DHCP 3 Flashcards

1
Q

What are the default Preferred and Valid Lifetime values for IPv6 Scope Leases

A

8 days for Preferred and 12 days for Valid.

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2
Q

What is a DHCP Split Scope?

A

A DHCP Split Scope is when two DHCP Servers are configured with the same scope for High Availability deployments.

This configuration requires manual administration.

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3
Q

What are two methods for DHCP Failover with replication between failover partners?

A

Load sharing and Hot Standby

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4
Q

DHCP Failover is configured on a _________ basis.

A

Scope-by-scope

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5
Q

In regards to DHCP options, what precedence would Classes fall under?

A

Class options take precedence over server and scope options but not reservation options.

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6
Q

Which ipconfig option is used to assign a user class to a client?

A

/setclassid

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7
Q

How often do DHCP backups occur by default?

A

Every hour.

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8
Q

Where can you go to find where the database path and backup path for a DHCP server?

A

R-click on the DHCP server and selecting Properties.

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9
Q

What is the main database file for DHCP?

A

dhcp.mdb

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10
Q

What are the backup and restore comdlets for DHCP?

A

Backup-DhcpServer and Restore-DhcpServer

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11
Q

What the export and import cmdlets for DHCP?

A

Export-DhcpServer and Import-DhcpServer

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12
Q

A restoration of the DHCP database requires a restart of the DHCP service. True or false?

A

True.

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13
Q

What value would need to be modified to allow the status to return to normal more quickly after connectivity is restored between DHCP failover peers?

A

Maximum Client Lead Time

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14
Q

By default, the Allow and Deny list for IPv4 Link Layer Filtering is set to _________.

A

Disabled and empty.

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15
Q

What level does DHCP MAC Address filtering take place?

A

The server level. MAC addresses will take place for all scopes and IPs in that IP Address family.

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16
Q

If the DHCP service is not running, _______ would not be displayed?

A

Scope information below the IPv4 object.

17
Q

What is the PowerShell command that can be used to increase the range of an existing scope?

A

Set-DhcpServerv4Scope -ScopeId “Network ID; 10.0.0.0” -StartRange “Starting IP; 10.0.0.11” -EndRange “Ending IP; 10.0.0.254”

18
Q

Where do you go to configure Conflict Detection and what is the maximum value it can be set to?

A

Right click on IPv4/IPv6 and select Properties and the Advanced tab.

5.

19
Q

What is Conflict Detection?

A

Before a DHCP server hands out an IP address, it pings that IP address to check if it is in use.

20
Q

How do you check to make sure the registry and DHCP Server are in sync?

A

Right click on IPv4 or on specific scope and select Reconcile.

21
Q

How do you sync the registry and DHCP server in PowerShell?

A

Reconcile-DhcpServerv4IPRecord -ScopeId “Network of scope”

Repair-DhcpServerv4IPRecord -ScopeId “Network of Scope”

22
Q

Where can configure the interfaces that a DHCP server will/will not listen on?

A

In the Advanced tab in IPv4 properties, you’ll select Bindings.

23
Q

What icon appears if the DHCP server is not authorized?

A

A server with a red down arrow

24
Q

What icon appears if the available scopes on the DHCP server have less than 10% of available addresses remaining?

A

A server with a yellow triangle and exclamation point

25
Q

What icon appears if no addresses can be leased from server scopes due to 100% of addresses being allocated?

A

A server with a blue circle and exclamation point

26
Q

What icon appears if a scope or superscope is inactive?

A

A folder with a red down arrow

27
Q

What icon appears if a scope or superscope has 10% or less of its addresses available to lease to clients?

A

A folder with a yellow triangle and exclamation point

28
Q

What icon appears if a scope has leased out all of its IP addresses?

A

A folder with a blue circle and exclamation point

29
Q

What icon appears if an individual lease has expired?

A

A computer and monitor with a red X

30
Q

What icon appears if the DHCP server is running but the connected user does not have administrative rights?

A

A server with a red “minus” sign