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Refer to the Exhibit Practice Questions

Practise Cisco SPCOR / CCNP Service Provider Core 350-501 practice questions — original exam-style scenarios covering every exam domain, with detailed explanations, wrong-answer analysis, and common exam traps.

15
scenario questions
350-501
exam code
Cisco
vendor

Scenario guide

How to approach refer to the exhibit practice questions

Practise exhibit-style questions that ask you to read a topology, table, command output or diagram before choosing the best answer.

Quick answer

Exhibit-style questions test whether you can read a topology, command output, diagram or table before choosing the best answer.

How to extract the relevant detail from an exhibit.

How topology, command output or routing information affects the answer.

How to avoid answering from memory before reading the evidence.

How to map the exhibit back to the exam objective.

Related practice questions

Related 350-501 topic practice pages

Scenario questions usually connect to one or more exam topics. Use these links to review the underlying concepts behind the scenario.

Practice set

Practice scenarios

Question 1easymultiple choice
Full question →

Refer to the exhibit. The show command output displays the LDP neighbor state. What does the 'Downstream' label mode indicate about label distribution?

Exhibit

Refer to the exhibit.

Router# show mpls ldp neighbor
Peer LDP Ident: 192.168.1.2:0; Local LDP Ident: 192.168.1.1:0
TCP connection: 192.168.1.2.646 - 192.168.1.1.58370
State: Operacional; Msgs sent/rcvd: 342/341; Downstream
Up time: 02:34:21
LDP discovery sources:
  GigabitEthernet0/0/0/0; Src IP addr: 192.168.1.2, transport address: 192.168.1.2
  targeted-hello 192.168.1.2 -> 192.168.1.1
  holdtime: 15 sec; proposed local/peer: 15/15
  LDP id: 192.168.1.2:0
Question 2hardmultiple choice
Open the full BGP breakdown →

Refer to the exhibit. Which statement about this BGP configuration is true?

Exhibit

Refer to the exhibit.
! On PE router
router bgp 65000
 neighbor 10.1.1.1 remote-as 65000
 neighbor 10.1.1.1 update-source Loopback0
 !
 address-family vpnv4
  neighbor 10.1.1.1 activate
  neighbor 10.1.1.1 send-community extended
  neighbor 10.1.1.1 next-hop-self
 !
 address-family ipv4 vrf CUST_A
  redistribute ospf 1 vrf CUST_A
  no synchronization
 !
!
Question 3hardmultiple choice
Read the full MPLS explanation →

A service provider is deploying a new MPLS core with Segment Routing and requires fast convergence upon link failure. They plan to use TI-LFA (Topology Independent Loop-Free Alternate). What is a prerequisite for TI-LFA to provide protection against any single link failure?

Question 4hardmultiple choice
Read the full REST/YANG explanation →

Refer to the exhibit. An engineer pushes this XML configuration via NETCONF, but the device rejects it with an error stating 'invalid policy-map structure'. What is the problem?

Exhibit

<config xmlns:xc="urn:ietf:params:xml:ns:netconf:base:1.0">
  <native xmlns="http://cisco.com/ns/yang/Cisco-IOS-XE-native">
    <policy>
      <policy-map>
        <name>QOS-POLICY</name>
        <class>
          <name>VOICE</name>
          <priority>
            <level>1</level>
          </priority>
          <police>
            <cir>64000</cir>
            <bc>8000</bc>
            <conform-action>
              <transmit/>
            </conform-action>
            <exceed-action>
              <drop/>
            </exceed-action>
          </police>
        </class>
      </policy-map>
    </policy>
  </native>
</config>
Question 5hardmultiple choice
Read the full MPLS explanation →

Based on the exhibit, what is the purpose of the 'mpls ldp neighbor ... password cisco' commands?

Exhibit

Refer to the exhibit.

interface GigabitEthernet0/0
 ip address 192.168.1.1 255.255.255.252
 mpls ip
 mpls mtu 1500
 no shutdown

interface GigabitEthernet0/1
 ip address 192.168.2.1 255.255.255.252
 mpls ip
 mpls mtu 1500
 no shutdown

router ospf 1
 network 192.168.1.0 0.0.0.3 area 0
 network 192.168.2.0 0.0.0.3 area 0

mpls label protocol ldp
mpls ldp router-id Loopback0 force

mpls ldp neighbor 192.168.1.2 password cisco
mpls ldp neighbor 192.168.2.2 password cisco
Question 6hardmultiple choice
Read the full VRF explanation →

Based on the exhibit, why is the route 10.10.10.0/24 from remote PE not installed in the VRF Customer-A on PE1?

Exhibit

Refer to the exhibit.

PE1#show ip bgp vpnv4 vrf Customer-A 10.10.10.0/24
BGP routing table entry for 10.10.10.0/24, version 6
Paths: (2 available, best #2, table Customer-A)
  Advertised to update-groups:
     1
  Refresh Epoch 2
  Local
    65000 65001
      10.1.1.1 (metric 20) from 10.1.1.1 (192.168.1.1)
        Origin IGP, metric 0, localpref 100, valid, internal, best
        Extended Community: RT:100:100
        mpls labels in/out vpn-label:24000
        rx pathid: 0, tx pathid: 0x0
      Path #2: (not installed because of route-target mismatch?)
  Not advertised to any peer

PE1#show run | section vrf Customer-A
vrf Customer-A
 rd 100:1
 route-target export 100:100
 route-target import 200:200
!
Question 7mediummultiple choice
Review the full routing breakdown →

Refer to the exhibit. The router has an outgoing label of 'Pop' for prefix ***********. What does this imply?

Exhibit

Refer to the exhibit.

Router# show mpls forwarding-table
Local  Outgoing    Prefix            Bytes Label   Outgoing   Next Hop
Label  Label       or Tunnel Id      Switched      Interface
16     Pop         ***********       0             Gi0/0/0    192.168.1.2
17     18          10.1.1.0/24       1500          Gi0/0/1    192.168.2.2
18     20          10.2.2.0/24       3000          Gi0/0/1    192.168.2.2
19     Untagged    10.3.3.0/24       0             Gi0/0/2    192.168.3.2
Question 8easymultiple choice
Read the full VRF explanation →

Refer to the exhibit. The VRF CUSTOMER is configured with route-target import 100:1. Why is this route not installed in the VRF table?

Exhibit

show bgp vpnv4 unicast vrf CUSTOMER 10.1.1.0/24
BGP routing table entry for 10.1.1.0/24, version 5
Paths: (1 available, best #1)
  Network: 10.1.1.0/24
  Path: 100
    from 192.168.1.1 (192.168.1.1)
      Origin IGP, metric 0, localpref 100, weight 32768, valid, external, best
      Extended Community: RT:200:1
Question 9mediummultiple choice
Full question →

Which MEF Carrier Ethernet service type is used for a rooted-multipoint topology, where a single root site communicates with multiple leaf sites but leaf sites cannot communicate directly?

Question 10mediummulti select
Open the full BGP breakdown →

An engineer is designing an iBGP route reflector topology to improve scalability. Which two statements about BGP route reflectors are correct?

Question 11mediummulti select
Open the full BGP breakdown →

A service provider is implementing BGP route reflectors to scale iBGP. Which THREE mechanisms are used to prevent routing loops in a route reflector topology? (Choose three.)

Question 12hardmultiple choice
Review the full routing breakdown →

Refer to the exhibit. An operator configures an SR-TE policy on a headend router. Which statement is true about the traffic steered into this policy?

Exhibit

segment-routing traffic-engineering
 policy POLICY1
  color 100 end-point 192.0.2.1
  candidate-path path1
   preference 50
   explicit segment-list SEG1
!
 segment-list SEG1
  index 10 mpls label 16000
  index 20 mpls label 16001
  index 30 mpls label 16002
!
Question 13easymultiple choice
Full question →

Refer to the exhibit. Which statement is true about this configuration?

Exhibit

interface GigabitEthernet0/0/0
 ip address 192.168.1.1 255.255.255.0
 mpls ip
 mpls ldp autocfg
Question 14mediummultiple choice
Review the full OSPF breakdown →

Refer to the exhibit. The router cannot form a full OSPF adjacency with 10.0.0.2. Which is the most likely cause?

Exhibit

show ip ospf neighbor
Neighbor ID     Pri   State           Dead Time   Address         Interface
10.0.0.2        1    EXSTART/DR     00:00:35    10.0.1.2        GigabitEthernet0/0
Question 15hardmultiple choice
Read the full MPLS explanation →

Refer to the exhibit. The output shows an MPLS forwarding entry with FRR protection. What is the purpose of the backup path shown?

Exhibit

Refer to the exhibit.

Router# show mpls forwarding-table 192.168.10.0/24 detail
Local  Outgoing    Prefix            Bytes Label   Outgoing   Next Hop
Label  Label       or Tunnel Id      Switched      interface
200    16015       192.168.10.0/24   1000          Gi0/0/0    10.1.1.2
      MAC/Encaps: 14/18, MTU: 1500, Label Stack {16015(vcd)}
      VPN label: 1234 (L3VPN)
      Paths: 1 active
      Backup path: via Gi0/0/1, 10.1.1.6, label 16020
      Protection: FRR active, state: ready
      Time since last switch: 00:01:23

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