Network administrator Interview Questions in Canada

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Rackspace Technology
Network Security Administrator I was asked...May 28, 2012

There are two directly-connected switches. Assume that they communicate fine on the physical layer. Why can't two hosts with assigned addresses 192.168.100.5/30 and 192.168.100.50/30 communicate with each other? Also assume that network addresses can be used. How would you remedy this by swapping out only ONE of the devices on the network?

4 Answers

The hosts are on two different subnets. Replace one of the switches with a properly-configured router. Less

the host which assign 192.168.100.5/30 and host 192.168.100.50/30 these subnet is not belong to same subnet Less

The subnet being used only provides 2 useable address, .5 and .6 the .50 address is out of the range. If there are only switches and no router, swap out one switch with a router and re-configure the network addresses. Less

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Tata Communications

In technical interview, they asked HR question

3 Answers

Which topic are they asked for gd

Sry to ask can I get ur mail id?

They expect very strong communication skill for fresher

Vodafone

What will be the problem when my PC cant be able to connect to a specific server?

3 Answers

It may be the problem with DHCP or DNS server.

ping to the server, if it able to respond then your network connectivity is fine, otherwise check for connectivity. Less

make sure your servers ports are opened if your server is place behind the firewall Less

Comcast

What is a switch and what is a router.

2 Answers

Router create broadcast domains by breaking multiple network into broadcast domain. Router is a layer 3 device and it is used in forwarding packet to the next hop(or next destination). Switch is a layer 2 device that creates collision domains. By creating collision domains, data performance is improved as there is no contention(as seen in CSMA/CD in hubs) as each port has its own dedicated bandwidth. Less

a switch is a computer networking device that connects devices together on a computer network, by using packet switching to receive, process and forward data to the destination device. Router routes data to different networks or between networks. Less

Toray Composite Materials America

You have four situations - who do you help first: 1) The CEO who can't get into his e-mail 2) An unpleasant employee who cannot login to their computer 3) Your friend who can't print a document 4) An internet router that is down No further information will be given.

2 Answers

1st - The router so multiple employees can use the resource 2nd - The unpleasant employee - because they usually are the ones tasked with the most work and may be a key employee, plus they cant do anything on their computer 3rd - The CEO, because you don't want to keep him waiting Then #4 your friend, because he would be able to understand and can use other resources (such as e-mail to a co-worker) in the meantime. Less

This is a typical root cause corrective action question. The router is the culprit here of all the other issues, or at least could be. The CEO probably can't access his email due to no connectivity, as well as the employee not being able to log on and your friend not being able to print. Less

Honeywell

How to troubleshoot network issues.

2 Answers

supervising the network.

Ping, telnet, tracert, etc.

CMS Info Systems

what is linux?

2 Answers

it is a operating system. :)

After you got selected did they asked you to pay any amount for training?

STS Aviation

Did you ever work with Windows 2016 server?

2 Answers

No I didn’t but I did work with Windows Server 2008 R2.

I have worked with windows server 2016.

Cisco Systems

How do you configure a static route on a Cisco iOS device?

2 Answers

I couldn't remember the answer at the time, and told them such. They seemed happy that I was able to admit that instead of trying to BS my way through it. Less

Static route configuration per global config: ip route Example : ip route 192.168.0.0 255.255.252.0 s0/0 where s0/0 is the egress interface number Less

Computer Networking General Knowledge

2 Answers

Well

Assalam o alaikum

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