Chapter 11 Review

अब Quizwiz के साथ अपने होमवर्क और परीक्षाओं को एस करें!

At what point is a packet considered to be a giant?

It becomes a giant when it exceeds the medium's maximum packet size.

What protocol is most often used to bond ports between a switch and a busy server?

LACP

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

Online UPS

Packets that are smaller than a medium's minimum packet size are known by what term below?

runts

What command requests the next record in an SNMP log?

SNMP Get Next

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

- DiffServ for IPv4 - Traffic Class for IPv6

Why might you want to install two power supplies in a critical server?

If one power supply fails, the other can take over.

What term is used to describe the average amount of time that will pass for a device before a failure is expected to occur?

Mean time between failures (MTBF)

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

What is the primary goal of disaster recovery? (proper term)

Business continuity

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

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

DiffServ

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

MIB

What kinds of alerts can you program your network monitor to send to IT staff when it detects specific, problematic conditions?

- Email - Text message (SMS) - New support ticket

A highly available server is available what percentage of the time?

99.999%

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?

Baseline

What type of adapters are required on servers in an FCoE storage network?

CNA

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

CoS

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 port do SNMP agents listen on?

Port 161

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

Speed

Which type of disaster recovery site contains all 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 are the two main categories of UPSes?

1. Standby 2. Online

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 coworker's computer likely show up on?

Top listeners

When a device handles electrical signals improperly, usually resulting from a bad NIC, it is referred to by what term below?

jabber


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