Microsoft Networking Essentials Exam Microsoft Networking Essentials 5

Question 1

Which port number is used by the Remote Desktop Protocol (RDP) by default?

Accepted Answer

3389

Answer

RDP (Remote Desktop Protocol) uses TCP port 3389 by default to allow remote graphical desktop connections to Windows systems.

Question 2

What is the difference between a half-duplex and a full-duplex network connection?

Accepted Answer

Half-duplex can only send or receive at one time; full-duplex can do both simultaneously

Answer

Half-duplex communication allows data to flow in only one direction at a time, while full-duplex allows simultaneous bidirectional data transmission.

Question 3

A company wants to ensure that only authorized computers can connect to their wired network switches. Which technology should they implement?

Accepted Answer

802.1X port-based Network Access Control

Answer

802.1X port-based NAC authenticates devices before granting network access, using an authentication server to verify credentials before enabling the switch port.

Question 4

Which DNS record type is used to define the mail server responsible for accepting email for a domain?

Accepted Answer

MX record

Answer

An MX (Mail Exchanger) record specifies the hostname of the mail server that accepts incoming email messages for a domain.

Question 5

What does the netstat -an command display in Windows?

Accepted Answer

All active TCP and UDP connections with addresses and port numbers in numeric format

Answer

netstat -an shows all active network connections and listening ports in numeric format without resolving hostnames, useful for troubleshooting connectivity issues.

Microsoft Networking Essentials Exam Practice Test

Microsoft Networking Essentials Exam Practice Test

Microsoft Networking Essentials Exam Microsoft Networking Essentials 5