A server technician is investigating a potential data breach. It is believed that the breach occurred
via telnet access. Which of the following could validate this hypothesis?

An administrator is securing a secure web server by disabling ports. After completing this process,
clients cannot access the secure web server. The administrator should now go back and verify
whether which of the following ports is enabled?

When troubleshooting a failed backup, a technician runs the backup using the same tape but on a
different tape drive in the same tape library. The backup fails again. Which of the following should
be the FIRST item the technician should examine as a failure?

A server administrator is notified that all three hard disks in a server array have failed. Which of the
following is the MOST likely cause?

A new DHCP server is placed on a network segment during off hours. When work resumes, users
on a different network segment report connectivity issues. Users on the same network segment
report no connectivity issues. Which of the following is the MOST likely reason for the connectivity
issues?

A technician is troubleshooting an issue with a new server, which is unable to download OS patches
from the Internet. The technician reviews the following configuration:
Ethernet Adapter Local Area Connection:
Connection-specific DNS Suffix . : comptia.org
Link-local IPv6 Address . . . . : fe80::c95:3f59:1a01:c050%11
IPv4 Address . . . . . . . . . . : 192.168.10.20
Subnet Mask . . . . . . . . . . : 255.255.255.128
Default Gateway . . . . . . . . : 192.168.10.129
Which of the following is the reason that the server is unable to connect to the Internet?

Users on a network segment report that they are unable to connect to a newly installed file server.
The file server IP address settings are as follows:
IP address: 10.0.10.254
Subnet Mask: 255.255.255.0
Default Gateway: 10.10.10.1
Which of the following changes should the server administrator make?

A system administrator notices that a server is consistently getting slower and less responsive the
longer it has been since the last reboot. Once the server is rebooted, the system performs at the
expected baseline, but starts slowing down again until the system is unresponsive. Which of the
following is the MOST likely cause of this problem?

A technician is troubleshooting a Linux server and wants to inspect the free disk space on the
/dev/sda partition of the system. Which of the following command line tools should the administrator
run to view available disk space on the partition?

A database server stops responding to requests, and the administrator suspects that the server is
experiencing memory faults during heavy network traffic and database access. Which of the
following is the FIRST troubleshooting step?