[Free] 2017(Oct) EnsurePass Dumpsleader Cisco 640-911 Dumps with VCE and PDF 81-90

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Introducing Cisco Data Center Networking

Question No: 81

Which two data center technologies are part of the IEEE 802.3 standard for Ethernet-based LANs? (Choose two.)

  1. 40 Gb/s

  2. 10 Gb/s

  3. WLAN

  4. Smart Grid

Answer: A,B

Question No: 82

Which VTP mode disallows the creation of local VLANs?

  1. transparent

  2. tunneling

  3. server

  4. client

  5. off

  6. native

Answer: D Explanation:

quot;A VTP client behaves like a VTP server and transmits and receives VTP updates on its trunks, but you cannot create, change, or delete VLANs on a VTP client. VLANs are configured on another switch in the domain that is in server mode.quot; http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12.2_52_se/c onfiguration/guide/swvtp.html#wp1205076

Question No: 83

Which two options describe services that are provided by UDP? (Choose two.)

  1. session multiplexing

  2. segmentation

  3. connection-oriented

  4. reliable packet delivery

  5. best-effort packet delivery

Answer: A,E Explanation:

quot;UDP is faster because there is no error-checking for packets.quot; http://www.diffen.com/difference/TCP_vs_UDP

Question No: 84

Which option would you use to exit the Cisco Nexus Operating System interface configuration mode and return to the exec prompt?

  1. nexus(config-if)#Ctrl-Cnexus#

  2. nexus(config-if)#Ctrl-Znexus#

  3. nexus(config-if)#Ctrl-Enexus#

  4. nexus(config-if)#exitnexus#

Answer: B Explanation:

quot;Ctrl-Z Ends a configuration session, and returns you to EXEC mode.

When used at the end of a command line in which a valid command has been typed, the resulting

configuration is first added to the running configuration file.quot; http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_1/nx- os/fundamentals/configuration/guide/Cisco_Nexus_7000_Series_NX- OS_Fundamentals_Configuration_Guide Release_4.1_chapter4.html PS. quot;exitquot; return to global config only

Question No: 85

What are two advantages of employing an external router for inter-VLAN routing over an IEEE 802.1Q trunk link? (Choose two.)

  1. Layer 3 functionality is not required on the switch.

  2. The router facilitates communication between VLANs.

  3. The single traffic path is optimized.

  4. Latency is reduced as packets leave the switch.

  5. Equal-Cost Multipath is supported.

Answer: A,B

Question No: 86

A network engineer is changing the boot process of a router from its original state to one that boots from ROMMON. Which option in Cisco IOS should be changed?

  1. config register number

  2. RMON

  3. bootflash settings

  4. terminal history

Answer: A

Question No: 87 HOTSPOT

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Answer:

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Question No: 88

Which two MAC addresses are valid? (Choose two.)

A. 00:10:74:C9:CD:C0

B. 0010.CC71.4BF9.AE0E.AE0E

C. 00:10:F9:F9:CC:70:8D:80

D. 0010.E686.3ED4

E. 0010.68F7

Answer: A,D

Question No: 89

What are three modular Layer 3 processes in Cisco Nexus Operating System? (Choose three.)

  1. UDLD

  2. PIM

  3. HSRP

  4. STP

  5. OSPF

  6. Cisco Discovery Protocol

Answer: B,C,E Explanation:

quot;PIM is IP routing protocol-independent and can leverage whichever unicast routing protocols are used to

populate the unicast routing table, including Enhanced Interior Gateway Routing Protocol (EIGRP), Open

Shortest Path First (OSPF), Border Gateway Protocol (BGP), and static routes. PIM uses this unicast routing information to perform the multicast forwarding function. Although PIM is called a multicast routing protocol, it actually uses the unicast routing table to perform the RPF check function instead of building up a completely independent multicast routing table. Unlike other routing protocols, PIM does not send and receive routing updates between routers.quot; http://www.cisco.com/en/US/docs/ios/solutions_docs/ip_multicast/White_papers/mcst_ovr. html#wp1009068

quot;Hot Standby Router Protocol (HSRP) is a Cisco proprietary redundancy protocol for establishing a fault tolerant default gateway.

In the configuration procedures, the specified interface must be a Layer 3 interface:quot; http://www.cisco.com/en/US/docs/switches/lan/catalyst3750/software/release/12.2_55_se/c onfiguration/guide/swhsrp.html

OSPF (Open Shortest Path First) – routing protocol.

Question No: 90

What is the command sequence to force a Cisco Nexus 6000 switch to boot using the golden BIOS image?

  1. Press Ctrl-Shift-6 within 30 seconds of when power is supplied to the switch.

  2. Press Ctrl-] within 2 seconds of when power is supplied to the switch.

  3. Press Ctrl-] within 30 seconds of when power is supplied to the switch.

  4. Press Ctrl-Shift-6 within 2 seconds of when power is supplied to the switch.

    Answer: D

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