go for q-in-q. what is benifite of it.
4. How much vlan stacking possible.And in your current project, how it was used.
5. what is NAT/PNAT.
6. LACP related configuration, what mechanisim used to filter control pkt.


CLICK --> For more fresh question being asked in various company follow us at facebook.  

7. what is multicast, how multicast mac address map to multicast ip.
8. Is there any difference in trunk and access port. if show than what is it.
9. Trunk port can be part of how much vlan. and what about access port.
10. What is mib. How to save the configuration, which will restore when system will started.
11. How LAG and LACP differ.
12. Do you know the format of IP header.
13. If I want to send 2500 bytes packet. is it possible to send this size pkt. if no then how this pkt will be sent to.
14. what is fragment bit in ip header.how device know, all fragmented pkt has been recived and start assembling.
15. What is MTU.
16. What is minimum and max size of IP header.

17. What is TTL in ip header. How it is used.
18. What is the important filed in arp header.
19. how packet get identified, i.e it is arp pkt, icmp pkt etc.
20. Do you know TCP.
  CLICK --> For more fresh question being asked in various company follow us at facebook.  

                                                                     

                         Part-2
                                                                     

1. Is there any error in the below program. if no then what will be the output of the below program.
main()
{
fun1();
fun2();
}

fun1()
{
static i = 5;
i--;
printf("\r\n%d\r\n",i);
}

fun2()
{
static i = 3;
i--;
printf("\r\n%d\r\n",i);
}

2. what if we have call in main like

main()
{
fun1();
fun2();
fun1();
fun2();
}



CLICK --> For more fresh question being asked in various company follow us at facebook.  

3. what is typedef and typecast.
4. write a program to delete the node in single circular linklist. when address of any node is given.
5. what is difference between inline and macro.
6. what are the type of storage class.
7. explain the memory layout in c. and explain the scope of storage class in it.
8. what is dangling pointer.
9. how will u access the element of structure. if struct xx *y;
10. what is void pointer, size of it . where we can use it.
11. what is function pointer, use of it.
12. how can in include the below header file in both a.c and b.c.
a.h having int i = 10;
13. where we can use union. 




CLICK --> For more fresh question being asked in various company follow us at facebook.  

  

Global Edge Software Telephonic Interview

Global Edge Software Telephonic Interview Question ++++++++++++++++++++++++++++++++++++++++++++++++++

Global Edge Software

1. Tell me about yourself, what are the protocols you know, and what are the project you have worked, briefly explain the latest project role/work.
2. what is LACP and how it work.
3. what type of control packet are there in LACP.How to identify it.
4. what is vlan, what is trunk and access port, what type of device we can connect to these port.
5. How to identify the tagged and untagged packet. 
6. what will happen if we receive untagged packet at tagged packet. what will happen when it will out from egress port. 
7. There is a scenario where two switch are connect to each other in LAG, and from each switch one host is connected, and ping form host A to Host B.Explain the packet formate and what are the filed will be update/lookup will be happen at each stage.
                                   |------{-}--------- |
Host-A----- Switch-1 |------{LAG}------- | Switch-2 ---------- Host-B
                                   |------{-}--------- |

CLICK --> For more fresh question being asked in various company follow us at facebook. 

8. What is STP, How root is elected, what are the type of port Role.
9. How are you good in C Programming.
10. what are the storage classes in C. and their default value, storage in memory.
11. what is static keyword. explain where we can use and in what scenario it will not be use full.
12. can we have static variable in header file.
compilation steps in C. what type of file will be generated at each stage.
13. we use stdio.h, how compiler know from which path it has to include.
14. If I have array of 10 elements, having 1000100101, in one iteration is it possible to sort this array. if so, explain the logic.
15. if I have single linklist, then without reversing the linklist, can we print the element of linklist in reverse order.
16. If in the same linklist we have address of any node, how can we delete the node.
17. explain the system calls for tcp/udp socket communication for both (client and server) .
18. If I have the connect call in udp socket, what will happen. will it work or throw any error. 


CLICK --> For more fresh question being asked in various company follow us at facebook. 

HCL (Chennai) Telephonic Interview

HCL Interview Question

HCL (Chennai) Telephonic Interview

1. Tell me about yourself.
2. explain each step of compilation in c.
3. what is difference in macro and inline function.
4. I have multiple line of code and I want to use some part of code for one project requirement and other part of code or other project requirement, how you can achieve it.
5. what type of variable declaration in c.
6. In C program what type of main() function will be, whether it is declaration or definition. what is prototype of main.
7. What is the use of extern variable.
8. what is null pointer, where we use it.
9.What is an Opaque pointer.
10. what is memory leak.
11. can you tell me simple program of stack corruption.
12. what is difference between structure and union.
13. what is structre padding.
14. what is difference in malloc & calloc.
15. what does router do. do u konw any routing protocol.what does it user for.
16. Having single linklist there are 5 nodes and if I have address of third node, then how can I delete it.

CLICK --> For more fresh question being asked in various company follow us at facebook.

17. How you can find the middle of linklist.
18. how can u find the 2/3 of linklist.
19. which sorting technice is best as per you, can you explaion it.
20. what are the field of pkt will be modified in the below topology, form host A to server.
  Host A --- router A ------- router B -------router C -------- server.
21. What is NAT.
22. what is ARP, does arp pkt have ip hadder.
23. what is difference between trunk and access port.
24. What is use of fork system call.
25. what is difference betwwen fork and vfork.
26. having process in kernal and it recived an sigkill, what will happen, what will happen if process have child process.
27. what is IPC, what is difference in pipe and fifo.
28. Do you have any question for me.

CLICK --> For more fresh question being asked in various company follow us at facebook.