5.9 Practice Questions

3 September 2022
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15 test answers

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question
You work in an office that uses Linux servers and Windows servers. The network uses the TCP/IP protocol. You are sitting at a workstation that uses Windows 10. An application you are using is unable to contact a Windows server named FileSrv2. Which command can you use to determine whether your computer can still contact the server?
answer
ping
Explanation: You can use the nslookup command to determine whether your computer can still contact the server.
question
You work in an office that uses Linux servers and Windows servers. The network uses both the TCP/IP protocol. 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?
answer
ifconfig
question
Your computer is sharing information with a remote computer using the TCP/IP protocol. Suddenly, the connection stops working and appears to hang. Which command can you use to check the connection?
answer
netstat
question
Which command displays network activity statistics for TCP, UDP, and IP?
answer
netstat -s
Explanation: The command that displays network activity statistics for TCP, UDP, and IP is the netstat command. This command shows the active connections for each protocol as well as the statistics for each protocol.
question
You are troubleshooting a connectivity problem on a Linux server. You are able to connect to another system 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?
answer
ifconfig
question
You have been called in to troubleshoot a connectivity problem on a newly installed Windows Server 2016 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 utilities are you most likely to use to view the default gateway information for the system?
answer
ipconfig
question
While working on a Linux server, you are unable to connect to Windows Server 2016 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?
answer
traceroute
question
Which TCP/IP utility gives you the following output?
answer
netstat -r
question
Which TCP/IP utility gives you the following output?
answer
ping
question
Which TCP/IP utility gives you the following output?
answer
netstat -a
question
Which TCP/IP utility gives you the following output?
answer
arp -a
question
Which TCP/IP utility gives you the following output?
answer
ipconfig
Explanation: Traceroute is a TCP/IP utility that displays the route that packets take from one host to another. It also displays the amount of time each hop takes.
question
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?
answer
ping
Explanation: The output was produced by the ping" command, which is a utility used to test whether a particular computer is reachable on a network. The output shows the results of pinging a computer with the IP address 64.78.193.84. The "bytes" column shows the number of bytes of data that were sent in the ping, the "time" column shows the amount of time it took for the ping to return, and the "TTL" column shows the time-to-live value of the ping."
question
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-66-67-225-118.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?
answer
netstat
Explanation: The output is from the netstat" command."
question
Which of the following tools would you use to view the MAC addresses associated with IP addresses that the local workstation has contacted recently?
answer
arp
Explanation: The arp command is used to view and manipulate the ARP cache, which contains one or more tables that are used to store IP addresses and their associated MAC addresses.