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Sysadmin Cards Practice Exam

Test yourself under real exam conditions: 50 timed questions, 60 on the clock, pass mark 70%%. Instant score with a full review of everything you got wrong. Free — no account needed.

📝 50 questions · ⏱ 60 minutes · 🎯 Pass mark 70% · 🆓 Free, no signup
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Exam details

  • ✓50 questions drawn from 542 cards
  • ✓Countdown timer — auto-submits when time runs out
  • ✓Pass mark 70% (real certification threshold)
  • ✓Full review of wrong answers at the end
  • ✓No signup required — save your score with a free account

Sample Questions

5 shown

What is the purpose of the ~/.ssh/config file?

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It allows users to define shortcuts and configuration options (like Hostname, User, Port, IdentityFile) for SSH connections.

What are the recommended permissions for the ~/.ssh/authorized_keys file?

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600 (read/write for owner only).

What is a DNS CNAME record?

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A Canonical Name record that maps one domain name (alias) to another domain name (canonical).

What is a DNS MX record?

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A Mail Exchange record that specifies the mail server responsible for accepting email messages on behalf of a domain.

What is the difference between rsyslog and journald?

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rsyslog is a traditional syslog daemon that writes logs to text files (e.g., /var/log/syslog). journald is part of systemd and stores logs in a binary format, accessible via journalctl.

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