CCNA Service Provider Practice Test Results

Question 1
35% answer correctly
Given these four Class B networks: 172.104.0.0, 172.105.0.0, 172.106.0.0, 172.107.0.0, what is the supernet (CIDR) address that summarizes these four Class B networks?
172.104.0.0/11
172.104.0.0/14
172.104.0.0/15
172.104.0.0/12
172.104.0.0/13
Question 2
49% answer correctly
On Cisco IOS Switches, which port security violation mode results in frames from non-allowed MAC address being dropped, log message created, and SNMP trap sent?
restrict
err-disabled
protect
shutdown
log
Question 3
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(admin)# show platform
RP/0/RSP0/CPU0:PE1# show controllers
RP/0/RSP0/CPU0:PE1# show interface GigabitEthernet 0/0/0/1
RP/0/RSP0/CPU0:PE1(admin)# show hw-module fpd location all
RP/0/RSP0/CPU0:PE1(config)# show bundle
RP/0/RSP0/CPU0:PE1# show ipv4 interfaces brief