CCNA Routing and Switching Practice Test Results

Question 1
43% answer correctly
Which form of NAT maps multiple private IP addresses to a single registered IP address by using different ports?
port loading
dynamic NAT
overloading
overlapping
static NAT
Question 2
64% answer correctly
What is the alternative notation for the IPv6 address B514:82C3:0000:0000:0029:EC7A:0000:EC72?
B514 : 82C3 :: 0029 : EC7A : EC72
B514 : 82C3 :: 0029 : EC7A : 0 : EC72
B514 : 82C3 : 0029 : EC7A : EC72
B514 : 82C3 : 0029 :: EC7A : 0000 : EC72
Question 3
52% answer correctly
Which component of VPN technology ensures that data is unaltered between the sender and recipient?
key exchange
data integrity
authentication
encryption