Cisco CCNA, CCENT, And CompTIA Network+ And Security+ Questions: Teardrop Attacks And OSPF
Test your knowledge of important Cisco and CompTIA exam subjects such as OSPF, teardrop attacks, route redistribution, and more with these free certification exam practice questions!
To help you in your preparation for your Cisco CCNA, CCENT, and CCNP exams, here are some free practice questions covering everything from OSPF to route redistribution. And for you Network+ and Security+ certification candidates, there are questions for you as well on the OSI model and SYN attacks. I'll be adding A+ certification questions in future articles.
Let's get started!
CCENT / Network+ Certification:
Does Layer 2 of the OSI model perform error detection, error correction, both, or neither?
Answer: The Data Link layer is capable of error detection, but not error correction.
Briefly describe the purpose of a "SYN cookie".
Answer: One defense against SYN attacks, a SYN cookie verifies the client address before actually allocating resources to that client.
What type of OSPF router is defined as "at least one interface in Area 0, and connecting other areas to Area 0"?
Answer: B. That's the textbook definition of an Area Border Router (ABR).
CCNP Certification / BSCI Exam:
What term is used for the number "2" shown in the below commands?
R2(config-router)#redistribute ospf 1 metric 2
B. administrative distance
E. seed metric
F. process number
Answer: E. The "2" is the seed metric. The "1" in the redistribute statement is the OSPF process number whose routes are being redistributed into RIP.
CCNP Certification / BCMSN Exam:
In a typical Network Management block, what switch layers are represented?
Answers: A, B. In addition to network management devices, both Access and Distribution switches will be found here.
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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.
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