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NEW QUESTION # 167 
Refer to the exhibit. The administrator is troubleshooting a BGP peering between PE1 and PE3 that is unable to establish Which action resolves the issue?
- A. P2 must have a route to PE3 to establish a BGP session to PE1
- B. Remove the traffic filtering rules on P2 blocking the BGP communication between PE1 and PE3
- C. Disable sending ICMP unreachables on P2 to allow PE1 to establish a session with PE3
- D. Ensure that the PE3 loopback address is used as a source for BGP peering to PE1
Answer: D
NEW QUESTION # 168
Which IPv6 feature enables a device to reject traffic when it is originated from an address that is not stored in the device binding table?
- A. IPv6 Source Guard
- B. IPv6 Snooping
- C. IPv6 DAD Proxy
- D. IPv6 RA Guard
Answer: A
Explanation:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipv6_fhsec/configuration/xe-3s/ip6f-xe-3s-book/ip6-src-guard
NEW QUESTION # 169
:586
While BGP internet routes are redistributed to a lower class of router via RIP. packets are being dropped and routes are failing to be distributed in RIP. Which action resolves the issue?
- A. Use the input-queue command to prevent the loss of packets.
- B. Use WFQ in the output queue of the high-performance router.
- C. Use RIP V2 to be able to use classless networks from BGP
- D. Use OSPF instead of RIP to accept all BGP routes.
Answer: A
NEW QUESTION # 170
A customer is running an mGRE DMVPN tunnel over WAN infrastructure between hub and spoke sites. The existing configuration allows NHRP to add spoke routers automatically to the multicast NHRP mappings. The customer is migrating the network from IPv4 to the IPv6 addressing scheme for those spokes' routers that support IPv6 and can run DMVPN tunnel over the IPv6 network.
Which configuration must be applied to support IPv4 and IPv6 DMVPN tunnels on spoke routers?
- A. tunnel mode ipv6ip 6to4
- B. tunnel mode ipv6ip 6rd
- C. tunnel mode ipv6ip isatap
- D. tunnel mode ipv6ip auto-tunnel
Answer: D
Explanation:
Specifies an IPv4-compatible tunnel using an IPv4-compatible IPv6 address.
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/interface/configuration/15-sy/ir-15-sy-book/ip6- auto-comp-tun.html
NEW QUESTION # 171
Refer to the exhibit.
When monitoring an IPv6 access list, an engineer notices that the ACL does not have any hits and is causing unnecessary traffic to pass through the interface Which command must be configured to resolve the issue?
- A. ip access-group INTERNET in
- B. ipv6 traffic-filter INTERNET in
- C. ipv6 access-class INTERNET in
- D. access-class INTERNET in
Answer: C
NEW QUESTION # 172
Unicast Reverse Path Forwarding (uRPF) has been configured on a service provider network to protect itself from spoofed based attacks. Which of the following are valid uRPF modes? (Choose two.)
- A. Open mode
- B. Block mode
- C. Closed mode
- D. Strict mode
- E. Loose mode
Answer: D,E
NEW QUESTION # 173
Drag and drop the MPLS terms from the left onto the correct definitions on the right.
Answer:
Explanation:
NEW QUESTION # 174
Refer to the exhibit.
Which interface configuration must be configured on the spoke A router to enable a dynamic DMVPN tunnel with the spoke B router?
- A. Option D
- B. Option A
- C. Option B
- D. Option C
Answer: C
Explanation:
Explanation
The command ip nhrp map multicast dynamic should be only used on Hub router, not spoke. If we are running dynamic routing protocols based on multicast (like RIP, OSPF, EIGRP ...) we have to add the command ip nhrp map multicast dynamic in Hub to replicate all multicast traffic to all dynamic entries in the NHRP table (multicast will be proceeded as unicast traffic) - The tunnel source FastEthernet0/0 is equivalent to tunnel source 172.17.0.2, which is the NBMA address of Spoke A.
NEW QUESTION # 175
Refer to the exhibit.
The network administrator can see the DHCP discovery packet in R1. but R2 is not replying to the DHCP request. The R1 related interface is configured with the DHCP helper address. If the PC is directly connected to the FaO/1 interface on R2, the DHCP server assigns as IP address from the DHCP pool to the PC. Which two commands resolve this issue? (Choose two.)
- A. ip dhcp relay information trust-all command on R2
- B. ip dhcp relay information enable command on R1
- C. service dhcp-relay command on R1
- D. ip dhcp option 82 command on R2
- E. service dhcp command on R1
Answer: D,E
NEW QUESTION # 176
Which two label distribution methods are used by routers in MPLS? (Choose two.)
- A. LDP session protection message
- B. targeted hello message
- C. downstream on demand
- D. LDP discovery hello message
- E. downstream unsolicited
Answer: C,E
Explanation:
After the LDP TCP connection session is established, the LSRs negotiate the session parameters, including the method of label distribution to be used. Two methods are available:
Downstream Unsolicited: An LSR advertises label mappings to peers without being asked to.
Downstream on Demand: An LSR advertises label mappings to a peer only when the peer asks for them.
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/mp_ldp/configuration/xe-16-11/mp-ldp-xe-16-
11-book/mp-ldp.html
NEW QUESTION # 177
Refer to the exhibit. R4 is experiencing packet drop when trying to reach 172.16.2.7 behind R2.
Which action resolves the issue?
- A. Enable auto summarization on all three routers R1, R2, and R3
- B. Disable auto summarization on R2
- C. Insert a /24 floating static route on R2 toward R3 with metric 254
- D. Insert a /16 floating static route on R2 toward R3 with metric 254
Answer: B
NEW QUESTION # 178
Refer to the exhibit.
A company is evaluating multiple network management system tools. Trending graphs generated by SNMP data are returned by the NMS and appear to have multiple gaps. While troubleshooting the issue, an engineer noticed the relevant output. What solves the gaps in the graphs?
- A. Remove the class map NMS from being part of control plane policing.
- B. Separate the NMS class map in multiple class maps based on the specific protocols with appropriate CoPP actions
- C. Remove the exceed-rate command in the class map.
- D. Configure the CIR rate to a lower value that accommodates all the NMS tools
Answer: B
Explanation:
Reference:
https://tools.cisco.com/security/center/resources/copp_best_practices
The class-map NMS in the exhibit did not classify traffic into specific protocols so many packets were dropped. We should create some class-map to classify the receiving traffic. It is also a recommendation of CoPP/CPP policy:
"Developing a CPP policy starts with the classification of the control plane traffic. To that end, the control plane traffic needs to be first identified and separated into different class maps."
NEW QUESTION # 179
Refer to the exhibit.
Refer to the exhibit. Site1 must perform unequal cost load balancing toward the segments behind Site2 and Site3. Some of the routes are getting load balanced but others are not. Which configuration allows Site1 to load balance toward all the LAN segments of the remote routers?
- A. Option D
- B. Option B
- C. Option A
- D. Option C
Answer: A
NEW QUESTION # 180
Refer to the exhibit.
Troubleshoot and ensure that branch B only ever uses the MPLS B network to reach HQ. Which action achieves this requirement?
- A. Introduce an AS path filter on branch A routers so that only local prefixes are advertised into BGP
- B. Modify the weight of all HQ prefixes received at branch B from the MPLS B network to be higher than the weights used on the MPLS A network
- C. Introduce AS path prepending on the branch A MPLS B network connection so that any HQ advertisements from branch A toward the MPLS B network are prepended three times
- D. increase the local preference for all HQ prefixes received at branch B from the MPLS B network to be higher than the local preferences used on the MPLS A network
Answer: A
Explanation:
Explanation
If we modify the weight, increase local preference or use AS path prepending then we can only make MPLS B prefer over MPLS A.
But when MPLS B is down then MPLS A will be used which does not meet the requirement of this question. Only with AS path filtering we can deny prefixes from certain AS and make sure branch B never uses MPLS A to reach HQ.
NEW QUESTION # 181
Refer to the exhibit.
Which action resolves the failed authentication attempt to the router?
- A. Configure aaa authorization console global command
- B. Configure aaa authorization login command on line vty 0 4
- C. Configure aaa authorization console command on line vty 0 4
- D. Configure aaa authorization login command on line console 0
Answer: A
Explanation:
In the debug output, we see that the Authorization (not Authentication) failed so we need to correct the authorization. In order to enable authorization, we must use the global command
"aaa authorization console" first.
Reference:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/security/a1/sec-a1-cr-book/sec-cr-a1.html
NEW QUESTION # 182
An engineer creates a default static route on a router with a hop of 10.1.1.1. On inspection, the engineer finds the router has two VRFs, Red and Blue. The next hop is valid for both VRFs and exists in each assigned VRF. Which configuration achieves connectivity?
A)
B)
C)
D)
- A. Option D
- B. Option B
- C. Option A
- D. Option C
Answer: C
NEW QUESTION # 183
Refer to the exhibit. An engineer configured NetFlow to capture traffic information through the router, but it iOS not working as expected. Which action captures the flow information from this router to the collector?
- A. Change the interface configuration FLOW-MONITOR-1 from input to output.
- B. Change the flow exporter transport protocol from UDP to TCP
- C. Configure a flow exporter under flow FLOW-MONITOR-1.
- D. Configure more than one flow exporter destination addresses.
Answer: C
NEW QUESTION # 184 
Refer to the exhibit. A network administrator configured mutual redistribution on R1 and R2 routers, which caused instability in the network. Which action resolves the issue?
- A. Apply a prefix list of EIGRP network routes in OSPF domain on R1 to propagate back into the EIGRP routing domain.
- B. Set a tag in the route map when redistributing EIGRP into OSPF on R1. and match the same tag on R2 to deny when redistributing OSPF into EIGRP.
- C. Set a tag in the route map when redistributing EIGRP into OSPF on R1. and match the same tag on R2 to allow when redistributing OSPF into EIGRP.
- D. Advertise summary routes of EIGRP to OSPF and deny specific EIGRP routes when redistributing into OSPF.
Answer: B
NEW QUESTION # 185
Refer to the exhibit.
Refer to the exhibit R1 cannot authenticate via TACACS Which configuration resolves the issue?
- A. Option D
- B. Option A
- C. Option B
- D. Option C
Answer: C
NEW QUESTION # 186
Refer to the exhibit. The administrator successfully logs into R1 but cannot access privileged mode commands. What should be configured to resolve the issue?
- A. secret cisco123! at the end of the username command instead of password cisco123!
- B. matching password on vty lines as cisco123!
- C. enable secret or enable password commands to enter into privileged mode
- D. aaa authorization reverse-access
Answer: C
NEW QUESTION # 187
Refer to the exhibit.
A network engineer for AS64512 must remove the inbound and outbound traffic from link A during maintenance without closing the BGP session so that there ............ a backup link over link A toward the ASN.
Which BGP configuration on R1 accomplishes this goal?
- A.
- B.
- C.
- D.
Answer: D
NEW QUESTION # 188
Refer to the exhibit.
An IPv6 network was newly deployed in the environment and the help desk reports that R3 cannot SSH to the R2s Loopback interface. Which action resolves the issue?
- A. Modify line 30 of the access list to permit instead of deny.
- B. Remove line 70 from the access list.
- C. Remove line 60 from the access list.
- D. Modify line 10 of the access list to permit instead of deny.
Answer: A
NEW QUESTION # 189
Drag and Drop the IPv6 First-Hop Security features from the left onto the definitions on the right.
Answer:
Explanation:
Explanation
Graphical user interface, chart Description automatically generated
NEW QUESTION # 190
......
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