Module 2 - Network Management

Which of the following tells you the cumulative round-trip latency to each router along the route to the host?

Traceroute

To handle momentary traffic peaks, which would you give higher priority to?

VoIP

ISPs usually offer QoS guarantees to ________.

business customers

The SNMP manager stores the information it receives from Get commands ________.

in the MIB

Variability in delay is called ________.

jitter

When a packet travels through a network, the time it takes to get from the sender to the receiver is called ________.

latency

The business benefit of multiplexing is ________.

lower cost

To determine if a host is reachable, you send a(n) ________.

ping

In a coffee shop hot spot, the rated speed is 10 Mbps. Throughput is about half of the rated speed. There are ten people using the hot spot. If you and three others are transmitting or receiving at the same time, what speed should you expect to get?

1.25 Mbps

In SNMP, the manager communicates directly with the managed device.

False

Priority is a way to handle a chronic lack of capacity.

False

Guarantees for quality of service are called ________.

SLAs

Trunk lines in the Internet core are ________.

multiplexed

An SLA specifies ________.

neither A nor B

Using standard configurations ________.

saves money

In QoS, the S stands for ________.

service

Jitter is a problem for ________.

streaming media AND voice over IP (VoIP)

The damage of momentary traffic peaks can be addressed by ________.

using priority adding more capacity. both A and B

An SLA specifies the ________.

worst case