Networking – Interview Questions and Answers

Hardware and Networking Interview Questions with Answers
March 11 ·
What port does telnet use?
What is SMTP?
How would you troubleshoot a printer?
How does traceroute work?
Walk me through everything that happens in the network from the moment you punch in www.google.com in the address bar to when the browser displays the page?
Can you work this weekend?
What kind of people are your current users? Do you like them?
What role do you think computer support analysts should play in the company?
Assuming you have to work for a living and all jobs pay the same, how would you describe the job you want?
When conflict arises on your team, how do you handle it?
How do you stay current?
What operating system do you prefer and why?
What part of the project life cycle have you worked on?
Describe the project or situation that best demonstrates your coding (or analytical) skills.
What is the differece between local, global and universal groups?
What is the major difference between FAT and NTFS?
Name the FMSO roles and their functions.
You’ve just been asked to create 20 new Users and update 2 GPOs, ASAP! You go to the Administrative Tools, and discover they are all gone. What do you do? What do you suspect happened?
What is a Global Catalog?
Explain the function of DNS.
Explain a “Two-Way Transitive” trust.
In speaking about trusts, what does “Non-transitive” mean?
Describe the lease process of DHCP.
Explain NTP.
What is the 568B wiring scheme?
What us your highest achievement while working in the IT field?
What are your short term goals to achieve?
You have a user call for support for the 5th time on the same issue. How would you handle the call and what would you do differently?
List as many ways you can think of to move a file from a Windows machine to a Linux machine.
Demonstrate recursiveness by implementing a factorial function.

 

 

 

 

Network engineer interview questions
OSPF
Describe OSPF in your own words.
OSPF areas, the purpose of having each of them
Types of OSPF LSA, the purpose of each LSA type
What exact LSA type you can see in different areas
How OSPF establishes neighboor relation, what the stages are
If OSPF router is stucked in each stage what the problem is and how to troubleshoot it
OSPF hierarchy in the single or multi areas. Cool OSPF behavior in broadcast and nonbroadcast
Draw the diagram of typical OSPF network and explain generally how it works, DR, BDR, election, ASBR, ABR, route redistribution and summarization
STP
How it works and the purpose
Diff types (SSTP, MSTP, RSTP) Cisco – PVST/PVST+
root election
Diff. port stages and timing for convergence
Draw the typical diagram and explain how diff types of STP work
What ports are blocking or forwarding
How it works if there are topology changes
ACLs
What are they
Diff types
Write an example if you want to allow and to deny…
Well-known port numbers (DNS – 53 and etc…)
QOS
What is that
What is the diff b/w L2 and L3 QoS
How it works
Network:
Draw the typical network diagram you have to deal with
explain how it works
What part of it you are responsible
firewall, what is that, how it works, how it is diff from ACLs
What problems with the network you had had and how you solved it.
What are the ways to troubleshoot the network, techniques, commands
network security, ways to achieve it
Switching:
VLANs
STP
How a L2 switch works with broadcast, unicast, multicast, known/unknown traffic
VRRP, GLBP
port monitoring and mirroring
L3 switch, how it works
PIM sparse and dense modes

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tcp ip model layers

Quiz: [WpProQuiz 13]