[Free] 2018(Mar) EnsurePass Braindumps Cisco 640-911 Dumps with VCE and PDF 11-20

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2018 Mar Cisco Official New Released 640-911
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Introducing Cisco Data Center Networking

Question No: 11

Which two statements describe two benefits of a star topology compared to a mesh topology? (Choose two.)

  1. New stations can be added quickly and easily.

  2. Troubleshooting connectivity is easier.

  3. There is not a single point of failure.

  4. A single cable failure will not bring down the entire network.

  5. It has the absolute least likelihood of having a collision

Answer: A,B

Question No: 12

Which device can provide FCoE connectivity?

  1. Cisco 2901 Integrated Services Router

  2. Cisco Nexus 2224TP Fabric Extender

  3. Cisco Nexus 5548 Switch

  4. Cisco ASA 5510 Firewall

Answer: C

Question No: 13

What is the acronym expansion of the UDLD feature of Cisco Nexus Operating System?

  1. UniDirectional Link Detection

  2. Unified Data Link Distribution

  3. Unified Data Loss Detection

  4. Unified Directional Link Distribution

  5. Unidirectional Data Loss Detection

Answer: A Explanation:

quot;Unidirectional Link Detection (UDLD) is a data link layer protocol from Cisco Systems to monitor the physical configuration of the cables and detect unidirectional links.quot; http://en.wikipedia.org/wiki/Unidirectional_Link_Detection

Question No: 14

An administrator wants a host with IP address to communicate to hosts on the Internet. How can this be achieved?

  1. This type of communication cannot be achieved.

  2. Network Address Translation must be used.

  3. The perimeter firewall must permit RFC 1918 addresses to the Internet.

  4. A dedicated VLAN should be provisioned to allow private-to-public translation.

Answer: B

Question No: 15

In which layer of the OSI model are TCP port numbers defined?

  1. 2

  2. 3

  3. 4

  4. 6

  5. 7

Answer: C

Question No: 16

Ensurepass 2018 PDF and VCE

Refer to the exhibit. What will the two resulting tables be on R1 after traffic has successfully passed between Server-1 and PC-A? (Choose two.)

  1. The IP address and MAC of Server-1 will be associated with R1 interface Eth0.

  2. The IP address and MAC of PC-A will be associated with R1 interface Eth1.

  3. The IP address of Server-1 and MAC address of SW1 interface E1/1 will be associated with R1 interface Eth0.

  4. The IP address of PC-A and MAC address of SW2 interface E1/48 will be associated with R1 interface Eth1.

  5. The IP address of Server-1 and MAC address of SW1 interface E1/13 will be associated with R1 interface Eth0.

  6. The IP address of PC-A and MAC address of SW2 interface E1/9 will be associated with R1 interface Eth1.

Answer: A,B

Question No: 17

Unlike IPv6, which feature is available only in IPv4?

  1. broadcast

  2. anycast

  3. multicast

  4. unicast

Answer: A

Question No: 18

After a firewall is installed in the network, users have lost FTP access to the remote Cisco Nexus switches, but the TFTP access still works. Which protocol is blocked by the firewall?

  1. UDP

  2. TCP

  3. IP

  4. ICMP

  5. RIP

Answer: B

Question No: 19

How many IP addresses are usable for a subnet that has the address

A. 1024

B. 2048

C. 1022

D. 2046

E. 256

Answer: D

Question No: 20

Which field in an Ethernet II frame performs the same function as the DSAP field in an

802.3 Ethernet frame?

  1. Start of frame

  2. EtherType

  3. Frame check sequence

  4. Subnetwork Access Protocol

  5. Logical Link Control

Answer: B

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