Share your SWITCH v2.0 Experience

@switch

The point is not that lack of HSRP config on the interface
The point is that the interface is the one being tracked by HSRP Group 1

When it goes down it will have its priority decremented by 40
It will be incremented by 40 when it come up again.

So if you pick this answer then youre ok.

Passed last week, 8XX.

Labs : VTPv3, HSRP, LACP with STP

Lots of new questions I have not seen from here before. I saw a question so rare about a sort of code, I didn’t understand the subject nor the answer.
Make sure you know, many questions about DHCP snooping, IP source guard, portfast and DHCP82. D&D VSS vs Stackwise and HSRP vs VRRP.
Many questions from the certprepare premium, with changed words. it’s important to study the basics.

good luck!

Passed 8XX Alhamdulillah

I still can believe how i manage to pass the exams. One thing i noticed simulations and labs cover most of the exam marks make sure to answer and configure them completely.
5 6 new question many reworded.
New updated question 6,7,8 is useless as all question came from premium section make sure to cover all topics.
As far as labs and sims is concerned all answers and solution is right otherwise i would not able to pass.
D&D HSRP/VRRP & STACKWISE/VSS (same)

tab and ? both command working.
make sure to save the LACP with STP as save command is working fine.

I am here to guide of needed Thanks Certprep

@ssuet@2632 – Congratulations! Do you maybe remember any Qs you had? all from page 880?
@chchbrs – Was it this Q ?

What is the value of the TPID/tag protocol identifier of QinQ?
A. 0x8a88
B. 0x8100
C. 0x8200
D. 0x8b45
Ans. A

Hello Guys,

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Plz what the best ans for those two question ?

Q.What happens if a switch with dhcp snooping and ip source guard enabled globally, what does the switch do when it receives a packet with option 82?
A. Drop
B. Remove 82 and forward
C. Proxy ARP
D. Nothing
???

QUESTION 26
What would happen if a switch gets a packet with Option 82 with the IP address of 192.168.1.254?
A. Drop it
B. Forward it
C. Stop the Option 82 and replace the source MAC address, and forward it (with its own source MAC address).
D. Stop the Option 82 and replace the source IP address to the switch management IP address and forward it.
E. Stop the Option 82 and forward it.
F. Stop the Option 82 and make an proxy ARP request for the IP address 192.168.1.254.
Correct Answer: B

Hi

I passed 3 days ago, some many new questions, a lot of BPDU guard, Filter, study basic.

Labs same than certprepare.

GL, your friend FC

i pass today

Labs : VTPv3, HSRP, LACP with STP
1 drag an drop –> lacp
all questions in 300-115 – Updated 1-09-2020

@kito
Can you give me a reference to your “300-115 – Updated 1-09-2020”. where can i find?

@Kito and FC – Well done!

Could you please see if you can remember any questions that came up?

Hi Kito
which update you are talking about , because i found only (29th-Dec-2019):last update,
and which section you prepared , part 6,7,8 only or composite mcq too.

thank you

Hello everyone, in real exam, for sim LACP with STP , how can you check for the configuration you did if is wrong or not???
your answer is a great help to us. Thanks.

I am planning to do the test this Friday
@kito do you have the update 01/09/2020?????????

Passed today with 8XX.
Sims: HSPR, VTPv3, LACP with STP.
This website is enough to pass. Few new questions.

Best of luck everyone!!

ssuet@2632 what do u mean by “New updated question 6,7,8 is useless as all question came from premium section”
I see only one more section under premium zone – SWITCHv2 – Composite Quizzes
Are there more questions?

@girll

I really hate these DHCP Snooping ones

What happens if a switch with dhcp snooping and ip source guard enabled globally, what does the switch do when it receives a packet with option 82?
A. Drop
B. Remove 82 and forward
C. Proxy ARP
D. Nothing

This is a really stupid question. it totally depends on information we dont have

Lets say we have DHCP snooping enabled on a Distribution layer switch:

If the switch receives a DHCP packet with option 82 on un untrusted port, the packet will be dropped.

If:
– interface is trusted (ip dhcp snooping trust), or…
– interface allows option 82 (ip dhcp snooping information option allow-untrusted)

a DHCP packet with option 82 will be forwarded with option 82 unchanged

Alternatively if we have DHCP Snooping enabled on an Access layer switch (where the DHCP client is attached…)
– DHCP client send (discover) DHCP packet without Option 82
– the switch adds option 82 to the request and forwards it upstream to the DHCP Server

when the DHCP reply (offer) comes back..
– the Access layer switch recognises its local a local packet from the Option 82 CID/RID values
– The switch removes Option 82 and forward

So A and B are both true depending on the situation.
Which situation do you think Cisco mean?

Just read back what I wrote above and I believe the answer is
B. Remove 82 and forward

“dhcp snooping and ip source guard..” indicates the switch is at the access layer.

DHCP Snooping and IPSG together REQUIRE option 82 for DHCP requests to work. Option 82 is used to direct the DHCP replies to the client, because the client MAC address is not learned until it has obtained a DHCP lease.

In this case when the switch receives a packet with Option 82, we can assume it would be a DHCP reply packet. The switch will remove Option 82 and forward it to the workstation port that was contained in the CID field.

@premium

This means than you should go through every single topic of premium section per technology wise. I had not encounter all questions from premium section .

Correction

Encountered all questions from premium section . You should do all 15 composite quizzes to pass.

Where can I study the Updated 1-09-2020 labs?

thank you Ssuet@2632 , i went through all of the questions on right side also composite quizzes so i hope i’ll make it on 19th

A server with a statically assigned IP address is attached to a switch that is provisioned for
Any one please correctanswer

DHCP snooping. for more protection against malicious attacks, the network team is considering enabling dynamic arp inspection alongside DHCP snooping which solution ensure that the server maintains network reachability in the future

A- Disable DHCP snooping information option on the switch
B- configured a static DHCP snooping binding entry on the switch
C-verify the source MAC address of all untrusted interfaces with ip dhcp snooping verify mac-
address command
D-trust interface that connected to the server with ip dhcp snooping trust command

Any one please correct answer

A server with a statically assigned IP address is attached to a switch that is provisioned for
DHCP snooping. for more protection against malicious attacks, the network team is considering enabling dynamic arp inspection alongside DHCP snooping which solution ensure that the server maintains network reachability in the future

A- Disable DHCP snooping information option on the switch
B- configured a static DHCP snooping binding entry on the switch
C-verify the source MAC address of all untrusted interfaces with ip dhcp snooping verify mac-
address command
D-trust interface that connected to the server with ip dhcp snooping trust command

@ karim

B – configured a static DHCP snooping binding entry on the switch

Correct answer

DAI requires switch to have all the host IP / MAC bindings in the DHCP Snooping DB.

If a host has a static IP, the switch cannot learn the binding through DHCP snooping process
Therefor static binding must be made manually

For the LACP with STP Sim, DO I ALSO NEED TO CREATE PORT CHANNEL 1 FOR BOTH SWITCHES? On real switches the PO ports are created when you create the physical etherchannel.
But in the LACP with STP Sim PO1 was NOT created.

Please advise.

Thank you

What on earth is this? Can’t find any documentation for it?

Which command is required for root guard for Cisco device to place ID:2071948x? (Where x is the last digit ID)
A. (config if)# spanning-tree guard root
B. (config)# spanning-tree guard root
C. (config-if)# spanning-tree root guard
D. (config)# spanning-tree root guard

Answer: A

@ Boxing need to re confirm answer for below A or D ?

6.When a Layer 2 EtherChannel is configured, which statement about interaction with the Spanning Tree Protocol is true?

A . Spanning Tree uses only the member ports for forwarding.
B . Spanning Tree does not use port channels in loop prevention
C . Spanning Tree uses the port channel and member ports for forwarding.
D . Spanning Tree uses the port channel for forwarding.

@karim

D . Spanning Tree uses the port channel for forwarding.

with etherchannel its all about the port channel, not the member ports, for STP and traffic forwarding..

@ Switchy no need of documentation bro

Router only taking one command under interface that is

(config if)# spanning-tree guard root