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eg-253:networkq:525709 [2011/12/15 13:53] – created lukeeg-253:networkq:525709 [2011/12/21 16:14] (current) – luke
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 **Answer** (//delete as appropriate//): **Answer** (//delete as appropriate//):
  
-  prompt  
   hostname    hostname 
-  sudo  
-  echo  
  
  
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 **Answer**:  **Answer**: 
  
 +titan
  
  
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 Your answer (//one of//): Your answer (//one of//):
  
-  /etc/host  
-  /etc/hosts  
   /etc/hostname    /etc/hostname 
-  /etc/network  
- 
  
  
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 **Answer** //one of//: **Answer** //one of//:
  
-  ipconfig  
   ifconfig    ifconfig 
-  iface  
-  hostname  
- 
- 
- 
  
  
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 Use the command selected in [[#question_4|Question 4]] to complete the following table: Use the command selected in [[#question_4|Question 4]] to complete the following table:
 ^ Feature ^ Value ^ ^ Feature ^ Value ^
-| My host's IP address | Answer | +| My host's IP address | 192.168.3.5 | 
-| My network's IP address | Answer |+| My network's IP address | 192.168.3.0 |
 | The address used by my host to send an IP packet to all hosts on my network | Answer | | The address used by my host to send an IP packet to all hosts on my network | Answer |
-| The netmask of my host | Answer |+| The netmask of my host | 255.255.255.0 |
 | The hardware address (MAC Address) of my LAN-facing network interface connection (NIC)((If your host has two or more network cards, the LAN-facing card will be the NIC assigned to your host's static IP address.)) | Answer |  | The hardware address (MAC Address) of my LAN-facing network interface connection (NIC)((If your host has two or more network cards, the LAN-facing card will be the NIC assigned to your host's static IP address.)) | Answer | 
 | The frame-level (layer 1) protocol is used to send network messages to the network from my host? | Answer |   | The frame-level (layer 1) protocol is used to send network messages to the network from my host? | Answer |  
- 
- 
  
  
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 **Answer** //one of//: **Answer** //one of//:
  
-  254  +  254
-  256  +
-  65534  +
-  65536  +
- +
- +
  
  
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 **Answer** //one of//: **Answer** //one of//:
  
-  Class A  
-  Class B  
   Class C    Class C 
-  Class D  
- 
- 
  
  
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 **Answer** //one of//: **Answer** //one of//:
  
-  /etc/hosts  
-  /etc/hostname  
   /etc/network/interfaces    /etc/network/interfaces 
-  /etc/network/options  
  
 Please include a listing of the file chosen in answer to [[#question_8|Question 8]]: Please include a listing of the file chosen in answer to [[#question_8|Question 8]]:
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 What is the IP address of the host which serves as the default gateway for your network? What is the IP address of the host which serves as the default gateway for your network?
  
-**Answer**: +**Answer**: 192.168.3.1
  
  
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 What is the hostname of the gateway interface? What is the hostname of the gateway interface?
  
-**Answer**:+**Answer**: saturn
  
  
Line 162: Line 133:
  
   /etc/hosts    /etc/hosts 
-  /etc/hostname  
-  /etc/network/interfaces  
-  /etc/network/options  
- 
  
  
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 What is the symbolic name of your network's gateway interface? What is the symbolic name of your network's gateway interface?
  
-**Answer**: +**Answer**: saturn.icct.com saturn saturn-if2
  
  
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 What is the purpose of the Gateway interface? What is the purpose of the Gateway interface?
  
-**Answer**: +**Answer**: To route data between the internet gateway and the hosts on their subnetworks (e.g. saturn).
- +
- +
  
  
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 **Answer** //one of//: **Answer** //one of//:
  
-  1  
-  1 or 2  
   2    2 
-  3  +
-  3 or more +
  
 ==== Question 16 ==== ==== Question 16 ====
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 Which system feature must be turned on if you want a Linux host to act as a router? Which system feature must be turned on if you want a Linux host to act as a router?
  
-**Answer**: +**Answer**: IP Forwarding
  
 ==== Question 17 ==== ==== Question 17 ====
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 Which run-time command can be used to make a Ubuntu Linux host act as a router? Which run-time command can be used to make a Ubuntu Linux host act as a router?
  
-**Answer**: +**Answer**: sudo echo 1 > /proc/sys/net/ipv4/ip_forward
  
 ==== Question 18 ==== ==== Question 18 ====
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 In which file is the setting defined in [[#question17|Question 17]] set if you want a Ubuntu host to be configured as a router at boot-time? In which file is the setting defined in [[#question17|Question 17]] set if you want a Ubuntu host to be configured as a router at boot-time?
  
-**Answer**: +**Answer**: /etc/network/options
  
  
Line 242: Line 203:
 **Answer** **Answer**
  
-  Copy contents of file and paste it as a listing here.  +ip_forward=yes 
-  Include a minumum indent of two spaces per line. +
-  Like this.  +
-  +
  
 ==== Question 19 ==== ==== Question 19 ====
eg-253/networkq/525709.1323957226.txt.gz · Last modified: 2011/12/15 13:53 by luke