IST 220 Chapter 11 review
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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?
Standby and online
What are the two general categories of UPSs?
False
A RAID 5 configuration requires a minimum of two hard disks to operate.
It filters line noise from incoming power.
How does a line conditioning UPS protect network equipment?
True
A brownout is a momentary decrease in voltage; also known as sag.
SNMP Get Next
What command requests the next record in an SNMP log?
traffic shaping
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?
Email , text message, New support ticket
What kinds of alert can you program your network monitor to send to IT staff when it defects specific, problematic conditions ?
Port 161
What port do SNMP agents listen on?
LACP
What protocol is most often used to bond ports between a switch and busy server?
CoS
Which QoS technique operates at Layer 2 to more efficiently route Ethernet traffic between VLANs?
DiffServ for IPv4 , Traffic Class for IPv6
Which fields are modified in IPv4 and IPv6 packets to help prioritize traffic for QoS?
It includes data that has changed since the last full backup.
A differential backup covers what data on a system?
99.99%
A highly available server is available what percentage of the time?
False
A hot site consist of computers, devices, and connectivity necessary to rebuild a network exist, but without appropriate configuration.
It becomes a giant when it exceeds the medium's maximum packet size.
At what point is a packet considered to be a giant?
Internet SCSI (iSCSI)
What Storage Area Network (SAN) protocol runs on top of TCP, and can be used on an existing twisted-pair Ethernet network, while maintaining low cost?
DiffServ
What field in an IPv4 packet is altered to prioritize video streaming traffic over web surfing traffic?
jabber
When a device handles electrical signals improperly, usually resulting from a bad NIC, it is referred to by what term below?
How long devices like this one will last on average until the next failure
When shopping for a new router, what does the MTBF tell you?
Baseline
When you arrive at work one morning , your inbox is full of message 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?
Speed
Which of the following features of a network connect between a switch and server is not improved by link aggregation?
Online UPS
Which power backup method will continually provide power to a server if the power goes out during a thunderstorm?
If one power supply fails, the other can take over.
Why might you want to install two power supplies in a critical server?
MIB
What file must be accused in order to analyze SNMP logs?
Business Continuity
What is the primary goal of disaster recovery?
A NAS can be easily expanded without interrupting service.
What statement regarding the use of a network attached storage device is accurate?
Mean Time Between Failures
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)
What term is used to describe the average amount of time that will pass for a device before a failure is expected to occur?
CNA
What type of adapters are required on servers in an FCoE storage network?
Runts
Packets that are smaller than a medium's minimum packet size are known by what term below?
Clustering
The grouping of multiple servers so that they appear as a single device to the rest of the network is known as which term?
cold site
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 ?
Wireshark
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?