divers:questions

How do you qualify your Active Directory administration experience (Domain migrations? GPO? Management of the structure, of the users?)
What is the name of the tool used to create the accounts in Active Directory?
What is the difference between a security group and a distribution group?
And between a universal and global group? What is referred to when speaking about the abbreviation “AGDLP” or “AGUDLP”?
A Windows 2008 R2 server restarts in Infinite loop. What is your approach to diagnosing the problem?

What is the latest major Linux project that you have completed?
What is the Linux command to display free/used memory on Linux? Does free memory really exist on Linux?
What happens if we do “TAB TAB” at the Linux prompt?
What happens if we add “& disown” After a Linux command?
I lost my root password, what can I do?
How to do a search in VI?
What is LVM for Linux?

How do you qualify your experience in configuring Firewall (“Firewall”)? (What brands/models?)
Generally, how do you secure a Windows server? What is C2 certification? (Trusted Computer System Evaluation Criteria / Orange book)
You are being asked to help secure a corporate subnet. The goal is to isolate some computers from others in order to maintain the confidentiality of artistic materials. How do you think we should proceed?
In the previous scenario, what role can a network switch of Layer 3 type provide? Contrast against a layer 2 switch
What is a tunnel and how to bypass an HTTP proxy?
What is an IPS system? What is the difference with an IDS system?
What is the purpose of a SIEM system?
How does a layer 7 firewall differ from a conventional firewall?

How do you qualify your network administration skill?
- (Your specialty? Experience with ACL, Routage, NAT, VPN, VLAN?)
Did you have to manage DNS regularly?
Do you have extensive experience with site to site VPN techs?
- (if yes, in which contexts and with which technologies)
What is 802.1q?
How many addresses can be used in a network with a mask 16 bits?
Tell us about the following protocols: LDAP, IMAP, MAPI, SMTP, RADIUS, BGP
What technologies or methods are used to reduce (or eliminate) « broadcast storms »?
What ways can we increase bandwidth Network of a server? (Detail technologies and concepts)
Name some interesting customizable technologies found on a “manageable switch”
What is the purpose of address 255.255.255.255?
Tell us about the content of a DNS table and how it is used
How could you extend a network between two sites to share a Network Level 2 DCI? (MPLS, VPLS, A-VPLS, Cisco OTV, HP EVI, EVPN)
Other than the MTU, what Other TCP settings could we modify to have smaller packets? (« Maximum Segment Size »)

What types of “port groups” exist on ESXi?
What are the types of “load Balancing” available on “vSwitches”? (“Originating port ID”, “MAC hash”, “IP hash”)
What is the purpose of Path selection Policies for storage on VMWare?
What is the difference between a “.vmdk” and “.vmdk-flat” file?
What is a “vApp”?
What is VMWare DRS?
How does a “snapshot” work on VMWare? Is it different on a VVOL?

What is the difference between E1 and E3 plans?
What is the use of the permission “Send As”? How does it differ from “Send on Behalf”?
What are the different ways to integrate authentication on Office 365 with Active Directory? (Synchro or Federation)
What is the attribute that allows you to manage a user's destination email address? How does it differ from “ProxyAddresses”?
What is a “Document Library” In SharePoint?
What is the taxonomy in SharePoint for?
What is a “Master Page” in SharePoint?
What is a Package Solution?
What is a SIP trunk?
- What are the important roles in Skype for Business server? (mediation, edge, director, persistent chat)

Could you write a PowerShell script to add a value to the extended fields in Active Directory from a CSV file?
What is your favorite development environment (OS, editor, tools, etc.)?
What is abstraction?
How would you do a “ping” on a machine with PowerShell?
If I run the command “Get-Service-Name “bits” | Start-Process”, what will happen?
What is the difference in PowerShell between a normal function and an advanced function?
What is usually the first line in a shell script on Linux?
What are “regular expressions”?
What is the use of the caret (^) in “regex”?

Have you ever been responsible for backups in your work experience?
- (If so, briefly explain your backup and restore methodologies, as well as the associated tools used?)
Name the different conventional backup techniques (complete, incremental, differential)
What is the most efficient method at the disk space level in conventional methods, and why?
What is the disadvantage of the incremental technique?

What is the main difference between conventional source control systems and the distributed model?
Can you name conventional source control systems? (SVN, CVS, VSS, VSTS, Perforce)
What is the most popular distributed source control system right now? (Git)
What is a branch in a source control system?

Can you name the three layers of the cloud model? (“IaaS”, “PaaS” and “SaaS”)
What is the EC2 service for at Amazon?
Name the container technologies you know
What is the difference between a virtual machine and a “container”?
How can you see the console of a virtual machine on Amazon AWS? (“Screenshot” on Linux, “event log” only on Windows)