CCNA 2020: NTP, DNS, & DHCP
Sequence the steps to configure a Cisco IOS DHCP server - correct answer ✔✔1. Exclude IP addresses
from the DHCP assignment
2. Enter the DHCP pool config mode
3. Assign DHCP Parameters to DHCP pool
Which statements accurately describe DNS - correct answer ✔✔It resolves hostnames into IP addresses
It uses a hierarchy to manage its distributed database system
You're setting up a new network. Within your network, host computers need to be able to reach hosts on
Internet by using readable names and converting them to numeric addresses. Which protocol needs to
be configured on the router - correct answer ✔✔DNS
Configure NTP on switch - correct answer ✔✔SW1(config)#ntp server 209.165.201.16
What command is used to enable the DNS server on a Cisco device - correct answer ✔✔ip dns server
You have been tasked iwth configuring a centralized DHCP server solution. Which command needs to be
entered on the Cisco device to configure a DHCP relay agent - correct answer ✔✔ip helper-address ip-
address
You configured DHCP to dynamically allocate IP addresses. Which of the following is the first step of the
DHCP process for configuring clients - correct answer ✔✔DHCP discover
What global config commands are used to sync NTP to stratum 1 and allow max of assocations - correct
answer ✔✔ntp master 1
ntp max-associations 10
Sequence the steps to configure a Cisco IOS DHCP server - correct answer ✔✔1. Exclude IP addresses
from the DHCP assignment
2. Enter the DHCP pool config mode
3. Assign DHCP Parameters to DHCP pool
Which statements accurately describe DNS - correct answer ✔✔It resolves hostnames into IP addresses
It uses a hierarchy to manage its distributed database system
You're setting up a new network. Within your network, host computers need to be able to reach hosts on
Internet by using readable names and converting them to numeric addresses. Which protocol needs to
be configured on the router - correct answer ✔✔DNS
Configure NTP on switch - correct answer ✔✔SW1(config)#ntp server 209.165.201.16
What command is used to enable the DNS server on a Cisco device - correct answer ✔✔ip dns server
You have been tasked iwth configuring a centralized DHCP server solution. Which command needs to be
entered on the Cisco device to configure a DHCP relay agent - correct answer ✔✔ip helper-address ip-
address
You configured DHCP to dynamically allocate IP addresses. Which of the following is the first step of the
DHCP process for configuring clients - correct answer ✔✔DHCP discover
What global config commands are used to sync NTP to stratum 1 and allow max of assocations - correct
answer ✔✔ntp master 1
ntp max-associations 10
