[Oct 20, 2023] 100% Real & Accurate 350-501 Questions with Free and Fast Updates
Self-Study Guide for Becoming an Implementing and Operating Cisco Service Provider Network Core Technologies Expert
NEW QUESTION # 203
Refer to me exhibit.
Refer to the exhibit. A network engineer notices PE-21 convergence degradation due to the growing LSDB size of Level 2 areas in the network. The engineer decides to migrate router PE-21 from an inter-area design to an intra-area implementation. Inter-area routing must be accomplished via an ATT-bit set by the Level 1/Level 2 router. Which configuration must the engineer implement on PE-21 to complete the migration?
- A. configure terminal
router isis 1
no net 49.0200
net 49.5000
is-type level-1-2
end - B. configure terminal
router isis 1
net 49.5000.0100.1222.0022.00
is-type level-1
end - C. configure terminal
router isis 1
net 49.5000.0100.1202.0021.00
is-type level-1-2
end - D. configure terminal
router isis 1
no net 49.0200.0100.1202.0021.00
net 49.5000.0100.1202.0021.00
is-type level-1
end
Answer: D
NEW QUESTION # 204
Which feature will an operator use while implementing MPLS TE on customer's network, to prevent an LSP from using any overseas links?
- A. bandwidth
- B. affinity
- C. SLRG
- D. explicit path
Answer: C
Explanation:
Section: MPLS and Segment Routing
NEW QUESTION # 205
Refer to the exhibit:
- A. The router uses NSF to handle RP switchover while allowing neighbor relationships to remain up
- B. The router uses NSF to reduce neighbor-relationship downtime during RP switchover
- C. The router uses NSF to load balance traffic between two links, with the primary link alternating every 90 seconds
- D. The router uses NSF to load balance traffic on a routed EtherChannel
Answer: A
NEW QUESTION # 206
Refer to the exhibit. The operations team is implementing an LDP-based configuration in the service provider core network with these requirements:
- R1 must establish LDP peering with the loopback IP address as its
Router-ID.
- Session protection must be enabled on R2.
How must the team update the network configuration to successfully enable LDP peering between R1 and R2?
- A. Configure LDP session protection on R1.
- B. Change the LDP password on R2 to Cisco.
- C. Configure mpls ldp router-id loopback0 on R1 and R2.
- D. Change the discover hello hold time and interval to their default values.
Answer: C
NEW QUESTION # 207
The network operation center is receiving an excessive number of BFD alerts.
This is due to recently configured high-speed links that result in BGP session teardown.
Engineers tried to modify the BFD timers, but no improvement was noticed.
Which action maximizes network stability?
- A. modify the IGP hello timers
- B. enable the BFD Dampening feature
- C. fully remove the BFD configuration
- D. enable the BGP Dampening feature
Answer: B
NEW QUESTION # 208
A network engineer must enable the helper router to terminate the OSPF graceful restart process if it detects any changes in the LSA.
Which command enables this feature?
- A. nsf ietf helper disable
- B. nsf cisco helper disable
- C. nsf ietf helper strict-lsa-checking
- D. nsf cisco enforce global
Answer: A
Explanation:
Section: Networking
Explanation/Reference: https://www.cisco.com/c/en/us/td/docs/ios/12_4t/ip_route/configuration/guide/tgrhelp.html
NEW QUESTION # 209
Refer to the exhibit.
An engineer is configuring multitiopology IS-IS for IPv6 on router R1. Which additional configuration must be applied to complete the task?
A)
B)
C)
- A. Option B
- B. Option D
- C. Option A
- D. Option C
Answer: D
NEW QUESTION # 210
Drag and drop the functions from the left onto the Path Computation Element Protocol roles on the right.
Answer:
Explanation:
Explanation
PCE - 1,2,5
PCC- 3,4
NEW QUESTION # 211
Which regular expression query modifier function indicates the start of a string?
- A. [^]
- B. +
- C. ^
- D. $
Answer: C
NEW QUESTION # 212
Which module refers to the network automation using Ansible?
- A. the iosxr_system module to collect facts from remote devices
- B. the losxr_logging module to run debugging for seventy levels 2 to 5
- C. the iosxr_user module to manage banners for users in the local database
- D. the iosxr_command module to issue run commands on remote devices
Answer: D
NEW QUESTION # 213
You are writing an RPL scnpt to accept routes only from certain autonomous systems Consider this code.
If you apply this code to BGP filters, which effect does the code have on your router?
- A. denies routes from AS 7070
- B. allows routes from AS 7077
- C. allows routes from AS 770
- D. denies routes from AS 7007
Answer: B
NEW QUESTION # 214
Which statement about the Cisco MPLS TE forwarding adjacency feature is true?
- A. It enables the tailend router to advertise routes to the headend router over the tunnel.
- B. It enables the Cisco MPLS TE tunnel to be advertised into the running IGP.
- C. It enables the MPLS core to use EIGRP as the routing protocol.
- D. It enables the headend and tailend routers to establish a bidirectional tunnel.
Answer: B
Explanation:
Section: Architecture
Explanation/Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/mp_te_path_setup/configuration/xe-16/mp-te- path-setup-xe-16-book/mpls-traffic-engineering-forwarding-adjacency.pdf
NEW QUESTION # 215
Refer to the exhibit.
Refer to the exhibit. A network engineer is implementing multicast Source-A to send a multicast stream for Receiver-A, and multicast Source-B to send a multicast stream for Receiver-B. Router RC forwards the IGMP host a report and leaves messages to IP address 192.168.10.1. How must the multicast features be implemented to prevent RB from receiving multicast flooding from Source-A?
- A. Enable ip pim passive on RB interface Ge0/0.
- B. Enable ip pim neighbor-filter on RC interface Ge0/0.
- C. Configure PIM-SSM on RB and RC interface Ge 0/0.
- D. Change the helper-address value to 192.168.10.2 on RC.
Answer: A
NEW QUESTION # 216
Refer to the exhibit.
ASN 64501 currently reaches the networks under the 10.0.0.0/8 prefix via the North_B router, which is a slow backup link. The administrator of ASN 64502 wants traffic from ASN 64501 to 10.0.0.0/8 to travel via the primary link North_A. Which change to the network configuration accomplishes this task?
- A. Advertise the 10.0.0.0/8 prefix through North_B and specific subnets through North_A
- B. Set a lower MED between North_B and South_B
- C. Set a higher local preference between North_A and South_A
- D. Set a Lower Weight value for incoming traffic on North_A
Answer: B
NEW QUESTION # 217 
Refer to the exhibit. A network operator working for service provider with an employee id: 1234:56:789 applied this configuration to a router.
Which additional step should the engineer use to enable LDP?
- A. Enable MPLS LDP on the interface.
- B. Configure the both keyword to enable LDP globally.
- C. Disable Cisco Express Forwarding globally.
- D. Delete the static router ID.
Answer: A
Explanation:
Section: MPLS and Segment Routing
NEW QUESTION # 218
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