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32 Cards in this Set

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  • Back
What is the leading bit pattern of a Class A address?
0
What is the leading bit pattern of a Class B address?
10
What is the leading bit pattern of a Class C address?
110
What is the range of Class A addresses?
1.0.0.0 - 126.255.255.255
What is the range of Class B addresses?
128.0.0.1 - 191.255.255.255
What is the range of Class C addresses?
192.0.0.1 - 223.255.255.255
What is the maximum number of Class A networks?
127
What is the maximum number of Class B networks?
16 thousand
What is the maximum number of Class C networks?
2 million
What is the maximum number of nodes on a Class A network?
16 million
What is the maximum number of nodes on a Class B network?
65 thousand
What is the maximum number of nodes on a Class C network?
254
What does a network address of all zeroes indicate?
the local network
What does a network address of all ones indicate?
all networks
What does a node address of all zeroes indicate?
the local machine
What does a node address of all ones indicate?
all nodes on a specified network
How does subnetting reduce the routing table size for internal routers?
routers only need to know addresses for hosts on their subnets and the network addresses for other subnets, rather than for all hosts
What does ARP do?
maps a MAC address to an IP address
Does authorization prevent all rogue DHCP servers from handing out addresses?
no- only 2000 DHCP servers will check to see if they are authorized
Who is allowed to authorize DHCP servers
only Enterprise Admins
How does a 2000 DHCP server determine if it is authorized?
it sends a DHCPINFORM message to AD at startup and periodically afterward
What two pieces of information are necessary to create a scope?
a range of IP addresses, and a subnet mask
How can a subnet mask be changed after creating a scope?
it can't- the scope must be deleted and recreated
Why can't DHCP servers on one segment normally service DHCP requests on other segments?
DHCP requests are broadcasts, which do not cross routers
What DHCP task can DHCP Administrators not perform?
authorizing a DHCP server
What permission do DHCP Users have?

Who might be placed in this group?
the ability to view information provided by DHCP servers- 1st level support may be placed in this group
What command is used to assign a client to a DHCP class?
ipconfig /setclassid
What is a multicast?
a data transmission where data is sent once, but recieved by many systems listening to a multicast address
What are multicasts normally used for?
streaming media
What requirement must be met for an application to get a MADCAP address?
it must support the MADCAP API
How is the DCHP database backed up?
stop the DHCP service, copy the DCHP directory, and back up HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DHCPServer
Can a DHCP scope be extended after creation?
yes