The users of Harry's company connect to his network from their homes using dial-up connection to the RRAS server running on Windows Server 2003. Users have no problem with the connection. Later on, he enabled callback for home users. After callback is enabled, users report that they are unable to maintain the RRAS connections. How should he allow the users to be able to maintain this connection using Callback?

Which of the following statements regarding routing protocols are correct?

An organization has been assigned the 172.16.0.0 subnet and uses 255.255.224.0 subnet mask. How many addresses are available for host addresses?

Jane is the network administrator for her company. Her network consists of one Windows Server 2003 hosting her domain, and clients on Windows XP, Windows 2000 and Windows NT 4.0 service pack 3. Security Templates (hisec.inf) have been configured for securing network. Later on, Windows NT users complain that they are unable to login to server. But other users have no problem in logging and accessing resources. What should she do?

Which of the following utility should be used so that roaming users can read their digital and secured mails from any location?

Which packet is forwarded by DHCP Relay Agent to DHCP Server on behalf of DHCP Clients?

Which of the following network devices generates more broadcast domains?

Which of the following is the feature of TCP/IP where large packets can be sent without waiting for positive acknowledgment?

Which of the following statements are true regarding shadow copies ?

Kate is the network administrator for a company. She is planning to use 172.16.0.0 address scheme for her network that consists of 1000 clients. Which of the following subnet mask should she use so that addresses should not go waste?

John is working as a network engineer in an ISP. His company's growth required a large setup in different locations that need multiple networks and implementing various networks thereon. He has estimated the network size of 500 subnets. Which routing protocol is recommended for such a scenario?