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2021 Aug 4A0-100 vce
Q31. How does a VPRN service avoid the problem of overlapping IP addresses from different customers?
A. You cannot have overlapping IP addresses. Customers must change their IP address assignment.
B. Each VPRN service maintains a separate VPN routing and forwarding instance to separate customer routing information. This allows for overlapping addresses.
C. A VPRN ignores IP addressing information and uses MAC addressing instead, which are always unique.
D. A VPRN translates customer IP addresses to a private addressing scheme administered
by the service provider.
Answer: B
Q32. Which of the following statements are TRUE about the Alcatel-Lucent SR 7750? (Choose 2)
A. It can boot without a compact flash in the CF3 slot.
B. It cannot boot without a compact flash in the CF3 slot.
C. It can operate without a compact flash in the CF3 slot once it has booted.
D. It cannot operate without a compact flash in the CF3 slot once it has booted.
Answer: B,C
Q33. Where would you expect to find a P router in a service provider's network? A. At the edge of the provider's network facing the customer.
B. At the edge of the customer's network facing the provider.
C. In the core of the providers network.
D. On the customer premises.
Answer: C
Q34. What is the function of the Routing Table Manager?
A. Based on the metrics of the routing protocol, find the best path to the destination network and install it in the routing table.
B. Provide a CLI interface to allow the operator to configure the dynamic routing protocol on the router.
C. Based on the routing protocol preference values, chose the route with the lowest preference and install it in the routing table.
D. Provide a CLI interface to allow the network operator to install static routes in the routing table.
Answer: C
Q35. Which of the following describes a static default route?
A. An entry included in the default configuration of the router that is used if no dynamic routing protocols or static routes are configured.
B. A wildcard entry used when the destination network is not specifically defined in the routing table.
C. An entry selected based on the route that has the least cost to the destination (path with the most physical bandwidth)
D. An entry used by the routing protocol when it is unable to calculate the best route to the destination.
Answer: B
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Q36. As described by the CSMA/CD algorithm, what is the first thing to happen when Host A and Host B begin transmitting data at the same time?
A. Host A and B will generate a jam signal.
B. Listening hosts will request retransmission.
C. Host A or B will retry the transmission.
D. A back-off timer is started by Host A or B.
Answer: A
Q37. Which of the following describes the Alcatel-Lucent 7750 SR Input/Output Module (IOM)?
A. Small optical module available in a variety of formats.
B. Contains a CPU for managing the forwarding hardware in each flexible fast path.
C. Converts traffic from an external standard format to an internal format.
D. Contains the CPU that runs the routing protocol software as well as the switch fabric.
Answer: B
Q38. The TCP/IP and OSI models of protocol aresimilar in that they both have:
A. An application and session layer.
B. A network layer that provides a universal and consistent forwarding service.
C. A transport layer with two protocols.
D. An applications services layer with similar layering and service definitions.
Answer: C
Q39. Which of the following is a characteristic of a subnet created with a /31 prefix?
A. There is no broadcast address on the network.
B. The address can only be used as a loopback address.
C. This specifies a single host address.
D. A /31 prefix is not supported on the SR and ESS platform.
Answer: A
Q40. Which of the following is a File command in the File System context of the Command Line Interface (CLI)?
A. time-display
B. help
C. type
D. terminal
Answer: C