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Exam Code: 640-911
Exam Name: Introducing Cisco Data Center Networking
Updated: Aug 13, 2017
Q&As: 208
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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
640-911 exam 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
640-911 dumps 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
640-911 pdf 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
640-911 vce 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
640-911 exam 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
QUESTION 11
In an IEEE 802.3 Ethernet frame, what is the significance of the DSAP field?
A. The DSAP field specifies the TCP or UDP port that is associated with the transport protocol.
B. The DSAP field is only used on United States Department of Defense networks to indicate the
information classification level.
C. The DSAP field is only used in Ethernet II frames.
D. The DSAP field indicates the network layer protocol.
640-911 dumps Correct Answer: D
QUESTION 12
Which field in an Ethernet II frame performs the same function as the DSAP field in an 802.3 Ethernet
frame?
A. Start of frame
B. EtherType
C. Frame check sequence
D. Subnetwork Access Protocol
E. Logical Link Control
Correct Answer: B
QUESTION 13
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
640-911 pdf Correct Answer: DE
QUESTION 14
Which network device is used to identify and protect against unauthorized traffic and control access to
legitimate business-critical data?
A. Stateful firewall
B. Stateless firewall
C. Router
D. Gateway
E. Switch
Correct Answer: A
QUESTION 15
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
640-911 vce Correct Answer: E
QUESTION 16
What are two advantages of employing an external router for inter-VLAN routing over an IEEE 802.1Q
trunk link? (Choose two.)
A. Layer 3 functionality is not required on the switch.
B. The router facilitates communication between VLANs.
C. The single traffic path is optimized.
D. Latency is reduced as packets leave the switch.
E. Equal-Cost Multipath is supported.
Correct Answer: AB
QUESTION 20
HOTSPOT
Hot Area:
Correct Answer:
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