Verizon Security Engineer 2 Interview Questions and Answers

The phases of site-to-site VPN are the steps involved in establishing and maintaining a secure connection between two networks.

• Phase 1: Authentication and key exchange

• Phase 2: Data encryption and tunnel establishment

• Phase 3: Traffic protection and monitoring

• Each phase has its own set of protocols and processes

• For example, in Phase 1, the VPN peers authenticate each other using methods like pre-shared keys or digital ce

NAT stands for Network Address Translation. It is a technique used to map a public IP address to a private IP address.

• NAT is used to conserve public IP addresses.

• It allows multiple devices to share a single public IP address.

• NAT can be implemented using hardware or software.

• There are three types of NAT: Static NAT, Dynamic NAT, and Port Address Translation (PAT).

BGP stands for Border Gateway Protocol, a routing protocol used to exchange routing information between different networks.

• BGP is used to connect different autonomous systems (AS) on the internet.

• It is a path-vector protocol that selects the best path for data to travel based on various attributes.

• BGP is used by internet service providers (ISPs) to exchange routing information with each other.

• It is a complex protocol t...read more