Network Administration Online Test

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About the test

The Network administrator online test assesses knowledge of networking protocols and infrastructure, as well as how to configure networks to ensure security and integrity.

The assessment includes work-sample tasks such as:

  • Preventing unauthorized access or misuse of resources.
  • Understanding how the Internet works.
  • Configuring internal computer networks.

A good network administrator should be familiar with the networking technologies that allow communication between devices and form the backbone of the Internet.

Sample public questions

5 min
Network Administration
Application Layer
MX Record

The email service provider has provided only an IP address for the TestDome email server - TestDome owns the domain ''. Fill in the blanks for the correct DNS configuration, so that '' points to the email server.

Type Host Name Points To
____ @ _________________
A _________________ _________________
7 min
Network Administration
Network Layer

A computer network has hosts with the following IP addresses:


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.___ / __

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17 more premium Network Administration questions

DNS Zone, IP Assignment, Network Hops, Routing Table, Introducing NAT, Introducing DHCP Server, Web Vulnerabilities, Load Distribution, Web Security, Intranet Access, Private Subnet, IP Address, Company Subnet, Network Permissions, Transport Layer Security, Connecting to a Switch, DNS Lookup.

Skills and topics tested

  • Network Administration
  • Application Layer
  • DNS
  • IP
  • Network Layer
  • Routing
  • Routing Table
  • NAT
  • DHCP
  • Firewall
  • Network Security
  • Load Balancing
  • Multi-Factor Authentication
  • VPN
  • Subnet
  • Protocol
  • Access Control List
  • Presentation Layer
  • Data Link Layer
  • Network Switch

For job roles

  • Network Administrator
  • Network Engineer
  • System Administrator (Sysadmin)
  • System Engineer

Sample candidate report

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Simple, straight-forward technical testing

TestDome is simple, provides a reasonable (though not extensive) battery of tests to choose from, and doesn't take the candidate an inordinate amount of time. It also simulates working pressure with the time limits.

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