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500-230 Online Practice Questions

Cisco Service Provider Routing Field Engineer

30 questions available · Page 1 of 3

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Question 1 Single choice

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

  1. A

    router(config-eigrp-af)# redistribute bgp 65001

  2. B

    router(config-eigrp-vrf-af)# redistribute bgp 65001

  3. C

    rouur(config-eigrp-vrf)# redistribute bgp 65001

  4. D

    router(config-eigrp)# redistribute bgp 65001

Show answer and explanation

Correct answer: B

Question 2 Single choice

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

  1. A

    IPv6 unicast

  2. B

    There is no default address-family

  3. C

    IPv4 unicast

  4. D

    VPNv4

Show answer and explanation

Correct answer: B

Question 3 Single choice

Which command is run to make changes permanent and survive a reload after executing the command "copy disk0:config-file.txt running-config"?

  1. A

    Commit Confirm

  2. B

    Commit Copy

  3. C

    Command not require, changes are committed automatically

  4. D

    Commit

Show answer and explanation

Correct answer: D

Question 4 Single choice

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

  1. A

    Via an eBGP multihop connection between the Ingress PE's in each AS.

  2. B

    Via an eBGP multihop connection between a Route-Reflector in each AS.

  3. C

    There are no labels exchanged between the two AS'es.

  4. D

    Via an eBGP connection between the directly connected ASBR's, one in each AS.

Show answer and explanation

Correct answer: D

Question 5 Single choice

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

  1. A

    Three times: in the ingress linecard, the fabric, and the egress linecard

  2. B

    Once: in the active RP/RSP

  3. C

    Once: in the ingress linecard

  4. D

    Twice: in the ingress linecard and again in the egress linecard

Show answer and explanation

Correct answer: A

Question 6 Single choice

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

  1. A

    interface preconfigure

  2. B

    preconfigure interface

  3. C

    interface vrf preconfig

  4. D

    controller preconfigure

Show answer and explanation

Correct answer: A

Question 7 Single choice

When are core dump files created by the system?

  1. A

    There are too many critical events.

  2. B

    There are too many duplicate messages.

  3. C

    The commit database is full.

  4. D

    A process fails or terminates abnormally.

Show answer and explanation

Correct answer: D

Question 8 Single choice

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

  1. A

    logging 172.21.116.27

  2. B

    syslog server1

  3. C

    logging syslog-server 172.21.116.27

  4. D

    enable syslog server1

Show answer and explanation

Correct answer: A

Question 9 Single choice

How frequently does the WDSYSMON Watcher thread wake up to check counters?

  1. A

    every 500 msec

  2. B

    every 2 sec

  3. C

    every 200 msec

  4. D

    every 1 sec

Show answer and explanation

Correct answer: D

Question 10 Single choice

Which statements are true regarding L3VPN configurations?

  1. A

    Prior to configuring a vrf within MP-BGP, the router has to have instantiated the VPNv4 or VPNv6 address-family.

  2. B

    On a single PE router, the Route Distinguisher and the Route Targets must be the same.

  3. C

    Prior to configuring a neighbor in the VPNv4 address-family, it must already be configured for IPv4-
    Unicast.

  4. D

    The import and export Route Targets must be the same on a PE.

Show answer and explanation

Correct answer: C