Good morning! Here are the answers to Friday's CCNA, CCNP, and Network+ exam questions!
CCNA:
Convert the decimal 231 to a binary string.
Answer: 11100111.
Network +:
You can ping a website by its IP address, but not by its hostname. What protocol or network service most likely isn't working correctly?
Answer: Most likely it's a DNS issue, since name resolution is the problem here.
CCNP / BSCI:
What is the range of private BGP autonomous systems?
Answer: 64512 - 65535.
CCNP / BCRAN:
IKE is a hybrid. It's a combination of what three protocols?
Answer: Oakley, SKEME, and ISAKMP.
CCNP / BCMSN:
Name two methods of resetting a switch's VTP revision number back to zero, and explain briefly why this is so important.
Answer: To reset the revision number, change the VTP domain name to a nonexistent one and then change it back, or change the mode from Transparent to Server and then back again. On a switch being moved from one network to another, it's vital to reset the VTP revision number in order to prevent a new switch's VTP advertisements from taking precedence over VTP ads from switches already in the network.
CCNP / CIT:Briefly explain what is "helped" by the command ip helper-address.
Answer: This command allows a router to "help" certain UTP broadcasts reach their destination by converting them to unicasts.
See you in just a few minutes with the answers to Saturday's questions, and a new batch of CCNA, CCNP, Network+, and Security+ questions!
To your certification exam success,
Chris Bryant
CCIE #12933
www.thebryantadvantage.com
CCNA:
Convert the decimal 231 to a binary string.
Answer: 11100111.
Network +:
You can ping a website by its IP address, but not by its hostname. What protocol or network service most likely isn't working correctly?
Answer: Most likely it's a DNS issue, since name resolution is the problem here.
CCNP / BSCI:
What is the range of private BGP autonomous systems?
Answer: 64512 - 65535.
CCNP / BCRAN:
IKE is a hybrid. It's a combination of what three protocols?
Answer: Oakley, SKEME, and ISAKMP.
CCNP / BCMSN:
Name two methods of resetting a switch's VTP revision number back to zero, and explain briefly why this is so important.
Answer: To reset the revision number, change the VTP domain name to a nonexistent one and then change it back, or change the mode from Transparent to Server and then back again. On a switch being moved from one network to another, it's vital to reset the VTP revision number in order to prevent a new switch's VTP advertisements from taking precedence over VTP ads from switches already in the network.
CCNP / CIT:Briefly explain what is "helped" by the command ip helper-address.
Answer: This command allows a router to "help" certain UTP broadcasts reach their destination by converting them to unicasts.
See you in just a few minutes with the answers to Saturday's questions, and a new batch of CCNA, CCNP, Network+, and Security+ questions!
To your certification exam success,
Chris Bryant
CCIE #12933
www.thebryantadvantage.com
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