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QUESTION 85
The core of a network has four routers connected in a square design with Gigabit Ethernet links using /30
subnets. The network is used to carry voice traffic and other applications.
Convergence time is taking more than expected. Which three actions would you take to improve OSPF
convergence time? (Choose three.)
A. Increase MTU of the interfaces to accommodate larger OSPF packets.
B. Change the network type to point-to-point on those links.
C. Reduce SPF initial timer.
D. Increase hello interval to avoid adjacency flapping.
E. Enable OSPF.
Correct Answer: BCE
QUESTION 86
Refer to the exhibit. BGP-4 routing to the Internet, in normal behavior, may create asymmetrical routing for different prefixes. The BGP routing table indicates that traffic should follow the paths indicated in the exhibit, but packets are not going further than the border router in AS 4. What could be the cause of this problem?
A. TCP Intercept is configured in AS 4.
B. Unicast Reverse Path Forwarding is configured in loose mode in this router.
C. Packets may be leaving AS 1 without the BGP routing flag set to 1.
D. Unicast Reverse Path Forwarding is configured in strict mode in this router.
E. There is a missing Unicast Reverse Path Forwarding configuration.
Correct Answer: D
QUESTION 87
You replaced your Layer 3 switch, which is the default gateway of the end users. Many users cannot access anything now, including email, Internet, and other applications, although other users do not have any issues. All of the applications are hosted in an outsourced data
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center. In order to fix the problem, which one of these actions should you take?
A. Clear the MAC address table in the switch.
B. Clear the ARP cache in the switch.
C. Clear the ARP cache in the end devices.
D. Clear the ARP cache in the application servers.
Correct Answer: C
QUESTION 88
An 802.1Q trunk is not coming up between two switches. The ports on both switches are configured as “switchport mode desirable.” Assuming that there is no physical issue, choose two possible causes. (Choose two.)
A. Incorrect VTP domain
B. Incorrect VTP password
C. Incorrect VTP mode
D. Incorrect VTP configuration revision
Correct Answer: AB
QUESTION 89
Refer to the exhibit. Look at the command output. What would be the most probable reason for this port-ID mismatch?
A. spanning-tree misconfiguration
B. speed mismatch configuration
C. cabling problem
D. configuration problem
Correct Answer: C
QUESTION 90
Refer to the exhibit. Look at the command output. Assume that there is no other path, and the configuration is correct. What would be the consequences of this situation?
A. Users in SW1 can ping SW2 but not vice versa.
B. Users in SW2 can ping SW1 but not vice versa.
C. Users in SW1 and SW2 can ping each other.
D. Users in SW1 and SW2 cannot ping each other.
Correct Answer: D QUESTION 91
Refer to the exhibit. Look at the command output. What can you use to prevent this behavior?
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A. UDLD
B. spanning-tree loopguard
C. VTP mode transparent
D. switchport mode desirable
Correct Answer: A QUESTION 92
When using IP SLA FTP operation, which two FTP modes are supported? (Choose two.)
A. Only the FTP PUT operation type is supported.
B. Active mode is supported.
C. Passive FTP transfer modes are supported.
D. FTP URL specified for the FTP GET operation is not supported.
Correct Answer: BC QUESTION 93
If a certificate authority trustpoint is not configured when enabling HTTPS and the remote HTTPS server requires client authentication, connections to the secure HTTP client will fail. Which command must be enabled for correct operation?
A. ip http client secure-ciphersuite 3des-ede-cbc-sha
B. ip https max-connections 10
C. ip http timeout-policy idle 30 life 120 requests 100
D. ip http client secure-trustpoint trustpoint-name
Correct Answer: D QUESTION 94
Refer to the exhibit. The Layer 2 network uses VTP to manage its VLAN database. A network designer created all VLANs on the VTP server (switch 1) and it has been advertised through VTP to all other VTP clients (switches 2 through 4). Due to network growth, a network
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operator decided to add a new switch between switch 1 and switch 3. The network operator has been instructed to use a refurbished switch and use a VTP client. Which three of these factors should the network operator consider to minimize the impact of adding a new switch? (Choose three.)
A. Pay special attention to the VTP revision number, because the higher value takes the priority.
B. Configure all VLANs manually on the new switch in order to avoid connectivity issues.
C. A trunk should be established between the new switch and switches 1 and 3 as VTP only runs over trunk links.
D. Set at least the VTP domain name and password to get the new switch synchronized.
E. An ISL trunk should be established between the new switch and switches 1 and 3, because VTP only runs over ISL.
F. Pay special attention to the VTP revision number, because the lower value takes the priority.
Correct Answer: ACD
QUESTION 95
A request arrived on your MPLS-vpn-bgp group. Due to a security breach, your customer is experiencing DoS attacks coming from specific subnets (200.0.10.0/24, 200.0.12.0/24). You have checked all MPLS-EBGP routes being advertised to BHK from other VPN sites and found four subnets listed:
A.
B.
C.
D.
Correct Answer:
QUESTION 96
0.10.0/24, 200.0.11.0/24, 200.0.12.0/24, 200.0.13.0/24. You immediately apply an outbound ACL filter using the appropriate MPLS-EBGP tool: access-list 1 deny 0.0.0.0
A.
B.
C.
D.
Correct Answer:
QUESTION 97
255.254.255 access-list 1 permit any What happens when you apply this ACL on the MPLS-EBGP connection to BHK?
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A. It blocks all routes.
B. It blocks the routes 200.0.12.0/24, 200.0.10.0/24 only.
C. It blocks the routes 200.0.12.0/24, 200.0.13.0/24 only.
D. It blocks the routes 200.0.10.0/24, 200.0.13.0/24 only.
E. Nothing happens, no routes are blocked.
Correct Answer: B
QUESTION 98
Half of your network uses RIPv2 and the other half runs OSPF. The networks do not communicate with each other. Which two of these factors describe the impact of activating EIGRP over each separate part? (Choose two.)
A. EIGRP will not be accepted when configured on the actual RIPv2 routers.
B. OSPF will no longer be used in the routing table, because you only have EIGRP internal routes running.
C. OSPF will no longer be used in the routing table, because you only have EIGRP external routes running.
D. RIPv2 will populate its RIP database but not its routing table, because you only have EIGRP external routes running.
E. RIPv2 will populate its RIP database but not its routing table, because you only have EIGRP internal routes running.
F. OSPF database will have RIPv2 routes.
Correct Answer: BE
QUESTION 99
Your company is researching a new application that runs over IPv6, but part of it must still have IPv4 support. Your company uses a traditional IPv4 network. Your plan is not to run IPv6 over the whole network, but to segment parts of the network or even to operate simultaneously with IPv6 and IPv4. You must make a brief presentation about IPv6 technology to the board of technical directors. Which three of these items could be part of your presentation? (Choose three.)
A. Tunnel IPv6 over IPv4 to connect far-end IPv6 networks.
B. Explain why configuring IPv4 and IPv6 at the same time over the same LAN interface is not possible.
C. Explain why configuring IPv4 and IPv6 at the same time over the same LAN interface is possible.
D. What is the meaning of EUI-64 and how does it work?
E. Tunnel IPv4 over IPv6 to connect far-end IPv4 networks.
Correct Answer: ACD
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