Welcome to the Monday, August 25 edition of The Mastermind!
Beginning today, CCNA Wireless and Voice questions have been added, and I'll also have one new CCNA or CCNP practice exam or tutorial for you on the main site every day as well!
I've also got quite a few CCNA Security tutorials coming your way, and I've got the next section in my exclusive, fully-illustrated look at how to use SDM to configure one-step lockdown on the website now - there's a link to that tutorial in today's newsletter.
In the meantime.. let's get started!
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A New CCNA Security Tutorial Has Been Posted!
The second part of my exclusive CCNA Security tutorial on using Security Device Manager to configure one-step lockdown has been posted:
CCNA Security Exam Tutorial: SDM And One-Step Lockdown
And There Are Over 200 Free CCNA, CCENT, CCNP, and Security Tutorials And Exams Waiting For You!
The answers to my CCNA/CCENT practice exam on network models have been posted:
CCNA / CCENT Exam: Network Models
I've got quite a few free exams and tutorials for you CCNA and CCENT candidates, and you can find them all on this page:
CCNA And CCENT Exam Practice Exams
Don't feel left out, CCNP candidates - I've got more questions sets and tutorials on the way for you, too, and there are plenty of tutorials for you on the main Tutorials page!
Many of our new visitors might not know about the Tutorials page - this page has links to over 200 articles, tutorials, and practice exams for Cisco certifications along with plenty of articles on improving or starting your IT career!
Cisco Certification Tutorials Page
So get over there and start reading! : )
I'll be back later today with the answers to yesterday's blog questions, a new set of questions here on the blog, a new CCNA Security practice exam and tutorial, and remember - CCNA Wireless and CCNA Voice daily questions begin Monday !
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Thought For The Day:
There are countless ways of achieving greatness, but any road to achieving one's maximum potential must be built on a bedrock of respect for the individual, a commitment to excellence, and a rejection of mediocrity.
- Buck Rodgers
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Here are your questions for today!
CCNA Certification And CCENT Certification:
Which of the following can make a line protocol go down?
A. Mismatched encapsulation types
B. Frame map statements that are missing the broadcast option
C. Absence of a clockrate from the DCE
D. Failure to configure an IP address on the interface
CCNA Security Certification / CCNP ISCW Exam:
You're ensuring that only the devices in a VPN that should see the data in unencrypted format will see the data that way. Which of the following are you practicing?
A. data confidentiality
B. data integrity
C. replay attack protection
D. data origin authentication
CCNA Wireless: (That link goes to my new CCNA Wireless Resource Page, with practice exams and tutorials coming soon!)
Which of the following describes WPA?
A. One-way authentication
B. Uses dynamic keys
C. Uses MIC to protect against replay attacks
D. Can use "dot1x" for authentication
CCNA Voice: (That link goes to my CCNA Voice Resource Page)
Which of the following are required steps in the analog-to-digital signal conversion process?
A. sampling
B. encoding
C. compression
D. quantization
CCNP Certification / BSCI Exam:
When you use the aggregate-address command to aggregate BGP routes, what effect will this have on the aggregated routes in the BGP tables of neighbors who receive the aggregate route?
A. By default, those routes will time out and only the aggregate will be seen.
B. By default, those routes will immediately be removed and only the aggregate will be seen.
C. The more-specific routes will remain in the downstream BGP table.
D. The more-specific routes will not remain in the downstream BGP tables, but they can be configured to remain if the no-remove option is used with the aggregate-address command.
CCNP Certification / BCMSN Exam:
Short answer: What are the two major components of CEF?
CCNP / ONT Exam: (My ONT Study Package is now available!)
Short answer: What's "weighted" in WRED?
Answers right here on Tuesday!
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Here are the answers to Saturday's questions!
CCNA Certification And CCENT Certification:
We love redundancy, and the following switching diagram certainly gives us that!
Three questions for you:
What potential issue does this topology pose?
What protocol can help avoid that issue?
Assuming the switches are running at their defaults, what do we need to do to enable that protocol?
Answers: If these redundant paths are all open at the same time, we have the potential for switching loops to form. The Spanning-Tree Protocol (STP) helps to prevent these loops. If these Cisco switches are at their default, we don't need to do anything to enable STP - it's enabled by default.
CCNA Security Certification / CCNP ISCW Exam:
What is the net effect of the following configuration?
R1(config)#access-list 110 permit tcp any 10.0.0.0 0.255.255.255
R1(config)#ip tcp intercept list 110
Answer: To configure an ACL to define the source and destination of packets that should be subject to TCP Intercept, write the ACL and then apply it with the ip tcp intercept list command. Most likely, you'll specify a source of "any", as I did in the above example.
CCNP Certification / BSCI Exam:
What's the main difference between the following two BGP community values?
NO-EXPORT
NO-ADVERTISE
Answer:
NO-EXPORT: Marking a route with this community attribute prevents it from being advertised to an eBGP peer.
NO-ADVERTISE: Taking the previous community one step further, this community attribute prevents the route from being advertised to ANY other router.
CCNP Certification / BCMSN Exam:
What command will assign a MAC address of 11-22-33-44-55-66 to the virtual router in HSRP group 5?
Answer: On rare occasions, you may have to change the MAC address assigned to the virtual router. This is done with the standby mac-address command. Just make sure you're not duplicating a MAC address that's already on your network!
R2(config-if)#standby 5 mac-address 0000.1111.2222
CCNP / ONT Exam: (My ONT Study Package is now available - today's the last day to save money with my introductory discount!)
What's the basic purpose of Voice Activity Detection?
Answer: VAD detects voice activity, and perhaps more importantly, it detects when there is no voice activity. When there is no talking on a call using VAD, no audio packets are transmitted. Studies show that a normal conversation is 35 - 40% silence, VAD can give us big-time bandwidth savings as well as cutting down on overall traffic.
That's it for today ! I'll have a new CCNA practice exam on the website later today - watch the blog for a link , and of course I'll put that link here tomorrow as well. See you then!
To your success,
Chris Bryant
CCIE #12933
http://www.thebryantadvantage.com/
The Bryant Advantage, 9429 Apple Blossom Drive, Mechanicsville, VA 23116, USA
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