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Ques:- What is the difference between forward lookup and reverse lookup in DNS?
Comments
Admin May 17, 2020

Fwd Lookup resolves a Hostname to its IP address
Rev Lookup resolves a IP Address to its Hostname

Admin May 17, 2020

Forware Lookup resolves (converts) FQDN name into IP address
EX: www.allinterview.com into 192.168.5.253
Reverse Lookup resolves (converts)IP Address into FQDN
FQDN = Fully Qualified Domain Name

Ques:- what is vpn and describe the diffrence between ras and vpn
Comments
Admin May 17, 2020

VPN stands for Virtual Private Network.VPN provides the
private network communication over public network.VPN uses
L2TP,PPTP & IPSec protocol for communication.VPN provides
secure transmission with these secure protocol.Data is sent
into cipher mode.
RAS is used to access remote pc from another location.RAS
uses PPP protocol for communication.RAS doesn't provide
security because data is sent into simple text format.

Ques:- Explain BGP (Border Gateway Protocol)?
Right Answer:
BGP (Border Gateway Protocol) is a standardized exterior gateway protocol used to exchange routing information between different autonomous systems (AS) on the internet. It helps determine the best paths for data to travel across multiple networks, ensuring efficient and reliable communication. BGP uses path vector mechanisms to maintain the path information that gets updated as the network topology changes.
Ques:- What is bgp?
Right Answer:
BGP, or Border Gateway Protocol, is the protocol used to exchange routing information between different autonomous systems on the internet, enabling them to communicate and determine the best paths for data transmission.
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