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