CCNA Service Provider Practice Test Results

Question 1
43% answer correctly
Which Cisco IOS XR command is involved in enabling remote access?
RP/0/RSP0/CPU0:PE1(config)# vrf default
RP/0/RSP0/CPU0:PE1(config)# username CISCO password LAZ
RP/0/RSP0/CPU0:PE1(config)# telnet ipv4 server max-servers 20
RP/0/RSP0/CPU0:PE1(config)# line console 0
RP/0/RSP0/CPU0:PE1(config)# router static
Question 2
63% answer correctly
What does a transparent LAN switch use to build its CAM table?
STP messages exchanged with neighbor bridges
BPDU messages exchanged with neighbor bridges
Dynamic routing protocol updates from neighbor bridges
Analysis of the source MAC address of incoming frames on the bridge ports
Question 3
31% answer correctly
Which of the following about STP operations is true?
One root bridge exists per collision domain.
One root port is established per root bridge.
Non-designated ports are set in the forwarding state.
One root port exists per broadcast domain.
One designated port is defined per segment.