Monday, September 01, 2008

It's Monday, September 1, and here are the answers to Saturday's Cisco practice exam questions!

All of Saturday's questions were short answer. I'll post the answers to last week's three CCNA and CCNP practice exams later today - check Saturday's blogs for links to those practice exams!

CCNA Certification And CCENT Certification:

What keystroke will get you out of the following configuration mode? Will your changes be saved by this keystroke?

Would you like to enter basic management setup? [yes/no]:y

Configuring global parameters:
Enter host name [Switch]: Switch1

The enable secret is a password used to protect access to privileged EXEC and configuration modes. This password, after entered, becomes encrypted in the configuration.

Enter enable secret:

Answer: That's the dreaded setup mode, and you can exit that mode without saving your changes with the ctrl-c keystroke.

CCNA Security Certification / CCNP ISCW Exam:

Two popular signature actions in SDM are denyAttackerInline and denyFlowInline. There's a subtle difference between the two. What is it?

Answer: denyAttackerInline denies the source IP address of the offending packets entirely. This action is carried out by the dynamic creation of an ACL that blocks that particular source IP address. denyFlowInline blocks the specific offending TCP flow, but still allows other connections from that particular source.

CCNA Wireless:

What is a "lily pad network"?

Answer: It's a wireless network consisting of multiple Wireless Access Points (WAPs), with each connected to a different network - this topology allows roaming users to access their network.

CCNA Voice:

You've configured RTP Header Compression (cRTP). To what degree will the 40-byte IP/RTP/UDP headers be compressed if UDP checksums are in use?

Answer: If UDP checksums are in use, the headers are compressed to 4 bytes.

CCNP Certification / BSCI Exam:

What is the default seed metric of an EIGRP route that is redistributed into an OSPF process?

Answer: OSPF has a default seed metric of 20 for any route learned via redistribution, not just EIGRP routes.

CCNP Certification / BCMSN Exam:

What global command resulted in the following output?


%Warning: this command enables portfast by default on all interfaces. You should now disable portfast explicitly on switched ports leading to hubs, switches and bridges as they may create temporary bridging loops.

Answer: The description is great, but the command's syntax is just a bit clumsy - it's spanning portfast default.

CCNP / ONT Exam: (My ONT Study Package is now available - the introductory price ends today, Monday, September 1!)

The following is the (very) partial output of what command?

R1# ?


AutoQoS Discovery enabled for applications

Discovery up time: 4 minutes, 29 seconds

AutoQoS Class information: Class Voice:

Recommended Minimum Bandwidth: 43 Kbps/5% (PeakRate)

Answer: show auto discovery qos.

I'll have more for you later today - in the meantime, check out the over 200 free Cisco tutorials waiting for you on my CCNA and CCNP tutorials page!

To your success,

Chris Bryant
CCIE #12933

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