Which of the following best describes a hub?

• A.A device that receives and retransmits data based on the Layer 3 destination address.
• B.A device that receives and retransmits data based on the Layer 2 destination address.
• C.A device that receives and retransmits data without Layer 2 header inspection.
• D.A passive device used to connect cables without signal amplification.

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Which transport protocol and port number is used by BGP to establish and maintain a peering session with other BGP speakers?

• A.UDP port 179.
• B.TCP port 22.
• C.UDP port 22.
• D.TCP port 179.

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Which transport protocol and port number is used by BGP to establish and maintain a peering session with
other BGP speakers?

• A.UDP port 179.
• B.TCP port 179.
• C.UDP port 22.
• D.TCP port 22.

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Which of the following describes the Nokia 7750 SR Input/Output Module (IOM)?

• A.Contains a CPU for managing the forwarding hardware in each flexible fast path.
• B.Contains the CPU that runs the routing protocol software as well as the switch fabric.
• C.Small optical module available in a variety of formats.
• D.Converts traffic from an external standard format to an internal format.

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Which of the following routing protocols cannot be used between routers R2 and R4?

• A.Static Routing
• B.IS-IS
• C.OSPF
• D.iBGP
• E.eBGP

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