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Q81. A network engineer wants to deploy a solution that allows for 200 DS1 s and 100 DS0s that are multiplexed to a single interface on a Cisco 7600 Series Router. Which interface type satisfies this requirement?
A. Channelized T3/E3 (DS0)
B. Channelized OC-12/STM-4
C. OC-12/STM-4
D. OC-48c/STM-16
Answer: B
Q82. 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
Q83. 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
Q84. An engineer has just configured IOS-XR with out-of-band MPP. Which are the three results that will occur? (Choose three.)
A. Management traffic to RP from all non-MPP interfaces is dropped
B. RP/DRP Ethernet Interfaces are not default out-of-band interfaces.
C. MPP configuration changes doesn’t affect active sessions established before the changes
D. Interfaces configured for out-of-band MPP are still part of global routing/forwarding
E. If MPP is disabled and a protocol is activated, all interfaces cannot pass traffic
F. LPTS will provide rate limiting
Answer: A,C,F
Explanation: https://supportforums.cisco.com/document/93456/asr9000xr-local-packet-transport-services-lpts-copp
Q85. A network administrator wants to implement an IP dampening feature for a network. Which parameter identifies how fast the accumulated penalty can decay exponentially?
A. reuse threshold
B. suppress threshold
C. half-life period
D. maximum suppress time
Answer: C
Explanation: Reference:
http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_pi/configuration/15-sy/iri-15-sy-book/iri-ip-event-damp.html
Q86. Refer to the exhibit.
An engineer observes that the MC-LAG bundle is down on the active aggregation device. Which is the reason for this issue?
A. The number of configured minimum links is the same of the maximum links available in the bundle.
B. The ICCP redundancy group is configured with the same system MAC address
C. The ICCP redundancy group is configured with the system priority.
D. The number of minimum configured links is greater than the number of links operational in the bundle
Answer: D
Explanation:
https://supportforums.cisco.com/document/9868751/asr9000xr-multichassis-lag-or-mc-lag-mclag-guide130
Q87. What BGP feature improves on DDOS mitigation by allowing instructions that are more granular and allow for source address, destination, address, L4 details, and packet specifics to be analyzed?
A. RCMD
B. RTBH
C. BGP Flowspec
D. BGPSec
Answer: C
Explanation:
https://supportforums.cisco.com/document/12226726/asr9000xr-understanding-bgp-flowspec-bgp-fs
Q88. BGP best route selection process is based on what?
A. path attributes
B. lowest cost
C. highest bandwidth
D. lowest delay
E. lowest hop-count
Answer: A
Q89. DRAG DROP
Drag and drop each fast detection mechanism on the left to its definition on the right.
Answer:
Q90. Refer to the exhibit.
The vrf MAINT has been provisioned and used by the Service Provider management network. The engineer discovers that syslog messages are not being received on the syslog server. IP reachability has been validated using ping. Which issue in the configuration must be corrected?
A. logging on must include the vrf MAINT keyword.
B. logging host must include the vrf MAINT keyword.
C. The logging facility must be configured for syslog processing.
D. The route targets that are configured do not match the route distinguisher.
Answer: B
Explanation:
http://www.cisco.com/c/en/us/td/docs/ios/12_2sr/12_2sra/feature/guide/srvrfslg.html#wp10 59076
