Microsoft Networking Essentials Exam Technology & Digital Applications 3

Question 1

Which IEEE standard defines the most common wired Ethernet technology used in enterprise networks today?

Accepted Answer

IEEE 802.3

Answer

IEEE 802.11

Answer

IEEE 802.1Q

Answer

IEEE 802.1X

Question 2

A user reports being unable to reach any website by name but can ping IP addresses successfully. What is the most likely cause?

Accepted Answer

DNS server is unreachable or misconfigured

Answer

Default gateway is misconfigured

Answer

Subnet mask is incorrect

Answer

NIC driver is outdated

Question 3

What does the 'tracert' command do on a Windows system?

Accepted Answer

Shows the hop-by-hop path packets take to a destination

Answer

Lists all MAC-to-IP mappings cached locally

Answer

Displays open ports on a remote system

Answer

Resets the TCP/IP stack to default settings

Question 4

Which type of malware disguises itself as legitimate software but opens a backdoor for attackers once installed?

Accepted Answer

Trojan horse

Answer

Worm

Answer

Ransomware

Answer

Adware

Question 5

What is the function of the Spanning Tree Protocol (STP) in a switched network?

Accepted Answer

Prevent Layer 2 broadcast loops

Answer

Assign VLANs to switch ports

Answer

Encrypt traffic between switches

Answer

Load-balance traffic across multiple links

Question 6

Which encryption protocol is recommended for securing modern Wi-Fi networks and replaced the vulnerable WEP and WPA standards?

Accepted Answer

WPA2/WPA3

Answer

TKIP

Answer

RC4

Answer

DES

Question 7

In the OSI model, at which layer does a router primarily operate?

Accepted Answer

Layer 3 – Network

Answer

Layer 1 – Physical

Answer

Layer 2 – Data Link

Answer

Layer 4 – Transport