SkillTestPro | CompTIA Server+ Practice Test 9

CompTIA Server+ Practice Test 9

CompTIA Server+ Practice Test

1 / 10

A server’s decommissioning requires data verification post-wipe. Which command provides proof of erasure?

dd if=/dev/zero of=/dev/sda

shred -v -n 1 /dev/sda > wipe.log

rm -rf /data

mkfs.ext4 /dev/sda

cp /dev/null /dev/sda

2 / 10

A server’s network drops after a firmware update. ip link shows "DOWN," but the cable is connected. What’s the fix?

Replace the NIC

Reboot the switch

Update the OS driver

Disable the firewall

Roll back the NIC firmware

3 / 10

A Windows server needs a group policy to enforce password complexity. Which command applies it?

net user /passwordreq:yes

gpedit.msc /force

passwd --complex

secedit /configure /db C:sec.sdb /cfg "C:complex.inf" /overwrite

icacls "C:Users" /setintegritylevel H

4 / 10

A server’s application slows down, and iostat shows high "await" times. smartctl -a /dev/sda reports no errors. What’s the next step?

Replace the disk

Check iotop for I/O-intensive processes

Update the RAID controller

Increase RAM

Reboot the server

5 / 10

A server’s data was lost in a fire, and backups were onsite. What should have been implemented?

RAID 1 mirroring

Offsite backups with daily sync

Local encrypted USB backups

Increased server room cooling

Daily local snapshots

6 / 10

A server farm needs load distribution for a web app. Which protocol should you configure on the network?

SNMP for monitoring

HTTP Load Balancing with a reverse proxy

DHCP for IP assignment

NTP for time sync

VLAN for segmentation

7 / 10

A server’s disk fails to mount at boot, and /var/log/syslog shows "unknown filesystem type." What’s the fix?

Reboot the server

Replace the disk

Run mkfs.ext4 /dev/sdb1 and update /etc/fstab

Check dmesg for hardware errors

Update the kernel

8 / 10

A server’s web service was hacked via an exposed port. Which command closes port 8080 to external traffic?

netstat -tuln 8080

ip link set eth0 down

echo "8080" > /etc/services

chmod 700 /etc/httpd

iptables -A INPUT -p tcp --dport 8080 -j DROP

9 / 10

A server needs a script to monitor CPU usage and alert if it exceeds 80%. Which command achieves this on a Linux system?

top -b -n 1 | awk '/%Cpu/ {if ($2 > 80) system("echo High CPU | mail -s Alert admin@domain.com")}' && crontab -e

ps aux > /var/log/cpu.log

uptime | mail admin@domain.com

systemctl monitor cpu

sar -u > /dev/null

10 / 10

A server’s new NVMe drive isn’t visible in the OS after installation. The BIOS detects it. What’s the likely issue?

Faulty SATA cable

Insufficient PSU wattage

Missing NVMe driver in the OS

Disabled RAID controller

Incorrect BIOS boot mode

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