CCNA Data Center Practice Test Results

Question 1
57% answer correctly
Which layer of the OSI model is associated with the reliable transmission of datagrams?
session
transmission
data link
network
datagram
transport
routing
Question 2
61% answer correctly
At which layer of the OSI model does TCP operate?
4
3
1
2
5
Question 3
82% answer correctly
Which transport protocol requires a three-way handshake to establish a new connection?
ARP
UDP
IP
TCP