Microsoft Networking Essentials Exam Microsoft Networking Essentials: Final Course 3

Question 1

Which wireless security protocol replaced WPA2 and offers stronger encryption including SAE (Simultaneous Authentication of Equals)?

Accepted Answer

WPA3

Answer

WPA3 introduced SAE to replace the PSK handshake, providing stronger protection against offline dictionary attacks.

Question 2

A router receives a packet destined for 10.0.5.200. Its routing table has entries for 10.0.0.0/8, 10.0.5.0/24, and a default route. Which route does it use?

Accepted Answer

10.0.5.0/24

Answer

Routers use the longest prefix match; 10.0.5.0/24 is more specific than 10.0.0.0/8 and matches 10.0.5.200.

Question 3

Which protocol operates at Layer 3 and is used by routers to report error conditions and diagnostic information?

Accepted Answer

ICMP

Answer

ICMP (Internet Control Message Protocol) is a Layer 3 protocol used to send error messages and operational information, including ping and traceroute.

Question 4

What type of DNS record maps a hostname to an IPv6 address?

Accepted Answer

AAAA

Answer

The AAAA record (quad-A) maps a hostname to a 128-bit IPv6 address, while the A record maps to an IPv4 address.

Question 5

Which technology allows multiple VLANs to share a single physical uplink between a switch and a router, enabling inter-VLAN routing?

Accepted Answer

Router-on-a-stick

Answer

Router-on-a-stick uses 802.1Q trunk subinterfaces on a router to route traffic between VLANs over a single physical link.

Microsoft Networking Essentials Exam Practice Test

Microsoft Networking Essentials Exam Practice Test

Microsoft Networking Essentials Exam Microsoft Networking Essentials: Final Course 3