Technical Interview Questions

Posted by robd on September 11, 2013
Active Directory Sites and Services, exchange, vmware

Recently put together some technical questions for a interview, thought I’d share some of them with you:


Explain about your production environment? How many cluster’s, ESX, Data Centres, H/w etc ?
How does VMotion works? What’s the port number used for it?
How does HA works? Port number? How many host failure allowed and why?
How do DRS works? Which technology used? What are the priority counts to migrate the

How do snap shot’s works?
What are the common issues with snapshots?
What’s the difference between ESX and ESXi?
Storage team provided the new LUN ID to you? How will you configure the LUN in VC?
What would be the block size (say for 500 GB volume size)?
What are notable files that represent a VM?
What is a template in VMware

What is a MAC Address?
What are the main advantages and disadvantages of Fibre-Optic-based networks?
What are the OSI Layers
What is the difference between TCP and UDP?
What is a TCP Session?
What is ICMP?
What is the (default) class type of
How does a TCP connection establish a connection
What is ARP?
Name 5 common Ports?
Explain how the HTTPS hand shake works
What is a VLAN ?
What is VLAN Tagging? Why?

What are the FSMO roles
What is a Global catalogue server
How do you manually create SRV records in DNS
How would you fix a broken DC that reps between site
What’s a conditional forwarder
How do I clear the DNS cache on the DNS server?
What is WINS and when do we use it?
Where is the AD database held?
Trying to look at the Schema, how can I do that?
What are GPOs?

What roles does Exchange 2010 use?
What is a DAG
What does this line of Power Shell mean: get-mailbox  | ft Name

What is a full and basic backup
How would you restore a SQL server to another environment
How would you backup a SQL server


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