LFCA 試験問題を無料オンラインアクセス

Which tool is used for network scanning and discovering devices on a network in Linux?

• A.traceroute
• B.tcpdump
• C.netstat
• D.nmap

In the context of DevOps, which statement best defines observability in a Linux-based system?

• A.Observability is the process of correlating system events with deployment activities to understand how changes impact overall performance and stability.
• B.Observability is the capability to infer a system's internal state from external outputs by collecting and analyzing logs, metrics, and traces.
• C.Observability is the practice of proactively detecting and addressing potential bottlenecks by running automated health checks and performance tests.
• D.Observability is the ability to continuously track key performance indicators such as CPU, memory, and network usage to ensure the system remains healthy.

Which of the following Git commands creates a new, empty Git repository?

• A.git pull
• B.git fork
• C.git in it
• D.git clone

In a cloud system design, what is the main difference between high availability and fault tolerance?

• A.High availability and fault tolerance both guarantee compliance with disaster recovery requirements.
• B.High availability relies on rapid recovery mechanisms, while fault tolerance ensures continuous operation without disruption.
• C.High availability requires hardware duplication, while fault tolerance only uses load balancing.
• D.High availability and fault tolerance are interchangeable terms that both mean zero downtime.

Which tool is used to create bootable live USB drives for Linux distributions and other operating systems without needing to burn a CD?

• A.unetbootin
• B.mkisofs
• C.gparted
• D.ISO2USB