quizlet 10

A user reports that she cant connect to the internet. After some investigation, you find the wireless router has been misconfigured. You are responsible for managing and maintaining the wireless access point.
What should you do next?
Create an action plan.
A user reports that he cant connect to a specific Web site. You go to the user’s computer and reproduce the problem.
What should you do next?
Identify the affected areas of the network.
You are a network administrator for your company. A user calls and tells you that after stepping on the network cable in her office, that she can no longer access the network.
You go to the office and see that one of the user’s stiletto heels has broken and exposed some of the wiring in the Cat 5 network cable. You make another cable and attach it from the wall plate to the user’s computer.
What should you do next in your troubleshooting strategy?
Test the solution.
You are a network administrator for your computer. A frantic user calls you one morning exclaiming that “nothing is working.” What should you do next in your troubleshooting strategy?
Establish the symptoms.
While working on a Linux server, you are unable to connect to Windows Server 2003 system across the Internet. You are able to ping the default gateway on your own network, so you suspect the problem lies outside the local network.
Which utility would you use to trace the route a packet takes as it crosses the network?
traceroute.
A user is unable to connect to the network. You investigate the problem and determine that the network adapter is defective. You replace the network adapter and verity that it works.
What should you do next?
Identify the results and effects of the solution
A user reports that she cant connect to a server on your network. You check the problem and find out that all users are having the same problem.
What should you do next?
Determine what has changed.
Users report that the network is down. After some investigation, you determine that a specific router is configured such that a routing loop exists.
What should you do next?
Determine if escalation is needed
A router periodically goes offline. Once it goes offline, you find that a simple reboot puts the router back online.
After doing some research you find that the most likely cause of the problem is a bug in the router’s software. A new patch is available from the manufacturer that is supposed to eliminate the problem.
What should you do next?
Identify possible effects of the solution.
You work in an office that uses NetWare servers and Wind. nt 4 servers. The network uses both the TCp/Ip and IPX/SPX protocols. You are sitting at a workstation that uses Windows 95 OSR2. an application you are using is unable to contact a Windows NT server named FileSrvr2. What command can you use to determine whether your computer can still contact the server?
Ping
Examine the following output.
Reply from 64.78.193.84: bytes=32 time=86ms TTL=115
Reply from 64.78.193.84: bytes=32 time=43ms TTL=115
Reply from 64.78.193.84: bytes=32 time=44ms TTL=115
Reply from 64.78.193.84: bytes=32 time=47ms TTL=115
Reply from 64.78.193.84: bytes=32 time=44ms TTL=115
Reply from 64.78.193.84: bytes=32 time=44ms TTL=115
Reply from 64.78.193.84: bytes=32 time=73ms TTL=115
Reply from 64.78.193.84: bytes=32 time=46ms TTL=115
Which of the following utilities produced this output?
ping
Which TCP/IP utility gives you the following output? Ethernet adapter Local Area Connection: connection-specific dns suffix . :testout.com
ipconfig
You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0 subnet
which uses the default subnet mask. This workstation cannot communicate with any other hosts on private network. You run IPCONFIG/ALL and see the following:
Ethernet adapter Local Area Connection :
Connection- specific DNS Suffix . : mydomain . local
Description . . . Broadcom network adapter
Physical Address . : 00 – AA-BB-CC-74-EF
DHCP Enabled . . . . . . . No
Autoconfiguration Enabled . Yes
IPv4 Address 192 . 168 . 1 . 102(Preferred)
Subnet Mask . 255 . 255 . 225 . 0
Default Gateway : 192 . 168 . 1.1
DNS Servers . . 192 . 168 . 2 . 20
Incorrect ip address
You’re trying to access your office network with your Windows workstation from home using your organization’s
virtual private network (VPN). Your DSL modem has connected to your ISP, but you can’t connect to your office
network. You issue the ipconfig command from the command prompt and learn that your system has been assigned an IP address of 169.254.1.12. What’s causing the problem?
Your ISP’s DHCP server isn’t working
You have been called in to troubleshoot a connectivity problem on a newly installed windows Server 2003 system. The system is operating satisfactorily and is able to communicate with other systems on the local network. However it is unable to access any systems on other segments of the corporate network. You suspect that the default gateway parameter for the system has not been configured, or may be configured incorrectly. Which of the following utilitis are you most likely to use to view the default gate way information for the system
ipconfig
Examine the following output:
Active Connections
Proto Local Address Foreign Address State
TCP SERVER1:1036 localhost:4832 TIME_WAIT
TCP SERVER1:4798 localhost:1032 TIME_WAIT
TCP SERVER1:1258 pool-141-150-16-231.mad.east.ttr:24076 CLOSE_WAIT
TCP SERVER1:2150 cpe-66-67-255-118.roc.res.rr.com:14100 ESTABLISHED
TCP SERVER1:268 C872c-032.cpe.net.cale.rers.com:46360 ESTABLISHED
TCP SERVER1:2995 ip68-97-96-186.ok.ok.cox.net:23135 ESTABLISHED

Which of the following utilities produced this output?

Netstat
While troubleshooting a problem on a Linux system, you run a utility that generates the following output:
5 s3232.gw.seat.someisp.net (63.201.72.9) 38.433 ms 38.713 ms 39.085 ms
traceroute
you troubleshooting an ip addresing issue, and so issue a command to view the tcp/ip configuration of the sysem. the command you use produces the folling output:
fxp0; flags=8843<up,broadcast,running,simplex,multicast> mtu 1500
linux
You administer a NetBIOS-based network that uses the TCP/IP protocol. You are trying to troubleshoot a computer that is unable to contact a server by its NetBIOS name. Which command can you use to check the connection?
nbtstat
Which TCP/IP utility gives you the following output?
Interface: 192.168.4.101 on Interface 0x2
Internet Address Physical Address Type
192.168.1.102 00-60-08-bd-62-5a dynamic
arp-a
You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0/24 subnet
This workstation can communicate with some hosts on private network, but not with other host. You run IPCONFIG/ALL and see the following:
Ethernet adapter Local Area Connection :
Connection- specific DNS Suffix . : mydomain . local
Description . . . Broadcom network adapter
Physical Address . : 00 – AA-BB-CC-74-EF
DHCP Enabled . . . . . . . No
Autoconfiguration Enabled . Yes
IPv4 Address 192 . 168 . 1 . 102(Preferred)
Subnet Mask . 255 . 255 . 0 . 0
Default Gateway : 192 . 168 . 1.1
DNS Servers . . 192 . 168 . 2 . 20 192.168.1.27
Incorrect subnet mask
Which TCP/IP utililty gives you the following output? route table interface list 0x1……………………………….MS TCP LOOPBACK interface
Netstat-r
Due to widespread network expansion, you have decided to upgrade the network by configuring a DHCP sever for the network uses Linux, Windows, and Mac OS X client systems. You configure the server to distribute IP addresses from 12.168.2.1 to address 192.168.2.100. You use the subnet mask of 255.255.255.0. after making al setting changes on the DHCP sever, you reboot each client system but they are not able to obtain an ip address from the dhcp server. Which of the following would explain the failure?
the clients must be configured to obtain ip addressing from a dhcp server
Which of the following tools would you use to view the MAC addresses associated with IP addresses that the local workstation has contacted recently?
arp
Which TCP/IP utility gives you the following output?
Interface: 192.168.4.101 on Interface 0x3
Internet Address Physical Address Type
192.168.1.23 00-d1-b6-d7-c2-af dynamic
arp
Which TCP/IP utililty gives you the following output? local area connection: nodebios ipaddress: [192.168.1.111] scope id: []
Nbstat-c
You work in an office that uses linux server, netware servers, and windows nt 4.0 severs. The network uses both the TCP/IP and IPX,SPX protocols. The linux server is used as an FTP server. Today you have received several calls from people who are unable to contact the linux server at its known IP address. You are sitting at the Linux server and want to check its IP address. Which command should you use?
Ifconfig
Which TCP/IP utililty gives you the following output? reply from 192.168.1.168 bytes=32 time<10ms TTL=128
ping
You are troubleshooting a connectivity problem on a Linux server. You are able to connect to another sysem on the local network, but are not able to connect to a server on a remote network. You suspect that the default gateway information for the system may be configured incorrectly, which of the following commands would you use to view the default gateway information on the linux server
ifconfig
You want to be able to view the DNS server address that a computer is using. Which of the following utilities would you use
Ipconfig
ifconfig
You administer a network with windows 200 unix servers, ad windows 2000 professionl, windows 98, and macintosh clients. A user of a windows 98 computer calls you one day and says he is unable to access respurces on the network. You type IPCONFIG on the users computer and receive the following output 0 ethernet adapter
Unavailable DHCP server
Upon conducting a visual inspection of the server room, you see that a switch displays LED collision lights that are continually lit. You check the LED on the corresponding workstation and see that it is flashing rapidly even though it is not sending or receiving network traffic at that time.
What is the cause of the network collision?
Faulty network card.
You have decided to implement Gigabit Ethernet on your network. Each switch port is connected to a single device. Following the installation, you find one device connected to a switch that is only running at 100 Mbps.
Which of the following are likely causes?
Crosstalk.
During a network infrastructure upgrade, you have replaced two 10 Mbps hubs with switches and upgraded from Category 3 UTP cable to Category 5e. During the process, you accidentally cut the Cat 5e patch cable that stretches from the network printer to the upgraded switch.
What is the impact on the network?
All network nodes, with exception of the printer, will be available.
Which of the following best describes the condition where a signal sent on one wire is received on another wire within the same connector?
NEXT.
You manage a network that uses 1000BaseT Ethernet. You find that one device communicates on the network at only 100 Mbps.
Which tool should you use to test the drop cable and the connection to the network?
Certifier.
You have a network connected using a physical bus topology. One of the cables connecting a workstation to the bus breaks.
Which of the following best describes what happens to network communications?
No device is able to communicate.
You have a network connected using a physical star topology. One of the drop cables connecting a workstation is removed.
Which of the following best describes what happens to network communications?
All devices except the device connected to the drop cable will be able to communicate.
You are working with an existing fiber optic installation in your building. You want to know how long each length of cable is that runs through walls.
Which tool should you use?
OTDR
Users report that the Internet is no longer accessible. You suspect that the line connecting your building to the Internet is not working properly.
Which of the following allows the service provider to remotely test the local loop
Smart jack.
Which of the following tests can be performed by a TDR
Measure the length of a cable.
Identify the location of a fault on a cable.
You are troubleshooting a connectivity problem in which one client system is unable to connect to a server. Both the server and the client system are connected to the same Ethernet network switch. No other users have complained of a problem, and you suspect that faulty network cabling might be to blame.
Which of the following troubleshooting steps are you most likely to perform first?
Use a media tester to test the cable between the computer and the network switch.
You have just been hired as a network administrator. A user has just changed offices and needs you to activate the network and telephone communications in his office. However, the wiring at the punch down block is labeled poorly and you are unable to tell which wires go to the user’s office.
What should you do?
Use a tone generator to locate the correct wiring.
The phone line to one office is not working. You have identified the location of the phone line in a 66 block in the wiring closet.
Which tool would you use to connect to the phone line at the punchdown block to see if you can make or receive calls?
Butt set.
You are creating an Ethernet network for your company. The shipping department is located in a different building that is located 150 meters from the main wiring closet. You connect a single Cat6e cable to connect the wiring closet to the shipping building.
Which of the following are you most likely to experience?
Attenuation.
You are troubleshooting a client connectivity problem on an Ethernet network. The client system has intermittent connectivity to the network. You discover that the UTP patch cable is run 75 feet from the wall outlet, passes through the ceiling and over several florescent light fixtures before reaching the client system.
Which of the following may be a cause of the connectivity problem?
EMI interfaace.
You have been asked to document the wiring in the building. You would like to identify the length of each Cat5 cable to verify that it meets Ethernet standards. You need to identify the length of the cables, but most cables run through walls and ceilings, making them difficult to trace.
Which tool should you use?
TDR.
You have just connected four new computer systems to an Ethernet switch using spare patch cables. After the installation only three systems are able to access the network. You verify all client network settings and replace the network card in the failed system. The client is still unable to access the network.
Which of the following might you suspect as the real cause of the problem?
Failed patch cable
You want to measure the voltage, amps, and ohms of various devices.
Which tool should you use?
Multimeter.
You are moving a client to a new location within an Ethernet network. Previous to the move, the client system did not have any difficulty accessing the network.
During the relocation, you attach a patch cable from the client system to the wall jack and from the patch panel to the switch. Once connected you do not get a link light on the network card or the switch. You swap out the cable running between the patch panel and the switch with a known working one but you can still not connect.
Which of the following might you suspect as the problem?
Failed patch cable between the client system and the wall jack
A user from the Sales department calls to report that he is experiencing problems connecting to the Sales file server. All users in the Sales department connect to the Sales server through a single Ethernet switch. No other users have reported problems connecting to the Sales server.
Which of the following troubleshooting actions are you most likely to perform first?
Replace the network card in the user’s computer
You’re responsible for implementing network cabling in a new network installation. The cabling will be installed in a manufacturing environment where there is a great deal of electromagnetic interface (EMI).
Which type of cabling would operate best in this environment?
Shielded twisted pair cable.
Fiber-optic cable.
You want to create a loopback plug using a single RJ-45 connector. How should you connect the wires in the connector?
Connect pin 1 to pin 3 and pin 2 to pin 6.
You use Cat5e twisted pair cable on your network. Cables are routed through walls and the ceiling. A user puts a screw in the wall to hang a picture and pierces the cable such that a signal sent on pin 1 arrives on the cable connected to pin 7.
What term describes this condition?
Short circuit.
You have a cable Internet connection at home. The installer had connected the router near the outside wall of your house with RG-6 cable.
You move the cable router a distance of 50 meters using RG-8 cables and special connector adapters.
Which condition are you most likely to experience?
Echo.
You have a network using a full physical mesh topology. The link between device A and device B is broken.
Which of the following best describes what happens to network communications?
Device A will be able to communicate with all other devices
You are creating an Ethernet network for your company. The shipping department is located in a different building that is located 150 meters from the main wiring closet. You connect a single Cat 6e cable to connect the wiring closet to the shipping building.
Which of the following should you include in your plan?
Repeater.
Which TCP/IP utility gives you the following output?
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix . : testout.com
IP Address. . . . . . . : 192.168.1.111
Subnet Mask. . . . . . . . : 255.255.255.0
Default Gateway . . . . . : 192.168.1.1
Ipconfig
You have been called in to troubleshoot a connectivity problem on a newly installed windows Server 2003 system. The system is operating satisfactorily and is able to communicate with other systems on the local network. However it is unable to access any systems on other segments of the corporate network. You suspect that the default gateway parameter for the system has not been configured, or may be configured incorrectly. Which of the following utilitis are you most likely to use to view the default gate way information for the system
Ipconfig
You’re trying to access your office network with your Windows workstation from home using your organization’s
virtual private network (VPN). Your DSL modem has connected to your ISP, but you can’t connect to your office
network. You issue the ipconfig command from the command prompt and learn that your system has been assigned an IP address of 169.254.1.12. What’s causing the problem?
Your ISP’s DHCP server isn’t working