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NEW QUESTION 1
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-XRinterface GigabitEthernet 0/0/0/0ip address 192.0.2.3 255.255.255.0router hsrpinterface GigabitEthernet 0/0/0/0 hsrp 1 ipv4 192.0.2.1hsrp 1 priority 95hsrp 1 preempthsrp 2 ipv4 192.0.2.254hsrp 2 priority 105hsrp 2 preempt
  • B. ! IOS-XRinterface GigabitEthernet 0/0/0/0ip address 192.0.2.1 255.255.255.0router hsrpinterface GigabitEthernet 0/0/0/0 hsrp 1 ipv4 192.0.2.1hsrp 1 priority 99hsrp 1 preempthsrp 2 ipv4 192.0.2.254hsrp 2 priority 101hsrp 2 preempt
  • C. ! IOS-XRinterface GigabitEthernet 0/0/0/0ip address 192.0.2.3 255.255.255.0router hsrpinterface GigabitEthernet 0/0/0/0 hsrp 1 ipv4 192.0.2.1hsrp 1 priority 1hsrp 1 preempthsrp 2 ipv4 192.0.2.254hsrp 2 priority 1hsrp 2 preempt
  • D. ! IOSinterface GigabitEthernet 0/0ip address 192.0.2.2 255.255.255.0standby 1 ip 192.0.2.1standby 1 priority 105standby 1 preemptstandby 2 ip 192.0.2.254standby 2 priority 95standby 2 preempt
  • E. ! IOSinterface GigabitEthernet 0/0ip address 192.0.2.254 255.255.255.0standby 1 ip 192.0.2.1standby 1 preemptstandby 2 ip 192.0.2.254standby 2 preempt
  • F. ! IOSinterface GigabitEthernet 0/0ip address 192.0.2.2 255.255.255.0standby 1 ip 192.0.2.1standby 1 preemptstandby 1 priority 2standby 2 ip 192.0.2.254standby 2 preemptstandby 2 priority 2

Answer: AD

NEW QUESTION 2
On Cisco IOS XR software, which set of commands enables OSPF area 0 on the Gi0/0/0/0 interface that has an IPv4 IP address of 192.168.1.1/24?

  • A. router ospf 1network 192.168.1.1 0.0.0.0 area 0
  • B. router ospf 1network 192.168.1.1 255.255.255.255 area 0
  • C. router ospf 1 area 0interface gi0/0/0/0
  • D. router ospfv3 1network 192.168.1.1 0.0.0.0 area 0
  • E. router ospfv3 1network 192.168.1.1 255.255.255.255 area 0
  • F. router ospfv3 1 area 0network 192.168.1.0
  • G. router ospfv3 1 area 0interface gi0/0/0/0

Answer: C

NEW QUESTION 3
Which two statements about the link state routing process are true? (Choose two.)

  • A. It uses the DUAL algorithm.
  • B. It uses metrics such as AS path.
  • C. All routers in the area have link state databases.
  • D. The administrative distance is 1 by default.
  • E. Each router in the area floods LSPs to all neighbors.

Answer: CE

NEW QUESTION 4
Which three are correct statements based on the BGP configuration below? (Choose three.)
Router#config t Router(config)#router bgp 1
Router(config-router)#neighbor 1.1.1.1 remote-as 1
Router(config-router)#neighbor 3.3.3.3 remote-as 2

  • A. local AS is 1
  • B. local AS is 2
  • C. neighbor 1.1.1.1 remote-as 1 is iBGP peer
  • D. neighbor 1.1.1.1 remote-as 1 is eBGP peer
  • E. neighbor 3.3.3.3 remote-as 2 is iBGP peer
  • F. neighbor 3.3.3.3 remote-as 2 is eBGP peer
  • G. neighbor 2.2.2.2 remote-as 2 is iBGP peer
  • H. neighbor 2.2.2.2 remote-as 2 is eBGP peer

Answer: ACF

NEW QUESTION 5
A customer has created a new VLAN for the subnet that was allocated to them. Computers on the subnets can ping their default gateway, but they cannot ping devices in the other subnet. What is most likely the problem?

  • A. Firewall on the Provider Edge is blocking access
  • B. InterVLAN routing is not configured
  • C. BGP has not been configured with the Provider Edge router
  • D. VLAN Switched Virtual Interface is in a down state

Answer: B

NEW QUESTION 6
Select and Place:
640-878 dumps exhibit

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:
640-878 dumps exhibit

NEW QUESTION 7
640-878 dumps exhibit
640-878 dumps exhibit
640-878 dumps exhibit
640-878 dumps exhibit
640-878 dumps exhibit
Hot Area:
640-878 dumps exhibit

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:

Priority 32768 and MAC address e8ba.70b5.6c00
Use the "show spanning-tree mst" command on each switch to find the root port and the priority.

NEW QUESTION 8
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

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 Intermediate System-to-Intermediate System (IS-IS) routing that use standard IP Version 4 (IPv4) and IP Version 6 (IPv6) address prefixes, use the address-family command in router configuration or interface configuration mode. To disable support for an address family, use the no form of this command. Address family {ipv4 | ipv6} {unicast | mulitcast} no address-family {ipv4 | ipv6} {unicast | multicast}

NEW QUESTION 9
Refer to the configuration example exhibit.
640-878 dumps exhibit
Which statement is true?

  • A. A trunk port has been created and VLAN has been allowed.
  • B. An access port has been created on a UNI.
  • C. A customer VLAN of 209 is configured.
  • D. A QinQ VLAN of 118 is configured.

Answer: D

Explanation:
http://www.cisco.com/en/US/docs/switches/lan/catalyst4500/12.2/54sg/configuration/guide/tunnel.html#wp1026594

NEW QUESTION 10
Which command configures a switchport to connect only a host device in VLAN 301?

  • A. switchport access vlan 301
  • B. switchport mode trunk vlan 301
  • C. switchport mode access vlan 301
  • D. switchport vlan 301

Answer: A

NEW QUESTION 11
Which IOS Software solution is used for transporting RFC 1918 networks via IPSec + GRE VPNs over the internet?

  • A. Dynamic Multipoint VPN
  • B. Group Encrypted Transport VPN
  • C. IPS
  • D. URL Filtering

Answer: A

NEW QUESTION 12
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

Answer: A

NEW QUESTION 13
Which of the following commands would be used to prevent a switchport from processing Bridge Protocol Data Units?

  • A. switch(config)#bpdu filter enable
  • B. switch(config)#no bpdu enable
  • C. switch(config-if)#spanning-tree bpdufilter enable
  • D. switch(config-if)#no spanning-tree bpdu filter enable
  • E. switch(config-if)#spanning-tree bpdu guard

Answer: C

NEW QUESTION 14
What platform is best placed as the edge device within the Cisco Service Provider Next Generation Network architecture running IOS-XE?

  • A. ASR 9000
  • B. Catalyst 6509
  • C. 2921 Router
  • D. C3560G
  • E. Catalyst 7609

Answer: A

NEW QUESTION 15
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.)

  • A. mismatched OSPF hello/dead interval between the new router and the neighbor router
  • B. mismatched OSPF area ID between the new router and the neighbor router
  • C. mismatched OSPF authentication data between the new router and the neighbor router
  • D. mismatched OSPF router ID between the new router and the neighbor router
  • E. mismatched interface MTU between the new router and the neighbor router
  • F. mismatched interface bandwidth between the new router and the neighbor router

Answer: ABCE

NEW QUESTION 16
Your switch network has been configured to support multiple VLANs. In order for the users on one VLAN to communicate with users on another VLAN, which additional configuration is required?

  • A. Enable a routing protocol like EIGRP on a router or on a Layer 3 capable switch
  • B. Enable inter-VLAN routing on a router or on a Layer 3 capable switch
  • C. Enable a switch virtual interface on the router, using the interface vlan global configuration command
  • D. Enable a switch virtual interface on the switch, using the encapsulation dot1q
  • E. subinterface configuration command
  • F. Enable IP routing on a Layer 2 switch

Answer: B

NEW QUESTION 17
A customer has installed a second router and copied the configuration from the first router, as shown below. What change is needed to ensure that router 1 is the primary IP address?
Router 1
standby 1 priority 110
standby 1 preempt
Router 2
standby 1 priority 120
standby 1 preempt

  • A. decrease the priority on router 2 to 109
  • B. decrease the priority on router 1 to 109
  • C. remove standby 1 preempt from router 1
  • D. increase the priority on router 2 to 130
  • E. increase the priority on router 1 to 119

Answer: A

NEW QUESTION 18
Which commands will configure the spanning tree operating mode that can group multiple VLANs in a single domain?

  • A. switch(config)#spanning-tree mode pvst
  • B. switch(config)#spanning-tree mode rstp
  • C. switch(config)#spanning-tree mode rapid-pvst
  • D. switch(config)#spanning-tree mode mst
  • E. switch(config)#spanning-tree mode mst-plus

Answer: D

NEW QUESTION 19
When configuring an ACL entry, which network and wildcard mask matches only IP addresses 10.8.144.0 to 10.8.151.255?

  • A. 10.8.144.0 0.0.3.255
  • B. 10.8.144.0 0.0.7.255
  • C. 10.8.144.0 0.0.15.255
  • D. 10.8.144.0 0.0.252.255
  • E. 10.8.144.0 0.0.248.255
  • F. 10.8.144.0 0.0.240.255

Answer: B

NEW QUESTION 20
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::

  • A. interface FastEthernet0/0 ipv4 ospf 1 area 2
  • B. interface FastEthernet0/0 ipv6 ospf 1 area 2
  • C. interface FastEthernet0/0 ipv6 1 area 2
  • D. interface FastEthernet0/0 area 2 ospf 1 ipv6

Answer: B

NEW QUESTION 21
Refer to the topology diagram in the exhibit.
640-878 dumps exhibit
Which two interface configuration commands on the Cisco ME 3400-1 switch Fa 0/1 interface are required to support the VLANs for Customer A to be trunked across the service provider network? (Choose two.)

  • A. switchport access vlan 30
  • B. switchport mode trunk
  • C. switchport mode dot1q-tunnel
  • D. switchport trunk allowed vlan 1-100

Answer: AC

Explanation:
http://www.cisco.com/en/US/docs/switches/metro/me3400/software/release/12.2_25_ex/configurat ion/guide/swtunnel.html

NEW QUESTION 22
Refer to the exhibit.
640-878 dumps exhibit
The access list has been configured on the Gi0/0/0/0 interface in the inbound direction. Which two packets that are sourced from 172.16.1.1 TCP port 1050, if they are routed to the Gi0/0/0/0 interface, will be permitted? (Choose two)

  • A. destination IP address: 10.10.192.201, destination TCP port: 80
  • B. destination IP address: 10.10.193.255, destination TCP port: 80
  • C. destination IP address: 10.10.196.1, destination TCP port: 80
  • D. destination IP address: 10.10.195.254, destination TCP port: 23
  • E. destination IP address: 10.10.193.145, destination TCP port: 23
  • F. destination IP address: 10.10.197.32, destination TCP port: 23

Answer: AB

NEW QUESTION 23
......

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