Brilliant 702-100 Exam Dumps Get 702-100 Dumps PDF
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To prepare for the LPI 702-100 certification exam, candidates can take advantage of various resources, such as online courses, study guides, and practice exams. They can also gain hands-on experience by working with BSD-based systems and participating in open-source projects. 702-100 exam consists of 60 multiple-choice and fill-in-the-blank questions and must be completed within 90 minutes.
Lpi 702-100 certification exam is designed to test the proficiency of candidates in the installation and software management of BSD systems. Linux Professional Institute BSD Installation and Software Management 702 certification program is offered by the Linux Professional Institute (LPI), an organization that aims to promote and certify Linux and open source skills globally. The LPI 702-100 certification exam is an important milestone for IT professionals seeking to demonstrate their expertise in the field of BSD installation and software management.
The LPI 702-100 certification exam is intended for IT professionals who are experienced in working with BSD systems. Candidates who are familiar with the installation and software management of BSD systems and have a minimum of one year of experience are eligible to take the exam. Linux Professional Institute BSD Installation and Software Management 702 certification is particularly relevant for system administrators, network administrators, and IT professionals who are responsible for managing BSD systems within an organization.
NEW QUESTION # 27
How many /28 IPv4 subnets can be created within a /24 IPv4 prefix?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: C
Explanation:
Explanation
A /24 IPv4 prefix provides 256 IP addresses, which is the number of addresses in one octet (2^8). A /28 subnet has 16 IP addresses (2^4). To calculate how many /28 subnets can fit into a /24 prefix, divide the total number of addresses in the /24 prefix by the number of addresses in a /28 subnet: 256 / 16 = 16. However, since each subnet has network and broadcast addresses that cannot be used for hosts, the actual number of usable subnets is less. In practice, you can create 16 subnets, each with 14 usable IP addresses for hosts.
References:
Subnet Cheat Sheet
IP Subnet Calculator
NEW QUESTION # 28
Which command can be used to display the local filesystems that are currently mounted'?
- A. rpcinfo
- B. mount -a
- C. df -h C du -s
- D. cat /etc/fstab
Answer: C
Explanation:
Explanation
The command df -h displays the disk space usage of all mounted filesystems in a human-readable format. It shows the size, used, available, and percentage of each filesystem, as well as the mount point. This command can be used to check the local filesystems that are currently mounted.
https://unix.stackexchange.com/questions/24182/how-to-get-the-complete-and-exact-list-of-mounted-filesystems
https://www.tecmint.com/find-mounted-file-systems-in-linux/
https://itslinuxfoss.com/check-filesystem-mounted-linux/
NEW QUESTION # 29
Which command shows all processes owned by the user bob?
- A. who -1 bob
- B. top bob
- C. last -p bob
- D. ps -o -a bob
- E. pgrep -u bob
Answer: E
Explanation:
Explanation
The pgrep command is used to find processes by various criteria, such as user name, group name, process ID, command name, etc. The -u option specifies the user name or user ID to match. Therefore, the command pgrep
-u bob will show all processes owned by the user bob. The output will be a list of process IDs, one per line. To show more information about the processes, such as command name, arguments, state, etc., the -l, -a, and -f options can be used. For example, the command pgrep -l -u bob will show the process ID and the command name for each process owned by bob. References:
pgrep - FreeBSD, the manual page for the pgrep command on FreeBSD.
How to use pgrep and pkill commands in Linux - Linuxize, a tutorial on how to use the pgrep and pkill commands in Linux.
NEW QUESTION # 30
While in the csh or tcsh shell, which command changes the timezone environment variable to GMT?
- A. TZ=GMT; export TZ
- B. export TZ=GMT
- C. env TZ=GMT
- D. setenv TZ GMT
- E. environ TZ GMT
Answer: D
Explanation:
Explanation
The setenv command is used to set an environment variable in the csh or tcsh shell. The syntax is setenv VAR VALUE, where VAR is the name of the variable and VALUE is the value to assign to it. The TZ variable is used to specify the timezone for the shell and its subprocesses. To set the timezone to GMT (Greenwich Mean Time), the command is setenv TZ GMT. This will affect the output of commands like date and ls that display time information. The other options are either invalid syntax or belong to other shells, such as bash or sh.
References:
setenv - Linux setenv command help and examples1
TZ - FreeBSD Environment Variables2
NEW QUESTION # 31
Which command locks the user account bob on a FreeBSD system?
- A. vipw lock bob
- B. usermod lock bob
- C. lockuser bob
- D. audit_user -1 bob
- E. pw lock bob
Answer: E
Explanation:
Explanation
The pw utility is a command-line utility for the FreeBSD system user and group files, allowing the superuser an easy way of adding, modifying and removing users and groups. To lock a user account on a FreeBSD system, the pw lock command can be used with the username as an argument. This will prevent the user from logging in orchanging their password. To unlock a user account, the pw unlock command can be used with the username as an argument. This will restore the user's access to the system. References:
FreeBSD locking an account - nixCraft
FreeBSD: How To Add, Delete Or Modify Users
How to: FreeBSD User Administration - Atlantic.Net
NEW QUESTION # 32
Given the following listing
-rw-r-r- 1root whee115254 Nov 13 08:55 bobsfile
How can the superuser grant the user bob write permission to this file?
- A. chown bob:bob bobsfile
- B. chgrp bob bobsfile
- C. chperm 664 bobsfile
- D. chmod +x bobsfile
- E. vipw -u bob bobsfile
Answer: A
Explanation:
Explanation
The command chown changes the ownership of a file or directory. The syntax is chown user:group file, where user is the new owner and group is the new group of the file. In this case, the superuser can grant the user bob write permission to the file by changing both the owner and the group of the file to bob. This way, bob will have the same permissions as the original owner, which is read and write. Alternatively, the superuser can also use the command chmod to change the permissions of the file without changing the ownership. For example, chmod g+w bobsfile will add write permission to the group, and chmod o+w bobsfile will add write permission to others. However, these commands will also affect other users who belong to the same group or are not the owner or the group of the file. References:
FreeBSD Handbook: File and Directory Ownership
FreeBSD Handbook: File and Directory Permissions
Linux Professional Institute BSD Specialist: 702.1 Filesystem and Devices
NEW QUESTION # 33
Which of the following commands have to be used in order to update FreeBSD? (Choose TWO correct answers.)
- A. freebsd-update resolvedeps
- B. freebsd-update repoupdate
- C. freebsd-update fetch
- D. freebsd-update install
- E. freebsd-update all
Answer: C,D
Explanation:
Explanation
To update FreeBSD, the freebsd-update fetch command is used to download available binary updates, and the freebsd-update install command is used to apply the downloaded updates to the system. These commands are part of the freebsd-update utility, which supports binary security and errata updates to the FreeBSD base system without the need for manual compilation and installation2.
References:
FreeBSD Handbook - freebsd-update
NEW QUESTION # 34
Which of the following programs can be used to enumerate all responsive hosts on a subnet?
- A. nmap
- B. rtso1
- C. route
- D. traceroute
- E. netstat
Answer: A
Explanation:
Explanation
Nmap is a program that can be used to enumerate all responsive hosts on a subnet. Nmap stands for Network Mapper, and it is a tool that can perform network discovery, port scanning, service detection, vulnerability assessment, and more. Nmap can send different types of packets to probe the hosts on a subnet and determine which ones are alive and what services they are running. Nmap can also perform OS fingerprinting, which can identify the operating system of the target hosts. Nmap has many options and features that can customize the scan according to the user's needs and preferences. The other programs are not suitable for enumerating all responsive hosts on a subnet, because:
A: traceroute: This program is used to trace the route of packets from the source host to the destination host. It can show the intermediate hops and the latency of each hop. However, it cannot show all the hosts on a subnet, only the ones that are on the path to the destination.
B: netstat: This program is used to display the status of network connections, routing tables, interface statistics, and more. It can show the local and remote addresses and ports of the active connections, but it cannot show all the hosts on a subnet, only the ones that are connected to the local host.
D: rtso1: This is not a valid program name, but it may be a typo for rtso, which is a program that can perform TCP SYN scanning. However, this program is not as versatile and powerful as nmap, and it can only scan TCP ports, not UDP or other protocols.
E: route: This program is used to manipulate the routing table, which is used to determine the next hop for a packet based on its destination address. It can show the destination, gateway, interface, and flags of each route, but it cannot show all the hosts on a subnet, only the ones that are reachable via a specific gateway. References: 6: https://nmap.org/book/man.html 7:
https://www.freebsd.org/cgi/man.cgi?query=traceroute&sektion=8 :
https://www.freebsd.org/cgi/man.cgi?query=netstat&sektion=1 :
https://www.freebsd.org/cgi/man.cgi?query=rtso&sektion=1 :
https://www.freebsd.org/cgi/man.cgi?query=route&sektion=8
NEW QUESTION # 35
Which of the following commands creates a ZFS snapshot of the dataset space/data named snap1?
- A. zfs reflink space/data snapl@space/data
- B. zfs snapshot space/data@snap1
- C. zfs copy -s space snap1
- D. zfs create space/data: snap1
- E. zfs shadow space/data space/data/snap1
Answer: B
Explanation:
Explanation
The zfs snapshot command creates a snapshot of a ZFS dataset, which is a point-in-time copy of the data. The snapshot name is specified as follows: filesystem@snapname or volume@snapname. The snapshot name must satisfy the naming requirements in ZFS Component Naming Requirements1. In this case, the command zfs snapshot space/data@snap1 creates a snapshot of the dataset space/data named snap1. The other options are either invalid or do not create a snapshot. References: 1:https://docs.oracle.com/cd/E19253-01/819-5461/gbcya/index.html
NEW QUESTION # 36
What command creates a new directory? (Specify ONLY the command without any path or parameters.)
Answer:
Explanation:
mkdir
Explanation
The command mkdir (short for make directory) creates a new directory with the specified name. The command takes one or more arguments, which are the names of the directories to be created. If the name contains spaces or other special characters, it should be enclosed in quotes. For example, mkdir "My Documents" creates a directory named My Documents. The command also accepts some options, such as -p, which creates the parent directories if they do not exist, or -m, which sets the permissions of the new directory.
For example, mkdir -p -m 755 /usr/local/bin creates the directory /usr/local/bin and its parent directories /usr and /usr/local, and sets the permissions of /usr/local/bin to 755 (read, write and execute for the owner, read and execute for the group and others). References:
[mkdir(1) - FreeBSD Manual Pages]
[How to Create a Directory in Linux - Linuxize]
NEW QUESTION # 37
Which of the following commands installs binary packages on OpenBSD?
- A. pkgbin
- B. pkg_add
- C. portinst
- D. pkg install
- E. port add
Answer: B
NEW QUESTION # 38
Which of the following commands can be used to connect to a remote TCP service?
- A. netcat
- B. connect
- C. listen
- D. service
- E. portstat
Answer: A
Explanation:
Explanation
The command netcat is a versatile networking utility that can be used to read from and write to network connections using TCP or UDP protocols. It is often used for debugging and investigating the network and can be used to connect to a remote TCP service.
References:
BSD Specialist Exam 702 Objectives - Linux Professional Institute
FreeBSD Handbook - Networking
NEW QUESTION # 39
A file called mybackup is found while investigating a USB pen drive. Which utility can be used to determine the kind of data that is contained in that file?
- A. tar -t mybackup
- B. whatis mybackup
- C. touch mybackup
- D. Is -1 mybackup
- E. file mybackup
Answer: E
Explanation:
Explanation
The file command is used to determine the type of data contained in a computer file. It performs a series of tests on the file and prints a description of the file type based on the first successful test. The file command can take one or more file names as its arguments. For example, file mybackup will display the file type of mybackup. The other options are not valid commands for finding the file type. References:
file command in Linux with examples
file (command) - Wikipedia
Linux File Command
NEW QUESTION # 40
Which command finds all directories within the current user's home directory?
- A. find / -d | home
- B. find. -dir
- C. find -uid myname
- D. find - -type d
- E. find -d home
Answer: D
Explanation:
Explanation
The find command is used to search for files and directories that match certain criteria. The - -type option specifies the type of file to look for, and the d argument means directories. The . argument means the current directory. Therefore, the command find - -type d searches for all directories within the current directory. The other options are either invalid or do not match the question. References: 1:
https://www.comptia.org/training/books/a-core-1-220-1101-study-guide, page 301 2:
https://www.howtogeek.com/771399/how-to-use-the-find-command-in-linux/, section "The Linux find Command"
NEW QUESTION # 41
How often does? match the preceding expression in a regular expression?
- A. Two or more times
- B. Any number of times
- C. One or more times
- D. Exactly one time
- E. Zero or one times
Answer: E
Explanation:
Explanation
The question mark (?) is a special character in regular expressions that modifies the preceding expression to match zero or one times. For example, the regular expression colou?r matches both color and colour, but not colouur or colr. The question mark is also used to make an expression non-greedy, meaning that it will match the shortest possible string instead of the longest. For example, the regular expression <.?> matches the first pair of angle brackets in a string, while <.> matches the entire string enclosed by the outermost pair of angle brackets. References:
Regular expression - Wikipedia, section "Basic concepts"
How to write Regular Expressions? - GeeksforGeeks, section "Special Characters"
NEW QUESTION # 42
What is the purpose of the nice command'?
- A. Run a command with limited access to a specified directory
- B. Run a command with the permissions of another user
- C. Run a command with additional secondary groups.
- D. Run a command with a non-standard priority.
- E. Run a command with additional filesystem permissions
Answer: D
Explanation:
Explanation
The nice command is used to run a command with a modified scheduling priority, which affects how much CPU time the command receives. The priority can be specified by the -n option, which takes an integer value between -20 and 19, where lower values indicate higher priority. By default, the nice value is incremented by
10, which means the command runs with lower priority than normal. Only the superuser can specify a negative increment, which means the command runs with higher priority than normal. For example, the command nice
-n 5 date runs the date command with a priority of 5, while the command nice -n -10 ls runs the ls command with a priority of -10, but only if the user is the superuser. The nice command is useful for running CPU-intensive commands that do not need to finish quickly, or for running commands that need more CPU time than normal. References:
nice - FreeBSD, the manual page for the nice command on FreeBSD.
HowTo: Use ps, kill, nice, and killall To Manage processes in FreeBSD and OS X Unix Operating System - nixCraft, a tutorial on how to use the nice command and other process management commands on FreeBSD and OS X.
NEW QUESTION # 43
On BSD systems that provide an interactive adduser script, which configuration file stores the default adduser settings?
- A. pw.conf
- B. login, conf
- C. usermgmt. conf
- D. user.conf
- E. adduser.conf
Answer: E
Explanation:
Explanation
The adduser.conf file is used to store the default settings for the interactive adduser script on BSD systems.
The adduser script is a shell script that uses the pw command to add new users to the system. It creates passwd/group entries, a home directory, copies dotfiles and sends the new user a welcome message. The adduser.conf file allows the administrator to pre-set certain configuration options, such as the default shell, home partition, login group, encryption method, etc. The other options are either invalid files or belong to other purposes. For example, login.conf is used to define login classes, pw.conf is used to configure the pw command, user.conf is used to set user-specific kernel variables, and usermgmt.conf is used to configure user management utilities. References:
adduser - FreeBSD adduser(8) Manual Page1
adduser.conf - FreeBSD adduser.conf(5) Manual Page2
[pw] - FreeBSD pw(8) Manual Page
NEW QUESTION # 44
What subnet mask is used on network 192 168 32 0 in the following output?
Fxp0: flags=8843 <UP, BROADCAST, RUNNING, SIMPLEX, MULTICAST> mtu 1500 options=8 inet 192.168.50.162 netmask OxffffeOOO broadcast 192.168.63.255 ether 00:09:6B: 13:42:9f media: Ethernet autoselect (lOObaseTX <full-duplex>) status: active
- A. 255 255.224.0
- B. /28
- C. /25
- D. 0
- E. 1
Answer: A
Explanation:
Explanation
The subnet mask 255.255.224.0 corresponds to the hexadecimal netmask 0xffffe000 shown in the output. This subnet mask indicates a subnet with 19 bits for the network portion and 13 bits for the host portion, allowing for a large number of hosts within the subnet.
References:
BSD Specialist Exam 702 Objectives - Linux Professional Institute
FreeBSD Handbook - Networking
NEW QUESTION # 45
Which of the following tar options handle compression'? (Choose TWO correct answers)
- A. -v
- B. -x
- C. -z
- D. -J
- E. -c
Answer: C,D
Explanation:
Explanation
The tar command is used to create or extract compressed archive files on BSD systems. It can handle various compression formats, such as gzip, bzip2, xz, and lzma. The tar command takes different options to specify the compression type, such as -z for gzip, -j for bzip2, -J for xz, and -Z for lzma. The other options are not related to compression, but to other functions of the tar command, such as -x for extracting, -c for creating, and -v for verbose output. References:
[tar(1) - OpenBSD manual pages]
[FreeBSD Handbook - Chapter 3. Unix Basics]
[FreeBSD Handbook - Chapter 18. Storage]
NEW QUESTION # 46
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