Check out our second part of Interview Questions and Answers. We suggest you to look the first part too.
1. What is the order of GPO’s getting applied in a domain?
Local group policy (configured in the local computer)
Site level group policy
Domain level group policy
OU (Organizational Unit) level group policy
In general high priority group policies must be first ordered (link order with low values) and then followed by the low priority policies.
2. Name the inheritance types available in GPO.
Read more here.
3. Name the feature of Windows that enables administrators to regain any object that has been deleted from AD accidently.
Lost and Found, feature of Active Directory.
Read more about Lost and Found.
4. What is the common way of opening port in windows?
Opening ports in windows is done by making use of Windows Firewall. Click Advanced Settings and then create an inbound / outbound rule specifying the port required to open.
5. How to check whether a port has been opened or not?
You can use “telnet” command for this. telnet hostname/ip port number
Or you can use “netstat -an” on the server, to see which ports are listening.
6. What is the port number used for Remote Desktop Protocol (RDP)?
3389 for both TCP and UDP
7. What is Hyper-V?
In short, hyper-v is a hypervisor from Microsoft that enables platform vitualization. It enables consolidation of a single physical server into many virtual servers, all sharing the hardware resources of the host server.
8. What is the purpose of DNS? What port is allocated for its communication?
Domain Name System allows resolving FQDN (Fully Qualified Domain Names) hostnames to IP addresses and vice versa. Port number 53 serves both incoming and outgoing packet delivery for DNS.
9. Name some of the DNS records commonly used.
CNAME – Canonical Name used to define an alias hostname.
A record – Contains the ip (v4) address of a domain.
AAAA record – Contains the ip (v6) address of a domain.
MX record – Mail Exchange record maps a domain name to a list of mail exchange servers available for the domain.
PTR record – Pointer record maps an IPv4 address to the canonical name for that host.
NS record – Name Server record maps a domain name to a list of DNS servers authoritative for that domain.
10. What happens when we type an address in browser?
The best way to answer is check here.