Linux Professional Institute LPIC-2 (201-450) Simulator #4

Melanie, a system administrator, has observed a steady 5% increase in the monthly data storage requirements for her company’s primary application over the past year. She needs to ensure that the system will cater to the organization’s needs for the next two years. Which of the following actions should Melanie take based on this trend?

Nathan, a system administrator at XYZ Corp, noticed that one of their critical applications was becoming slower every month. Upon investigation, he found that the system memory was being consumed at an increased rate each month. Which of the following steps should Nathan take to predict and prevent a potential resource exhaustion scenario within the next 6 months?

As the newly appointed IT lead at ABC Tech, Maria is tasked with monitoring and ensuring optimal performance of the company’s server farm. She noticed that certain servers often have spiked CPU usage, leading to application slowdowns. Which command would be best for Maria to use to get a real-time dynamic view of the CPU performance of a particular server?

John, a system administrator at DEF Corp, receives complaints about a web application becoming sluggish during peak hours. To troubleshoot the issue, John wants to check if the server hosting the application is facing high CPU usage during these times. Which of the following commands would allow John to see CPU usage statistics over specified intervals?

After deploying a new software update to the company’s servers, Sarah, a systems administrator, wants to ensure that the update hasn’t caused any unexpected increase in memory usage. Which command should Sarah use to provide an overview of the total memory, used memory, free memory, and cached memory on a server?

Ethan, a system administrator at XYZ Corp, receives reports about a web application performing slowly. To rule out memory bottlenecks, Ethan wants to check the memory usage of processes running on the server. Which of the following commands will display the memory usage of individual processes?

David, a system administrator, notices a decline in the server’s performance, especially during peak hours. He suspects that the issue may be related to excessive disk I/O operations. Which command should David use to monitor disk I/O statistics in real-time?

Sophia, a database administrator, is tasked with ensuring optimal performance for a database hosted on a Linux server. She wants to identify if there are any specific files that are causing a high number of I/O operations. Which command can Sophia use to view the I/O statistics of specific files?

Alice, a network administrator, is troubleshooting a server that seems to be experiencing slow network connectivity. To gain insights into the server’s real-time network bandwidth usage and determine which interfaces are causing traffic congestion, which command should Alice use?

Emily, a network engineer, suspects that the firewall might be a bottleneck in the data center. She wants to evaluate the number of packets per second (pps) the firewall is processing to identify if it is nearing its threshold. Which tool can Emily use to measure the firewall’s throughput in terms of pps?

Juan, an IT specialist, has multiple Linux servers running with third-party kernel modules. He often updates the kernel and wants an automated method to rebuild and reinstall the third-party modules after each kernel update. Which tool would be most suitable for this purpose?

Samantha, a system administrator, needs to check the version of the currently running Linux kernel on a remote server. Which command should she use to retrieve this information directly?

After testing a specific kernel module named audio_enhancer, Rachel decides to unload it from her system. Which command is the most suitable to achieve this?

Sophia, a system administrator, has recently loaded several modules for testing purposes. Before she unloads any modules, she needs to ensure no other modules depend on them. Which tool should she use to determine dependencies of a module named net_driver?

Alex, a system administrator, is trying to determine the available parameters for the ethernet_driver module to adjust some networking configurations. Which command should he utilize to retrieve this information?

Emily, a Linux administrator, wants to ensure that the serial_8250 module is loaded as custom_serial during boot. Which action should she take to achieve this?

Jane, a systems administrator, is troubleshooting a Linux system. She wants to determine the current memory statistics of the system. Which file in the /proc filesystem should she check?

Mike, a system engineer, is working on a Linux server and needs to find the vmlinuz file associated with the current kernel version. Where would he most likely find this file?

Which command can be used to display detailed information about all PCI buses in the system and all devices connected to them?

You are tasked with creating a udev rule to change the ownership of a particular USB flash drive to the user “john” every time it is plugged in. Which of the following rules achieves this?

An administrator needs to gather detailed information about the hardware configuration of a system from the UEFI shell. Which command should they use within the UEFI shell to obtain detailed information about the system’s devices, including PCI and memory map details?

An administrator has just compiled a new kernel for their Linux system. Before booting with this kernel, they want to ensure that essential drivers and binaries are available early in the boot process, especially those required for mounting the root filesystem. What is the purpose of the initrd or initramfs image in this context?

An administrator is troubleshooting a non-booting system that relies on a traditional BIOS. They suspect that the issue might stem from corruption within the first sector of the bootable disk. What is this critical area referred to as?

A system administrator needs to investigate why a particular service failed to start during the last system boot. They wish to view detailed log messages about this service from the systemctl utility. Which command should they use?

An administrator has just set up a new service on a Linux server. They wish to ensure that this service starts automatically every time the system boots up. Using the systemctl command, which of the following should be executed to accomplish this?

An organization is setting up a diskless workstation environment where workstations boot a Linux operating system over the network. Which variant of the SYSLINUX family is most suitable for implementing network booting using PXE?

A systems administrator wants to set up a PXE boot environment. They have a mixture of older systems using BIOS and newer systems using UEFI. While configuring the DHCP server for PXE booting, they realized that they need to serve different boot files based on the firmware type of the client system. Which DHCP option should they use to specify the bootloader file for PXE clients?

An organization is transitioning from BIOS to UEFI-based systems. They currently use PXE booting for automated installations. The systems administrator needs to ensure that the PXE infrastructure can handle UEFI-based systems. Which statement is true about the differences in PXE booting between BIOS and UEFI?

As a systems administrator, you are transitioning from GRUB to another bootloader for your UEFI-based Linux systems. Which bootloader, developed by the systemd project, is specifically designed for UEFI systems and can be used as an alternative to GRUB?

You are tasked with setting up a Linux-based live USB for field technicians. While researching lightweight bootloaders, you come across SYSLINUX. For which of the following scenarios is SYSLINUX specifically tailored?

Alice, a system administrator, is configuring automount units for systemd. She needs to create a unit that automatically mounts an NFS share when it’s accessed. What type of unit file should Alice create?

John, a systems engineer, needs to create an ISO image from a directory named project_files. Which command can John use to produce the ISO image named output.iso without including any file from a sub-directory named backup located inside project_files?

Samantha, a systems administrator, has been given a CD-ROM which was created on a Macintosh computer. She knows the CD uses the HFS (Hierarchical File System) used by older Macs. Which of the following tools is BEST suited for reading the HFS file system on a Linux machine?

Brian wants to create an HFS disk image from a directory named mac_data on his Linux machine. Which command would allow him to accomplish this, resulting in an image named mac_image.hfs?

Martin, a system administrator, wants to create an ISO image from a directory containing files with long filenames and mixed-case letters. He wishes the CD-ROM to be readable on both Linux and Windows systems without filename limitations. Which filesystem extension should Martin use?

You have been given a CD-ROM that is supposed to be bootable, but it’s not booting on your system. Which ISO 9660 extension is primarily responsible for making CD-ROMs bootable?

Oliver, a systems administrator, has just set up a new Linux server. For added security, he wants to encrypt the data partition on the server. Which tool can be used to create an encrypted block device, that once unlocked, acts like a regular block device?

Carla is a security analyst and wants to check the type and version of the encrypted device she received. Which command will allow her to obtain this information from a LUKS encrypted device?

Lisa, a system administrator, is configuring automount on a Linux server to automatically mount NFS shares. She needs to specify the primary configuration file for automount. Which file serves this purpose?

James is troubleshooting an issue with an automounted directory not behaving as expected. He wants to view the default options for the automount daemon. Which file should he inspect to see the default mount points and options?

A Linux administrator needs to make a temporary change to the maximum number of file handles that can be opened system-wide (fs.file-max). They do not want this change to persist across reboots. Which of the following commands should they use?

You are working on a system that has a mix of old IDE hard drives, modern SATA drives, and the latest NVMe drives. You need to quickly identify the device file for the first NVMe drive on the system. Which device file would represent the first NVMe drive?

A colleague informs you that they’ve added a new SATA SSD to a running Linux server. Without rebooting the system, you wish to scan and recognize this new drive. Which device file prefix should you look out for when verifying if the system has recognized the new drive?

After adding a new iSCSI disk to your Linux server, you want to retrieve the unique SCSI identifier for the disk for further configuration. Which command would help you accomplish this task?

You are responsible for setting up an iSCSI connection to a new storage on a Linux server. The target’s IQN has been provided to you. Which tool would you use to initiate the iSCSI session with the target?

A system administrator wants to uniquely identify storage devices in a SAN environment. Which of the following identifiers is globally unique for each device and is often used for zoning configurations?

You are setting up a new storage array in a SAN environment. Each physical disk on the array will be subdivided into several logical units to be presented to various hosts. Which term is used to describe these logical units?

After creating a physical volume on a new disk, John wants to integrate this disk into an existing volume group named “data_vg”. Which tool from the LVM suite should John use for this purpose?

Lisa needs to get a detailed report on the status and configuration of all volume groups on her server. Which tool from the LVM suite should she use?

You want to extend the size of a logical volume named “dataVol” in the volume group “vgData” by 5GB. Which command would you use?

You are troubleshooting network issues on a Linux system and suspect that access restrictions might be causing the problem. Where is the common location for access restriction files that control network services?

You are responsible for configuring and manipulating ethernet network interfaces on a Linux server. In which file would you typically define access restrictions for network services?

You are tasked with troubleshooting routing issues on a Linux server. Which command would you use to display the routing table in a detailed and comprehensive format, including the type of service and source of the route?

You are troubleshooting network issues on a Linux server and need to gather detailed information about its network configuration, including IP addresses, interface status, and routing tables. Which utility would you use for this purpose?

You are tasked with troubleshooting network issues on a Linux server, and you need to gather information about the recognized and used hardware devices, including details about the network interfaces. Which command would you use for this purpose?

You are troubleshooting network issues on a Linux server, and you need to inspect the initialization files related to network configuration in a SysV init system. Which file would you typically check for Ethernet interface configuration?

As a system administrator, you are troubleshooting network issues on a Linux server, and you suspect that NetworkManager might be interfering with your manual network configurations. How can you temporarily disable NetworkManager to test your manual configurations?

You are investigating network issues on a Linux server and want to display information about the routing table, addresses, link states, and other network-related details. Which command would you use for this purpose?

You are troubleshooting network issues on a Linux server, and you want to display detailed information about network interfaces, including IP addresses, link states, and other relevant details. Which command would you use for this purpose?

You are troubleshooting network connectivity issues on a Linux server, and you want to examine and modify the IP routing table. Which command allows you to view and manipulate the IP routing table on a Linux system?

You need to create a compressed tarball of a directory named project_data and store it in a file named backup.tar.gz. Which tar command would you use for this purpose?

You are configuring a backup solution and need to specify a tape drive for backups. Which device represents a SCSI tape drive in the /dev directory?

You are tasked with checking the status of a tape drive before performing a backup. Which mt command would you use to display the status information of a SCSI tape drive?

You are tasked with creating a backup of a directory and its contents using rsync. Which rsync command would you use to perform a local backup, preserving ownership and permissions?

As a system administrator, you want to display a custom message to users when they log in to the system. Which file should you modify to automate this process?

You want to ensure that users see a specific message when they log in, including important system-related information. What command should you use to edit the login message directly from the command line?

As a system administrator, you need to inform active users about an upcoming system maintenance that will result in temporary service interruptions. What command can you use to send a broadcast message to all logged-in users?

You want to display a system-wide message to users before they log in. Which file should you modify to achieve this?

You want to customize the login prompt message for all users on your Linux system. Which command should you use to edit the content directly from the command line?

You want to provide a message to users who access your system remotely through SSH. Which file should you modify to display a banner message specifically for remote logins?