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Download Free 640-878 Exam Questions

Exam: 640-878 - Building Cisco Service Provider Next-Generation Networks, Part 2 (SPNGN2)
Size: 2.83 MB
Posted: Sunday, October 29, 2017
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chris
Switzerland
Apr 26, 2020
Still Valid. Good luck
Oggy
Panama
Apr 14, 2020
The dump is 100% Valid ..
Oggy
Panama
Apr 10, 2020
Still Valid the dump 100% ..
Aea mission
Thailand
Mar 29, 2020
BGP : Must to be insert command address-family ipv4 and ipv6 unicast for peer neighboor also. Today I passed. ( Not use cmd redistribution-connected )
Alex
Ukraine
Mar 22, 2020
pass exam 22.11.2017. dump 100% valid.
In lab You must put address-family ipv4 inside neighbor section.
ปลาวาฬทราย
Thailand
Mar 14, 2020
You want to configure HSRP between a Cisco IOS and a Cisco IOS XR router for the 192.0.2.0/24 subnet. Half of the PCs on the 192.0.2.0/24 subnet are configured to use 192.0.2.1 as the default gateway, and the other half of the PCs are configured to use 192.0.2.254 as the default gateway. The intent is to load balance the traffic across both routers.
Which two IOS and IOS XR configurations are needed? (Choose two.)

A.
! IOS
interface GigabitEthernet 0/0
ip address 192.0.2.254 255.255.255.0
standby 1 ip 192.0.2.1
standby 1 preempt
standby 2 ip 192.0.2.254
standby 2 preempt
B.
! IOS
interface GigabitEthernet 0/0
ip address 192.0.2.2 255.255.255.0
standby 1 ip 192.0.2.1
standby 1 priority 105
standby 1 preempt
standby 2 ip 192.0.2.254
standby 2 priority 95
standby 2 preempt
C.
! IOS-XR
interface GigabitEthernet 0/0/0/0
ip address 192.0.2.3 255.255.255.0
router hsrp
interface GigabitEthernet 0/0/0/0
hsrp 1 ipv4 192.0.2.1
hsrp 1 priority 95
hsrp 1 preempt
hsrp 2 ipv4 192.0.2.254
hsrp 2 priority 105
hsrp 2 preempt
D.
! IOS-XR
interface GigibitEthernet 0/0/0/0
ip address 192.0.2.1 255.255.255.0
router hsrp
interface GigabitEthernet 0/0/0/0
hsrp 1 ipv4 192.0.2.1
hsrp 1 priority 99
hsrp 1 preempt
hsrp 2 ipv4 192.0.2.254
hsrp 2 priority 101
hsrp 2 preempt
E.
! IOS
interface GigibitEthernet 0/0
ip address 192.0.2.2 255.255.255.0
standby 1 ip 192.0.2.1
standby 1 preempt
standby 1 priority 2
standby 2 ip 192.0.2.254
standby 2 preempt
standby 2 priority 2
F.
! IOS-XR
interface GigabitEthernet 0/0/0/0
ip address 192.0.2.3 255.255.255.0
router hsrp
interface GigabitEthernet 0/0/0/0
hsrp 1 ipv4 192.0.2.1
hsrp 1 priority 1
hsrp 1 preempt
hsrp 2 ipv4 192.0.2.254
hsrp 2 priority 1
hsrp 2 preempt
Why the answer is A and C ?
nounou
Algeria
Mar 01, 2020
No
this packet is matched by the statement 20 of the ACL so it will be permited and will not pass to the statement 30
ปลาวาฬทราย
Thailand
Feb 25, 2020
It doesn't sequently ?

example The packet isn't telnet packet with destination is 10.10.192.1.
10 is not matched because its isn't telnet packet go to 20.
20 is matched packet is permit go to 30.
30 is matched because any is all IPv4 addresses.

so I think in sequent 30 packet is deny ?
nounou
Algeria
Feb 16, 2020
you're wrong
all IPv4 packets from any source to any destination between (10.10.192.0 - 10.10.195.255) are permitted except the telnet packets.
all other packets are droped with the third statement in the ACL
ปลาวาฬทราย
Thailand
Feb 05, 2020
In IOS-XR this command:

ipv4 access-list FILTER
10 deny tcp any 10.10.192.0 0.0.3.255 eq telnet
20 permit ipv4 any 10.10.192.0 0.0.3.255
30 deny ipv4 any any

What packets are permitted ?
I thought its dropped any packet ?

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