Flashcards
Network Security
Cards in this deck (10)
- 1Network SecurityNetwork security consists of the provisions and policies adopted by a network administrator to prevent and monitor unauthorized access, misuse, modification, or denial of a computer network and network-accessible resources.
- 2Passwordsno of characters; type of characters- 4 types-;not using known words: shouldn't have multiple accounts with similar passwords.
- 3user access levelProtects loss of data, personal or confidential. It is not necessary for any and every user to access all the data on a computer system. Access to data on a computer system will fluctuate on their role of responsibility within, for example, a business or organisation.
- 4EncryptionEncryption is the conversion of data, using an algorithm, into cyphertext which cannot be easily understood.
- 5XORWhen encrypting, the XOR logic gate is used.
- 6Network Policies, AUPAUP, documents that outline the rules that users are required to follow while using a computer network. network users are expected to adhere to the rules. Each document is long and should be agreed by a committee.
- 7Disaster RecoveryIt is essential that an effective disaster recovery policy should be put in place.
Disasters such as: natural disasters; hardware failure(e.g: power supply failing); software(e.g: virus damage); malicious damage(e.g: hacking) - 8Disaster Recovery, 2Recovery Policies:
.before, risk analysis; preventative measures
.during, staff response- implement contingency plans
.after, recovery measures; replacement hardware or software; restoring data from backups. - 9BackupProcess of copying data so that it can be preserved and restored if the original data is lost. should be made regularly as the older the data becomes the less likely it is to match any data.
- 10backup policiesThree different backups be kept at any time , with one of these being stored off site: son, original file; father, back up of the son; back up of the father.
Backup sequences continually updated.
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- Flashcards on Network Security, created by ma.styles8786 on 06/03/2015.
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- ma.styles8786
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