Linux Professional Institute LPIC-2 (201-450) Simulator #5

Carlos, a system administrator, is tasked with optimizing the company’s router for better performance. To do so, he first needs to measure the router’s current throughput and identify any bottlenecks. Which of the following tools can help Carlos directly gauge the throughput of the router?

At a mid-sized company, Jane, a network administrator, has been asked to monitor and map the bandwidth usage of different clients in the network. She wants a solution that can give her a visual representation of which IP addresses are consuming the most bandwidth. Which tool would be most suitable for this task?

Liam, a system administrator, noticed that one of the company’s servers is responding slower than usual. He runs the top command and observes that the %wa metric is consistently above 70%. What is the most likely cause of this symptom?

Emily, an IT manager, receives complaints about a web server taking too long to load web pages. She logs into the server and notices the swappiness value is set very high and the swap usage is extensive despite ample free physical memory. What problem is the server likely experiencing?

Liam, a system administrator, noticed that one of the company’s servers is responding slower than usual. He runs the top command and observes that the %wa metric is consistently above 70%. What is the most likely cause of this symptom?

Sarah, a network administrator, wants to identify bottlenecks in her company’s internal network. She decides to analyze the throughput of a main server during peak hours. Which of the following tools is most suitable for measuring the network throughput to and from this server?

Carlos, a system engineer, observes that a critical application server is experiencing intermittent delays. While the CPU and memory usage remain within expected limits, he suspects a network bottleneck might be the cause. Which of the following metrics would be most indicative of a network bottleneck when monitoring system performance?

Alex, a system administrator, has been asked to monitor the disk I/O activity on a server every 5 seconds for a total of 6 reports. Which of the following commands would Alex use to achieve this using iostat?

Lena, a database administrator, notices that a particular database server seems to be experiencing slow disk reads and writes. She decides to use iostat to check the average wait time for read/write operations. Which column in the iostat output should she focus on?

Sarah, a system administrator, has been noticing some unusual disk activity on one of her servers. To get a real-time view of the disk activity by process, which command can she use?

You are trying to resolve an issue with a module dependency problem on a Linux server. Which of the following files contains a list of all module dependencies?

You’ve encountered an issue where a specific module, badmod, is causing system instability when loaded. You decide to prevent the module from being loaded automatically. Which file would you create or modify in /etc/ to blacklist the module?

A Linux system has been experiencing unexpected shutdowns. The system administrator suspects that the system might be facing an issue with out-of-memory (OOM) situations. Which file under /proc/sys/kernel/ can be checked to determine the system’s behavior during OOM conditions?

A junior administrator attempts to load a module and encounters an error suggesting that another dependent module isn’t loaded. He asks for your advice. Which command would you recommend to ensure that all module dependencies are up-to-date?

After successfully unloading a module using /sbin/rmmod, an administrator wants to ensure that no other dependent modules were affected or are left hanging. Which command can be utilized to view the current status and dependencies of loaded modules?

A colleague has asked you to verify if a kernel module named networkmod supports specific parameters. Which command would you use to view the parameters supported by this module?

While troubleshooting a system boot issue, an administrator decides to check the kernel ring buffer for any error messages. Which command would provide the most recent kernel messages?

An administrator wants to gather a verbose list of all PCI devices on the system, along with their detailed configuration. Which command should they use to achieve this?

While troubleshooting a hardware conflict, Lisa wants to find out if two devices are sharing the same IRQ on her Linux system. Which command should Lisa use to quickly find out the IRQ assignments of all devices?

Michael, a new Linux system administrator, is asked to determine how many other modules depend on a particular module named “my_module”. Which command would help him determine this?

As a systems administrator, you want to customize the boot menu of a live CD. You decide to use ISOLINUX, a variant of SYSLINUX. What is the primary function of ISOLINUX?

You have been given a task to set up a boot loader for a number of legacy systems that use the ext2 filesystem. You’re considering using EXTLINUX, a variant of the SYSLINUX suite. Which of the following accurately describes the specific purpose of EXTLINUX?

You’re troubleshooting a server that’s failing to boot correctly. While investigating, you discover that it uses the EXTLINUX bootloader. Which file should you check to ensure the bootloader’s configuration is correct?

You are creating a custom Linux distribution and want to make it bootable from a CD-ROM. During the ISO creation process, you are considering using “isolinux.bin”. What is the primary role of “isolinux.bin” in this context?

You are assisting a colleague in customizing a Linux live CD. She mentions that she wants to modify the boot menu options and the default boot timeout for the live CD. Which file should you direct her to edit in order to achieve these modifications?

You are working on a custom Linux distribution and you want to create a hybrid ISO image that can be booted either from a DVD or a USB drive. You are using the xorriso tool. Which file will you need to specify as the “MBR template” for the hybrid mode?

While working on an UEFI-based system, your team leader mentions the use of “efiboot.img” in the context of bootable ISOs for Linux distributions. What is the primary purpose of this file?

While setting up a PXE server, you noticed that some clients are unable to fetch the “pxelinux.0” file during the boot process. Which of the following could be the primary reason for this issue?

You have been tasked with setting up a dual-boot system with both Windows and Linux on a modern laptop. During the process, you need to ensure that GRUB can boot both operating systems on a UEFI-enabled system. Which file would be essential for booting Linux using GRUB in a UEFI environment?

While troubleshooting a network issue on a server, James realizes that he needs to insert the e1000e driver for Intel Ethernet cards. He is trying to recall the command to load the module. Which of the following commands should James execute to load the e1000e module into the kernel?

You are tasked with renaming an existing logical volume “oldName” in the “vgArchive” volume group to “newName”. Which command will accomplish this task?

Your manager has tasked you with creating a snapshot of the logical volume “prodData” in the “vgCompany” volume group. The snapshot should be named “prodData_snap” and have a size of 10GB. Which command should you use?

After a software update, you notice that there are issues in the “appVolume” from the “vgApps” volume group. You remember that you had taken a snapshot named “appVolume_beforeUpdate”. To revert the changes and restore the data from the snapshot, which command will you execute?

After performing maintenance on a server, you need to ensure that the volume group “vgWeb” is active. Which command will you use to activate this volume group?

You are managing a cluster environment and you want to activate the volume group “vgCluster” exclusively on the current node. Which command should you employ to achieve this?

You recently added a new disk to your server and want to prepare it for use with LVM. The new disk is labeled /dev/sdb. Which command will you use to create a physical volume on this new disk?

Your team lead asks you to reduce the size of a logical volume named “logs” inside the “dataVG” volume group by 5GB, ensuring the file system within adjusts accordingly. Which command should you execute to achieve this?

You’ve been asked to provide detailed metadata information about a volume group named “vgArchive”. Which command should you execute to retrieve this data?

You have a logical volume “lvDocs” in the volume group “vgWork” that you want to be automatically mounted at “/documents” upon system boot. In which file would you add the necessary line to ensure this?

You notice that LVM is scanning some unrelated devices during the initialization process, which is increasing the boot time. You want to prevent LVM from scanning certain devices. Which section of the lvm.conf file will you modify to achieve this?

Jackie is implementing automount on her company’s Linux servers. She has successfully configured the /etc/auto.master file and now wants to specify additional configurations for a directory named /misc. Which file should Jackie use for this purpose?

Maria is setting up autofs for a specific project directory called /projects on a Linux server. She wants to ensure that the specific mounting details for this directory are isolated from the main configuration. What should be the name of the configuration file she creates?

Lucas is preparing an ISO image from a directory named data_dir for a project presentation. He wants to create the ISO with Rock Ridge extensions to retain UNIX file attributes. Which command should Lucas use?

Emily is aiming to create a bootable ISO image from a directory called boot_files. She knows that the boot image file is named boot.img inside the directory. Which mkisofs command should she execute to achieve this?

Alex is tasked with encrypting an unpartitioned disk /dev/sdb using LUKS encryption. Which command should he use to initialize the LUKS partition on the specified disk?

Maria has an encrypted LUKS partition on /dev/sdc1 and wants to securely erase all keyslots, making the data permanently inaccessible. Which cryptsetup command should she execute to achieve this?

Lisa, a system administrator, needs to set up an autofs map for users’ home directories located on a remote NFS server nfs-server.company.com. The user home directories are located in /exports/users/. Which line should she include in the /etc/auto.home file to achieve this?

Which of the following file systems is primarily used on Apple Macintosh computers and is commonly found on older CDs made for this platform?

When examining an older CD intended for use on an Apple Macintosh computer, which file system would you most likely encounter?

You are examining an old CD-ROM intended for both Windows and Linux systems. It uses a filesystem extension to store long filenames that Windows 95 and later versions can recognize. Which CD-ROM filesystem extension is this referring to?

You are tasked with diagnosing network connectivity issues on a Linux server. You need to identify all open network connections and their associated processes. Which netstat option would you use for this purpose?

You are troubleshooting network configuration on a Linux system, and you need to inspect the network configuration files. In which directory would you typically find network configuration files on a system that uses the systemd network management?

You are a system administrator troubleshooting network connectivity issues on a Linux server. You want to check the reachability of a remote server using IPv4. Which command would you use for this purpose?

You are working on a system that predominantly uses IPv6 for networking. You need to investigate the route that packets take to reach a remote server using IPv6. Which command would you use for this purpose?

You are experiencing intermittent connectivity issues on your Linux server and want to perform a continuous traceroute, monitoring the route taken by packets over time. Which command would be most suitable for this task?

You are troubleshooting a network issue on a Linux server, and you suspect that there might be a problem with the server’s hostname configuration. Which command allows you to view the current hostname of the system?

You are facing network connectivity issues on your Linux server, and you want to examine system log files to troubleshoot the problem. Which log file contains general system messages and can provide information about network-related events?

You are experiencing network-related issues on your Linux server, and you want to check for kernel-level messages related to network devices. Which command provides information about the kernel ring buffer, including details about network devices?

You are working on a Linux server, and users are reporting intermittent issues accessing websites. To investigate, you check the DNS configuration. Which command can be used to view the content of the /etc/resolv.conf file and verify the configured DNS servers?

You are managing a Linux server that provides various network services. You want to control access to these services based on the client’s IP address. In which file would you specify access rules for network services in a typical Linux system?

You want to customize the banner message for users accessing your system remotely. Which command should you use to edit the content directly from the command line?

You want to display a message to users when they log in to the system using SSH. Which file should you edit to customize the message that users see after a successful login?

You want to update the Message of the Day (motd) with important system information. Which command should you use to edit the content directly from the command line?

You need to broadcast an urgent message to all users currently logged into the system. Which command should you use to send a message to all users’ terminals?

You want to inform all users about a scheduled system maintenance activity. How can you use the wall command to send a message from a file named maintenance_notice.txt to all users?

You need to schedule a system shutdown for maintenance at a specific time. Which command should you use to notify all users about the impending shutdown and prevent new logins?

You want to gracefully shut down the system immediately due to an emergency. Which shutdown command should you use to broadcast a message to all users and initiate an immediate system shutdown?

You need to notify users about an upcoming system maintenance using systemctl. Which command should you use to display a custom message to all logged-in users?

You want to notify users about an imminent system reboot scheduled for 15 minutes from now. Which systemctl command should you use to send a warning message to all users?

You’ve downloaded a source code archive for a new application and need to unpack it. Which command should you use?