CSA Server Configuration & Management 3

Question 1

What is the primary function of a bastion host in a server environment?

Accepted Answer

Act as a secure, hardened entry point for accessing internal network resources

Answer

A bastion host is a specially hardened server that provides a secure, monitored entry point (often via SSH/RDP) for administrators accessing an internal network.

Question 2

Which log file in Linux systems records authentication attempts and sudo usage?

Accepted Answer

/var/log/auth.log

Answer

The /var/log/auth.log file (on Debian/Ubuntu) records all authentication events including SSH logins, sudo commands, and failed login attempts.

Question 3

What does 'server hardening' involve?

Accepted Answer

Reducing the server's attack surface by disabling unnecessary services and applying security policies

Answer

Server hardening involves disabling unused services, applying patches, enforcing strong passwords, and configuring security policies to minimize vulnerabilities.

Question 4

Which command is used to view real-time CPU and memory usage on a Linux server?

Accepted Answer

top

Answer

The `top` command displays real-time information about running processes, CPU usage, and memory consumption on a Linux system.

Question 5

What is the purpose of a server's management NIC (Network Interface Card) in an out-of-band management setup?

Accepted Answer

Provides a dedicated network path for server management independent of the production network

Answer

An out-of-band management NIC (often connected to an IPMI/iDRAC/iLO interface) allows administrators to manage a server even when the OS is down.

(CSA) Certified Sales Associate Practice Test

(CSA) Certified Sales Associate Practice Test

CSA Server Configuration & Management 3