A network administrator is trying to add network redundancy for the server farm. Which of the following can the network administrator configure to BEST provide this capability?
A.
Network redundancy refers to having multiple systems or components in place that can perform the same functions in case of failure or downtime, ensuring that the network remains available and accessible. VRRP (Virtual Router Redundancy Protocol) is a protocol that provides redundancy for IP networks by allowing multiple routers to share a single virtual IP address, providing automatic failover if one of the routers fails.
In contrast, a UPS provides backup power for the servers in the event of a power outage, but it does not provide network redundancy. The goal of a UPS is to keep the servers running until they can be safely shut down in case of a power failure, but it does not provide any backup or redundancy for the network. RPO (Recovery Point Objective) refers to the maximum acceptable amount of data loss that is tolerable in the event of a disaster or data loss, and is a term commonly used in the context of backup and disaster recovery planning.
A:
VRRP is an open standard protocol, which is used to provide redundancy in a network. It is a network layer protocol (protocol number-112). The number of routers (group members) in a group acts as a virtual logical router which will be the default gateway of all the local hosts. If one router goes down, one of the other group members can take place for the responsibilities for forwarding the traffic.
VRRP is an IP routing redundancy protocol designed to allow for transparent failover at the first-hop IP router. VRRP enables a group of routers to form a single virtual router . The LAN clients can then be configured with the virtual router as their default gateway.
Answer B: DNS
thorugh DNS roun robin, create multiple A record with same server name but different IP addresses
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