What are two advantages of using star topology rather than ring topology in a computer lab workgroup? (Choose two.)

• A.A cable problem within the group affects two nodes, at most.
• B.A central connection point allows for flexibility and scalability.
• C.Data travels on redundant paths, so one cable cannot stop its transmission.
• D.Failure of a central connectivity device does not bring down the entire network.

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A Media Access Control (MAC) address identifies a/an:

• A.UPnP device.
• B.local broadcast domain.
• C.local area network (LAN).
• D.network interface card (NIC).

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Which wireless communication problem is caused by electromagnetic waves?

• A.Fading
• B.Attenuation
• C.Interference
• D.Diffraction

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What service on a Windows network is used to translate between NetBIOS names/computer names and IP addresses?

• A.WINS
• B.LDAP
• C.DNS
• D.DHCP

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

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

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