Nokia 4A0-100 Quiz 17 Topic 4 Questions 81-85

Question: 1

What happens next after an incoming packet is de-encapsulated from the Layer 2 frame in an Nokia 7750 router?

AThe IP datagram is encapsulated in the appropriate Layer 2 frame by the MDA.

BThe IP datagram passes through the switch fabric to reach the egress IOM.

CThe IP datagram is passed to the IOM.

DA lookup is performed in the FIB to determine the egress interface.

Show Answer

Question: 2

Which of the following is NOT a function of the Internet layer in the TCP/IP model?

AUnique network addressing scheme to identify hosts globally

BOrderly access to the transmission medium

CRouting protocols for path determination

DEnd-to-end forwarding of datagrams

Show Answer

Question: 3

Which of the following is NOT a characteristic of Ethernet?

AIt is a broadcast technology that can send frames to all devices attached to shared media.

BIt uses a passive, wait-and-listen protocol called Carrier Sense Multiple Access with Collision Detection (CSMA/CD).

CIt uses IP addresses to identify interfaces on the common network media.

DIt is part of the network interface layer of the TCP/IP protocol suite.

Show Answer

Question: 4

Which of the following is an important advantage of protocol layering? (Choose two)

AControls distribution of IP addresses.

BSimplifies protocol functionality.

CIsolates changes in lower layers from upper layers.

DIncreases protocol operational efficiencies.

ELayering adds to the fragmentation of the data

Show Answer

Question: 5

Which of the following statements about IP address subnetting is TRUE?

ASubnetting adds a layer of hierarchy in the addressing structure.

BSubnetting helps routers make faster forwarding decisions.

CSubnetting increases routing advertisement stability.

DSubnetting reduces the number of route entries advertised by the router.

Show Answer

Nokia 4A0-100 Quiz:17 Topic:4 Questions:81-85