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NRS-1

Network Routing Specialist 1

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Karten	215
Lernende	12
Sprache	English
Kategorie	Informatik
Stufe	Andere
Erstellt / Aktualisiert	01.05.2013 / 04.01.2019
Lizenzierung	Kein Urheberrechtsschutz (CC0)
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Flip-Modus

You are configuring your Alcatel-Lucent 7750SR Service Router from the Command Line Interface (CLI), and after entering a lengthy command, wish to return directly to the ROOT context. Which control command allows you to do this quickly?

Ctrl-z

Ctrl-c

Esc

Shift-Page Down

Which of the following best describes a repeater?

A passive device simply used to connect two or more cables. Does not generate or amplify any signals

A device that receives and retransmits a signal out its ports, but does not do any Layer 2 analysis of the data

A device that receives a signal and based on the Layer 2 destination address, makes a decision on which ports the signal should be retransmitted

A device that receives a signal and based on the Layer 3 destination address, makes a decision on which ports the signal should be retransmitted

How do protocols such as ATM and Frame-Relay support differentiating multiple customers or traffic types on the same physical wire?

ATM and Frame-Relay are circuit switched protocols and use Virtual Circuits to create logical separation of traffic

ATM and Frame-Relay are point-to-point protocols and do not support different customers or traffic type on the same physical wire

ATM and Frame-Relay are circuit switched protocols and use VLAN s to create logical separation of traffic

ATM and Frame-Relay are circuit switched protocols and use IP Header information to create logical separation of traffic

Which of the following is a feature of Layer 3?

Provides an universal addressing scheme

Ensures data is delivered across the Layer 2 network

Provides reliable data transfers

Provides a physical interface to the network

The 201148260/24 network is subnetted using a /26 mask. How many subnets and host addresses will you obtain with this mask?

4 subnets, 64 hosts

64 subnets, 4 hosts

4 subnets, 62 hosts

64 subnets, 2 hosts

6 subnets, 30 hosts

What kind of information can a Dynamic Host Configuration Protocol (DHCP) client receive?

Details of the configuration settings of each router on the network

A list of other DHCP clients

IP addresses and their lease times

Server time information

Choose two true statements that characterize Link State Routing

Routers send a copy of their routing table to their neighbors periodically

Routers flood link information throughout the entire area

Network converges quickly (within several seconds) after a topology change

Routers do not have precise knowledge of the entire network topology

Which statement accurately explains the purpose of the TCP protocol and what it provides?

The primary purpose of TCP is to provide reliable communications between application services

The primary purpose of TCP is to provide unreliable communications between application services

The primary purpose of TCP is to provide IP routing between application services

The primary purpose of TCP is to define the correct format for the application layer such as JPEG or HTML

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