Deck 7: Ip Address Auto Configuration

Question 1

What was developed in the 1970s as a way to provide sufficient network access so diskless workstations could access startup information across the network, instead of reading it from a local disk drive?

A)TCP/IP
B)WINS
C)DHCP
D)BOOTP

Answer 1

D

Question 2

In a DHCP Discover packet, what is the client identifier field based on?

A)Client GUID
B)Computer name
C)IP address
D)MAC address

Answer 2

D

Question 3

Which of the following DHCP processes relies heavily on broadcasts, but most routers do not forward broadcasts?

A)discovery
B)lease
C)request
D)boot

Answer 3

D

Question 4

Clients have static IP addresses because their DNS entries must stay consistent.
Indicate the answer choice that best completes the statement or answers the question.

Question 5

If no DHCP server is present in some broadcast domain, which of the following special pieces of software must be present in that broadcast domain?

A)broadcast bit
B)address pool
C)DHCP relay agent
D)address scope

Question 6

When a DHCP client boots up, which of the following will it perform in order to enable it to communicate on the network.

A)Standard Address Discovery
B)Standard Client Discovery
C)Standard Router Discovery
D)Standard Packet Discovery

Question 7

Which of the following is a service that provides a way for a client computer that lacks an IP address assignment to request one from any listening DHCP server - without the help of an administrator?

A)TCP/IP
B)DHCP
C)BOOTP
D)PING

Question 8

Which of the following is enabled at a client machine when you select the Obtain an IP address automatically option in the Internet Protocol (TCP/IP) Properties window?

A)DHCP relay agent
B)DHCP server
C)DHCP client
D)DHCP router

Question 9

Which of the following terms is defined as the time that the client begins to broadcast a renewal request for an extended lease time from another DHCP server.

A)R1
B)T2
C)T1
D)R2

Question 10

Which of the following includes the IP address that is offered to the client and, sometimes, answers to the requested options in the DHCP Discover packet.

A)Acknowledgment packet
B)Offer packet
C)Request packet
D)Discover packet

Question 11

Which of the following use dynamic IP addresses because they initiate the connections to the servers, and the servers simply respond to the clients based on the clients' IP addresses?

A)Clients
B)Routers
C)IP gateways
D)Servers

Question 12

DHCP delivers the necessary configuration information to clients to tell them the addresses of their IP gateways.

Question 13

Which of the following is sent from the server to the client to indicate the completion of the four-packet DHCP Discovery process?

A)Acknowledgment packet
B)Offer packet
C)Request packet
D)Discover packet

Question 14

Clients ordinarily attempt to renew existing releases by default, but you can instruct a DHCP server to deny lease renewals, or even cancel leases, when necessary.

Question 15

Which of the following DHCP creations does Microsoft Windows Server 2012 R2 support?

A)VoIP
B)class
C)superscope
D)router

Question 16

Which of the following types of DHCP software intercepts address requests on a local cable segment and repackage those requests as a unicast to one or more DHCP servers?

A)relay agent
B)cluster
C)client
D)router

Question 17

Which of the following is used to assign addresses to clients or other machines when fixed IP addresses are not required?

A)dynamic address lease
B)manual address lease
C)IP gateway
D)discovery broadcast

Question 18

DHCP can exclude individual addresses or address ranges from dynamic allocation to client machines.

Question 19

The DHCP specification, RFC 2131, defines the default value for T1 as:
0.95 * duration_of_lease

Question 20

Which of the following terms is defined as the time that the client tries to renew its network address by contacting the DHCP server that sent the original address to the client?

A)R1
B)T2
C)T1
D)R2

Question 21

Match each item with a statement below.
a.dynamic address lease
b.renewal process
c.release
d.relay agent process
e.DHCP Discovery
f.stateful autoconfiguration
g.preferred address
h.Stateless autoconfiguration
i.DHCP options
A method allowing nodes to automatically configure an IPv6 address without manual configuration

Question 22

Which of the following fields contains the address being offered by the DHCP server?

A)Your IP Address
B)Hops
C)Flags
D)Transaction ID Number

Question 23

The DHCP ___________ packet is sent from the server to the client to indicate the completion of the four-packet Discovery process.

Question 24

With which of the following devices may the administrator explicitly assigns an IP address manually by associating a client's hardware address with a specific IP address to be leased to that client?

A)dynamic address lease
B)manual address lease
C)IP gateway
D)discovery broadcast

Question 25

Match each item with a statement below.
a.dynamic address lease
b.renewal process
c.release
d.relay agent process
e.DHCP Discovery
f.stateful autoconfiguration
g.preferred address
h.Stateless autoconfiguration
i.DHCP options
A process that forwards DHCP broadcasts as unicasts directed to a remote DHCP server

Question 26

During the DHCP Discovery process, the client broadcasts a Discover packet that identifies the client's ____________________.

Question 27

Match each item with a statement below.
a.dynamic address lease
b.renewal process
c.release
d.relay agent process
e.DHCP Discovery
f.stateful autoconfiguration
g.preferred address
h.Stateless autoconfiguration
i.DHCP options
The four-packet sequence used to obtain an IP address, lease time, and configuration parameters

Question 28

____________________ are a collection of scopes that contain sets of non-consecutive IP addresses that can be assigned to a single network.

Question 29

DHCP traces its origins back to an earlier protocol named ____________________.

Question 30

Which of the following have static IP addresses because their addresses are key parts of any subnet's IP configuration?

A)Clients
B)Relay agents
C)Broadcast bits
D)Routers
Enter the appropriate word(s) to complete the statement.

Question 31

Match each item with a statement below.
a.dynamic address lease
b.renewal process
c.release
d.relay agent process
e.DHCP Discovery
f.stateful autoconfiguration
g.preferred address
h.Stateless autoconfiguration
i.DHCP options
Parameter and configuration information that defines what the DHCP client is looking for

Question 32

DHCP servers can manage one or more ranges of IP addresses, each of which may be called what?

A)address pool
B)relay agent
C)release
D)local agent

Question 33

Match each item with a statement below.
a.dynamic address lease
b.renewal process
c.release
d.relay agent process
e.DHCP Discovery
f.stateful autoconfiguration
g.preferred address
h.Stateless autoconfiguration
i.DHCP options
To deactivate an IP address on a client

Question 34

Which of the following fields contains a random number selected by the client and is used to match requests and responses between the client and server?

A)Your IP Address
B)Hops
C)Flags
D)Transaction ID Number

Question 35

Match each item with a statement below.
a.dynamic address lease
b.renewal process
c.release
d.relay agent process
e.DHCP Discovery
f.stateful autoconfiguration
g.preferred address
h.Stateless autoconfiguration
i.DHCP options
The process of getting another lease time period for an IP address

Question 36

The command ____________________ , in the IPCONFIG utility, releases the IP address for the specified adapter.

Question 37

Which of the following fields is set to 0 by the client and may be used by relay agents as they assist a client in obtaining an IP address and/or configuration information?

A)Hardware field
B)Hops field
C)Flags field
D)Transaction ID Number field

Question 38

Match each item with a statement below.
a.dynamic address lease
b.renewal process
c.release
d.relay agent process
e.DHCP Discovery
f.stateful autoconfiguration
g.preferred address
h.Stateless autoconfiguration
i.DHCP options
A method for providing IPv6 address assignments by a DHCPv6-enabled server

Question 39

Match each item with a statement below.
a.dynamic address lease
b.renewal process
c.release
d.relay agent process
e.DHCP Discovery
f.stateful autoconfiguration
g.preferred address
h.Stateless autoconfiguration
i.DHCP options
An address the DHCP client remembers from the previous network session

Question 40

Match each item with a statement below.
a.dynamic address lease
b.renewal process
c.release
d.relay agent process
e.DHCP Discovery
f.stateful autoconfiguration
g.preferred address
h.Stateless autoconfiguration
i.DHCP options
A type of DHCP address lease in which each address allocation comes with an expiration timeout so address leases must be renewed before expiration occurs

Question 41

What is the difference between the Operation Code (OPCODE) field and the Hardware Type Field?

Question 42

What is the difference between the DHCP server software and the DHCP client software?

Question 43

List the message types used by the DHCP boot sequence.

Question 44

What are the most significant differences of DHCPv6 from earlier versions?

Question 45

List the four packets used by DHCP Discovery.

Question 46

What is the difference between a manual address lease and a dynamic address lease?

Question 47

Briefly describe how to combine stateful and stateless address autoconfiguration.

Question 48

Provide a brief description of how DHCP works from a client's perspective.

Question 49

How do the lengths of leases vary?

Question 50

How does DHCP integrate with DNS?