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)# router static
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)# username CISCO password LAZ
RP/0/RSP0/CPU0:PE1(config)# vrf default
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
Analysis of the source MAC address of incoming frames on the bridge ports
Dynamic routing protocol updates from neighbor bridges
Question 3
42% answer correctly
Given the CIDR address range of 200.165.160.0 to 200.165.191.255, what is the CIDR block?
200.165.160.0/21
200.165.160.0/19
200.165.160.0/17
200.165.160.0/20
200.165.160.0/18