What is an example of a network device that associates a network address with a port?

• A.Router
• B.Switch
• C.Hub
• D.DSL modem

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Which subnet mask is valid?

• A.255.255.255.240
• B.255.255.255.228
• C.255.255.255.164
• D.255.255.255.245

Correct Answer: A

Explanation/Reference:
These are valid:

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Which of the following uses a tunneling protocol?

• A.Internet
• B.VPN
• C.Extranet
• D.VLAN

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Which of these is an application layer protocol?

• A.TCP
• B.FTP
• C.IP
• D.UDP

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If a router is installed so that it separates a DHCP server from its clients, the clients will:

• A.Immediately lose connectivity to all segments.
• B.Immediately lose connectivity to the local segment.
• C.Be unable to obtain their leases from the server.
• D.Receive an immediate renewal of their lease.

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