Lpi 117-303 Prüfungsthemen:
| Abschnitt | Ziele |
|---|---|
| Thema 1: Netzwerksicherheit | - Sichere Netzwerkdienste
|
| Thema 2: Kryptografie und Datensicherheit | - PKI und Zertifikate
|
| Thema 3: Zugriffskontrolle und Authentifizierung | - Autorisierungsmechanismen
|
| Thema 4: Systemhärtung und Überwachung | - Sicherheitsüberwachung und Prüfung
|
| Thema 5: Reaktion auf Sicherheitsvorfälle und Fehlerbehebung | - Behandlung von Sicherheitsvorfällen
|
Lpi LPI Level 3 Exam (LPI 303: Security) 117-303 Prüfungsfragen mit Lösungen
1. What does the following iptables rule accomplish:
iptables A INPUT s 208.77.188.166 d 10.142.232.1 p tcp dport 22 j ACCEPT
A) Drops traffic on port 22 only from the hosts 208.77.188.166 and 10.142.232.1.
B) Forwards all requests from the host 10.142.232.1 on port 22 the internal host 208.77.188.166
C) Forwards all requests from the host 208.77.188.166 on port 22 the internal host 10.142.232.1
D) Accepts traffic on port 22 only from the hosts 208.77.188.166 and 10.142.232.1.
2. An SELinux security context is required to ensure that all files in /opt have the default context of
system_u:object_r:usr_t. How should the corresponding configuration entry be formatted?
A) /opt/.* system_u:object_r:usr_t
B) system_u:object_r:usr_t: /opt/.*
C) system_u:object_r:usr_t /opt/*
D) /opt/* system_u:object_r:usr_t
E) system_u:object_r:usr_t /opt/.*
3. The openssl command can be used to test connections with various secure services. What command will open a connection with a remote POP3S (POP3 over SSL) server?
A) openssl s_client connect pop.example.com:pop3s
B) openssl connect host pop.example.com:pop3s
C) openssl connect pop.example.com:pop3s
D) openssl s_client pop.example.com:pop3s
4. What is the difference between an SELinux domain and an SELinux type?
A) A domain is a group of SELinux types.
B) A domain is assigned to processes while a type is assigned to objects such as files and directories.
C) A domain is an alternative keyword for type.
D) A domain defines the range of access that an object has. A type is used to define an access level.
5. Which of the following rule directives will email [email protected] and [email protected] when the Mail Configuration rule is violated?
A) (
rulename = "Mail Configuration",
severity = $(SIG_HI),
emailto = [email protected],[email protected]
)
B) (
rulename = "Mail Configuration",
severity = $(SIG_HI),
emailto = [email protected],
emailto = [email protected]
)
C) (
rulename = "Mail Configuration",
severity = $(SIG_HI),
emailto = [email protected],
emailcc = [email protected]
)
D) (
rulename = "Mail Configuration",
severity = $(SIG_HI),
emailto = [email protected];[email protected]
)
Fragen und Antworten:
| 1. Frage Antwort: C | 2. Frage Antwort: A | 3. Frage Antwort: A | 4. Frage Antwort: B | 5. Frage Antwort: D |
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