CCNA Service Provider Practice Test Results

Question 1
63% answer correctly
What does a transparent LAN switch use to build its CAM table?
Analysis of the source MAC address of incoming frames on the bridge ports
BPDU messages exchanged with neighbor bridges
STP messages exchanged with neighbor bridges
Dynamic routing protocol updates from neighbor bridges
Question 2
70% answer correctly
Which Cisco IOS XR command presents a list of all interfaces, their Layer 3 address (if configured), and the status of the interface and protocol?
RP/0/RSP0/CPU0:PE1(config)# show bundle
RP/0/RSP0/CPU0:PE1# show interface GigabitEthernet 0/0/0/1
RP/0/RSP0/CPU0:PE1(admin)# show platform
RP/0/RSP0/CPU0:PE1# show controllers
RP/0/RSP0/CPU0:PE1(admin)# show hw-module fpd location all
RP/0/RSP0/CPU0:PE1# show ipv4 interfaces brief
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?
200.165.160.0/19
200.165.160.0/18
200.165.160.0/17
200.165.160.0/20
200.165.160.0/21