DHCP 3 Flashcards
What are the default Preferred and Valid Lifetime values for IPv6 Scope Leases
8 days for Preferred and 12 days for Valid.
What is a DHCP Split Scope?
A DHCP Split Scope is when two DHCP Servers are configured with the same scope for High Availability deployments.
This configuration requires manual administration.
What are two methods for DHCP Failover with replication between failover partners?
Load sharing and Hot Standby
DHCP Failover is configured on a _________ basis.
Scope-by-scope
In regards to DHCP options, what precedence would Classes fall under?
Class options take precedence over server and scope options but not reservation options.
Which ipconfig option is used to assign a user class to a client?
/setclassid
How often do DHCP backups occur by default?
Every hour.
Where can you go to find where the database path and backup path for a DHCP server?
R-click on the DHCP server and selecting Properties.
What is the main database file for DHCP?
dhcp.mdb
What are the backup and restore comdlets for DHCP?
Backup-DhcpServer and Restore-DhcpServer
What the export and import cmdlets for DHCP?
Export-DhcpServer and Import-DhcpServer
A restoration of the DHCP database requires a restart of the DHCP service. True or false?
True.
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?
Maximum Client Lead Time
By default, the Allow and Deny list for IPv4 Link Layer Filtering is set to _________.
Disabled and empty.
What level does DHCP MAC Address filtering take place?
The server level. MAC addresses will take place for all scopes and IPs in that IP Address family.
If the DHCP service is not running, _______ would not be displayed?
Scope information below the IPv4 object.
What is the PowerShell command that can be used to increase the range of an existing scope?
Set-DhcpServerv4Scope -ScopeId “Network ID; 10.0.0.0” -StartRange “Starting IP; 10.0.0.11” -EndRange “Ending IP; 10.0.0.254”
Where do you go to configure Conflict Detection and what is the maximum value it can be set to?
Right click on IPv4/IPv6 and select Properties and the Advanced tab.
5.
What is Conflict Detection?
Before a DHCP server hands out an IP address, it pings that IP address to check if it is in use.
How do you check to make sure the registry and DHCP Server are in sync?
Right click on IPv4 or on specific scope and select Reconcile.
How do you sync the registry and DHCP server in PowerShell?
Reconcile-DhcpServerv4IPRecord -ScopeId “Network of scope”
Repair-DhcpServerv4IPRecord -ScopeId “Network of Scope”
Where can configure the interfaces that a DHCP server will/will not listen on?
In the Advanced tab in IPv4 properties, you’ll select Bindings.
What icon appears if the DHCP server is not authorized?
A server with a red down arrow
What icon appears if the available scopes on the DHCP server have less than 10% of available addresses remaining?
A server with a yellow triangle and exclamation point
What icon appears if no addresses can be leased from server scopes due to 100% of addresses being allocated?
A server with a blue circle and exclamation point
What icon appears if a scope or superscope is inactive?
A folder with a red down arrow
What icon appears if a scope or superscope has 10% or less of its addresses available to lease to clients?
A folder with a yellow triangle and exclamation point
What icon appears if a scope has leased out all of its IP addresses?
A folder with a blue circle and exclamation point
What icon appears if an individual lease has expired?
A computer and monitor with a red X
What icon appears if the DHCP server is running but the connected user does not have administrative rights?
A server with a red “minus” sign
