08 February, 2020

Building Cisco Service Provider Next-Generation Networks, Part 2 640-878 Discount Pack

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Total 126 questions Full Exam Access

Question 1

What command will install the image needed on the Cisco IOS-XR if the SSH configuration options are unavailable?

install activate disk0:c12k-k9sec.pie-4.1.2

install activate disk0:c12k-diags.pie-4.1.2

install commit disk0:c12k-diags.pie-4.1.2

install ssh activate disk0:c12k-k9sec.pie-4.1.2

Question 2

Refer to the exhibit.
640-878 dumps exhibit

Which statement is true?

VLAN 1 traffic is sent untagged on the fa0/11 trunk port.

All VLANs traffic, including the native VLAN traffic, is tagged with a VLAN ID when it is sent over the fa0/11 trunk port.

The switchport trunk allowed vlan command is not configured; therefore, no VLANs are allowed on the trunk.

The encapsulation type that is used is 802.1ad.

The switchport trunk native vlan command is not configured; therefore, the trunk is not operational.

Question 3

A network engineer is trying to determine the mac address of a server attached to a switchport on a Cisco Catalyst 6500 Switch. The interface is connected, but no MAC address is present. The server has an IP address of 169.x.x.x. At which layer of the OSI Model does the problem exist?

Layer 1

Layer 2

Layer 3

Layer 4

Layer 5

Layer 6

Layer 7

Question 4

Which type of service provider is responsible for offering backbone connectivity services to other service providers?

CSP

TSP

NSP

ISP

ASP

Question 5

What is a requirement for performing Cisco IOS ISSU on the Cisco IOS XE-based ASR 1006 and ASR 1013 routers?

must use consolidated package mode

must use subpackage mode

must have redundant RPs

must have owner and nonowner SDRs

Question 6

What is the foundation architecture of Cisco Next Generation Networks?

IP/MPLS

IP SLA

TRILL

REP

Question 7

Refer to the exhibit.
640-878 dumps exhibit

A new customer is not receiving routes from the Provider Edge router. What command needs to be added to advertise routes?

route-policy (route group) in

route-policy (route group) out

route-map (route group) in

prefix-list (prefix-list) in

prefix-list (prefix-list) out

Question 8

Which procedure is used as the last resort disaster recovery procedure to completely replace the currently installed IOS XR software on Cisco IOS XR routers?

netboot

turboboot

install recovery

install rollback

install add and install activate

Question 9

A network administrator is troubleshooting an issue whereupon they able to ping the web server, but unable to web browse to the same web server. When the administrator telnets to the webserver on port 80, the administrator gets a connection refused message. At which three layers of the OSI model does the problem exist? (Choose three.)

Layer 1

Layer 2

Layer 3

Layer 4

Layer 5

Layer 6

Layer 7

Question 10

What is the advantage of running IOS-XE individual consolidated packages versus subpackages?

decreases storage requirements

optimizes router memory usage

simplified installation

lowers CPU utilization

Question 11

What package provides the software for the route processor in the IOS XE Software?

RPIOS

ESPBase

RPControl

RPBase

SIP SPA

Question 12

Refer to the Cisco IOS XR configuration exhibit.
640-878 dumps exhibit

Which statement about the configuration is true?

This is a Level-2-only router.

This is a Level-1-only router.

The maximum IS-IS path metric is 63.

This router belongs to area ID 0001.

This configuration is missing the net configuration for the IPv6 unicast address family.

Question 13

Select and Place:
640-878 dumps exhibit

Solution:
640-878 dumps exhibit

Does this meet the goal?

Yes

Question 14

You have installed a new router and configured OSPF on it. However, this new router is not able to establish an OSPF neighbor relationship with the neighbor OSPF router. Which four conditions could cause this problem? (Choose four.)

mismatched OSPF hello/dead interval between the new router and the neighbor router

mismatched OSPF area ID between the new router and the neighbor router

mismatched OSPF authentication data between the new router and the neighbor router

mismatched OSPF router ID between the new router and the neighbor router

mismatched interface MTU between the new router and the neighbor router

mismatched interface bandwidth between the new router and the neighbor router

Question 15

When is a route-policy configuration needed on a Cisco IOS XR router using RPL?

when enabling an IGP routing protocol configuration

when enabling an EBGP peering configuration

when enabling an IBGP peering configuration

when enabling route redistribution

when enabling an LDP peering configuration

Question 16

Select and Place:
640-878 dumps exhibit

Solution:
640-878 dumps exhibit

Does this meet the goal?

Yes

Question 17

What are two legitimate IPv4 to IPv6 migration technologies? (Choose two.)

Lift and shift

Dual stack backbones

In IPv4 / Out IPv6

IPv6 over IPv4 tunneling

IPv6 phasing

Question 18

Refer to the configuration output below. OSPFv2 is already configured on a customer router and the customer is requesting that OSPFv3 be added. What configuration is needed in order to add OSPFv3 to the fastethernet0/0 interface?
Configuration: ipv6 router ospf 1
router-id 209.165.200.227
area 2 nssa
interface fastethernet0/0
ip address 2001:DB8:0:7::

interface FastEthernet0/0 ipv4 ospf 1 area 2

interface FastEthernet0/0 ipv6 ospf 1 area 2

interface FastEthernet0/0 ipv6 1 area 2

interface FastEthernet0/0 area 2 ospf 1 ipv6

Question 19

Which first-hop router redundancy protocol uses the active virtual gateway to assign a virtual MAC address to the active virtual forwarders?

HSRP

VRRP

GLBP

FHRP

Question 20

During the BGP route selection process on Cisco routers, which BGP attribute is examined first, to determine the best path to use?

AS path

MED

local preference

weight

origin

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Total 126 questions Full Exam Access