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Wednesday, September 30, 2009

JNCIA-JUNOS Pre-assessment Exam

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Q1: What are two functions of the routing-engine? (choose two)


1 * to build ospf and isis adjacencies
2 *to build the layer 2 and layer 3 forwarding tables.
3 to receive and process packets that could not be forwarded by the pfe
4 to verify that packets arriving at the router are allowed by any configured firewall filters.

Q2: In which mode are users allowed to monitor and troubleshoot the software, network connectivity, and hardware

priviledge mode
operational mode
configuration mode
monitoring mode

Q3: in configuration mode you see the following prompt
[edit interfaces fe-1/1/1]
user@router#
which command will take you to operational mode

end
*exit
quit
exit configuration-mode

Q4:what are two functions of the packet forwarding engine? (choose two)

*to build the layer 2 forwarding table
*To forward packets based on the forwarding table
To send icmp time exceeded messages when the ttl reaches 0
To implement policing, firewall filtering, and QoS

Q5: Which character in the JUNOS software CLI allows you to filter and manipulate command output?

< >
?
*|
Q6: When you first login into a router, how does the router indicate that factory defaults are being used?

1 * The router host-name is Anmesiac
2 The password you used to login is JUNOS
3 The router goes immediately into configuration mode after you login.
4 The router allows you to get into configuration mode without you having to login.

Q7: Which statement is correct about protocol families on an interface

only one family is allowed on an interface
only one address per family is allowed on an interface
only one address per family is allowed on a given unit
*multiple address families and addressed can be configured under the same unit.

Q8: What is the third SONET interface on a PIC installed in PIC slot 1 , FPC slot 1?

interface sonnet-1/3/1
interface so-1/1/2
interface so-3/1/1
Interface so-0/1/1.2

Q9: Which three user authentication methods are supported by the JUNOS software ? (choose three)

LDAP
*RADIUS
*TACACS
*LOCAL PASSWORD
Web authentication

Q10: Which two JUNOS software authentication methods require the use of a server for authentication?(choose two)

CHAP
*RADIUS
Kerberos
*TACACS

Q11: Which three configuration components are required to create a user account using locat authentication? (choose three)

*permissions
*class
User name
User ID
*user authentication (password)

Q12: Which command allows you to quickly verify the state of all physical and logical interfaces?

user@host> show interface summary
*user@host> show interfaces terse
user@host> show interfaces brief
user@host> show interfaces routing

Q13: A network administrator would like to verify the active alarms on interface so-0/0/0.0.
Which command displays this information?

show alarms
show interfaces terse
show alarms extensive
*show interfaces extensive

Q14: what could you type to view all of the PICs within a router as well as their serial numbers?

show chassis interfaces
show chassis pics
show chassis inventory
*show chassis hardware

Q15: Which routing table is used for all IPv4 unicast forwarding?

*inet.0
Inet4.0
Ipv4.0
Forwarding.0

Q16: What is a characterstic of route preference ?

it is the same as a route metric
it must be assigned manually for each protocol
a higher preference is better than a lower preference
*A lower preference is better than a higher preference.

Q17: What is the correct CLI command to display the routing table?

show routing-table
show routes
display routes
*show route

Q18: which two are considered match criteria in a policy? (choose two)

next-term
*As path
Prefix-file
*community

Q19: Which policy action is considered a flow control action?

accept
*next term
Reject
Preference

Q20: What is the proper order for CoS processing for egress packets on a juniper router?

1 Multifield Classifier > scheduler/sharper/RED>Rewrite marker
2 *Policer > Multifield Classifier > Scheduler/shaper/RED > Rewrite Marker
3 Scheduler/shaper/RED > Multifield Classifier > Policing > Rewrite Marker
4 Rewrite marker > Policer > Multifield Classifier > Scheduler/shaper/RED

Q21: What is the purpose of queuing traffic in a CoS scenario ?

it allows routed traffic to be handled before switched traffic.
*It allows the handling of traffic based on its TOS code
It allows traffic to be classified into forwarding classes.
It allows traffic to be forwarded based on its forwarding class.

Q22: Which command swquence shows most of the CoS configuration for an interface?

*show interface queue ge-0/0/0
show queues interfaces ge-0/0/0
show class-of-serviice interface ge-0/0/0
show interface queue detail

Q23: what is the binary equivalent of 100.25.98.207

*01100100 00011001 01100010 11001111
01110100 00011001 01101010 11001111
01100100 00011001 01101010 11001111
11100100 00001001 01100010 11001110

Q24: What is typically used to break up individual broadcast domains?
bridge

*router
Switch
Hub

Q25: Which two statements are true regarding collisions on an Ethernet segment? (choose two)

1 when a collision occurs, the device with the lowest MAC address sends a jam signal to notify all other devices of the collision
2 *when a collision occurs, both devices stop transmitting, wait a random period of time, verify the wire is idle and retransmit.
3 when a cjollision occurs, the device with the lowest MAC address is permitted to retransmit first.
4 *when a collision occurs, both transmitting devices send a jam signal jto notify all other devices of the collision.

Monday, September 28, 2009

Time to take action on JUNOS Fast Track Certification

Juniper Networks Juniper Networks
GET ON THE FAST TRACK TO JUNIPER CERTIFICATION BEFORE THE FREE OFFER ENDS

Thank you for joining a select group of networking professionals in the Juniper Networks JUNOS Fast Track Certification Program. With so many businesses embracing JUNOS, the response to our recent promotion – 100% off the cost of the certification exams – has been astounding. You and your networking peers are a part of one of the most successful certification programs in Juniper history.

Due to overwhelming demand our limited supply of free exam vouchers is running low! This limited time offer will end on Friday, October 9, 2009 at 5:00 PST – after that we'll revert back to our traditional 50% offer, still an outstanding value. It's not too late to pass a pre-assessment exam in order to receive your certification exam for free as 100% discounted vouchers earned on or before October 9, 2009 will expire on November 30, 2009. So please register and take your certification exam before the discount voucher expiration date.

Remember the Fast Track Certification Program is still an essential addition to your resume and provides 24/7 access to free courseware and discounted certification exam fees at Prometric Testing Centers. We encourage you to work towards the remaining Enterprise Associate and Specialist level certifications including the brand new JNCIA-JUNOS and JNCIS-SEC, essential technical certifications for security professionals. As a reminder, here are the five Enterprise Certifications available through Fast Track.

Enterprise Routing (JNCIA-ER and JNCIS-ER)
Enterprise Switching (JNCIA-EX)
NEW: JUNOS Security (JNCIA-JUNOS and JNCIS-SEC)

Get JUNOS Certified

Regards,
The Juniper Networks Certification Team

Thursday, September 24, 2009

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Friday, September 11, 2009

Enhancements to JUNOS Fast Track Certification Program

Dear Fast Track Participants,

Over the past few weeks we've updated the Fast Track portal and user experience to make it even easier for you to find courseware, take your pre-assessment exams, and ultimately, earn your JUNOS-based certifications. In addition, we've reinstated the 100% discount so now all courseware and certification exams in the Fast Track program are completely free!

There are even more great improvements on the way. In our continued commitment to provide you with the most current courseware and certifications, we are pleased to announce that on September 18, 2009, Juniper will release the new JUNOS Security Certification Track exams, and at the same time all related course material will be made available on the Fast Track portal.

Specifics include:

* New Courses To Prepare for the new JNCIA-JUNOS Exam
o Networking Fundamentals eLearning course
o Introduction to JUNOS Software
o JUNOS Routing Essentials
o Troubleshooting JUNOS Platforms
* New Courses To Prepare for the new JNCIS-SEC Exam
o JUNOS for Security Platforms
* New Certifications
o JNCIA- JUNOS (This is a prerequisite to the JNCIS-SEC exam)
o JNCIS-SEC (replaces JNCIS-ES)

The new Networking Fundamentals, Introduction to JUNOS Software, JUNOS Routing Essentials, and Troubleshooting JUNOS Platforms courses and associated certification allow you to be current with our JUNOS routing features. The new JUNOS for Security Platforms course and associated certification allow you to be current with our security features on our SRX platforms. For those who have an existing JNCIA-ER or JNCIS-ER certification, these new courses and certifications are not required. However, if you are just beginning the process of becoming JUNOS certified, we highly recommend that you start with the new JUNOS courses.

Please note that the new JNCIS-SEC certification replaces the existing JNCIS-ES exam, which will be retired on November 1, 2009. The last day to attempt the JNCIS-ES pre-assessment exam on the Fast Track portal is September 17, 2009. The last day to attempt the JNCIS-ES live exam at a Prometric testing is November 1, 2009. After this date you will be required to take the new certification exams noted above.

If you have any questions, please contact us at certification-fasttrack@juniper.net.

We thank you for your continued participation in the Juniper Networks Certification Fast Track Program.


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Thursday, September 3, 2009

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Wednesday, September 2, 2009

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