CCNA Routing and Switching Practice Test Results

Question 1
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?
10.10.1.0/24 subnetted with mask 255.255.255.252
10.10.1.0/25 subnetted with mask 255.255.255.252
10.10.0.0/16 subnetted with mask 255.255.255.252
10.10.0.0/18 subnetted with mask 255.255.255.252
10.10.0.0/23 subnetted with mask 255.255.255.252
Question 2
34% answer correctly
Which IPsec security protocol should be used when confidentiality is required?
ESP
AH
PSK
MD5
SHA1
Question 3
56% answer correctly
A network administrator receives an error message while trying to configure the Ethernet interface of a router with IP address 10.24.24.24/29. Which statement explains the reason for this issue?
This address is a network address.
The Ethernet interface is faulty.
VLSM-capable routing protocols must be enabled first on the router.
This address is a broadcast address