What problems was Spanning Tree Protocol (STP) primarily designed to solve? (Choose two):

• A.Handling collisions.
• B.Preventing loops.
• C.Providing path redundancy.
• D.Allowing flooding of multicast traffic.

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If a customer requires a point-to-point layer 2 VPN service between two locations which VPN service would be typically suited for this customer?

• A.Virtual Private Dark Fiber Service.
• B.Virtual Private LAN Service.
• C.Virtual Private Routed Networks.
• D.Virtual Private Wire Service .

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If a customer requires a point-to-point layer 2 VPN service between two locations which VPN service would be typically suited for this customer?

• A.Virtual Private Wire Service .
• B.Virtual Private LAN Service.
• C.Virtual Private Routed Networks.
• D.Virtual Private Dark Fiber Service.

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Which technologies can be used with Ethernet switches to achieve redundancy? (Choose two)

• A.OSPF
• B.STP
• C.RIP
• D.LAG

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Complete the following sentence: The introduction of the subnet address added another:

• A.Layer of hierarchy in the addressing structure.
• B.Class to the classful addressing system.
• C.16-bit number to accompany the IP address.
• D.4,294,967,296 addresses to the IP address space.

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