Cisco CCNA, CCENT, And CompTIA Network And Security Questions: Teardrop Attacks And OSPF

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 husky on the OSI model and SYN attacks. I'll be adding A+ certification questions in likely articles.
Let's get started!
CCENT / Network+ Certification:
Does Layer 2 of the OSI imitation perform error detection, error correction, both, or neither?
Answer: The Data Link layer is capable of error detection, but not error correction.
Security+ Certification:
Briefly describe the expectation of a "SYN cookie".
Answer: One defense against SYN attacks, a SYN cookie verifies the client inscription before actually allocating wealth to that client.
CCNA Certification:
What type of OSPF router is defined as "at least one interface in Area 0, and connecting other areas to Earth 0"?
A. ASBR
B. ABR
C. Internal
D. Backbone
E. External
Answer: B. That's the textbook definition of an Environment Contour Router (ABR).
CCNP Certification / BSCI Exam:
What term is used for the number "2" shown in the below commands?
R2(config)#router rip R2(config-router)#redistribute ospf 1 metric 2
A. distance
B. administrative distance
C. distance
D. variance
E. seed metric
F. course number
Answer: E. The "2" is the seed metric. The "1" in the redistribute statement is the OSPF process number whose routes are growth redistributed into RIP.
CCNP Certification / BCMSN Exam:
In a typical Network Management block, what switch layers are represented?
A. Access
B. Distribution
C. Core
Answers: A, B. In addition to network management devices, both Access and Distribution switches will be commence here.
Look for more gratis Cisco and CompTIA certification exam familiarity questions soon! Whether you"re working on your CCNA, CCENT, CCNP, Network+ or Security+ certification, there"s something for you here!

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