CCNA Certification And CCENT Certification:
Host A sends data to Host B. A router separates the two devices. Which of the following will change between the time the Request leaves Host A and arrives as Host B?
A. Source IP address
B. Source MAC address
C. Destination IP address
D. Destination MAC address
Answers: B, D. Both the source and destination MAC addresses will change, but the IP addresses will remain the same.
CCNA Security Certification / CCNP ISCW Exam:
Short answer: What is the numerically highest logging level available on a Cisco router? Give another non-numeric name for the level.
Answer: That's 7, the debugging level. IOS Help shows all our options:
R1(config)#logging trap ?
<0-7> Logging severity level
alerts Immediate action needed (severity=1)
critical Critical conditions (severity=2)
debugging Debugging messages (severity=7)
emergencies System is unusable (severity=0)
errors Error conditions (severity=3)
informational Informational messages (severity=6)
notifications Normal but significant conditions (severity=5)
warnings Warning conditions (severity=4)
CCNP Certification / BSCI Exam:
What is the net effect of the following command?
R1(dhcp-config)#lease 30 23 59
Answer: You're setting the length of the DHCP lease, and IOS Help shows the meaning of each value along with the infinite option.
infinite Infinite lease
R1(dhcp-config)#lease 30 ?
R1(dhcp-config)#lease 30 23 ?
CCNP Certification / BCMSN Exam:
In the wonderful world of wireless, what is CCKM?
Answer: CCKM is Cisco Centralized Key Management, which allows roaming users to roam between APs very quickly - according to their website, in less than 150 milliseconds.
AutoQoS has trouble running with one of the following - which one?
A. Serial interfaces running HDLC
B. Serial interfaces running PPP
C. Frame Relay DLCIs on PTP interfaces
D. Virtual Templates
Answer: D. AutoQoS does not play well with virtual templates!More questions and a new CCNA Security video for you later today!
To your success,