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1. Which of the following Nokia 7750 SR components is NOT part of the data plane?

The Media Dependent Adapter (MDA)

The Input/Output Module (IOM)

The eXpandable Media Adapter (XMA)

The Control Processor Module (CPM)

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2. Which tier of Internet service providers provides transit services to other ISPs?

Tier 1 and Tier 2 ISPs

Tier 1 and Tier 3 ISPs

Tier 2 and Tier 3 ISPs

Tier 3 ISP

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3. 1.Which of the following is NOT a goal of a layered protocol stack?

To exchange information and divide it into simpler functions.

To provide flexibility so that new protocols can be easily added.

To reduce protocol overhead.

To relieve some devices of some unnecessary tasks.

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4. How does address summarization reduce the routing table size?

By allowing a block of routes to be represented by one route.

By only keeping the best routes in the routing table.

By rejecting duplicate route advertisements.

By not advertising directly connected routes.

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5. Which of the following statements about the OSPF routing protocol is FALSE?

It is a link state protocol.

It supports hierarchy using multiple areas.

It uses a mechanism for routers to exchange topology information.

It uses hop-count for route selection.

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6. Which of the following devices connects directly to the customer equipment?

PE

P

LSR

Both P and LSR

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7. Which of the following is NOT a valid event logging destination?

SNMP

NETCONF

Syslog

BOF

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8. Which of the following is NOT a characteristic of a Virtual Private Network (VPN)?

Each customer's traffic is isolated from other customers.

Service providers utilize a shared infrastructure to support multiple VPNs.

Customer data is altered as it traverses a VP

A VPN is created specifically to meet the requirements of each customer.

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9. Which compact flash on a control processing module (CPM) of a Nokia 7750 SR stores the runtime software image and the configuration file?

CF1

CF2

CF3

Both CF1 and CF2

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10. Which of the following statements about ICMP functions is FALSE?

Used to test end-to-end connectivity.

Can be used to identify the hops that traffic must pass through to get to the destination.

Utilizes different return codes for error reporting.

Provides an automatic re-route if destination is unreachable.

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11. Which of the following is a characteristic of a subnet created with a /31 prefix?

There is no broadcast address on the network.

The address is only used as a loopback address.

This specifies a single host address.

The address is only used for router IDs.

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12. Which of the following is a function of the Link layer?

It is responsible for encapsulating packets into frames for transmission on physical media.

It is responsible for encapsulating packets into IP datagrams and routing them.

It is responsible for encapsulating application data into TCP/UDP messages.

It is responsible for the timing of the signals on physical media.

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