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Exam Code: 640-911
Exam Name: Introducing Cisco Data Center Networking
Updated: Aug 23, 2017
Q&As: 208
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Pass4isture Latest and Most Accurate Cisco 640-911 Dumps Exam Q&As:
QUESTION 13
What are two features of a bridge? (Choose two.)
A. Reliable transmission
B. Operate at OSI Layer 2
C. Operate at OSI Layer 3
D. Create multiple broadcast domains
E. Create multiple collision domains
F. Flood input packets to all ports
G. Drop IP packets with invalid destination ports
640-911 examCorrect Answer: BE
QUESTION 14
What are three reasons that switches supersede bridges? (Choose three.)
A. Smaller frame buffers decrease latency.
B. Forward, filter, or flood frames.
C. Multiple simultaneous communications between ports.
D. Larger inspection engine allows for higher throughput.
E. Switches have many ports.
Correct Answer: BCE
QUESTION 15
What action does a switch take if the destination MAC address is unknown?
A. Discard frame
B. Send ICMP unreachable message to source
C. Flood packet on all ports
D. Compare destination IP address against an ACL to determine if it is permitted
E. Send gratuitous ARP on all ports and wait for reply before forwarding
640-911 dumps Correct Answer: C
QUESTION 16
Which statement describes the purpose of the MAC address forwarding table of a switch?
A. The switch consults the forwarding table to determine the best route to a destination.
B. The switch consults the forwarding table to determine the output port.
C. The switch consults the forwarding table to determine if the packet is routable.
D. The switch consults the forwarding table to determine if access control permits the packet.
Correct Answer: B
QUESTION 17
What are two attributes of a VLAN? (Choose two.)
A. A VLAN defines a collision domain.
B. A VLAN defines a broadcast domain.
C. Broadcasts are flooded to all VLANs.
D. Collisions are flooded to all VLANs.
E. A Layer 3 device is required to route packets between VLANs.
F. A Layer 2 device is required to route packets between VLANs.
640-911 pdf Correct Answer: BE
QUESTION 18
Which four statements indicate unique properties of VLAN 1 on Cisco Nexus switches? (Choose four.)
A. VLAN 1 is used to flood multicast traffic.
B. VLAN 1 cannot be deleted.
C. VLAN 1 is used for Cisco Discovery Protocol.
D. VLAN 1 is used for VTP advertisements.
E. VLAN 1 defines a collision domain.
F. VLAN 1 defines a broadcast domain.
Correct Answer: BCDF
QUESTION 19
Which command displays the Trunking Native Mode VLAN on port Ethernet 1/18?
A. show running-config switchport e1/18
B. show running-config e1/18 switchport
C. show interface e1/18
D. show interface e1/18 switchport
E. show interface e1/18 native
640-911 vce Correct Answer: D
QUESTION 20
Which VTP mode disallows the creation of local VLANs?
A. transparent
B. tunneling
C. server
D. client
E. off
F. native
Correct Answer: D
QUESTION 21
Which three statements are true concerning RFC 1918 IP addresses? (Choose three.)
A. They are globally routable.
B. They are not globally routable.
C. They must not be filtered at Internet border interfaces.
D. They should be filtered at Internet border interfaces.
E. They include 10.0.0.0/8, 172.16.0.0/16, and 192.168.1.0/24.
F. They include 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16.
640-911 exam Correct Answer: BDF
QUESTION 22
Which two statements describe the purpose of RFC 1918? (Choose two.)
A. Establish a range of IP addresses that are dedicated to the growing use of multicast video.
B. Establish a range of IP addresses that are dedicated to the growing use of peer-to-peer file- sharing
applications.
C. Establish a range of IP addresses that are dedicated to use on internal networks.
D. Establish a range of IP addresses to address the shrinking pool of globally routable addresses.
E. Delay the transition to IPv6.
Correct Answer: CD
QUESTION 23
What are three reasons to migrate from IPv4 to IPv6? (Choose three.)
A. IPv6 eliminates the requirement for NAT.
B. IPv6 includes enough IP addresses to allocate more than four billion IP addresses to every person on
earth.
C. IPv6 eliminates the need for VLANs.
D. Hosts can be assigned an IP address without DHCP.
E. Hosts can be assigned an IP address without DNS.
640-911 dumps Correct Answer: ABD
QUESTION 24
Which two options describe services that are provided by TCP? (Choose two.)
A. session multiplexing
B. EtherTypes identify destination services
C. connection-oriented
D. best-effort packet delivery
E. binary translation
Correct Answer: AC
QUESTION 25
Which two options describe services that are provided by UDP? (Choose two.)
A. session multiplexing
B. segmentation
C. connection-oriented
D. reliable packet delivery
E. best-effort packet delivery
640-911 pdf Correct Answer: AE
QUESTION 26
Which two options represent a subnet mask that allows for a maximum of 14 available host addresses on a
subnet? (Choose two.)
A. 255.255.255.240
B. 255.255.255.192
C. 255.255.240.0
D. 255.255.192.0
E. /14
F. /21
G. /26
H. /28
Correct Answer: AH
QUESTION 27
What is the binary value of the hexadecimal number 0x511?
A. 10100011001
B. 10101010101
C. 10110010001
D. 10100010001
E. 10100110011
640-911 vce Correct Answer: D
QUESTION 28
What is the binary value of the decimal number 1263?
A. 11011101101
B. 10011101111
C. 10011101011
D. 11010001111
E. 10111101111
Correct Answer: B
QUESTION 29
Which option is an example of a distance vector routing protocol?
A. RIP
B. OSPF
C. ARP
D. IS-IS
640-911 exam Correct Answer: A
QUESTION 30
Which option is an example of an advanced distance vector routing protocol?
A. EIGRP
B. RIP
C. OSPF
D. ARP
Correct Answer: A
QUESTION 31
Which option is an example of a link-state routing protocol?
A. EIGRP
B. RIP
C. OSPF
D. ARP
640-911 dumps Correct Answer: C
QUESTION 32
What is the maximum allowable hop count for RIPv1?
A. 4
B. 8
C. 12
D. 15
E. 16
Correct Answer: D
QUESTION 33
What is the default periodic interval at which RIPv1 sends routing updates?
A. 15 seconds
B. 30 seconds
C. 45 seconds
D. 60 seconds
E. 90 seconds
F. RIPv1 only sends routing updates when the topology changes.
640-911 pdf Correct Answer: B
QUESTION 34
What does RIPv1 send to its neighbors?
A. Information about changed routes
B. Information about new routes
C. The entire routing table
D. Information about deleted routes
Correct Answer: C
QUESTION 35
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.
640-911 vce Correct Answer: AB
QUESTION 36
Which statement correctly describes an SVI?
A. An SVI is a Layer 2 interface and uses a dynamic MAC address.
B. An SVI cannot have an IP address assigned to it.
C. An SVI provides Layer 3 routing between VLANs.
D. Each switch port requires an SVI assignment.
Correct Answer: C
QUESTION 37
What is the Cisco Nexus Operating System command to define a port as a Layer 3 port?
A. Port routed
B. No switchport
C. l3 switchport
D. Port switching off
640-911 exam Correct Answer: B
QUESTION 38
Which statement is correct regarding a routed port on a multilayer switch?
A. A routed port requires an SVI definition.
B. Routed ports cannot be configured on a multilayer switch that uses SVIs.
C. A maximum of 32 routed ports can be provisioned on a given multilayer switch.
D. A routed port is a physical port that supports Layer 3 routing.
640-911 dumps Correct Answer: D
QUESTION 39
On a new Cisco Nexus switch, you receive an error message when you attempt to create an SVI. What is
the first command you must use to create the SVI?
A. Interface vlan (vlan_id)
B. Vlan (vlan_id)
C. Feature svi
D. Interface routed
Correct Answer: A
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