Network+ Guide to Networks - Chapter 11 - Review Questions

Which QoS technique operates at layer 2 to more efficiently route Ethernet traffic between VLANs?

CoS (Class of Service)

Which type of disaster recovery site contains all of the equipment you would need to get up and running again after a disaster, and yet would require several weeks to implement?

Cold site

What field in an IPv4 packet is altered to prioritize video streaming traffic over web surfing traffic?

Diffserv

Which fields are modified in IPv4 and IPv6 packets to help prioritize traffic for QoS?

Diffserv and Traffic Class

When shopping for a new router, what does the MTBF tell you?

How long devices like this one will last on average until the next failure

What file must be accessed in order to analyze SNMP logs?

MIB ( Management Information Base)

When you arrive at work one morning, your inbox is full of messages complaining of a network slowdown. you collect a capture from your network monitor. What can you compare it to in order to determine what has changed?

Network Baseline

Which power backup method will continually provide power to a server if the power goes out during a thunderstorm?

Online UPS

What port do SNMP agents listen on?

Port 161

What command requests the next record in an SNMP log?

SNMP Get Next

What are the two main categories of UPSes?

Standby UPS Online UPS

One of your coworkers downloaded several, very large video files for a special project she's working on for a new client. When you run your network monitor later this afternoon, what list will your coworkers computer likely show up on?

Top Listeners

Your roommate has been hogging the bandwidth on your router lately. What feature should you configure on the router to limit the amount of bandwidth his computer can utilize at any one time?

Traffic Shaping

While troubleshooting a recurring problem on your network, you will want to examine the TCP messages being exchanged between a server and a client. Which tool should you use?

Wireshark

Which of the following features of a network connection between a switch and a server is not improved by link aggregation?

speed