The newly updated Lead4Pass 100-490 dumps with PDF and VCE and free online practice

100-490 dumps

The newly updated Lead4Pass 100-490 dumps contain 60 exam questions and answers, as well as provide difficult analysis, in line with the Cisco 100-490 RSTECH certification exam conditions!

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TypeNumber of exam questionsExam nameExam codeLast updated
Free15Supporting Cisco Routing & Switching Network Devices100-490100-490 dumps
Question 1:

Which protocol does TFTP typically use for transport?

A. RSVP

B. TCP

C. HTTP

D. UDP

 

Correct Answer: D


Question 2:

 

What is the correct IPv6 address notation?

A. 2001:0DB8::/128

B. 2001:0DB8:0::

C. 2001:0DB8::1:1:1:1:1

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

 

Correct Answer: D


Question 3:

 

Which address facilitates the routing of packets over an IP network?

A. physical

B. transport

C. network

D. MAC

 

Correct Answer: C


Question 4:

 

Which two IPv4 addresses can be assigned to a host computer? (Choose two.)

A. 255.255.255.255

B. 10.1.1.20

C. 0.0.0.0

D. 192.168.10.15

E. 292.10.3.4

 

Correct Answer: BD


Question 5:

 

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

A. CSU/DSU

B. router

C. bridge

D. hub

E. switch

 

Correct Answer: AB


Question 6:

 

Which device is a DTE device?

A. CSU/DSU

B. router

C. cable modem

D. DSL modem

 

Correct Answer: B


Question 7:

 

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

A. presentation

B. data link

C. network

D. transport

 

Correct Answer: B

Reference: https://itcertzone.wordpress.com/2011/01/24/the-seven-layers-of-the-osi-model/#:~:text=Layer%202%3A%20The%20Data%20Link,reliable%20delivery%20of%20the%20data.


Question 8:

 

Which command shows the status of power supplies and sensor temperatures?

A. show hardware

B. show module

C. show environment

D. show diag

 

Correct Answer: C

Reference: https://www.cisco.com/c/m/en_us/techdoc/dc/reference/cli/n5k/commands/showenvironment.html


Question 9:

 

What are two standard fiber-optic connectors? (Choose two.)

A. Lucent

B. rollover

C. subscriber

D. multidimension

E. crossover

 

Correct Answer: AC


Question 10:

 

Which type of physical connector does a Gigabit Ethernet port typically use?

A. RJ-9

B. RJ-45

C. DB-25

D. RJ-11

 

Correct Answer: B


Question 11:

 

Which two pairs of LAN Ethernet devices use an RJ-45 straight-through cable? (Choose two.)

A. switch-to-switch

B. switch-to-router

C. switch-to-hub

D. router-to-router

E. switch-to-server

 

Correct Answer: BE


Question 12:

 

Which two features are associated with single-mode fiber-optic cable? (Choose two.)

A. consists of a single strand of glass fiber

B. has higher attenuation than multimode fiber

C. carries a higher bandwidth than multimode fiber

D. costs less than multimode fiber

E. operates over less distance than multimode fiber

 

Correct Answer: AC


Question 13:

 

Which type of transceiver module is used for 40 Gigabit Ethernet connectivity?

A. SFP+

B. GBIC

C. QSFP+

D. XFP

 

Correct Answer: C

Reference: https://www.cisco.com/c/en/us/products/interfaces-modules/40-gigabit-modules/ index.html#:~:text=The%20Cisco%20QSFP%20BiDi%20transceiver,10%20Gigabit%20Ethernet%20fiber% 20infrastructure


Question 14:
 

What is the line speed of a DS0 in North America?

A. 16 kbps

B. 32 kbps

C. 64 kbps

D. 128 kbps

 

Correct Answer: C


Question 15:

 

Which two ports on a laptop are used to gain console access to a Cisco switch? (Choose two.)

A. DB-9

B. USB

C. DVI

D. RJ-11

E. RJ-45 Ethernet

 

Correct Answer: AB


 

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