I've got some questions

Hello, I'm new here, I knew this site from Cisco Studying and found this site useful. I'm currently studying Cisco 1 so I still got long way to go to Cisco 4, I'm aiming for CCNA.

I got a questions and my answers for the questions here, I hope if you find my answer wrong, you can correct the answer for me. I'm doing a review for Cisco exams.

Which of the following would be a function of ICMP?

- It provides control and messaging capabilities.

What should a system administrator consider when assigning an IP address to a network server?

- Servers should have addresses assigned dynamically through a DHCP and Servers with periodically changed IP addresses have little effect on a network.


Does anyone know Which operations are performed by IP?

What does the sending device need to communicate with another local IP host?

- the IP address and MAC address of the destination device

Within a company's TCP/IP network, failure to access e-mail on a remote server has been diagnosed as a network access problem. Which of the following could be the cause?

- PPP and SMTP

Does anyone know the answer to this question ?

What steps must occur for devices to communicate between different physical network segments?

Any help and any corrections would be greatly appreciated.

Thanks