A NetScaler implementation is experiencing intermittent network issues, specifically regarding traffic to a back-end service associated with IP address 10.10.1.86. Which command should a network…

Bao N.Oct 15, 2025

C is your answer here. nstcpdump.sh is the NetScaler-native packet capture wrapper and using "host 10.10.1.86" scopes the dump to traffic from that specific back-end IP, which gives you actual wire-level diagnostic data you can analyze, whereas traceroute only checks path reachability and show service just pulls config or stat output, neither of which tells you what is actually happening on the wire during those intermittent drops.

Hiroshi T.Oct 7, 2025

Passed 1Y0-A28 last spring and this exact scenario showed up, worded almost identically with the same IP class. I stared at A for a solid minute because traceroute is the obvious instinct when you hear "intermittent network issues," but traceroute only tells you hop-level reachability and nothing about what the actual packets look like on the wire. Option D would give you service statistics, not a packet-level capture, and option B is Cisco IOS grep syntax that does not even apply to NetScaler. The correct answer is C because nstcpdump.sh is the NetScaler-native wrapper around tcpdump that lets you capture traffic on the appliance itself, and passing "host 10.10.1.86" scopes the capture to only that back-end service IP, which is exactly what Citrix documentation prescribes for diagnosing intermittent connectivity to a specific server. When I saw this on the real exam I eliminated B immediately, ruled out D because the word "diagnostic information" in the stem is pointing toward raw capture data rather than a summary report, and that left C as the clear pick.

Yusuf A.Oct 27, 2025

My senior almost had me going with D because "show service" feels like the obvious first move when a specific back-end IP is misbehaving, but that just gives you config and state, not live packet-level diagnostic data. The answer is C, since nstcpdump.sh is the NetScaler-native way to capture actual traffic to that host and see what is really happening on the wire.