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Allgemein
IT Grundlagen
B
Backup – Grundlagen, 3-2-1-Regel, Backup-Arten, RPO/RTO
C
Cloud – Grundlagen (IaaS, PaaS, SaaS, Hybrid, On-Premise)
D
DHCP
DHCP Snooping – Grundlagen & Sicherheit
DNS – Zonentransfer
DNS-Lastverteilung, Round-Robin & Anycast
DNSSEC – Grundlagen
Docker – Grundlagen (Images, Container, Volumes, Networks, Compose)
Domain Name System (DNS)
F
Firewall-Arten – Stateful, Stateless, Next-Gen
FTP, FTPS & SFTP – Grundlagen
I
IDS & IPS – Grundlagen
K
Kubernetes – Grundlagen (Pods, Nodes, Deployments, Services, Ingress)
L
Load Balancing – Grundlagen (L4 & L7)
M
Mailserver – Grundlagen (SMTP, IMAP, POP3, Postfix, Dovecot)
Monitoring – Grundlagen (SNMP, Metrics, Logs, Alerts, Dashboards)
N
NTP – Network Time Protocol
P
Proxy-Server – Grundlagen (Forward Proxy & Reverse Proxy)
R
Reverse Lookup – PTR-Records
Routing-Protokolle – OSPF, BGP, RIP
S
Security – Grundlagen (CIA, Zero Trust, Hardening, Angriffe, Passwörter, Firewalls)
SMB / CIFS / Samba – Grundlagen
S (Fortsetzung)
SNMP – Grundlagen
Storage – Grundlagen (RAID, NAS, SAN, ZFS, iSCSI, NFS)
Syslog – Grundlagen
T
TFTP & PXE – Grundlagen
V
Verschlüsselung – Grundlagen (TLS, HTTPS, Zertifikate, PKI, Hashing)
Virtualisierung – Grundlagen (Hypervisor, VMs, Snapshots, Container)
VLAN-Sicherheit & Switching-Security
VPN – Grundlagen (IPsec, OpenVPN, WireGuard)
VPN-Sicherheit – IPSec, WireGuard, OpenVPN, Risiken & Best Practices
W
Webserver – Apache & Nginx – Grundlagen