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

Hard
7 min
fill
Public
AI-resistant
Network Administration
Network Layer
Routing
Subnet

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.___ / __

Hard
5 min
fill
Public
Network Administration
Application Layer
DNS
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 _________________ _________________

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17 more premium Network Administration questions

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

Skills and topics tested

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

For job roles

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

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What others say

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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.

Jan Opperman, Grindrod Bank

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