020-100 無料問題集「Lpi Linux Professional Institute Security Essentials Exam 020」

（A）Firewall

（B）Switch

（C）Router

（D）Patch panel

（A）Cryptominer

（B）Trojan

（C）Adware

（D）Ransomware

（A）The process of blocking ads on a user,s browser

（B）The process of collecting personal information from a user,s browser

（C）The process of improving a user,s browser performance

（D）The process of encrypting a user,s browsing data

（A）Sending email in plain text

（B）OpenPGP encryption

（C）Using a simple substitution cipher

（D）Posting on social media

（A）To improve system performance

（B）To reduce storage capacity requirements

（C）To protect data from unauthorized access

（D）To enhance system availability

（A）AES (Advanced Encryption Standard)

（B）RSA

（C）Elliptic Curve Cryptography

（D）MD5

（A）To enable wireless communication between devices

（B）To control network traffic

（C）To connect devices to the internet

（D）To store and transfer data wirelessly

（A）Decreased cost of backup storage

（B）Decreased dependency on Internet connection

（C）Decreased risk of data loss due to local disasters

（D）Increased physical security of backups

（A）HTTP cookies

（B）Browser fingerprinting

（C）Ad blockers

（D）Script blockers

（A）Encrypts only files

（B）Cross-platform support

（C）Free and open-source

（D）Integrated with Windows

（A）OpenPGP key servers provide antivirus protection for email communications.

（B）OpenPGP key servers manage email communications.

（C）They allow users to store and retrieve public keys associated with an email address.

（D）OpenPGP key servers are only used with Mozilla Thunderbird.

（A）Digital identity

（B）Authentication

（C）Accounting

（D）Authorization

（A）By caching frequently accessed resources

（B）By blocking access to specific websites or types of content

（C）By filtering out malicious traffic

（D）By hiding a user,s IP address

（A）A tool used to bypass authentication

（B）A tool used to create weak passwords

（C）A tool used to decrypt passwords

（D）A tool used to securely store and generate passwords

（A）To increase network speed

（B）To detect and remove malware

（C）To encrypt data on a system

（D）To provide remote access to a system

（A）To store data securely

（B）To improve network performance

（C）To manage hardware components

（D）To protect a single device from unauthorized access or attacks

（A）Use a virtual private network (VPN) to encrypt your data

（B）Leave your computer unattended while you step away

（C）Use a weak password for your accounts

（D）Share your login credentials with others using the same Wi-Fi network