15 - DHCP

 1. DHCP stands for Dynamic Host Configuration Protocol



 2. This is the protocol that supplies an _______________ with all the relevant information to convey data across a network.


  individual user

  IP host

  client PC

 3. This protocol means that you have to manually recalibrate the network when you move one computer from one subnet to another.



 4. THE DHCP protocol manages the _________________________ on a network for devices and it operates on what is called a lease policy.

  assignment of sockets

  assignment of a single domain name

  assignment of port numbers

  assignment of IP addresses

 5. If a device wishes to connect to a network it ______________________ will service the request.

  sends a request to the DNS server

  sends a request via a static or private IP address

  sends a request via a DHCP socket

  sends a request to the DHCP server

 6. The DHCP server manages a table of ___________________________that can be assigned to the device and allocates a lease.

  available internal sockets

  available external domain names

  available internal IP addresses

  unavailable internal IP addresses

 7. What is the lease? (in the context of DHCP)

  It is a control policy that allows the device to connect to the network till it expires

  A control policy that allows network connection until expiry due to something like the device being switched off.

  It is a policy that allows connection until expiry due to an elapsed time frame

  All these options are valid explanations

 8. In the context of DHCP, what happens when a lease expires?

  the socket is re-opened and the IP address is duplicated.

  the IP address is permanently deleted for security reasons

  the IP address is added back into the table controlled by the DHCP

  the domain name is transferred to another DNS

 9. The following excerpt provides another definition of DHCP. Can you fill in the blanks?
Dynamic Host Configuration Protocol (DHCP) is a client/server protocol
 that automatically provides an Internet Protocol (IP) host with its 
IP address and other related configuration information such as the

  available port numbers

  individual's address and personal details

  subnet mask and default gateway

  port and router DNS info

 10. DHCP can be implemented on home networks to large campus networks and regional Internet service provider networks. A router or a residential gateway can be enabled to act as a DHCP server