CompTIA Security+ SY0-601 Exam Cram, 6th Edition

Chapter 13

Cybersecurity Resilience

This chapter covers the following official Security+ exam objective:

• ▶ 2.5 Given a scenario, implement cybersecurity resilience.

Essential Terms and Components

• ▶ redundancy

• ▶ redundant array of inexpensive disks (RAID)

• ▶ dual power supply unit (PSU)

• ▶ uninterruptible power supply (UPS)

• ▶ generator

• ▶ managed power distribution unit (PDU)

• ▶ full backup

• ▶ differential backup

• ▶ incremental backup

• ▶ snapshot

• ▶ network load balancers

• ▶ network interface card (NIC) teaming

• ▶ high availability

• ▶ replication

• ▶ non-persistence

• ▶ defense in depth

Redundancy

Equipment will fail; as one movie character has suggested, “The world is an imperfect place.” When a single drive crashes, sometimes the only way to sustain ...