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DNS Resolver Library - Quiz

Each question is worth one point. Select the best answer for each question.
 
1. What is the function of the DNS resolver library?
Please select the best answer.
  A. To set a default gateway for the system
  B. To convert host names to IP addresses
  C. To convert IP addresses to host names
  D. To configure the network interface

2. Where is the basic configuration information for the DNS part of the resolver library stored?
Please select the best answer.
  A. In the /etc/resolv.conf configuration file
  B. In the /etc/hosts file
  C. In the /etc/nsswitch.conf file
  D. In the /etc/hostname.hme() file

3. Which command would you use to display the results of the kernel's initial hardware probe?
Please select the best answer.
  A. ping
  B. dmesg
  C. ifconfig
  D. route

4. What command would you use to configure a network interface?
Please select the best answer.
  A. ping
  B. dmesg
  C. ifconfig
  D. route

5. What is the difference between static routing and dynamic routing? Please select the best answer.
  A. In static routing, information is programmed into the machine at boot time, whereas in dynamic routing, a route daemon communicates with other routing daemons to update the information in response to changing conditions.
  B. In dynamic routing, information is programmed into the machine at boot time, whereas in static routing, a route daemon communicates with other routing daemons to update the information in response to changing conditions.
  C. Dynamic routing involves the use of the ARP cache, whereas dynamic routing involves the use of routing tables.
  D. Static routing is where the system communicates on the local network, using information programmed in at boot time, and dynamic routing involves the use of routing tables.

6. What are two possible sources where a host can configure its name? Please select the best answer.
  A. The uname command and the hostname command
  B. The uname command and the name service
  C. The hostname command and the name service
  D. The uname command and the arp command

7. What is the function of the nsswitch.conf file? Please select the best answer.
  A. To resolve IP addresses to ethernet addresses
  B. To tell the resolver library which of three possible methods to use to convert host names to IP addresses and back
  C. To configure the network interface by joining the link-layer portion of the protocol stack to the network layer
  D. To tell the system where to send information meant for machines not on the local network

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