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Q91. An R1 router requires an equal load balancing to reach the prefix 192.168.0.0/16 over two exit points: through R2 and R3 routers. Which two options must be configured on the R1 router to achieve this goal? (Choose two.) 

A. The BGP maximum path feature must be configured on R1. 

B. The BGP PIC core must be enabled on R1 

C. Weight, local-pref, MED, as-path length, origin, and the BGP next-hop IGP cost must be the same for the R2 and R3 IBGP updates to R1. 

D. The BGP Link Bandwidth feature must be applied on R1. 

E. BGP extended community exchange must be enabled between IBGP neighbors. 

Answer: D,E 

Explanation: 

http://www.cisco.com/c/en/us/td/docs/ios/12_2s/feature/guide/fsbgplb.html#wp1058373 


Q92. The following congestion avoidance configuration has been applied on an outgoing interface: 

Which is the result of the egress packets marked as DSCP AF32 when the average queue depth is 40? 

A. It will be dropped with a random rate less than the one defined by MPD. 

B. It will be tail dropped. 

C. It will be dropped with a rate of 1 packet out of 30. 

D. It will be dropped with a rate of 1 packet out of 20. 

Answer: D 


Q93. Refer to the exhibit. Why is R3 unable to install 1.1.1.1/32 in its routing table? 

A. 11.11.11.11/32 exists in the routing table, so the conditional advertising is not working. 

B. The route is filtered out by the ip prefix-list ROUTE-IN command. 

C. 11.11.11.11/32 is advertising in the BGP table, so conditional advertising is not working. 

D. The bgp redistribute-internal command is missing under the R2 BGP process. 

Answer: B 


Q94. Refer to the exhibit. 

When a traceroute is performed from a PC behind R2, the next hop on R1 for IPv4 is 10.0.1.2, and for IPv6 it is 2001:DB8:2:2. What is causing thus behavior? 

A. GigabitEthernet2/1 has a Level 1-only adjacency. This causes it to be the preferred path for the IPv6 packets. 

B. When SPF ran on R2, it calculated two equal paths to R1. It was a coincidence that than the packets choose different paths. 

C. Multitopology is enabled on R2, which causes the IPv6 packets to use a different path than the IPv4 packets. 

D. 2001:DB8:2::2 is on a Gigabit Ethernet interface. Because its speed is higher than Fast Ethernet, the IS-IS metric is preferred. 

Answer: C 


Q95. Which multicast feature listens multicast conversations maintaining a map in order to control which ports receive specific multicast traffic? 

A. Bidirectional PIM 

B. Source Specific Multicast 

C. PIM assertion 

D. IGMP snooping 

Answer: D 


Q96. The following MPP configuration is applied on RA router: RP/0/RSP0/CPU0:RA#sh running-config control-plane 

control-plane 

management-plane 

inband 

interface TenGigE 0/0/0/0 

allow SSH peer 

address ipv4 5.0.0.0/8 

Which two pieces of information are correct in regards to management traffic on RA router? (Choose two) 

A. SNMP traps going out on TenGigE 0/0/0/0 interface are dropped. 

B. SNMP polling coming through TenGigE 0/0/0/0 interface are dropped. 

C. Telnet connections coming through MgmtEth0/RSP0/CPU0/0 interface are accepted. 

D. SSH connections coming through TenGigE 0/0/0/0 interface from 5.5.5.5 host are accepted. 

E. TACACS traffic going through TenGigE 0/0/0/0 interface are dropped. 

Answer: B,D 


Q97. Customers connecting to a Service Provider for Internet access are intending to implement redundant peering. The design requirements call for preferring a primary link for both ingress and egress traffic. Secondary links should be used only during primary outages. What two BGP deployment options will accomplish this design goal? (Choose two.) 

A. On the router handling the secondary link, advertise routes with a MED value of 0. 

B. On the router handling the primary link, set the weight for all incoming routes to be a value of 0. 

C. On the router handling the secondary link, advertise all routes with a longer AS-PATH value. 

D. On the router handling the primary link, advertise all routes with a longer AS-PATH value. 

E. On the router handling the secondary link, set the local preference for all incoming routes to be a value of 0. 

Answer: C,E 


Q98. A telecom company offers ISPs the ability to resell dynamic IP broadband services over its local loops, but it does not allow the resellers to install broadband network gateways. If an ISP wants to become a reseller but is unable to use NHRP, which tunneling protocol should be implemented? 

A. IP in IP 

B. IPsec 

C. L2TP 

D. GRE 

Answer: C 

Explanation: 

However, while OpenVPN can not be used with VoIP, L2TP can be used for VoIP. Only use this if OpenVPN is not available and you are in need of very high security/encryption. 


Q99. In a secure domain router scenario, which two functions are shared amongst all SDR in the system? (Choose two.) 

A. configuration 

B. protocols 

C. routing tables 

D. chassis-control 

E. switch-fabric 

Answer: D,E 

Explanation: 

Secure domain routers (SDRs) provide a means of partitioning a router into multiple, independent routers. SDRs perform routing functions in the same manner as a physical router but share resources with the rest of the system. For example, the applications, configurations, protocols, and routing tables assigned to an SDR belong to that SDR only, but other functions such as chassis control, switch fabric, and partitioning are shared with the rest of the system. 

Reference: http://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-3/system_management/command/reference/b_sysman_cr43crs/b_sysman_cr43crs_chapt er_01110.html 


Q100. Refer to the exhibit. R1 and R2 are multicast routers running PIM over Serial1/0. The PIM adjacency on R1 is not forming with the given configuration. What command can be entered on R1 to resolve the issue? 

A. no access-list 100 deny 103 any any 

B. no access-list 100 deny udp any anyeq 103 

C. no access-list 100 deny ip any host 224.0.0.1 

D. no access-list 100 deny ip any host 224.0.0.2 

Answer: A 

Explanation: 

All PIM protocols share a common control message format. PIM control messages are sent as raw IP datagrams (protocol number 103), either multicast to the link-local ALL PIM 

ROUTERS multicast group, or unicast to a specific destination. 

Reference: http://www.metaswitch.com/resources/what-is-protocol-independent-multicast-pim