Dominion Energy_Inteview

Question 1

Why did you employment end at USMC

Answer 1

I was let go because of a security policy violation
I accessed networking device that my group didnt manage

Question 2

ROUTER/SWITCH

Answer 2

Router-
Uses IP addresses
connects devices within different networks

Switch
Uses mac addresses
connects devices within the same network.

Question 3

TCP vs UDP

Answer 3

TCP - connection oriented
HTTPS
ssh /telnet

UDP- connectionless
DNS, DHCP

Question 4

Router vs Switch

Answer 4

Switch-
Layer 2
uses mac addresses
connects devices in the same network

Router
Layer 3
uses IP addresses
connects devices in different networks

Question 5

Why were you let go

Answer 5

I was let go because of a security policy violation
I had a secret clearance
I accessed a networking device that my group didnt manage

Question 6

Describe a challenging issue at work and describe how you managed it

Answer 6

I was upgrading an IOS on a 9300 switch and I got an error message not enough resources. So I deleted some old files in flash to make some space

Question 7

What is a default route and what is it used for

Answer 7

Instead of maintaining a large number of specific routes, a single default route can be used

ip route 0.0.0.0 0.0.0.0 129.168.2.44