Network Operations
50 free practice questions with explanations
PassNova has 50 free CompTIA Network+ practice questions on Network Operations, each with a clear explanation. Practise them in the browser with instant feedback — 100% free, no sign-up, on any device. Updated for 2026.
Network Operations: example questions & answers
Here are 6 example questions from this topic. Practise the full set of 50 free in the browser.
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Which document shows the logical layout of IP addressing and subnets?
- A Physical diagram
- B Logical network diagram ✓
- C Rack diagram
- D Floor plan
Answer: A logical diagram shows IP addressing, subnets, VLANs, and logical relationships.
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Which diagram shows physical equipment placement in a rack?
- A Logical diagram
- B Rack diagram ✓
- C IP plan
- D Wiring schematic
Answer: A rack diagram details the physical placement of equipment in a server rack by unit.
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Which protocol is used to collect metrics and send traps from network devices?
- A SNMP ✓
- B FTP
- C NTP
- D SMTP
Answer: SNMP collects device metrics and can send traps to a management station on events.
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Which SNMP version adds encryption and strong authentication?
- A SNMPv1
- B SNMPv2c
- C SNMPv3 ✓
- D SNMPv0
Answer: SNMPv3 adds authentication and encryption, unlike the community-string-only v1/v2c.
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Which logging protocol centralizes log collection from many devices?
- A Syslog ✓
- B SMTP
- C ICMP
- D ARP
Answer: Syslog sends event messages to a central server for aggregation and analysis.
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Which syslog severity level is the most critical (lowest number)?
- A 0 (Emergency) ✓
- B 7 (Debug)
- C 4 (Warning)
- D 5 (Notice)
Answer: Syslog severity 0 is Emergency, the most critical; 7 (Debug) is the least.