Quiz 12C: Use Performance Metrics to Ensure Network Availability

What is bandwidth?

• The number of errors in data transmission

• The speed at which data is transmitted

• The variation in the delay of packet delivery

• The size of packets transmitted over the network

Which of the following is NOT a problem related to timing and sequence of packet delivery?

• Latency

• Jitter

• Bandwidth

• Packet Loss

Which tool can be used to measure latency and jitter?

• iperf

• bwping

• pathping

• mtr

What is the expected Round Trip Time (RTT) for VoIP?

• Less than 100 ms

• Less than 200 ms

• Less than 300 ms

• Less than 500 ms

What distinguishes Quality of Service (QoS) from Class of Service (CoS)?

• QoS offers fine-grained control over traffic parameters

• CoS allows for prioritization of traffic

• CoS offers General Ratings, Certifications, and Keys

• QoS allows for prioritization of control and traffic parameters

What is the purpose of traffic shaping?

• To categorize protocols into groups

• To provide a tagging mechanism for packets

• To ensure consistent bandwidth usage

• To monitor network activity

Which algorithm can be used to manage traffic overflow on a traffic shaper?

• Random Early Detection (RED)

• Cyclic Redundancy Check (CRC)

• Multiprotocol Label Switching (MPLS)

• Internet Protocol Flow Information Export (IPFIX)

Which tool can be used to measure network throughput by transferring a large file between hosts?

• iperf

• Ttcp

• bwping

• ping

What do Top Talkers and Top Listeners help identify?

• Bandwidth availability

• Network latency

• Performance bottlenecks

• Protocol errors

Which technology gathers traffic metadata only and reports it to a structured database?

• NetFlow

• ICMP

• ARP

• DNS