A systems administrator receives reports that several virtual machines in a host are responding slower than expected. Upon further investigation, the administrator obtains the following output from one of the affected systems:
Which of the following best explains the reported issue?
Users are reporting that a production application has slow performance. A systems administrator logs in to the server and performs some basic checks. Given the following:
yaml
[root@comptia]# ps -o pcpu; pidstat 1
Average: UID PID %usr %system %wait %CPU Command
Average: 0 937242 32.39 0 63.21 32.39 app_prd
Average: 0 937245 44.97 0.31 51.57 45.28 app_prd
Average: 0 937244 23.62 0 63.55 28.62 app_prd
[root@comptia]# vmstat 1
procs memory swap io system cpu
r b swpd free buff cache si so bi bo in cs us sy id wa st
16 0 978912 376320 50804 10296312 0 0 0 44 5503 2962 98 2 0 0 0
[root@comptia]# free -m
total used free shared buff/cache available
Mem: 15533 5063 365 164 10104 9975
Swap: 7931 955 6976
Which of the following is causing the performance issue?
A systems administrator wants to list all local account names and their respective UIDs. Which of the following commands will provide output containing this information?
After connecting to a remote host via SSH, an administrator attempts to run an application but receives the following error:
[user@workstation ~]$ ssh admin@srv1
Last login: Tue Mar 29 18:03:34 2022
[admin@srvl ~] $ /usr/local/bin/config_manager
Error: cannot open display:
[admin@srv1 ~] $
Which of the following should the administrator do to resolve this error?