21.
Routers are often used to implement FIREWALLS

22.
You are adding a new server to your network. The network uses TCP/IP. The new server will provide users with dial-up access to network resources. The data link communications protocol you choose for dial-up access must allow you to provide secure authentication. Which protocol should you choose?

23.
Maria needs to install software on a Windows NT Server computer which is a backup domain controller. When she attempts to log on to the server, she receives the message "Unable to log on locally". What must you do to enable Maria to log on to the server?

24.
Why does a high number of broadcast messages adversely affect overall network performance?

25.
You want to find out which users are currently using a specific directory on a Windows NT Server computer. How should you do this?

26.
Dynamic Host Configuration Protocol [DHCP]

27.
Bridges are ideally used in environments where there a number of well defined workgroups

28.
A company has a department that consists of 15 engineers. The engineers have data that needs to be accessible only to their own team. The department continually has engineers arriving and departing, and it is difficult to identify a single administrator for the department Which model would be the best for this situation?

29.
A one-way trust relationship has been established in which the RESEARCH domain trusts the TESTING domain. The Guest account is disabled in both domains. As a user belonging to a global group called Testers in the TESTING domain, you want to access a shared directory on a Windows NT Advanced Server in the RESEARCH domain. Which action would give you access?

30.
Assume that all users are members of the ACE domain and that most of the resources exist in the PUBS and CAD domains. You are a user with administrator rights in all domains. How would you allow users to access all of the resources, with a minimum set of trust relationships?