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Guide for 303-300: LPIC-3 Security Exam 303

Quiz 303-300: LPIC-3 Security Exam 303

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Quiz

1/10
331.1 X.509 Certificates and Public Key Infrastructures
Which OpenSSL command is used to generate a new RSA private key with 4096 bits?
Select the answer
1 correct answer
A.
openssl rsa -newkey rsa:4096 -out private.key
B.
openssl genrsa -out private.key 4096
C.
openssl req -newkey rsa:4096 -keyout private.key
D.
openssl genpkey -algorithm RSA -pkeyopt rsa_keygen_bits:4096

Quiz

2/10
331.2 X.509 Certificates for Encryption, Signing and Authentication
Which Apache HTTPD directive enables HTTPS for a virtual host when using mod_ssl?
Select the answer
1 correct answer
A.
SSLEnabled On
B.
SSLEngine on
C.
SSLActive Yes
D.
EnableSSL On

Quiz

3/10
331.3 Encrypted File Systems
Which command creates a LUKS encrypted container on a block device /dev/sdb1?
Select the answer
1 correct answer
A.
cryptsetup create /dev/sdb1
B.
cryptsetup luksFormat /dev/sdb1
C.
cryptsetup luks-init /dev/sdb1
D.
cryptsetup encrypt --luks /dev/sdb1

Quiz

4/10
331.4 DNS and Cryptography
What is the purpose of DNSSEC and which DNS records are specifically added by DNSSEC?
Select the answer
1 correct answer
A.
DNSSEC encrypts DNS queries and responses; it adds TLS and CERT records
B.
DNSSEC provides authentication and data integrity for DNS responses; it adds DNSKEY, RRSIG, DS, NSEC/NSEC3, and NSEC3PARAM records
C.
DNSSEC provides confidentiality by encrypting zone data; it adds KEY and SIG records
D.
DNSSEC authenticates DNS resolvers using certificates; it adds DS and CAA records

Quiz

5/10
332.1 Host Hardening
Which sysctl parameter enables Address Space Layout Randomization (ASLR) on Linux?
Select the answer
1 correct answer
A.
kernel.aslr = 1
B.
kernel.randomize_va_space = 2
C.
net.ipv4.aslr = 1
D.
security.randomize_memory = 2

Quiz

6/10
332.2 Host Intrusion Detection
Which command adds an audit rule to log all executions of the /usr/bin/passwd command?
Select the answer
1 correct answer
A.
auditctl -w /usr/bin/passwd -p x -k passwd_exec
B.
auditctl -a always,exit -F path=/usr/bin/passwd -F perm=x -k passwd_exec
C.
auditctl -watch /usr/bin/passwd --execute
D.
auditd -rule exec /usr/bin/passwd

Quiz

7/10
332.3 Resource Control
Which command displays the current resource limits for the calling process?
Select the answer
1 correct answer
A.
ulimit -a
B.
getlimits --all
C.
limits --show
D.
sysctl -a | grep limit

Quiz

8/10
333.1 Discretionary Access Control
Which command grants read and write ACL permissions on /data/file.txt to user alice?
Select the answer
1 correct answer
A.
setfacl -m u:alice:rw /data/file.txt
B.
setacl --user alice --perm rw /data/file.txt
C.
chmod +acl u:alice:rw /data/file.txt
D.
facl -a user:alice:rw /data/file.txt

Quiz

9/10
333.2 Mandatory Access Control
What is the fundamental difference between Discretionary Access Control (DAC) and Mandatory Access Control (MAC)?
Select the answer
1 correct answer
A.
DAC uses file permissions while MAC uses network firewalls to control access
B.
In DAC, resource owners control access to their resources; in MAC, access decisions are made by a central policy that users cannot override, even resource owners
C.
DAC provides per-file control while MAC provides per-directory control
D.
DAC is enforced by the kernel while MAC is enforced by userspace applications

Quiz

10/10
334.1 Network Hardening
Which protocol does FreeRADIUS implement and for what purpose is it used?
Select the answer
1 correct answer
A.
FreeRADIUS implements LDAP for centralized directory authentication in enterprises
B.
FreeRADIUS implements the RADIUS protocol for centralized Authentication, Authorization, and Accounting (AAA) for network access
C.
FreeRADIUS implements TACACS+ for device administration authentication on Cisco networks
D.
FreeRADIUS implements Kerberos for single sign-on in Active Directory environments
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  • Quiz name:303-300: LPIC-3 Security Exam 303
  • Total number of questions:200
  • Number of questions for the test:50
  • Pass score:80%

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