Free CompTIA Network+ N10-009 practice questions

Sample question 1. Before deploying VoIP across the WAN, a team defines targets for the network metrics that most directly affect call quality. Which metrics should be included? (Choose three.)

1. One-way latency
2. DHCP lease duration
3. Jitter
4. DNS TTL values
5. Packet loss

Sample question 2. A storage team wants jumbo frames for iSCSI traffic between servers and an array on one VLAN. Which configuration is required for them to work?

1. The same jumbo MTU on every device and port in the path
2. A jumbo MTU on the servers only; switches adapt automatically
3. A jumbo MTU on the array only
4. A jumbo MTU on the default gateway only

Sample question 3. A monitoring server polls 500 switches every five minutes. The team wants to learn about an interface going down within seconds, without polling every device every few seconds. What should be configured?

1. Poll all switches every five seconds instead
2. SNMP traps sent when a link changes state
3. A larger MIB file on the monitoring server
4. Flow export from every switch to a flow collector