You have been hired by a manufacturing company that has had its network in place for many years. They currently have 50 computers connected to 10 Mbps hubs. You’ve been asked to upgrade the network. This long- overdue upgrade is necessary because of poor network response time caused by a lot of collisions occurring during long file transfers between clients and servers. How do you recommend upgrading this network? What interconnecting devices will you use, and what benefit will you get from using these devices? Write a short memo describing the upgrade

25. The client-server model in a computer network describes a) The interaction between a human and a computer where services are provided by the computer in response to requests initiated by the human. b) The relationship of cooperating computers where the server component provides services to one or many clients which initiate requests for such services. X c) The interaction between a computer and a network switch. d) The interaction of between a computer and a network router. e) All of the above

A small network is configured with several computers running Windows 7. File sharing among the computers is performed through HomeGroup. Recently, a laptop with Windows 7 is connected to the network but the user is unable to see shared files on other computers. What should be done?

A security engineer has been asked to close all non-secure connections from the corporate network. The engineer is attempting to understand why the corporate UTM will not allow users to download email via IMAPS. The engineer formulates a theory and begins testing by creating the firewall ID 58, and users are able to download emails correctly by using IMAP instead. The network comprises three VLANs:

The security engineer looks at the UTM firewall rules and finds the following:

Which of the following should the security engineer do to ensure IMAPS functions properly on the corporate user network?

Options:
A. Contact the email service provider and ask if the company IP is blocked.
B. Confirm the email server certificate is installed on the corporate computers.
C. Make sure the UTM certificate is imported on the corporate computers.
D. Create an IMAPS firewall rule to ensure email is allowed.