Cisco Service Provider Routing Field Engineer v1.0 (500-230)

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Total 30 questions

What is the default MP-BGP address-family on IOS-XR?

  • A. IPv6 unicast
  • B. There is no default address-family
  • C. IPv4 unicast
  • D. VPNv4


Answer : B

Which command removes a user from configuration mode but keeps the user connected to the router?

  • A. clear line
  • B. clear session
  • C. clear commit
  • D. clear config session


Answer : D

Which command is used to configure an interface that does not currently exist in the system?

  • A. interface preconfigure
  • B. preconfigure interface
  • C. interface vrf preconfig
  • D. controller preconfigure


Answer : A

What is the TRACE command?

  • A. A packet tracer showing the path of a packet from ingress to egress in the router.
  • B. The replacement for TraceRoute in IOS-XR.
  • C. A form of always-on debugging available for a subset of commands.
  • D. Exactly the same as the debug command, must be explicitly turned on.


Answer : A

One of your peers show <NO NEG> in the SHOW BGP VPNV4 UNICAST SUMMARY output. What is the cause of this?

  • A. The label value ranges are mismatched.
  • B. The peer has no prefixes with a Route-Target that the local router is importing.
  • C. The BGP prefixes between the routers have not fully converged and will correct itself in time.
  • D. The peer router is not configured to use the VPNv4 address-family for this connection.


Answer : D

Which command is similar to the Unix TOP command to display process utilization information?

  • A. show
  • B. trace processes
  • C. show process dynamic
  • D. monitor processes


Answer : D

Which command is used to redistribute BGP into EIGRP for a Layer 3 VPN customer?

  • A. router(config-eigrp-af)# redistribute bgp 65001
  • B. router(config-eigrp-vrf-af)# redistribute bgp 65001
  • C. router(config-eigrp-vrf)# redistribute bgp 65001
  • D. router(config-eigrp)# redistribute bgp 65001


Answer : B

What command is used to manually generate a core dump to aid in troubleshooting a process?

  • A. context
  • B. dumpcore
  • C. exception
  • D. follow


Answer : C

How many times are Layer 3 lookups performed on a packet transiting a CRS of ASR9k router?

  • A. Three times: in the ingress linecard, the fabric, and the egress linecard
  • B. Once: in the active RP/RSP
  • C. Once: in the ingress linecard
  • D. Twice: in the ingress linecard and again in the ingress linecard


Answer : A

Which method or protocol exchanges label information?

  • A. MP-BGP
  • B. MOSPF
  • C. LSR
  • D. OSPFv3


Answer : A

Which is required on the CE router in an L3VPN solution?

  • A. Configure the PE-CE Routing protocol
  • B. Define the VPN by creating a VRF
  • C. Assign the PE facing interface to a VRF
  • D. Configure MPLS forwarding on the interface to the PE router


Answer : A

Which command is an example of how to configure system logging to a Syslog server?

  • A. logging 172.21.116.27
  • B. syslog server1
  • C. logging syslog server 172.21.116.27
  • D. enable syslog server1


Answer : A

Which protocol is a PE to CE routing protocol?

  • A. ODR
  • B. LDP
  • C. RIPv1
  • D. eBGP


Answer : D

How are labels exchanged between the AS"™es in an Option B Layer-3 VPN solution?

  • A. Via an eBGP multihop connection between the Ingress PE"™s in each AS.
  • B. Via an eBGP multihop connection between a Route-Reflector in each AS.
  • C. There are no labels exchanged between the two AS"™es.
  • D. Via an eBGP multihop connection between the directly connected ASBR"™s, one in each AS.


Answer : D

What is currently required for eBGP sessions in IOS-XR that was not required in IOS?

  • A. Default MED values
  • B. Local-Preference values
  • C. Send Communities
  • D. Route-Filter In and Out


Answer : D

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Total 30 questions