Lpi 020-100 Security Essentials – Exam 020, version 1.0 Online Training
Lpi 020-100 Online Training
The questions for 020-100 were last updated at Aug 12,2025.
- Exam Code: 020-100
- Exam Name: Security Essentials - Exam 020, version 1.0
- Certification Provider: Lpi
- Latest update: Aug 12,2025
Which of the following backup types only copies data that has changed since the last backup, regardless of which type of backup it was last performed?
- A . Full backup
- B . Incremental backup
- C . Differential backup
- D . Synthetic backup
Which of the following is a private IPv4 address?
- A . 2001:0db8:85a3:0000:0000:8a2e:0370:7334
- B . AC:DE:48:00:11:22
- C . 172.16.0.1
- D . 66.23.15.63
Which of the following is an example of a hybrid encryption scheme?
- A . RSA
- B . HTTPS
- C . AES
- D . SHA-256
Which of the following is a network of compromised devices used to perform malicious activities?
- A . Man in the Middle
- B . Traffic interception
- C . DoS
- D . Botnet
What is email spam?
- A . Sensitive information sent via email
- B . Unsolicited and unwanted email
- C . Emails from trusted sources
- D . Encrypted email
Which protocol is used to translate domain names into IP addresses?
- A . DHCP
- B . SMTP
- C . 802.11
- D . DNS
Which backup rotation scheme uses a sequence of full, differential, and incremental backups to create a backup history?
- A . Tower of Hanoi
- B . Grandfather-Father-Son
- C . 3-2-1 Backup Rule
- D . Monthly-Weekly-Daily
Which concept ensures that only the intended recipients can read a message?
- A . End-to-end encryption
- B . Transfer encryption
- C . TOR
- D . Proxy servers
Which of the following is a wired network connection commonly used for local area networks?
- A . Twisted pair
- B . Bluetooth
- C . Fiber optic
- D . Coaxial
What is the potential risk of publishing personal information online?
- A . Enhanced privacy
- B . Identity theft
- C . Increased productivity
- D . Improved mental health
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