New Updated Cisco CCNA Data Center 640-911 Real Exam Download 1-10

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QUESTION 1

Which two networking devices operate at Layer 1 of the OSI model? (Choose two.)

 

A.      repeater

B.      bridge

C.      switch

D.      router

E.       hub

 

Correct Answer: AE

 

 

QUESTION 2

Which two networking devices forward data based on destination MAC address? (Choose two.)

 

A.      repeater

B.      bridge

C.      switch

D.      router

E.       hub

 

Correct Answer: BC

 

 

QUESTION 3

Which two network topologies are the most popular in switching? (Choose two.)

 

A.      bus

B.      token passing bus

C.      star

D.      extended star

E.       ring

 

Correct Answer: CD

 

 

QUESTION 4

Which device would you select to partition a network into VLANs?

 

A.      repeater

B.      bridge

C.      switch

D.      router

E.       hub

 

Correct Answer: C

 

 

QUESTION 5

At which layer of the OSI model does TCP operate?

 

A.      1

B.      2

C.      3

D.      4

E.       5

 

Correct Answer: D

 

 

QUESTION 6

Which two layers of the OSI model relate to the transmission of bits over the wire and packet forwarding based on destination IP address? (Choose two.)

 

A.      1

B.      2

C.      3

D.      4

E.       5

 

Correct Answer: AC

 

 

QUESTION 7

Which layer of the OSI model is associated with the reliable transmission of datagrams?

 

A.      datagram

B.      routing

C.      network

D.      data link

E.       transport

F.       transmission

G.      session

 

Correct Answer: E

 

QUESTION 8

Which three terms are used to describe data at Layers 1, 2, and 4 of the OSI model? (Choose three.)

 

A.      PDUs

B.      bits

C.      sequences

D.      segments

E.       packets

F.       frames

 

Correct Answer: BDF

 

 

QUESTION 9

Which two layers of the OSI model are combined in the Internet protocol suite application layer? (Choose two.)

 

A.      2

B.      3

C.      4

D.      5

E.       6

F.       7

 

Correct Answer: DE

 

 

QUESTION 10

Which two layers of the OSI model are combined in the Internet protocol suite network access layer? (Choose two.)

 

A.      1

B.      2

C.      3

D.      4

E.       5

F.       6

G.      7

 

Correct Answer: AB

 

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