Securing Data On A Network, Including The Internet
Bayani Gaba-gaba
Every time data travels across a network it passes through cables, wireless signals, routers, and servers that other people could potentially intercept. The methods used to keep that data safe range from simple passwords to sophisticated encryption algorithms, and choosing the right combination depends on what you are protecting and who you are protecting it from.
In this lesson you will explore seven layers of network security: authentication, firewalls, encryption (including WEP, WPA, and public key cryptography), VPNs, file access rights, transaction logs, and backup strategies. You will learn how to match each method to a real scenario, a skill that Edexcel tests in both Paper 1 and Paper 2.
Manufura
- Know about and understand the use of log-ins and passwords, firewalls, WEP/WPA, encryption, VPN, file access rights, transaction logs and backups
- Be able to select suitable methods of securing data for a particular context
Takardar Darasi
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Nazarin Darasi
Barka da kammala darasi akan Securing Data On A Network, Including The Internet. Yanzu da kuka bincika mahimman raayoyi da raayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.
Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.
Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.
- Which wireless encryption protocol assigns a unique key to each device on the network? A) WEP B) WPA C) VPN D) Caesar cipher Answer: B
- What is the main purpose of a firewall? A) To encrypt data before it is sent B) To back up data automatically C) To inspect and filter data packets entering or leaving a network D) To assign usernames and passwords to users Answer: C
- In public key encryption, which key is used to decrypt a message? A) The sender's public key B) The recipient's public key C) The sender's private key D) The recipient's private key Answer: D
- Which type of backup copies only files that have changed since the last backup of any type? A) Full B) Differential C) Incremental D) Mirror Answer: C
- A company wants employees to access the office network securely from home. Which technology should they use? A) WEP B) Firewall C) VPN D) Transaction log Answer: C
Akwai a cikin manhajar Green Bridge
Zazzage manhajar Green Bridge CBT a wayar ka ko kwamfyuta ka don samun cikakkiyar bayanan darasi, tambayoyin aiki, da ƙari.
Akwai a cikin manhajar Green Bridge
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