Microsoft Networking Essentials Exam Quality Control & Assurance 2

Question 1

Which metric best measures the reliability of a network connection over time?

Accepted Answer

Packet loss percentage

Answer

IP address count

Answer

Number of connected devices

Answer

Router firmware version

Question 2

A network administrator notices intermittent connectivity issues. Which QoS mechanism should be reviewed first?

Accepted Answer

Traffic shaping policies

Answer

DNS server settings

Answer

DHCP lease duration

Answer

MAC address table

Question 3

What does a high jitter value indicate about network quality?

Accepted Answer

Inconsistent packet delivery timing

Answer

High overall throughput

Answer

Low bandwidth utilization

Answer

Stable round-trip time

Question 4

Which Windows tool provides a baseline network performance report for quality assurance purposes?

Accepted Answer

Windows Network Diagnostics

Answer

Device Manager

Answer

Registry Editor

Answer

Disk Cleanup

Question 5

In QoS configuration, what does DSCP (Differentiated Services Code Point) primarily control?

Accepted Answer

Packet prioritization in the network

Answer

IP address assignment

Answer

DNS resolution order

Answer

Wireless channel selection

Question 6

A technician runs a ping test and observes 'Request Timed Out' responses. What does this most likely indicate?

Accepted Answer

The destination host is unreachable or blocking ICMP

Answer

The source computer has a bad NIC

Answer

DNS is resolving incorrectly

Answer

The gateway IP is misconfigured

Question 7

Which standard defines Quality of Service for Ethernet networks at Layer 2?

Accepted Answer

IEEE 802.1p

Answer

IEEE 802.11n

Answer

IEEE 802.3u

Answer

IEEE 802.1X