Day 28

1. DHCP states for clients include? (choose all that apply)

Selecting

Initialising

Bound

Forwarding

Requesting

Blocking

Question 1 of 14

2. Inside the defined DHCP scopes you can configure a number of parameters, such as? (choose all that apply)

IP address range

WINS server

Lease duration

DNS server

HTTP server

NAT range

Question 2 of 14

3. If you wanted to set the router as the NTP server you would add which command?

R1(config)#ntp primary

R1(config)#ntp master

R1(config)#ntp auto

R1(config)#ntp desirable

R1(config)#ntp priority 255

Question 3 of 14

4. An IP address can be leased via DHCP for minutes or hours but not days.

True

False

Question 4 of 14

5. Network Time Protocol runs on the network over ___?

CDP

ICMP

SSH

TCP

UDP

Question 5 of 14

6. DNS maps IP addresses to hostnames.

True

False

Question 6 of 14

7. Which command will exclude an IP address from your DHCP pool?

Router(config)#ip dhcp excluded-address 192.168.1.1

Router(config-router)#ip dhcp excluded-address 192.168.1.1

Router(config-dhcp)#ip dhcp excluded-address 192.168.1.1

Router(config)#ip dhcp exclude 192.168.1.1

Question 7 of 14

8. When the host first boots up, if it has been configured to use DHCP (which most hosts are), it will send a multicast message asking for IP information to be allocated.

False

True

Question 8 of 14

9. To verify the clients currently served by the router DHCP server, you can use the command?

Router#show dhcp binding

Router#show ip dhcp binding

Router#show ip dhcp clients

Router#show binding

Question 9 of 14

10. If your DHCP server is on a different subnet to the host then you must add which command to the router?

dhcp helper-address

dhcp server address 1.1.1.1

dhcp helper 1.1.1.1

ip helper-address

Question 10 of 14

11. DHCP actually uses ___ ports ___ and ___ to communicate over the network. Choose two.

67,68

68,69

UDP

TCP

Question 11 of 14

12. You can debug DNS on the router with the _______ command.

debug port 53

debug domain

debug ip name

debug dns

Question 12 of 14

13. DHCP states for clients include? (choose all that apply)

Unbinding

Renewing

Rebinding

Refreshing

Question 13 of 14

14. DHCP Ack packet: The DHCP server sends another broadcast message to confirm the IP address allocation to that specific client, again using UDP source port _____ and destination port _____. (choose two)

bootpc 68

bootpc 69

bootps 67

bootx 67

boot 68

Question 14 of 14