Exam
Network and
Security (Updated
2025/2026) Verified
Questions and
Answers
,A network is being created for an office, and there is a need for a
router that manages internal network connections with no contact
with the internet.Which type of router is needed? Correct Answer
Core router
An IT manager is designing a new network and needs a device that
connects multiple networks.Which device is needed? Correct
Answer
Router
A network in a small office building connects all devices using
wired connections with a star topology.Which type of network is
described? Correct Answer
LAN
An executive uses Bluetooth to connect a laptop, a mobile phone,
and a headset.Which type of network is described? Correct Answer
, PAN
A city uses fiber optic cable to connect smaller networks
throughout the whole city. Which type of network is described?
Correct Answer
MAN
Users of a network have been experiencing issues. In the course of
troubleshooting, an administrator wants to query DNS servers to
resolve domain names to IP addresses.Which command in Windows
should be used for this purpose? Correct Answer
nslookup
Users of a network have been experiencing issues. In the course of
troubleshooting, an administrator wants to determine which ports
have an active connection. Which command in Windows should be
used for this purpose? Correct Answer
netstat -an