Infrastructure Maintenance Flashcards
7 cards from real ICND1 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Infrastructure Maintenance flashcards as text
Which NTP stratum level indicates a directly connected reference clock source such as an atomic clock?
Answer: Stratum 0
Stratum 0 devices are reference clock sources (atomic clocks, GPS); Stratum 1 servers sync directly to them.
A router is configured with 'ntp server 192.168.1.1'. What does this command do?
Answer: Configures the router to synchronize time from the specified NTP server
The 'ntp server' command designates the IP address of the NTP server the router should synchronize its clock from.
Which Syslog severity level indicates the most critical system condition?
Answer: Level 0 (Emergency)
Syslog Level 0 (Emergency) is the highest severity and indicates the system is unusable.
What command enables Syslog messages to be sent to a remote Syslog server at 10.0.0.50?
Answer: logging 10.0.0.50
The 'logging [ip-address]' command in global configuration mode directs Syslog messages to a remote Syslog server.
An administrator wants to limit Syslog messages to only warnings and above. Which command accomplishes this?
Answer: logging trap warnings
The 'logging trap warnings' command sets the minimum severity level to 4 (Warning), sending levels 0-4 to the Syslog server.
Which command verifies NTP synchronization status on a Cisco router?
Answer: show ntp associations
The 'show ntp associations' command displays NTP peer relationships and synchronization status including stratum and reference.
What is the default Syslog severity level that Cisco IOS logs to the console?
Answer: Debugging (Level 7 — all messages)
By default, Cisco IOS sends all Syslog messages including debug (Level 7) to the console line.