Review Questions

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1. 

Which TCP/IP utility is most often used to test whether an IP host is up and functional?

  1. FTP

  2. Telnet

  3. Ping

  4. netstat

c.although all utilities can be used to test the functionality of an ip host in one way or another, the ping utility is used specifically to test whether an ip host is up and responding.

2. 

Which TCP/IP utility will produce the following result? 

Interface: 199.102.30.152  Internet Address   Physical Address   Type  199.102.30.152     A0-ee-00-5b-0e-ac   dynamic

  1. ARP

  2. netstat

  3. tracert

  4. nbtstat

a.the arp utility is used to display the contents of the arp cache, which tracks the resolution of ip addresses to physical (mac) addresses, and will produce the displayed output.

3. 

Which Windows 95/98 or NT utility can you use to display NetBIOS over TCP/IP statistics?

  1. nbtstat

  2. netstat

  3. ARP

  4. ipconfig

a.the nbt in nbtstat stands for netbios over tcp/ip. the purpose of nbtstat is to display the netbios over tcp/ip statistics for a computer running both protocols.

4. 

Which TCP/IP utility might produce the following output? 

Pinging 204.153.163.2 with 32 bytes of data:  Reply from 204.153.163.2: bytes=32 time=1ms TTL=128  Reply from 204.153.163.2: bytes=32 time=1ms TTL=128  Reply from 204.153.163.2: bytes=32 time=1ms TTL=128  Reply from 204.153.163.2: bytes=32 time<10ms TTL=128

  1. tracert

  2. Ping

  3. WINS

  4. winipcfg

b.the purpose of the ping utility is to test the communications channel between two ip hosts, as well as how long it takes the packets to get from one host to another.

5. 

Which utility can you use to find the MAC and TCP/IP address of your Windows 95/98 workstation?

  1. Ping

  2. winipcfg

  3. ipconfig

  4. tracert

  5. Telnet

b.the winipcfg utility is for windows 95/98. it displays information like the mac and tcp/ip address of your workstation as well as other tcp/ip configuration information for your workstation.

6. 

Which ping commands will verify that your local TCP/IP interface is working? (Choose all that apply.)

  1. ping 204.153.163.2

  2. ping 127.0.0.1

  3. ping localif

  4. ping localhost

  5. ping iphost

b, d.the address 127.0.0.1 is the special ip address designated for the local tcp/ip interface. the host name localhost is the host name given to the local interface. therefore, pinging either the ip address or host name for the local interface will tell you whether or not the local interface is working.

7. 

Which switch for the Windows 95/98 nbtstat utility will display all NetBIOS name resolution statistics?

  1. –r

  2. /r

  3. –R

  4. /R

a.the r switch for nbtstat (nbtstat r) displays all the name resolutions performed by the local client as well as their associated ip addresses.

8. 

Which program can you use to download files from a Unix server?

  1. nbtstat

  2. netstat

  3. ARP

  4. FTP

d.the only utility listed that can be used to download files from a unix server is the ftp utility.

9. 

Which nbtstat utility switch will purge and reload the remote NetBIOS name table cache?

  1. –r

  2. –R

  3. /r

  4. /R

b.to purge and reload the remote netbios name cache, you must use the r switch with the nbtstat utility (nbtstat r). remember that the r must be capitalized, and it will not work correctly without the dash before it.

10. 

Which Windows NT utility will display the current TCP/IP configuration of that host?

  1. ARP

  2. ipconfig

  3. winipcfg

  4. winipconfig

b.the nt utility ipconfig is similar to the windows 95/98 utility winipcfg in that it displays the current tcp/ip configuration of that station. however, ipconfig is a windows nt only utility.

11. 

Which utility produces an output similar to the following? 

1  110 ms  96 ms  107 ms fgo1.corpcomm.net [209.74.93.10] 2  96 ms  126 ms  95 ms someone.corpcomm.net [209.74.93.1] 3  113 ms  119 ms  112 ms Serial5–1–1.GW2.MSP1.alter.net     [157.130.100.185] 4  133 ms  123 ms  126 ms 152.ATM3–0.XR2.CHI6.ALTER.NET      [146.188.209.126] 5  176 ms  133 ms  129 ms 290.ATM2–0.TR2.CHI4.ALTER.NET   [146.188.209.10] 6  196 ms  184 ms  218 ms 106.ATM7–0.TR2.SCL1.ALTER.NET   [146.188.136.162] 7  182 ms  187 ms  187 ms 298.ATM7–0.XR2.SJC1.ALTER.NET   [146.188.146.61] 8  204 ms  176 ms  186 ms 192.ATM3–0–0.SAN–JOSE9– GW.ALTER.NET [146.188.144.133] 9  202 ms  198 ms  212 ms atm3–0–   622M.cr1.sjc.globalcenter.net [206.57.16.17] 10 209 ms  202 ms  195 ms pos3–1– 155M.br4.SJC.globalcenter.net [206.132.150.98] 11 190 ms   *   191 ms pos0–0–0–   155M.hr3.SNV.globalcenter.net [206.251.5.93] 12 195 ms  188 ms  188 ms pos4–1–0–   155M.hr2.SNV.globalcenter.net [206.132.150.206] 13 198 ms  202 ms  197 ms www10.yahoo.com [204.71.200.75]

  1. ARP

  2. tracert

  3. nbtstat

  4. netstat

b.the tracert utility traces the route from the source ip host to the destination host.

12. 

You are the network administrator. A user calls you complaining that the performance of the intranet web server is sluggish. When you try to ping the server, it takes several seconds for the server to respond. You suspect that the problem is related to a router that is seriously overloaded. Which workstation utility could you use to find out which router is causing this problem?

  1. netstat

  2. nbtstat

  3. tracert

  4. Ping

  5. ARP

c.the tracert utility will tell you which router is having the performance problem and how long it takes to move between each host. tracert can be used to locate problem areas in a network.

13. 

Which ipconfig switch will display the most complete listing of IP configuration information for that station?

  1. /All

  2. /Renew

  3. /Release

  4. /?

a.the ipconfig /all switch will display the most complete listing of tcp/ip configuration information for a windows nt computer.

14. 

Which utility will display a list of all the routers that a packet passes through on the way to an IP destination?

  1. netstat

  2. nbtstat

  3. tracert

  4. Ping

  5. ARP

c.the tracert utility returns all router names and addresses through which a packet passes on its way to a destination host.

15. 

Which Windows 95/98 TCP/IP utility could you use to find out if a server is responding on TCP port 21?

  1. TCP

  2. PORT

  3. Ping

  4. netstat

  5. Telnet

e.the telnet utility can be used to test if a particular ip host is responding on a particular tcp port.

16. 

Which ARP command can you use to display the currently cached ARP entries?

  1. ARP

  2. ARP -A

  3. ARP -a

  4. ARP /A

  5. ARP /a

c.the arp -a command will display the current contents of the arp cache on the local workstation.

17. 

Which FTP command-line command will initiate the download of a file?

  1. ARP

  2. GET

  3. PUT

  4. LCD

b.the get command, followed by the name of the file you want to download, will initiate the download of that particular file.

18. 

Which utility on a Windows 95 computer can be used to view IP address configuration information?

  1. winipcfg

  2. ipconfig

  3. netstat

  4. nbtstat

a.the winipcfg utility can be used to view the configuration of a windows 95/98 workstation.

19. 

Which netstat switch will enable you to view the number of ICMP packets your workstation has sent and received?

  1. –a

  2. –r

  3. –s

  4. –I

c.the s switch will enable you to view the statistics about how many of a particular tcp/ip protocol s packets have been sent and received.

20. 

Which nbtstat switch displays a list of all the NetBIOS sessions currently active on the local workstation?

  1. –a

  2. –r

  3. –s

  4. –I

c.nbtstat s will list all netbios sessions, incoming and outgoing, from that pc.

Answers

1. 

C.  Although all utilities can be used to test the functionality of an IP host in one way or another, the Ping utility is used specifically to test whether an IP host is up and responding.

2. 

A.  The ARP utility is used to display the contents of the ARP cache, which tracks the resolution of IP addresses to physical (MAC) addresses, and will produce the displayed output.

3. 

A.  The “nbt” in “nbtstat” stands for “NetBIOS over TCP/IP.” The purpose of nbtstat is to display the NetBIOS over TCP/IP statistics for a computer running both protocols.

4. 

B.  The purpose of the Ping utility is to test the communications channel between two IP hosts, as well as how long it takes the packets to get from one host to another.

5. 

B.  The winipcfg utility is for Windows 95/98. It displays information like the MAC and TCP/IP address of your workstation as well as other TCP/IP configuration information for your workstation.

6. 

B, D.  The address 127.0.0.1 is the special IP address designated for the local TCP/IP interface. The host name “localhost” is the host name given to the local interface. Therefore, pinging either the IP address or host name for the local interface will tell you whether or not the local interface is working.

7. 

A.  The –r switch for nbtstat (nbtstat –r) displays all the name resolutions performed by the local client as well as their associated IP addresses.

8. 

D.  The only utility listed that can be used to download files from a Unix server is the FTP utility.

9. 

B.  To purge and reload the remote NetBIOS name cache, you must use the –R switch with the nbtstat utility (nbtstat –R). Remember that the “R” must be capitalized, and it will not work correctly without the dash before it.

10. 

B.  The NT utility ipconfig is similar to the Windows 95/98 utility winipcfg in that it displays the current TCP/IP configuration of that station. However, ipconfig is a Windows NT–only utility.

11. 

B.  The tracert utility traces the route from the source IP host to the destination host.

12. 

C.  The tracert utility will tell you which router is having the performance problem and how long it takes to move between each host. Tracert can be used to locate problem areas in a network.

13. 

A.  The ipconfig /all switch will display the most complete listing of TCP/IP configuration information for a Windows NT computer.

14. 

C.  The tracert utility returns all router names and addresses through which a packet passes on its way to a destination host.

15. 

E.  The Telnet utility can be used to test if a particular IP host is responding on a particular TCP port.

16. 

C.  The ARP -a command will display the current contents of the ARP cache on the local workstation.

17. 

B.  The GET command, followed by the name of the file you want to download, will initiate the download of that particular file.

18. 

A.  The winipcfg utility can be used to view the configuration of a Windows 95/98 workstation.

19. 

C.  The –s switch will enable you to view the statistics about how many of a particular TCP/IP protocol’s packets have been sent and received.

20. 

C.  Nbtstat –s will list all NetBIOS sessions, incoming and outgoing, from that PC.



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Network+ Study Guide
Network+ Study Guide
ISBN: 470427477
EAN: N/A
Year: 2002
Pages: 151
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