Microsoft Networking Essentials Exam Quality Control & Assurance 5

Question 1

What is the primary purpose of testing network redundancy as part of quality assurance?

Accepted Answer

Verifying that failover mechanisms work before an actual failure occurs

Answer

Increasing available bandwidth on all links

Answer

Reducing the number of network devices required

Answer

Simplifying network documentation

Question 2

A network team implements change management procedures as part of QA. What is the main benefit?

Accepted Answer

Preventing unauthorized changes that could degrade network performance

Answer

Automatically backing up all network configurations

Answer

Encrypting all network management traffic

Answer

Assigning static IPs to all managed devices

Question 3

Which Ethernet error type occurs when a frame is smaller than the minimum 64-byte size?

Accepted Answer

Runt

Answer

Giant

Answer

Jabber

Answer

Fragment

Question 4

What does MTTR (Mean Time to Repair) measure in network quality assurance?

Accepted Answer

Average time required to restore a failed network component to operation

Answer

Average time between network equipment failures

Answer

Maximum acceptable packet loss percentage

Answer

Minimum bandwidth guaranteed by an SLA

Question 5

Which feature on a managed switch helps ensure consistent network quality by preventing broadcast storms?

Accepted Answer

Storm control

Answer

Port mirroring

Answer

VLAN tagging

Answer

Link aggregation

Question 6

A user reports that file transfers are slow but web browsing is fast. Which QoS configuration is the likely cause?

Accepted Answer

HTTP traffic is prioritized over file transfer (SMB/FTP) traffic

Answer

DNS is resolving hostnames incorrectly

Answer

The DHCP server is assigning duplicate IPs

Answer

The switch has a spanning tree misconfiguration

Question 7

When conducting a wireless site survey for quality assurance, what is the primary goal?

Accepted Answer

Identifying coverage gaps, interference sources, and optimal AP placement

Answer

Assigning IP addresses to wireless clients

Answer

Configuring wireless security protocols

Answer

Updating access point firmware versions