5A

Question 1

DHCP consists of a scope, or _____, of IP address.

Answer 1

pool

Question 2

The process by which the client obtains the IP address is called _____.

Answer 2

DORA

Question 3

A scope is a range of IP addresses that a DHCP server can lease out to…?

Answer 3

DHCP clients

Question 4

The IP addresses are leased for a specific Time to Live (TTL), usually ____ days.

Answer 4

three days

Question 5

Information about scopes and leased IP addresses is stored in the ____ ____ on the DHCP server.

Answer 5

DHCP database

Question 6

The values for IP address scopes created on DHCP servers must be taken from the ___ ___ of IP addresses allocated to the network.

Answer 6

available pool

Question 7

The starting and ending IP addresses should be excluded from the scope to stop DHCP from leasing out the IP addresses of the _____ IP addresses that are used on the network.

Answer 7

static

Question 8

Administrators can create a pool of static IP addresses within a scope by excluding them from the DHCP pool. This allows administrators to set aside IP addresses for use by ___ or ___ requiring static IP addresses.

Answer 8

printers or servers

Question 9

Errors in _____ the DHCP scope are a common reason for problems in establishing communication on TCP/IP networks.

Answer 9

configuring

Question 10

DHCP servers do not share their database of leased IP addresses, so if your network has more than one DHCP server, be sure that their DHCP scopes do not _____.

Answer 10

do not overlap

Question 11

What information is required to set up a scope?

Answer 11

• The name of the scope
• A description of the scope (optional),
• The starting and ending IP addresses of the scope.
• The subnet mask for the scope to be assigned.

Question 12

A DHCP lease is the ____ for which a DHCP server loans an IP address to a DHCP client.

Answer 12

duration

Question 13

If your TCP/IP network configuration ___ ____ ____ or if you have more than enough IP addresses in your assigned IP address pool, you can increase the DHCP lease considerably beyond its default value of three days

Answer 13

doesn’t change often

Question 14

DHCP clients obtain a DHCP lease for an IP address, a subnet mask, and various DHCP options from DHCP servers in a four-step process called:

Answer 14

DORA

Question 15

What does DORA stand for?

Answer 15

Discover
Offer
Request
Acknowledge

Question 16

What does DHCP DISCOVER do?

Answer 16

The client broadcasts a request for a DHCP server.

Question 17

What does DHCP OFFER do?

Answer 17

DHCP servers on the network offer an address to the client.

Question 18

What does DHCP REQUEST do?

Answer 18

The client broadcasts a request to lease an address from one of the
offering DHCP servers.

Question 19

What does DHCP ACK do?

Answer 19

The DHCP server that the client responds to acknowledges the client, assigns it any configured DHCP options, and updates its DHCP database. The client then initializes and binds its TCP/IP protocol stack and can begin network communication.

Question 20

A client computer configured to use DHCP, leases an IP address during the ____ ____ when networking is initialized.

Answer 20

boot process