Refer to the exhibit. The server for the finance department is not reachable consistently on the 200.30.40.0/24 network and after every second month it gets a new IP address. What two actions must be taken to resolve this issue? (Choose two.)
A.
Configure the server to use DHCP on the network with default gateway 200.30.40.100.
B.
Configure the server with a static IP address and default gateway.
C.
Configure the router to exclude a server IP address.
D.
Configure the server to use DHCP on the network with default gateway 200.30.30.100.
E.
Configure the router to exclude a server IP address and default gateway.
The given answer is correct. The default gateway's address is automatically reserved when the DHCP pool is created.
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipaddr_dhcp/configuration/12-4/dhcp-12-4-book/config-dhcp-server.html
The issue is that "The IP address configured on the router interface is automatically excluded from the DHCP address pool." but 200.30.40.100 could be on a different router. Also, what if the def.gw. is a HSRP address? The DHCP server and the def. gw. don't have to be the same device.
So it could be either BC or BE. I'd say we have to toss a coin.
E is wrong. Default gateway is automatically excluded from the DHCP address pool. No need to configure.
Excluding IP Addresses
Perform this task to specify IP addresses (excluded addresses) that the DHCP server should not assign to clients.
The IP address configured on the router interface is automatically excluded from the DHCP address pool. The DHCP server assumes that all other IP addresses in a DHCP address pool subnet are available for assigning to DHCP clients.
https://www.cisco.com/en/US/docs/ios/12_4t/ip_addr/configuration/guide/htdhcpsv.html#wp1046221
I choose BE. Because DHCP determine which pool to assign either by the incoming interface of DHCP request for directly connected case or if it is a DHCP relay, the discover will carry the incoming address of the relay server receiving this DHCP discover request or an option 82 field, then the DHCP server shall use either field to determine which pool to assign. The default gateway in this config may not be the interface of the DHCP server (connected case) or the giaddr of the relay server which will be automatically excluded.
BC,
When configuring dhcp pool the address of the default router is reserved automatically.
The exhibit does not present enough information to infer that the address configured in the pool is that of a standalone DHCP server.
Sorry team, in my previous answer, I tried this in my laboratory, and the correct answer is B and C, because only the server ip has to be excluded. The "E" is not correct, because automatically when we configure the default-router that available address is automatically excluded. The "E" is not correct. I tested this in my lab. Correct option is B and C
Sorry team, in my previous answer, I tried this in my laboratory, and the correct answer is B and C, because only the server ip has to be excluded. The "E" is not correct, because automatically when we configure the default-router that available address is automatically excluded. The "E" is not correct. I tested this in my lab. Correct option is B and C
From the question, it is not mentioned if this device is a router or a layer 3 switch, also there is no info as per if the gateway is on an interface of this device, hence the gateway can be on any device, and this device is only used as dhcp server. So I will suggest C and E
Answer is BC. E is not applicable, as the DHCP pool could still be utilized by other devices and removing the default gateway will cause connectivity issues on those devices.
The question didn't say the DHCP router is the gateway as well. Excluding the gateway IP is a good idea especially the DHCP server is not in the same segment as the client
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