500-230 Online Practice Questions and Answers

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

A. context

B. dumpcore

C. exception

D. follow

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

A. show

B. trace processes

C. show process dynamic

D. monitor processes

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

How many times are Layer 3 lookups performed on a packet transiting a CRS or 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 egress linecard

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.

Which protocol is a PE to CE routing protocol?

A. ODR

B. LDP

C. RIPv1

D. eBGP

How do you verify the label(s) used between the ASBRs in Option A Inter-AS L3VPN operation?

A. There are no labels used between the ASBRs

B. Verify the labels assigned by MP-BGP in the SHOW BGP VPNV4 UNICAST

C. Verify the labels assigned by MP-BGP in the SHOW CEF VRF output

D. Verify the labels assigned by LDP in the output of SHOW MPLS FORWARDING

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

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

A. every 500 msec

B. every 2 sec

C. every 200 msec

D. every 1 sec