Expert Answers to Cisco Exam 100-490 Questions

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CCT Routing and Switching Supporting Cisco Routing & Switching Network Devices (RSTECH)

Supporting Cisco Routing & Switching Network Devices (RSTECH)

Last Update Aug 7, 2025
Total Questions : 72

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Questions 2

Which layer of the OSI model defines how data is formatted for transmission and how access to the physical media is controlled?

Options:

presentation

data link

network

transport

Discussion 0

Questions 3

What are two components of a WAN connection? (Choose two.)

Options:

CSU/DSU

router

bridge

hub

switch

Discussion 0

Questions 4

How are IPv6 addresses notated?

Options:

2001:ODB8::1:1:1:1:1

2001:0DB8:130F:0000:0000:7000:0000:140B

2001:0DB8:0::

2001:0DB8::/128

Discussion 0

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Questions 5

Which router port is used for dial-in access to the router for CLI management purposes and does not usually pass normal network traffic?

Options:

Fast Ethernet

channelized serial

AUX

Gigabit Ethernet

Discussion 0

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Questions