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.
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 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.
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
A. spanning-tree misconfiguration
B. speed mismatch configuration
C. cabling problem
D. configuration problem
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.
Refer to the exhibit. Look at the command output. What can you use to prevent this behavior?
B. spanning-tree loopguard
C. VTP mode transparent
D. switchport mode desirable
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.
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
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 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.
A request arrived on your MPLS-vpn-bgp group. Due to a security breach, your customer is experiencing DoS attacks coming from specific subnets (126.96.36.199/24, 188.8.131.52/24). You have checked all MPLS-EBGP routes being advertised to BHK from other VPN sites and found four subnets listed:
184.108.40.206/24, 220.127.116.11/24, 18.104.22.168/24, 22.214.171.124/24. You immediately apply an outbound ACL filter using the appropriate MPLS-EBGP tool: access-list 1 deny 0.0.0.0 255.255.254.255 access-list 1 permit any What happens when you apply this ACL on the MPLS-EBGP connection to BHK?
A. It blocks all routes.
B. It blocks the routes 126.96.36.199/24, 188.8.131.52/24 only.
C. It blocks the routes 184.108.40.206/24, 220.127.116.11/24 only.
D. It blocks the routes 18.104.22.168/24, 22.214.171.124/24 only.
E. Nothing happens, no routes are blocked.
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