Exam 14: Ensuring Integrity and Availability

Explain why it is important to keep backups,boot disks,and emergency repair disks current and available.

____________________ is the process of restoring your critical functionality and data after an enterprise-wide outage that affects more than a single system or a limited group of users.

____ is a type of media capable of storing digitized data and that uses a laser to write data to it and read data from it.

____ is an automatic distribution of traffic over multiple links or processors to optimize response.

The goal of fault-tolerant systems is to prevent failures from progressing to faults.

____ are distinct networks of storage devices that communicate directly with each other and with other networks.

An anti-malware policy is meant to protect the network from damage and downtime.

A(n)____________________ is a copy of data or program files created for archiving or safekeeping.

____ detects malware by comparing current characteristics of files and disks against an archived version of these characteristics to discover any changes.

Describe how an organization implements anti-malware software.

____ are programs that run independently and travel between computers and across networks.

____ offers the best performance.

A program that disguises itself as something useful but actually harms your system is called a ____.

____ provides redundancy through a process called disk mirroring.

Define disk duplexing and describe how it is related to disk mirroring.

Protection against harmful code involves more than just installing anti-malware software.

MATCHING Match each item with a statement below: a.surge f.availability b.noise g.cold site c.brownout h.warm site d.blackout i.hot site e.integrity -A place where the computers,devices,and connectivity necessary to rebuild a network exist,with some appropriately configured,updated,or connected.

Generators provide surge protection.

____ scanning detects malware by comparing a file's content with known malware signatures in a signature database.

Describe the key to fault tolerance in network design.Provide examples of fault tolerant topologies.