CCNA Service Provider Practice Test Results

Question 1
62% answer correctly
Which of the following about SSH is true?
Passwords are sent in clear text.
It uses UDP port 23.
It is a TCP/IP transport layer protocol.
It securely encrypts Telnet.
It uses TCP port number 22.
It is an OSI network layer protocol.
Question 2
42% answer correctly
On Cisco IOS XR, for which purpose is the turboboot procedure used?
The interface has no flow control configuration.
To perform an ISSU
The configuration supports only full-duplex operation.
The range for MTU values is 64 bytes to 1518 bytes on the interface.
To install and boot up a SMU
To boot the router into ROM Monitor mode
To speed up the time it takes to boot up the IOS XR router
To install and boot up a PIE
To install the IOS XR software from scratch using the ROM Monitor mode
Which of the following about 10/40/100 GigabitEthernet interface configuration on Cisco IOS XR is true?
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.
Question 3
49% answer correctly
Which of the following about a root bridge in an STP domain is true?
It has the highest priority value.
It contains non-designated ports.
It has the lowest bridge ID in the STP domain.
It has the highest root ID in the STP domain.
It contains root ports.