200-120 Exam Question

Question No: 1

At which layer of the OSI model does IPsec operate?

A. network

B. transport

C. session

D. application

Answer: A

Explanation:

 IPsec operates at the network layer of the OSI model. Not the Transport layer (there is only 2 protocols that operate at the transport layer- TCP and UDP)

Question No: 2

On point-to-point networks, OSPF hello packets are addressed to which address?

A. 127.0.0.1

B. 172.16.0.1

C. 192.168.0.5

D. 223.0.0.1

E. 224.0.0.5

F. 254.255.255.255

Answer: E