CCNA Service Provider Practice Test Results

Question 1
42% answer correctly
On Cisco IOS XR, for which purpose is the turboboot procedure used?
Use the negotiation auto command in interface configuration mode to enable link auto-negotiation to ensure that devices that share a link segment are automatically configured with the highest performance.
The range for MTU values is 64 bytes to 1518 bytes on the interface.
To install and boot up a PIE
To perform an ISSU
To speed up the time it takes to boot up the IOS XR router
The configuration supports only full-duplex operation.
To install the IOS XR software from scratch using the ROM Monitor mode
The interface has no flow control configuration.
To install and boot up a SMU
Which of the following about 10/40/100 GigabitEthernet interface configuration on Cisco IOS XR is true?
To boot the router into ROM Monitor mode
Question 2
56% answer correctly
Using VLSM, how many /30 subnets can be derived from a single /27 Class C subnet?
1
2
8
4
16
Question 3
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?
172.104.0.0/15
172.104.0.0/12
172.104.0.0/13
172.104.0.0/11
172.104.0.0/14