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NEW QUESTION 1
Refer to the exhibit. After you applied these configurations to routers R1 and R2, the two devices could not form a neighbor relationship. Which reason for the problem is the most likely?
- A. The two routers cannot authenticate with one another.
- B. The two routers have the same area ID.
- C. The two routers have the same network ID.
- D. The two routers have different IS-types.
Answer: C
NEW QUESTION 2
Refer to the exhibit. CE1 is the gateway router into the provider network via PE1. A network operator must inject a default route into OSPF area 0. All devices inside area 0 must be able to reach PE1. Which configuration achieves this goal?
- A.
B.
Answer: B
NEW QUESTION 3
Which statement about BFD on Cisco IOS XR Software is true?
- A. Cisco IOS XR router must use LDP to route back to the Cisco IOS router to establish the peer relationship.
- B. Cisco IOS XR Software does not support BFD multihop for IPv4.
- C. Cisco IOS XR router must use dynamic routing or a static route back to the Cisco IOS router to establish the peer relationship.
- D. BFD is not compatible between Cisco IOS XR and Cisco IOS Software.
Answer: C
NEW QUESTION 4
Refer to the exhibit. A network engineer implemented this segment routing configuration. Which statement about the output is true?
- A. This range conflicts with the segment routing local block range.
- B. The device must be reloaded for these ranges to be allocated and used.
- C. The default segment routing global block range is being used on this device.
- D. A nondefault segment routing global block range is being used on this device.
Answer: D
NEW QUESTION 5
For which reason can two devices fail to establish an OSPF neighbor relationship?
- A. The two devices have different process IDs
- B. The two devices have different network types
- C. The two devices have different router IDs
- D. The two devices have the same area ID
Answer: B
NEW QUESTION 6
Which statement about enabling segment routing for IGPs is true?
- A. Segment routing must first be enabled under then routing process and then globally
- B. Segment routing must first be enabled globally and then under the routing process
- C. Segment routing can be enabled only under the routing process
- D. Segment routing can be enabled only globally
Answer: B
NEW QUESTION 7
Refer to the exhibit. Router 1 has attempted to establish a Cisco MPLS TE tunnel to router 2, but the tunnel has failed. Which statement about this configuration is true?
- A. Router 1 must define an explicit path to router 2
- B. Router 1 and router 2 must define the RSVP bandwidth reserved on the physical interfaces
- C. Router 2 must have a tunnel interface created with router 1 as the destination
- D. Router 1 must have Cisco MPLS TE enabled on interface gigabitethernet0/1
Answer: D
NEW QUESTION 8
Which output from the show isis interface command helps an engineer troubleshoot an IS-IS adjacency problem on a Cisco IOS-XR platform?
- A. metric
- B. priority
- C. circuit type
- D. hello interval
Answer: D
NEW QUESTION 9
What can be used to determine a path from the head-end to a tail-end router when implementing SR-TE with a head-end, with little information on the network topology?
- A. traffic controller
- B. path computation engine
- C. tail-end router
- D. SNMP server
Answer: B
NEW QUESTION 10
Which two statements about mapping multicast IP addresses to MAC addresses are true? (Choose two.)
- A. All mapped multicast MAC addresses begin with 0x0100.5E
- B. The router performs the mapping before it hands the packet off to a switch
- C. All multicast MAC addresses end with 0x0100.5E
- D. The mapping process may generate overlapping addresses, which can cause receivers to receive unwanted packets
- E. All destination MAC addresses begin with an octet of binary 1s
Answer: AD
NEW QUESTION 11
Refer to the exhibit. A network operator must inject a Level 1 route from XR2 (10.16.16.0/24) into the ISIS topology. Which configuration allows the injection in a way that XR3 and XR1 have a valid and working route for 10.16.16.0/24?
- A. A.
B.
C.
- B.
Answer: C
NEW QUESTION 12
Refer to the exhibit. Which router does R1 install as an alternate next hop when trying to reach R3 if LFA is enabled?
- A. R5
- B. R3
- C. R4
- D. R2
Answer: D
NEW QUESTION 13
Refer to the exhibit. Which tree does multicast traffic follow?
- A. shared tree
- B. MDT default
- C. source tree
- D. MDT voice
Answer: B
NEW QUESTION 14
Refer to the exhibit. P1 and PE3 Cisco IOS XR routers are directly connected and have this configuration applied. The BGP session is not coming up. Assume that there is no IP reachability problem and both routers can open tcp port 179 to each other. Which action fixes the issue?
- A. Change HMAC-MD5 to HMAC-SHA1-20
- B. Configure the send and accept lifetime under key 1
- C. Change HMAC-MD5 to MD5
- D. Change HMAC-MD5 to HMAC-SHA1-12
Answer: B
NEW QUESTION 15
You have configured routing policies on a Cisco IOS XR device with routing policy language. Which two statements about the routing policies are true? (Choose two.)
- A. The routing policies affect BGP-related routes only.
- B. If you make edits to an existing routing policy without pasting the full policy into the CLI, the previous policy is overwritten.
- C. You can change an existing routing policy by editing individual statements.
- D. The routing policies are implemented in a sequential manner.
- E. The routing policies are implemented using route maps.
Answer: CD
NEW QUESTION 16
Refer to the exhibit. CE1 and CE2 cannot communicate through the service provider BGP peering is established between PE1 and PE2. IS-IS is the only routing protocol running in the service provider core. What step can be done to troubleshoot the issue?
- A. Switch the IGPs running in the core from IS-IS to OSPF to support a Cisco MPLS TE tunnel from PE1 to PE2.
- B. Configure BGP between CE and PE routers.
- C. Confirm that IS-IS is running with metric-style narrow.
- D. Verify the MPLS LSPs.
Answer: C
NEW QUESTION 17
Refer to the exhibit. Which LSA type is indicated by this router output?
- A. type 3 LSA
- B. type 4 LSA
- C. type 1 LSA
- D. type 2 LSA
Answer: C
NEW QUESTION 18
Which cost is the default when redistributing routes from BGP to OSPF?
- A. 20
- B. 1
- C. infinite
- D. automatic
Answer: B
NEW QUESTION 19
Which two statements about route reflectors are true? (Choose two.)
- A. Routes received from nonclient peers are reflected to route reflector clients as well as nonclient peers.
- B. Routes received from nonclient peers are reflected to route reflector cluster as well as OSPF peers.
- C. If a router received an iBGP route with the originator-ID attribute set to its own router ID, the route is discarded.
- D. Routes received from a route reflector client is reflected to other clients and nonclient peers.
- E. If a route reflector receives a route with a cluster-list attribute containing a different cluster ID, the route is discarded.
Answer: CD
NEW QUESTION 20
Refer to the exhibit. XR1 and XR2 are sending the prefix 10.11.11.0/24 to XR3. A configured policy on XR1 is incorrectly prepending AS path 11 11 12 12 onto this prefix. A network operator wants to add a policy onto XR3 that will not allow the falsely prepending prefix from being installed. Which policy configuration applied to the XR3 neighbor configuration for XR1 can accomplish this requirement without impact to other or future received routes?
- A.
- B.
C.
- C.
Answer: D
NEW QUESTION 21
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