Cisco CCNA Certification: How to deal with the work of post-Cert Interview

July 30th, 2010 by ode1111

Okay, you did! You earned your certification Cisco Certified Network Associate.

Now what?

People who pass the CCNA exam fall into one of three categories. You may only enter the IT industry can work on the LAN and want to move to the WAN side (that's where it was when I passed the CCNA), or you can already work on the WAN network, and you want to move the ladder .

In one way or another, you're going to tackle the dreaded jobinterview. Some CCNAs do very well in interviews, and some do not. I've been on both sides of that interview, and I have a few pointers for you to be one of those who do well and get that job.

Be confident but not cocky. The CCNA is a certfication nice to have is where we all begin. Do not walk into the interview thinking you know everything because you have a CCNA. (I am a CCIE and the first to admit that it certainly does not know everything.)

Answer the questions with confidence if youI do not know the answer, this is not a sin. If you have prepared for your CCNA the right way – as the practical experience and understanding tougher subjects like math and binary NAT – you'll be fine.

Do not stop studying the day you pass the exam. The knowledge that is not used, it becomes quickly forgotten. Okay, take a day or two off to celebrate, but we must return to work after. Keep reviewing your CCNA topics, and begin your first CCNP exam. I've seen too manyCCNAs recent coinage that quickly forgot everything they learned for the exam, because left school immediately after passage.

Preparing for the interview as if it were another CCNA exam. Because it is. Except that there will be no multiple choice.

Start preparing for the interview before taking the exam. How it works? Studying for the exam in the right way. Get some practical experience, or a class or on your own equipment rack. Get a quality education Cisco. Ask questions ofthose already in the field. Doing these things now, you'll come across as a candidate for the big day.

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Computer Courses – Redevelopment Become DBA

July 29th, 2010 by ode1111

Without the free movement of data, modern organizations can not function. They are based on data, data recovery, archiving and security to carry out their daily business functions. With the advent of computer networking in the business environment has never been so important to manage databases and ensure that persons responsible for the Serbs responsible for all aspects of database management.

The work done by database administrators is vital and essential for every aspect ofcompanies – has the logistics, payroll and general provide the data of other colleagues. That administrators ensure this continuous flow of information is not only fast and easily available to whoever needs it, but it is as accurate and up to date as possible. It 's a position that is ideal for people who are methodical and analytical in their thinking, and is working with complex systems that are constantly changing and evolving.

Retraining as a database manager is much moreeasier than it looks. The position is one that is recognized as crucial for the proper functioning of any business, it is a multi-million pound organization or a small business. Most databases operate the systems of users, so training in most popular database programs is a good way to further your career and expand your skills into September That Can Be Transferred Between one careers. Accreditation is the key, and some of the largest suppliers of expertise now provides easyaccess to accredited courses, retraining to be a database administrator has never been so easy.

One of the most popular titles of points and the MCDBA certificate – Microsoft Certified Database Administrator. Obtain accreditation MCDBA really can open doors for her international career and also offers continuing professional development through additional certification designed to work alongside the basic course.

The best way to retrain as a databaseadministrator is through distance learning packages offered by providers of expertise. In this way we can continue in your career, whereas now the redevelopment of a new, or maybe even convince your manager to sponsor to develop your current job in a completely new direction. The aptitude for computer skills is a requirement, but only the most basic level distance learning courses for accreditation MCDBA are designed to take you through the course step by step. Utilizationdistance learning can develop at their own pace with the full support of a mentor, as well as some classroom training sessions at specialized centers.

Redevelopment of any kind can be a daunting prospect, But as the world economy through a shift-change as the result of financial difficulties, families are considering a career change. Training in IT offers everyone the opportunity to take advantage of new opportunities offered by the phenomenal growth of IT industryand database administration is a key role in this industry. For those who like to work with data is the perfect opportunity to combine competencies transferable to a new market and to advance in a career that can take you around the world.

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Cisco CCNA Certification: How and Why Switches Trunk

July 29th, 2010 by ode1111

Your CCNA studies intend to include a bit 'of information on options, and for good reason. if you do not understand basic switching theory, you can not configure and troubleshoot Cisco switches, on the CCNA exam or in the real world. This applies double for trunking!

Trunking is simply enabling two or more switches to communicate and send frames to each other for transmission to remote hosts. There are two major trunking protocols that we need to know the details ofexamination success and success in the real world, but before you get to the protocols, we talk about the cables we need.

Connecting two Cisco switches requires a crossover cable. As you know, there are eight wires inside an Ethernet cable. In a crossover cable, four of the cables "cross over" from one pin to another. For many new Cisco switch, all you need to do to create a trunk is connect the switches using a crossover cable. For example, 2950 switches dynamic trunk once you connect them withthe right cable. If you use the wrong cable, there will be a bit '!

There are two different trunking protocols in use today on Cisco switches, ISL and IEEE 802.1Q, generally referred to as "dot1q". There are three main differences between the two. First, ISL is a Cisco-proprietary trunking protocol, where dot1q is the industry standard. (Those that testing of new Cisco should get used to the phrases "Cisco-proprietary" and "standard".) If you work in a multivendorEnvironment, ISL can not be a good choice. And even if you own a Cisco ISL trunking protocol, some Cisco switches run only dot1q.

ISL also encapsulates the entire frame, increasing the network overhead. Dot1q only places a header on the frame, and in some circumstances, did not even do that. There is a lot less overhead with dot1q compared to ISL. Which leads to the third important difference, how protocols work with the native VLAN.

Native VLAN is simply the defaultVLAN switch ports that are put on if they are not specifically included in another VLAN. The Cisco switches, the native VLAN is VLAN 1. (This can be changed). Dot1q If you are running, frames that are being sent across the town line do not even have a header placed on them, the remote switch is assumed that each frame has no header is destined for the native VLAN.

The problem is that ISL does not understand what a native VLAN. Every single frame will be encapsulatedregardless of the VLAN is intended.

Switching theory is a big part of your CCNA studies, and may seem overwhelming at first. Just break up into smaller studies, more manageable parts, and soon you'll see the magic letters "CCNA" behind your name!

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Cisco CCNA Certification: The value of CCNA and CCNP

July 27th, 2010 by ode1111

A question that I often see on the 'Net is "worth my time to earn / CCNA CCNP / CCIE certification?" My personal answer to that is a resounding yes. The power of Cisco certifications has allowed me to create a wonderful career, and can do the same for you.

There has never been a better time to accelerate your IT career, and earning a technical certification is a great way to do just that. I do not care if you're looking to earn an MCSE, a Cisco certification,Red Hat, or any other manufacturer – it is always better to have a technical certification than not having one. Technical certifications are a great way to market yourself and stand out from the crowd. Earning certification shows potential employer (and your current one) you are willing to go the extra mile.

Unfortunately, when asked this question on most Internet message boards, you want to get some very negative people giving their opinion "impartial. Ask yourself thisQuestion: Do you want to entrust the direction of your career to someone who does not know, has any responsibility for what they say, and has some kind of ax to grind? Do you want someone like that to decide whether it should earn a CCNA or CCNP?

I can speak from experience on this point. When I told some people who went to earn my CCIE, almost 100% of the responses I got were negative. "E '" too hard ", no one can pass that," The CCIE is not worth the "work, etc. Eachof these statements is false, and again I speak from experience. The same is true for the CCNA, CCNP, and MCSE. All of these certifications can add value to your career and put more money in your pocket. But you must make the decision to earn them and to "keep your goals away from trolls."

Do not ask anonymous strangers whether it is "worth the time" to get a CCNA, MCSE, certification or computer. The only person you should ask that questionyourself. If you want to start an IT career or jumpstart your current one, make the decision to move forward in his career – and then follow that decision THROUGH.

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Cisco CCNA / CCNP Certification Exam: same command, different results

July 24th, 2010 by ode1111

As a CCNA or CCNP, one thing to get used to is that change is constant. Cisco regularly issues new versions of IOS, not to mention the many different types of hardware that produce! While it is always nice to have "the latest and greatest" when it comes to routers, switches, firewalls, etc., we must be prepared for the fact that not all our customers will have the latest and greatest!

For example, there are still quite a bit 'out there Catalyst 5000humming away, and if you're used to working on IOS switches driven as 2950, the same command can have dramatically different results.

Let's say you're going to examine the spanning tree protocol (STP) the installation of a new customer. You used to work with newer switches 2950, and have always performed on those shows span switch to display spanning-tree information. So you run over a span shows Catalyst 5000 – and shows something like this:

switch (enable) show span

Destination: Port 6.1

Admin Source: Port 6.2

Oper Source: Port 6.2

Direction: transmit / receive

Incoming packets: disabled

Learning: enabled

Multicast: enabled

Filter: –

Status: Active

Total local sessions Period: 1

What's going on here?

The arch command in a 5000 exhibition spanning tree stats will not show – instead, what you're going to see are statistics Switched Port Analyzer (SPAN). Surprise!

Consider an example whereare used to run the show span in 5000 switch to see the information SPAN. When you do that on a 2950, now you know what you're going to get – information spanning tree! On a 2950, you must run monitor show session, followed by the number of SPAN session.

SW1 # show monitor session 1

Session 1

———

Session Type: Local

Source Ports:

Both: Fa0 / 1

Destination Ports: Fa0 / 2

Encapsulation: Native

Rank: Disabled

How and CCNACCNP, this is one of those things just get used to. The commands will be different, sometimes radically, among the models. That's why we must be adept with both IOS and guide site online documentation for Cisco. IOS Help is easy, but the site online doc get some 'of addiction. Once you learn to navigate this site, Cisco is a world of knowledge at your fingertips.

Also, when you sit for the CCIE lab exam, which will be the only friend you have! It is a valuablefriend can be – you're just going to trust me on that. :)

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BRI Cisco CCNA Certification Training Tutorial: PPP Multilink and ISDN

July 23rd, 2010 by ode1111

Earning your CCNA certification means you have to notice details about Cisco routers that others might miss, and this is true in the examination room and at work. In today's tutorial, we'll take a look at multilink PPP – a topic that seems simple enough, but that trip has details on some of CCNA candidates.

BRI ISDN (Basic Rate Interface) provides two B channels that carry data, and each has a capacity of 64 kbps. Interestingly, they do not share the loaddefault – the first channel should be in operation before the second channel starts to take the load. It is more efficient for channels to share the load before, and we can do with configuring Multilink PPP. (Note that multilink PPP calls for a reason. We can configure whether the BRI is running the default of HDLC).

Configuring Multilink PPP is quite simple. PPP must be running on the interface to start, and then simply configureinterfaces with the "multilink" command PPP.

R1 (config) # int BRI0

R1 (config-if) # encapsulation ppp

R1 (config-if) # ppp multilink

Here's where it is useful to know the details. An additional command "dialer load-threshold it is necessary to define the capacity level of the first B-channel which will open the second b-channel. For example, say you want the second channel to come when the first channel affects 50% capacity. It is easy to think that it wouldput "50" at the end of the dialer load-threshold, but this is wrong! Look what this command tells IOS Help.

R1 (config-if) # dialer load-threshold?

Load threshold to place another call

This value is based on 255, not 100. To bring the second channel as described above, we need to enter a value that is 50% of 255:

R1 (config-if) # dialer load-threshold 127

The dialer load-threshold has other options not shown here. The interface can beconfigured to consider only incoming traffic or exit command, or both.

This is just one of many details you must master in order to earn the CCNA certification. Take it from me – it's worth it. Continue to study!

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Cisco CCNP / BSCI Exam Tutorial: A Guide for IPv6 addressing

July 23rd, 2010 by ode1111

Learning IPv6 is critical in your efforts to pass the BSCI exam and go earn your CCNP, and it's going to help your career network in the real world as well. IPv6 can be confusing at first, but like any other network such as Cisco or as a whole – learn one part at a time, master the fundamentals, and you're on your way to success. In Today we will look at types of IPv6 addresses.

In IPv4, a unicast address is simply an address used to represent asingle host, where multicast addresses represent a group of hosts and broadcasts are all hosts.

In IPv6, it is not so simple. There are actually several types of unicast addresses, each with its own separate function. This allows IPv6 data where it's supposed to go faster while conserving resources IPv4 router.

IPv6 offers two types of local addresses, link-local and site-local. Site-local addresses allow devices of the same organization, or site,data exchange. Site-local addresses are IPv6 equivalent of IPv4 addresses for private classes, as hosts that use them are able to communicate with each other throughout the organization, but these addresses can not be used to reach Internet hosts.

Site-local addresses and local connection are actually obtained from the MAC address of a host. Therefore, if the IPv6 address has HostA HostB, the host can determine the MAC address HostB from making unnecessary ARP.

Link-local addresses have a childscope than site-local. Link-local addresses are just that, local to a physical connection. These special addresses are not used at all in shipment data. Use of these addresses is Neighbor Discovery, which is the answer to IPv6 ARP.

You can identify these and other IPv6 addresses for their initial bits:

001 – Global Address

(First 96 bits set to zero) – IPv4-compatible

1111 1111 – Multicast

1111 1110 11 – local site

1111 1110 10 – LinkLocal

As a future CCNP, you're more familiar with the classes of IPv4 addresses reserved. You also know that they are not exactly contiguous. The developers of IPv6 has a structured approach for IPv6 addresses are reserved – Any address that starts with "0000 0000" is a reserved IPv6 address. One of these is the IPv6 loopback address, and this will give you some practice with your zero compression!

IP v6 Loopback: 0000:0000:0000:0000:0000:0000:0000:0001

Using zeroOnly compression: 0:0:0:0:0:0:0:1

The combination of zero and zero compression::: 1

Zero compression looks pretty good now, is not it? You just get used to it and keep rules in mind. You can use all zero compression you want, but zero compression ("double-colon) may be used only once in a single address.

IPv6 is here to stay, not only on your BSCI and CCNP exams, but in the real world as well. Hours to learn not only help you pass yourCisco exams, but to support IPv6 in the future.

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Cisco CCNA / CCNP Certification Exam Tutorial: Floating Static Routes

July 22nd, 2010 by ode1111

To pass the Cisco CCNA and CCNP certification exams, besides becoming a world-class networker, you need to know how and when to use mobile static routes. And if you're wondering what makes them "float" – read on!

In this example, R1 and R2 are running OSPF over a Frame Relay network, 172.12.123.0 / 24. Are also connected by a BRI ISDN link, 172.12.12.0 / 24. R1 is advertising a loopback network, 1.1.1.1 / 32, via OSPF. We want R2 to have a route to that loopback even though theframe goes down – and here, we will use a floating static route to make that happen.

R2 sees the route to the loopback interface via OSPF, and can ping that interface successfully.

R2 # show ip route OSPF

Subnet is 1.0.0.0/32, 1 subnets

O 1.1.1.1 [110/65] via 172.12.123.1, 00:00:02, Serial0

R2 # ping 1.1.1.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 1.1.1.1, timeout is 2 seconds:

!!!!!

success rate is 100 percent (5 / 5)round-trip min / avg / max = 68/68/68 ms

This is when it is important to know your distances administrative …. or at least know where to look to see them! The AD of OSPF is 110, which means that we can configure a static route to 1.1.1.1 / 32, and until the 'AD of the static route is higher than 110, will not be used unless the OSPF routing path leaves the table. That's why this type of path is called a "floating static route – the route" floats "in the routing table and can not be seen unlessthe first road left the table.

Have you learned to write a static route CCNA study, but also remember that the default AD of a static route is 1 or 0 … and both these values are less than 110! To change the AD of a static route, configure the desired distance at the end of the command ip route.

R2 (config) # ip route 1.1.1.1 BRI0 255 255 255 255?

Distance metric for this route

ABCD Forwarding router address

Name Specificationnext hop

permanent permanent route

tag Tag Set for this route

R2 (config) # ip route 1.1.1.1 BRI0 255 255 255 255 111

The static route is a listing that is one higher than the OSPF route, but this is enough to make the path to "float" and not yet seen in the routing table.

R2 # show ip route

Subnet is 1.0.0.0/32, 1 subnets

O 1.1.1.1 [110/65] via 172.12.123.1, 00:06:44, Serial0

Subnet is 172.12.0.0/24, 2 subnets

C 172.12.12.0 isdirectly connected, BRI0

C 172.12.123.0 is directly connected, Serial0

We see the effect on the routing table when the Serial0 interface is closed.

R2 (config) # int s0

R2 (config-if) # shutdown

12:04:53:% OSPF-5-ADJCHG: Process 1, NBR 172.12.123.1 on Serial0 from FULL to DOWN, Neighbor Down: Interface down or detached

12:04:55:% SYS-5-CONFIG_I: Configured from console console

12:04:55:% LINK-5-CHANGED: Interface Serial0, changed stateadministratively down

12:04:56:% LINEPROTO-5-UPDOWN: Line protocol Interface Serial0, changed state to down

R2 # show ip route

Subnet is 1.0.0.0/32, 1 subnets

S 1.1.1.1 is directly connected, BRI0

Subnet is 172.12.0.0/24, 1 subnets

C 172.12.12.0 is directly connected, BRI0

The floating static route appears in the table, but will not be until the ISDN BRI has traffic to send. Let's ping 1.1.1.1 and see what happens. Debuggingdialer is configured on R2 before sending the ping.

R2 # ping 1.1.1.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 1.1.1.1, timeout is 2 seconds:

12:16:01: br0 DDR: Dialing cause ip (s = 172.12.12.2, d = 1.1.1.1)

12:16:01: DDR br0: Attempting to dial 8358661

12:16:01:% LINK-3-UPDOWN: Interface BRI0: 1, changed up.!

12:16:01: br0: 1 DDR: dialer protocol up!

success rate is 80 percent (4 / 5), round-trip min / avg / max = 36/37/40ms

The connection is active and traffic can still reach 1.1.1.1. Once R2 becomes a neighbor OSPF R1 once again, the OSPF route will again become the main road and the floating static route leaves the routing table.

R2 (config) # int s0

R2 (config-if) # no shut

R2 # show ip OSPF neighbor

Neighbor ID Pri State Dead Time Address Interface

172.12.123.1 1 FULL / DR 00:01:57 172.12.123.1 Serial0

R2 # show ip route

Subnet is 1.0.0.0/32, 1 subnets

1.1.1.1 O[110/65] via 172.12.123.1, 00:00:16, Serial0

Subnet is 172.12.0.0/24, 2 subnets

C 172.12.12.0 is directly connected, BRI0

C 172.12.123.0 is directly connected, Serial0

A floating static route is an excellent "back door", which will keep the ISDN link down while allowing that point to serve as a backup location. Just make sure the ISDN link is down when you expect that – always check with the show isdn status!

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Cisco CCNP / BSCI Certification Exam: Five OSPF Details You Must Know

July 21st, 2010 by ode1111

Prepare for the BSCI exam on the road to the Cisco CCNP certification, you can quickly get overwhelmed by the details! Here are five commonly overlooked points you should keep in mind when it comes to your studies OSPF.

The virtual link command includes the number of area transit zone, and if authentication is used to Area 0, the virtual link command must also contain the declaration of authentication. Since the virtual link is a logical extension of Area 0, it is obviousthat must be configured with the authentication type and password configured on the Zone 0.

OSPF requires no seed metric when routes are redistributed into an OSPF domain. The cost of default for these routes is 20, but you need to use the "subnets if you want to redistribute subnets into OSPF.

There are two types of OSPF external routes. The default value, E2, reflecting the cost of the path from the ASBR to the external destination. The other option, E1, has a costthat reflects the entire path from the local router to destination outside.

When configuring stub areas, each router in the area must agree that the area is stub. For a total stub, only the ABR needs to be configured with the "no-summary, but all routers in the area still must agree that the area is stub.

Routers in a stub zone will have a default route to use to reach destinations external router will have a total stub areas default route to be used toachieve both external and inter-area networks.

The BSCI exam and CCNP certification requires a great deal of dedication and hard work. Continue studying and paying attention to detail, and you arrive!

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Weight loss, impotence – the key to Lose Weight Forever

July 21st, 2010 by ode1111

Succeed in a task can seem daunting especially when something as great as the weight loss. We were trapped in repetitive patterns for many years, if not a lifetime, and pursue them and lose weight can be almost impossible.

You can feel completely powerless.

The key to weight loss is to release these feelings of powerlessness and creating an action plan that encourage us to lose weight and gain a good impression.

The first step in doing this is to get toknow. Currently, you can find some typical things you eat and drink during the day but at some points the day your hunger may have been triggered by a feeling or could be snacking mindlessly know that you are not aware of eating. You overcome this by spending a few days looking good yourself.

Get a journal and write down for 2-3 days everything you eat and drink. Write how you feel before, during and after. Write down what triggers to eat if nothing else. Sixyou are really hungry or just eating something because you stressed at work or your child a cranky day that made you eat a little 'chocolate cake or dip in some chips?

Once this is done there will be a clear indication of your diet and lifestyle. Some things can shock because you were not aware that he did. You should also see if you use food to cope with emotions as well. This may be something you were already aware, but did not understand whatfar have been comforting yourself with food until now. That's the beauty of doing this exercise. Your awareness of you comes alive.

Once this is done, you should be able to see a couple of things you can change immediately. For example, you can drink a lot of juice or soda. Cut these out! Store bought juices and soft drinks are empty calories and add up. The only juice you want to be drinking homemade. The store bought stuff is not good for you and even recentlyjuice is not really anything on the real juice freshly squeezed. Try drinking water and tea only.

Change what snacks will also help. Instead of sweets, chocolate bars or snacking completely nuts trying to cut. If you find this too hard you can eat for emotional reasons instead of boredom that is really hungry. If you feel really hungry grab fruit. Eat 4-5 pieces. If you do not want to eat fruit, then it's a safe bet you the food is emotional.

For someemotional eating people may be more rooted and may need to work on your emotional eating much more than simply cutting away the boredom. There are many great online resources to help.

Once you've made small changes, go to optimize the plan further. Go to a comfortable pace and not rush to the finish line, this may be to send in a panic, they make you feel like you are deprived and binge eating will occur.

slow and steady wins the race.

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