Which of the following are TRUE statements about the router ID in OSPF? (Choose two.)

• A.On the Nokia 7750 SR, the router ID is set to the highest logical IP address if router-id is not explicitly set.
• B.A router ID is not required by OSPF.
• C.The router ID is used to uniquely identify every OSPF router.
• D.The system address is used as the router ID if router-id is not set.

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A network with address 208.40.224.0/24 is divided into /28 subnets. What is the host address range of the fourth subnetwork?

• A.208.40.224.65 - 208.40.224.78
• B.208.40.224.49 - 208.40.224.62
• C.208.40.224.17 - 208.40.224.30
• D.208.40.224.33 - 208.40.224.46

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Which of the following is NOT a function of the control plane?

• A.Handling router configuration and management functions.
• B.Building routing tables using dynamic routing protocols.
• C.Processing and forwarding user application traffic.
• D.Building forwarding tables for the IOMs.

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Which of the following describes the Alcatel-Lucent 7750 SR Input/Output Module (IOM)?

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

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An Ethernet Local Area Network (LAN) consists of the components shown in the diagram. How many collision domains are on this LAN?

• A.6
• B.2
• C.1
• D.5

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