Exam 300-101 topic 1 question 453 discussion

For reference, "Show track" options from ASR1001X running 15.4(3)S2: show track ? <1-1000> Track number application Application objects brief Brief output interface Interface objects ip IP objects ipv6 IPv6 objects list list objects resolution Resolution of tracked parameters stub-object stub objects summary Object summary timers Polling interval timers | Output modifiers <cr> Output from configured IP SLA "show track 1": #show track 1 Track 1 IP SLA 1 reachability Reachability is Up 72 changes, last change 2d05h Latest operation return code: OK Latest RTT (millisecs) 12 Tracked by: Route Map 0 Of the options, D seems the best fit.

A is correct. The command show track [object-id] [interface | ip route] [brief] will display information for tracked objects. The default output of show track will display information for all tracked objects. https://www.cisco.com/c/m/en_us/techdoc/dc/reference/cli/n5k/commands/show-track.html

Bastex is right

I think, D. Tracking list is a collection of track objects. It is displayed by show track list command, not by show track 1.

I think, D. There is no term "tracking list".