640-878 Practice Tests (June)

Download New Updated (June) Cisco 640-878 Practice Test 81-90

By on June 7, 2015
Ensurepass    QUESTION 81 HOTSPOT   Correct Answer:   Explanation: multiple spanning-tree protocol Use the "show spanning-tree" command to see the "Spanning tree enabled protocol mstp" output.     QUESTION 82 HOTSPOT   Correct Answer:   Explanation: S78 port Fa0/23 Use the "show spanning-tree mst" command on each switch to find the port status that shows BLK for VLAN 70.     QUESTION 83 HOTSPOT   Correct Answer:   Explanation: Read more [...]

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640-878 Practice Tests (June)

Download New Updated (June) Cisco 640-878 Practice Test 51-60

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Ensurepass="cursor: auto; margin: 0cm 0cm 0pt; line-height: normal; text-autospace: ; mso-layout-grid-align: none" align="left">    QUESTION 51 When is a route-policy configuration needed on a Cisco IOS XR router using RPL?   A. when enabling an IGP routing protocol configuration B. when enabling an EBGP peering configuration C. when enabling an IBGP peering configuration D. when enabling route redistribution E. when enabling an LDP peering configuration   Correct Read more [...]

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640-878 Practice Tests (June)

Download New Updated (June) Cisco 640-878 Practice Test 61-70

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Ensurepass="cursor: auto; margin: 0cm 0cm 0pt; line-height: normal; text-autospace: ; mso-layout-grid-align: none" align="left">  QUESTION 61 On Cisco IOS XR software, what are the four valid address-family configuration command options in static route configuration mode? (Choose four.)   A. address-family ipv4 unicast B. address-family ipv6 unicast C. address-family ipv4 multicast D. address-family ipv6 multicast E. address-family vpnv4 F. address-family vpnv6   Read more [...]

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640-878 Practice Tests (June)

Download New Updated (June) Cisco 640-878 Practice Test 21-30

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Ensurepass="cursor: auto; margin: 0cm 0cm 0pt; line-height: normal; text-autospace: ; mso-layout-grid-align: none" align="left">  QUESTION 21 ISPs use which protocol to establish peering sessions in an Internet exchange point environment?   A. LDP B. IS-IS C. BGP D. OSPF   Correct Answer: C     QUESTION 22 You are enabling OSPF on a router and notice that all the Fast Ethernet and the Gigabit Ethernet interfaces have the same OSPF cost of 1. Which single configuration Read more [...]

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640-878 Practice Tests (June)

Download New Updated (June) Cisco 640-878 Practice Test 31-40

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Ensurepass="cursor: auto; margin: 0cm 0cm 0pt; line-height: normal; text-autospace: ; mso-layout-grid-align: none" align="left">    QUESTION 31 On Cisco IOS XR software, how is LDP enabled on an interface?   A. LDP is automatically enabled globally on all interfaces, when ip cef is enabled globally. B. LDP is enabled on each interface, using the mpls ip interface configuration command. C. LDP is enabled on each interface, using the interface command under mpls ldp (MPLS Read more [...]

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640-878 Practice Tests (June)

Download New Updated (June) Cisco 640-878 Practice Test 41-50

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Ensurepass  QUESTION 41 On Cisco IOS XR software, which two of the address-family command options in IS-IS configuration mode are valid? (Choose two)   A. address-family clns B. address-family ipv4 unicast C. address-family ipv6 unicast D. address-family vpnv4 E. address-family vpnv6   Correct Answer: BC Explanation: http://www.cisco.com/en/US/docs/ios_xr_sw/iosxr_r3.8/routing/command/reference/rr38isis.pdf To enter address family configuration mode for configuring Read more [...]

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640-878 Practice Tests (June)

Download New Updated (June) Cisco 640-878 Practice Test 11-20

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Ensurepass  QUESTION 11 Which first-hop router redundancy protocol uses the active virtual gateway to assign a virtual MAC address to the active virtual forwarders?   A. HSRP B. VRRP C. GLBP D. FHRP Correct Answer: C Explanation: http://www.cisco.com/en/US/docs/ios/12_2t/12_2t15/feature/guide/ft_glbp.html     QUESTION 12 Which two statements about the BGP weight attribute on Cisco routers are true? (Choose two.)   A. It is a well-known discretionary attribute. Read more [...]

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640-878 Practice Tests (June)

Download New Updated (June) Cisco 640-878 Practice Test 1-10

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Ensurepass QUESTION 1 Which spanning-tree mode can be used to map several VLANs to a single spanning-tree instance?   A. MST B. PVST+ C. PVRST+ D. RSTP   Correct Answer: A     QUESTION 2 Which spanning-tree mode uses the name command to configure a region name?   A. MST B. PVST+ C. PVRST+ D. RSTP   Correct Answer: A     QUESTION 3 Which procedure is used as the last resort disaster recovery procedure to completely replace the currently Read more [...]

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