On what type of device is a Service Access Point (SAP) defined?
A. On the CE device.
B. On the PE device.
C. On the P device.
D. On both CE and PE devices.
Which of the following is the location where an ISP aggregates its customer connections and connects them to the Internet?
A. A demarcation point
B. An Internet exchange point
C. A regional Internet registry
D. A point of presence
Which of the following best describes an Autonomous System (AS)?
A. A group of routers that are under one administrative authority.
B. A group of networks that make up the Internet.
C. A group of networks from different organizations exchanging routes using IGP routing protocols.
D. Any organization that has a connection to the Internet.
Which of the following is a characteristic of Distance Vector protocols?
A. Routers periodically send a copy of their table to their neighbors.
B. Routers send triggered updates to the entire network.
C. Routers know the entire network topology.
D. Routers use Shortest Path First algorithm to calculate the optimum paths.
Which of the following does a link-state protocol use when choosing the best path to a destination network?
A. Cost
B. Round-trip time
C. Hop-count
D. Route preference
Which of the following describes a default route?
A. It is used when forwarding control plane data to the local CPM.
B. It is used when there is no other known route for a given packet's destination.
C. It matches a specific /32 host address with the least cost to the destination.
D. It is used when forwarding multicast and broadcast packets.
Which of the following is part of the IP forwarding process?
A. The router does a longest prefix match lookup.
B. The router checks the source address in the MAC FDB.
C. The router assigns a cost to each of its interfaces.
D. The router advertises routes to its neighbors.
Which of the following is a characteristic of the system IP address?
A. It is used as a L3 broadcast address.
B. It is a logical interface address.
C. It can have any prefix value.
D. It is used for layer-2 forwarding.
Which of the following statements about route summarization is FALSE?
A. It reduces the number of routes advertised by the router.
B. It allows a single route table entry to represent multiple subnetworks
C. It can reduce the size of the routing table in neighboring routers.
D. It advertises more specific routes for routing advertisement stability.
Which of the following statements about router interfaces on a Nokia 7750 SR is FALSE?
A. They can be used by routers to interconnect subnets.
B. They can be used in pairs on the same subnet for redundancy.
C. They can be logical or physical.
D. The system interface exists by default.
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