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| Section | Objectives |
|---|---|
| Topic 1: Access Control | - Mandatory Access Control (MAC) - Discretionary Access Control (DAC) - SELinux and AppArmor |
| Topic 2: Application Security | - Container and service security - Secure software configuration |
| Topic 3: Cryptography | - Public key infrastructure (PKI) - OpenSSL usage and configuration - Data encryption and signing |
| Topic 4: Security Administration | - System hardening - Authentication mechanisms |
| Topic 5: Vulnerability Assessment and Monitoring | - Intrusion detection systems (IDS) - Log analysis and auditing |
| Topic 6: Network Security | - Secure network services - VPN technologies - Firewalls (iptables, nftables) |
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NEW QUESTION # 90
Which command displays currently listening TCP and UDP sockets along with the process ID and name of the associated program?
Answer: C
Explanation:
The command "ss -tulnp" displays currently listening TCP (-t) and UDP (-u) sockets (-l), showing numeric addresses and ports (-n) along with the process ID and name of the program holding each socket open (-p), which requires appropriate privileges to view processes owned by other users. This is useful for auditing which services are actively listening on a system and identifying unexpected or unauthorized listening services. ping, traceroute, and dig are used for connectivity testing, path tracing, and DNS lookups respectively, not for enumerating local listening sockets.
NEW QUESTION # 91
Which Fail2ban configuration file typically contains local, site-specific overrides that should not be modified in the default jail.conf file?
Answer: D
Explanation:
Fail2ban's documentation recommends placing local, site-specific configuration overrides in jail.local (or files within jail.d/) rather than directly editing jail.conf, since jail.conf may be overwritten during package upgrades. Settings in jail.local take precedence over those in jail.conf.
The filter.d/ and action.d/ directories contain definitions for how to detect failures in specific log formats and how to execute a ban action, respectively, and are typically only edited when creating custom filters or actions.
NEW QUESTION # 92
What option of mount.cifs specifies the user that appears as the local owner of the files of a mounted CIFS share when the server does not provide ownership information?
(Specify ONLY the option name without any values or parameters.)
Solution: uid=arg
Determine whether the given solution is correct?
Answer: B
NEW QUESTION # 93
Which of the following methods can be used to deactivate a rule in Snort? (Choose TWO correct answers.)
Answer: B,D
NEW QUESTION # 94
Which command displays the capabilities currently assigned to a specific binary file?
Answer: D
Explanation:
The getcap command displays any file capabilities that have been assigned to a specific binary using setcap. This allows an administrator to audit which executables on a system have been granted elevated capabilities beyond the standard permission model. setcap, by contrast, is used to assign capabilities to a file, while capsh --print displays the capabilities of the current running shell process rather than those statically attached to a specific binary file.
NEW QUESTION # 95
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