640-875 exam

What are two benefits of a star network topology? (Choose two.)A . Disruption of the entire network is not required when adding new machines.B . Any problem which leaves the network inoperable can be traced to the central hub.C . This network type requires less cable as compared to linear...

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Which command set is required to enable a remote SNMP query on an IOS-XR router?A . control-planemanagement-planeinbandinterface allallow SNMPcommitB . control-planemanagement-planeinbandinterface allallow SNMPC . snmp server hostsnmp server contactsnmp-server community stringcommitD . snmp server hostsnmp server contactsnmp-server community stringView AnswerAnswer: A

Refer to the exhibit. Which layer(s) of the TCP/IP model operates end-to-end (Host A to Host B)?A . Physical layerB . Link layerC . Transport and application layersD . Link and internet (network) layersE . Physical and link layersView AnswerAnswer: C

A Passive Optical Network is a point-to-multipoint FTTx network architecture that relies on which of the following?A . Electrically powered optical splittersB . Unpowered optical splitterC . Customer optical network terminalD . Network interface controllerView AnswerAnswer: B

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DRAG DROP View AnswerAnswer:

Refer to the exhibit. Which two options are the number of broadcast domains and collision domains shown in the exhibit? (Choose two.)A . 2 collision domainsB . 4 collision domainsC . 5 collision domainsD . 8 collision domainsE . 2 broadcast domainsF . 4 broadcast domainsG . 5 broadcast domainsH...

Which layer of the OSI Model does Label Distribution Protocol operate at?A . Data LinkB . TransportC . ApplicationD . PresentationE . SessionF . NetworkView AnswerAnswer: A

What is the default spanning-tree mode of an NNI port on a Cisco ME3400 switch?A . Multiple spanning tree (mst)B . Per-vlan rapid spanning tree (rapid-pvst)C . Per-vlan spanning tree (pvst)D . IEEE 802.1D (stp)View AnswerAnswer: B