Cisco CCNA, CCNP, and CCENT Practice Exam: The Boot Process, WPA, Network Attacks, and More!
Test your Cisco exam skills with these complimentary questions on OSPF, dynamic VLANs, and other vital Cisco certification exam topics!
Here are some practice exam questions to help you sharpen your skills for your Cisco CCNA, CCENT, and CCNP exams. All questions in today’s quiz are short answer, and those answers can be found at the end of the article. Let’s get started!
CCNA Certification And CCENT Certification:
List the three locations from which a Cisco router attempts to load a valid IOS image during the boot process – and list them in order!
CCNA Security Certification / CCNP ISCW Exam:
Short answer: Define the term man-in-the-middle attack.
In the world of WPA , what is "Michael", and what does it / he do?
What is "comfort noise"? Is it desirable? How do we enable it, if it's not enabled by default?
CCNP Certification / BSCI Exam:
In what particular situation would you find yourself using the OSPF command summary-address? Your answer should include the OSPF router type(s) that can run that command.
CCNP Certification / BCMSN Exam:
When a Cisco switch port receives a dynamic VLAN assignment, what is autoenabled on that port at the same time?
CCNP / ONT Exam:
What protocol is used by the WCS to communicate with the WLCs it monitors?
Here are the answers!
CCNA and CCENT Answer: Flash is the default, followed by TFTP Server and ROM.
CCNA Security / ISCW Answer: A network intruder opens a connection with two separate devices, with each device thinking they're communicating with the other device rather than the intruder.
CCNA Wireless Answer: WPA uses a Message Integrity Check (MIC), sometimes called "Michael", to protect against replay attacks, spoofing, and the man-in-the-middle attacks we discussed in the previous question.
CCNA Voice Answer: Comfort noise is artificial noise that's "pumped in" when the parties involved in the call go silent. It's very low, but it is there, which prevents you from thinking you've been cut off - and again, from personal experience, comfort noise really does make the conversation more comfortable.
Comfort noise is not on by default on a Cisco router, but it's easy enough to enable:
CCNP / BSCI Exam Answer: Use the summary-address command to summarize non-OSPF routes being redistributed into an OSPF process. From that description, you know only an ASBR can use this command.
CCNP / ONT Exam Answer: SNMP.
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ABOUT THE AUTHOR
Chris Bryant, CCIE #12933, is the owner of The Bryant Advantage (http://www.thebryantadvantage.com ), home of free CCNA and CCNP tutorials, and The Ultimate CCNA and CCNP Study Packages.