500-230 Online Practice Questions and Answers

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.

What BGP address-families are used between the ASBRs in the different AS'es in an IPv4 Option C Layer3 VPN solution?

A. VPNv4 Unicast Only

B. IPv4 Umcast and VPNv4 Unicast

C. IPv4 Labeled-Unicast only

D. IPv4 Unicast and IPv4 Labeled-Unicast

Which statements are true regarding L3VPN configurations?

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

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

C. Prior to configuring a neighbor in the VPNv4 address-family, it must already be configured for IPv4Unicast.

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

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

D. router(config-eigrp)# redistribute bgp 65001

When are core dump files created by the system?

A. There are too many critical events.

B. There are too many duplicate messages.

C. The commit database is full.

D. A process fails or terminates abnormally.

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

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

What is included in a VPNv4 route?

A. IPv4 prefix and Route Distinguisher

B. IPv4 prefix and Route Target

C. MP-BGP prefix and Route Target

D. MP-BGP prefix and Route Distinguisher

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

What does "ifmgr" represent in the output below?

LC/0/3/CPU0:Mar 23 08:04:31.644 : ifmgr[151]: %PKT_INFRA-LINEPROTO-5-UPDOWN : Line protocol on Interface POS0/3/0/7, changed state to Down

A. The SYSMGR process restarted the ifmgr process as a result of this log message.

B. The WDSYSMON process is tracking this process to prevent it from bringing the interface up.

C. The ifmgr process has restarted 151 times and brought the interface down as a result.

D. The ifmgr process created this log message.