) What do network visibility tools allow a manager to do? >>> b) Do they cost more money than they save? Explain. >>> 12. a) If you Ping a host and it does not respond, what can you conclude? >>> b) What two things does Ping tell you about a host that replies? >>> c) What types of latency do Ping and Traceroute give you? >>> d) If a router causes problems, how can you diagnose this with Ping? >>> e) Distinguish between Ping and Traceroute. >>> f) In Figure 3-21, what jump causes the second most latency?