Need to practice your Network Administration skills for an upcoming job interview? Try solving these Network Administration interview questions that test knowledge of network security, application layers, MX records, and other skills. We’ll provide feedback on your answers, and you can use a hint if you get stuck.
These Network Administration interview questions are examples of real tasks used by employers to screen job candidates such as system administrators, network administrators, network engineers, and others that require knowledge of network infrastructure, networking protocols, and the Internet.
1. Email Spoofing
Employees of a company are facing lots of bounced email notifications from email addresses they have never sent messages to. Select the options below which are correct for the given scenario.
(Select all acceptable answers.)
2. IP Privacy
Select the methods that can be used to hide your public IP address when making calls to a remote server over the internet.
(Select all acceptable answers.)
3. Grouping Hosts
A computer network has hosts with the following IP addresses:
- 124.127.64.147
- 124.127.64.151
- 124.127.64.155
- 124.127.64.156
What is the routing prefix (in format: address of a network/bit-length of the prefix) for the smallest subnet that contains these four hosts?
124.127.64. /
4. MX Record
The email service provider has provided only an IP address for the TestDome email server - 192.0.2.0. TestDome owns the domain 'testdome.com'. Fill in the blanks for the correct DNS configuration, so that 'mail.testdome.com' points to the email server.
| Type | Host Name | Points To |
|---|---|---|
| @ | ||
| A |
System and Network Administration Online Test (Easy)