CCNA Routing and Switching Practice Test Results

Question 1
52% answer correctly
Which component of VPN technology ensures that data is unaltered between the sender and recipient?
key exchange
encryption
data integrity
authentication
Question 2
35% answer correctly
Which IPv6 address is valid?
2001:0db8:0:130H::87C:140B
2031:0:130F::9C0:876A:130B
2001:0db8:0000:130F:0000:0000:08GC:140B
2031::130F::9C0:876A:130B
Question 3
30% answer correctly
The network administrator is asked to configure 113 point-to-point links. Which IP addressing scheme best defines the address range and subnet mask that meet the requirement and waste the fewest subnet and host addresses?
10.10.0.0/23 subnetted with mask 255.255.255.252
10.10.1.0/25 subnetted with mask 255.255.255.252
10.10.0.0/18 subnetted with mask 255.255.255.252
10.10.1.0/24 subnetted with mask 255.255.255.252
10.10.0.0/16 subnetted with mask 255.255.255.252