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MCSA 70-741 > DHCP > Flashcards

DHCP Flashcards

1
Q

What are the steps involved in a DHCP exchange between a client and the DHCP server?

A
  1. DHCP Discover message from client
  2. DHCP Offer from DHCP server
  3. DHCP Request from client
  4. DHCP Acknowledgement from server
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2
Q

What is accomplished by using the DHCP Post-Install configuration wizard?

A
  1. The creation of DHCP related security groups in AD.

2. Authorization of the DHCP server on the target computer

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3
Q

What is a DHCP Scope?

A

A DHCP Scope contains a pool of IP addresses.

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4
Q

What command brings up DHCP Manager from the Start Menu’s search box?

A

dhcpmgmt.msc

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5
Q

How do clients renew their DHCP lease?

A
  1. After 50% of the configured lease duration, the client sends out a DHCP Request (Step 3 in the process) and the DHCP servers responds with a DHCP Acknowledgement (Step 4).
  2. After a client reboots, proceeds with Steps 3 and 4.
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6
Q

What protocol is the predecessor to DHCP and is used by WireShark to view DHCP messages?

A

bootp

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7
Q

A DHCP reservation needs to be within the range of a scope. True or False?

A

True.

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8
Q

What details is required when preparing a reservation for a client?

A

The client’s MAC address and the IP address being reserved.

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9
Q

What three levels can DHCP Options be applied?

A

At the server level, the scope level, and the reservation level.

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10
Q

An option applied at the “Server” level can be inherited by both scopes and reservations in those scopes. True or false?

A

True.

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11
Q

What command can be used to apply a new option that is assigned to an existing reservation, scope, or DHCP server?

A

Set-DhcpServerv4OptionValue

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12
Q

What is the Routing and Remote Access Service?

A

Introduced in Windows Server 2012, RRAS allows a server to act as a router by routing packets between different networks that the server is connected to.

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13
Q

Which Role in the “Roles and Features” Wizard allows you to install the Routing and Remote Access Service?

A

Remote Access.

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14
Q

How do you configure a server to act as a DHCP Relay Agent?

A
  1. Install RRAS on the server (Remote Access Role).
  2. Within the Routing and Remote Access console, r-click on General under IPv4 and select “New Routing Protocol” and select “DHCP Relay Agent”.
  3. Within the properties of the DHCP Relay Agent, set the IP address of the DHCP server that the Agent will be sending packets to.
  4. R-click on the DHCP Relay Agent and create a “New Interface” on the DHCP Relay Agent and select the interface that the Agent will be listening on for DHCP Discover messages.
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15
Q

What is the importance of the “giaddr” field in a DHCP message?

A

Contains the source IP address of the DHCP Client which assists the DHCP Server in choosing the correct Scope.

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16
Q

What command can be used to view the IPv4 Routing Table?

A

route print.

17
Q

To assist in the relaying of DHCP messages, a static route to outside networks is required when the default gateway does not have route already cached. What is the command to create a new static route?

A

route add “network id ex. 10.0.0.0” mask “ex. 255.255.255.0” next hop IP “ex. 192.168.1.102” -p

-p configures the route to be a persistent route.

18
Q

What command enables DHCP Dynamic Updates to DNS?

A

Set-DhcpServerv4DNSSettings

19
Q

The DHCP IPv4 feature of DNS Name Protection is enabled by default. True or False?

A

False.

20
Q

What does PXE stand for?

A

Preboot eXecution Environment

21
Q

What does WDS stand for?

A

Windows Deployment Service (Role).

22
Q

What DHCP options contain the server that a client connects with to obtain boot images and the boot image name in support of PXE?

A

Option 66 is the server that contains the PXE boot images and option 67 contains the boot image name.

23
Q

What key is used to perform a PXE boot?

A

F12

24
Q

What are the 4 key ingredients to perform a PXE Boot?

A
  1. DHCP Options 66 (WDS Server) & 67 (Boot Image Name) configured on the appropriate network (scope) using DHCP Manager.
  2. Functioning DNS Server to resolve names
  3. WDS configured on a server with the boot and install image ready.
  4. Client connected to network to pull images.
25
Q

What is a Superscope?

A

A superscope is a group or container that contains multiple scopes.

26
Q

What is DHCP Option 003?

A

Router

27
Q

What is DHCP Option 006?

A

DNS Server

28
Q

What is DHCP Option 015?

A

Domain name

29
Q

What is DHCP Option 044?

A

NetBIOS Name server

30
Q

What is DHCP Option 046?

A

NetBIOS node type

31
Q

What is DHCP Option 082?

A

DHCP Relay Agent Information

32
Q

How do you install a DHCP server if you want it to be automatically authorized?

A

Install the DHCP server on a domain controller.

MCSA 70-741 (21 decks)

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