CCNA Data Center Practice Test Results

Question 1
61% answer correctly
At which layer of the OSI model does TCP operate?
4
2
3
5
1
Question 2
54% answer correctly
Which of the following is an example of an advanced distance vector routing protocol?
EIGRP
ARP
IS-IS
RIP
OSPF
Question 3
66% answer correctly
What is the subnet mask for the network 172.16.0.0/21?
255.255.255.248
255.255.255.0
255.255.248.240
255.255.248.0
255.255.255.240
255.255.0.0