LFCA 무료 덤프문제 온라인 액세스

A host seems to be running slowly. What command would help diagnose which processes are using system resources?

• A.free
• B.uptime
• C.lop
• D.df

Encryption that uses both a private key and public key is known as what?

• A.DPE (dual-phased hybrid encryption]
• B.Key Pair Encryption (symmetric cryptography)
• C.HMAC Cryptography (hash based message authentication]
• D.Public Key Cryptography (asymmetric cryptography)

Which of the following commands can be used to lock a user's account so that they cannot log into a Linux server without removing any files, folders, or data?

• A.lock
• B.chmod
• C.usermod
• D.userdel

In which file are system and user account passwords stored?

• A./etc/secure
• B./etc/login.defs
• C./etc/passwd
• D./etc/shadow

An IT associate is researching technology options to use at a company. The company's application requires a Linux server, features a small memory footprint, and runs mostly web services and a few back-end applications. Which of the following would allow for the most efficient use of system resources and fast startup speeds?

• A.Virtualization
• B.Containers
• C.Hybrid Cloud
• D.Physical hardware