Describe redundancy and high availability in networks and name at least two standard methods or devices used to achieve it.

Describe redundancy and high availability in networks and name at least two standard methods or devices used to achieve it.

• A. Redundancy doubles bandwidth by adding more cables.
• B. Redundancy provides alternate paths and devices; high availability aims for minimal downtime; common methods include HSRP and VRRP for router failover; STP and link aggregation also help.
• C. High availability means servers are always on the same hardware.
• D. Redundancy only applies to storage.

Answer: (B)