Cisco CCNA

Cisco CCNA Practice Exam Questions And Answers

Here are some free Cisco CCNA exam questions to get you thinking. We are going to ensure you are clear on router memory types. It is very easy to get tripped up on these types of questions in the Cisco CCNA exam due to pressure of time.

Let’s test your knowledge of Etherchannels, Voice protocols, and other important Cisco CCNA certification exam topics with these practice exam questions!
Cisco CCNA Certification:

1.You’ve just successfully bundled three separate physical trunks into an Etherchannel. What is the net effect on the overall port cost of these links?
A. The Etherchannel will have a single port cost, and it will be lower than that of the separate links.
B. The Etherchannel will have a single port cost, and it will be higher than that of the separate links.
C. The Etherchannel will have a single port cost roughly equivalent to that of the separate links.
D. Etherchannels do not have port costs.
Answer: A. The Etherchannel will appear in various Cisco switch commands as “port-channel0″, and this virtual interface will appear with a lower port cost than the individual switch ports did previous to the bundling.

2.What is the numeric value assigned to the highest devices in an NTP hierarchy?
Answer: Zero, or “stratum zero” to be more precise.

3.Which of the following is true of H.323?
A. It’s Cisco-proprietary.
B. It’s considered a “mature” protocol.
C. It does not support many recent VoIP features.
D. Cisco IP Phones do not support this protocol.
Answers: B, D. H.323 is an industry-standard protocol, not Cisco-proprietary.

4. Where is the router running-configuration file stored?
A. ROM
B. DRAM
C. EEPROM
D. NVRAM
Answer: B. The running config is only needed while the router is live and so DRAM is used. If you want to save the current running config you save it using the ‘copy run start’ command which saves it to NVRAM.

5. Where is the router IOS file stored?
A. ROM
B. DRAM
C. EEPROM
D. NVRAM
Answer: C. The IOS is stored in EEPROM or Flash memory. It can be wiped or have more than one IOS image stored on it.

6. Where is the router startup configuration file stored?
A. ROM
B. DRAM
C. EEPROM
D. NVRAM
Answer: D. NVRAM. The IOS is stored in EEPROM or Flash memory. It can be wiped or have more than one IOS image stored on it.

7. Where is the router boot strap file stored?
A. ROM
B. DRAM
C. EEPROM
D. NVRAM
Answer: A. The boot strap (or rommon image) is stored in ROM. It cannot be wiped.
8. Which memory is used for to buffer packets and store routing tables?
A. ROM
B. DRAM
C. EEPROM
D. NVRAM
Answer: B. DRAM is used to temporarily store packets, the routing table is also stored here.

Cisco CCNA Certification Exam 642-812  plays an important role on your way to get the Cisco CCNA Certified Network Associate.

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