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Drag and Drop

August 27th, 2017 in SWITCH 300-115 Go to comments

Question 1

Question 2

Question 3

Question 4

Explanation

There are several STP timers, as this list shows:
+ Hello – is the time between each bridge protocol data unit (BPDU) that is sent on a port. This time is equal to 2 seconds (sec) by default, but you can tune the time to be between 1 and 10 sec.
+ Forward delay – The forward delay is the time that is spent in the listening and learning state. This time is equal to 15 sec by default, but you can tune the time to be between 4 and 30 sec.
+ Max Age – controls the maximum length of time that passes before a bridge port saves its configuration BPDU information. This time is 20 sec by default, but you can tune the time to be between 6 and 40 sec.

Reference: http://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/19120-122.html

Question 5

Question 6

Explanation

Bridge transit delay (transit delay)This value is the time that elapsed between the reception and the transmission of the same frame by the bridge. This is logically the latency through the bridge. The IEEE recommendation is to consider 1 sec as the maximum bridge transit delay.

Medium access delay (med_access_delay)—This value is the time that is necessary for a device to gain access to the media for initial transmission. It is the time between the CPU decision to send a frame and the moment when the frame effectively begins to leave the bridge. The IEEE recommendation is to use 0.5 sec as the maximum time.

Question 7

Question 8

Question 9

Question 10

Question 11

Drag and drop about VSS and Stack

VSS_Stack.jpg

Answer:

VSS:
+ can be used even in geographically distributed equipment
+ is supported only on line 4500 and 6500
+ uses 10Gbps interfaces

Stack:
+ can be connected in up to 9 devices
+ is supported only on line 3750 and (2960/3650/3850/3750+)
+ uses proprietary cable for connection[/am4show]

Question 12

Explanation

A source port (also called a monitored port) is a switched or routed port that you monitor for network traffic analysis. In a local SPAN session or RSPAN source session, you can monitor source ports or VLANs for traffic in one or both directions.

A source port has these characteristics:
+ It can be monitored in multiple SPAN sessions.
+ Each source port can be configured with a direction (ingress, egress, or both) to monitor.
+ It can be any port type (for example, EtherChannel, Gigabit Ethernet, and so forth).
+ For EtherChannel sources, you can monitor traffic for the entire EtherChannel or individually on a physical port as it participates in the port channel.
+ It can be an access port, trunk port, routed port, or voice VLAN port.
+ It cannot be a destination port.
+ Source ports can be in the same or different VLANs.
+ You can monitor multiple source ports in a single session.

The two last characteristics mean that multiple VLANs can be included in a single session.

A destination port has these characteristics:
+ For a local SPAN session, the destination port must reside on the same switch or switch stack as the source port. For an RSPAN session, it is located on the switch containing the RSPAN destination session. There is no destination port on a switch or switch stack running only an RSPAN source session.
+ When a port is configured as a SPAN destination port, the configuration overwrites the original port configuration. When the SPAN destination configuration is removed, the port reverts to its previous configuration. If a configuration change is made to the port while it is acting as a SPAN destination port, the change does not take effect until the SPAN destination configuration had been removed.
+ If the port was in an EtherChannel group, it is removed from the group while it is a destination port. If it was a routed port, it is no longer a routed port.
+ It can be any Ethernet physical port.
+ It cannot be a secure port.
+ It cannot be a source port.
+ It cannot be an EtherChannel group or a VLAN.
+ It can participate in only one SPAN session at a time (a destination port in one SPAN session cannot be a destination port for a second SPAN session).
+ When it is active, incoming traffic is disabled. The port does not transmit any traffic except that required for the SPAN session. Incoming traffic is never learned or forwarded on a destination port.
+ If ingress traffic forwarding is enabled for a network security device, the destination port forwards traffic at Layer 2.
+ It does not participate in any of the Layer 2 protocols (STP, VTP, CDP, DTP, PagP).
+ A destination port that belongs to a source VLAN of any SPAN session is excluded from the source list and is not monitored.

Reference: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750x_3560x/software/release/12-2_55_se/configuration/guide/3750xscg/swspan.html

Comments
Comment pages
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  1. Dirk
    December 2nd, 2017

    Why does only only Dnd load?

  2. Dirk
    December 2nd, 2017

    only one?

  3. Password for the VCE
    December 12th, 2017

    Hi in the Ip helper Q12 answer is
    1. It acts as the monitoring port
    2. It can be monitored as a bundled logical port or as individual physical ports
    3. Multiple VLANs can be included in a single session

    Destination switch:
    1. It can be trunk or an access port
    2. It is not supported as part of a VLAN
    3. Its original configuration is overwritten by the SPAN configuration

    which one is correct

  4. acva
    December 31st, 2017

    path cost
    1-20000000
    ?
    switch priority ?
    port priority ?

  5. Pipo
    January 1st, 2018

    I am also interested in the answer.

    Hi in the Ip helper Q12 answer is
    1. It acts as the monitoring port
    2. It can be monitored as a bundled logical port or as individual physical ports
    3. Multiple VLANs can be included in a single session

    Destination switch:
    1. It can be trunk or an access port
    2. It is not supported as part of a VLAN
    3. Its original configuration is overwritten by the SPAN configuration

    which one is correct

  6. john_padawan
    January 5th, 2018

    To clear your doubts,
    SPAN source port is referenced as “monitored port” where SPAN destination port is referenced as “monitoring port”.

    See below link:
    https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst2960/software/release/12-2_55_se/configuration/guide/scg_2960/swspan.html

    I was also curious which answer should be for that.

  7. Anonymous
    January 20th, 2018

    Can anyone pls share drag and drop questions with me pls I am taking my exam tomorrow I will share all my material but i am nervous about my drag and drop questions

  8. coliva
    January 22nd, 2018

    1. It can be trunk or an access port
    2. It can be monitored as a bundled logical port or as individual physical ports
    3. Multiple VLANs can be included in a single session

    Destination switch:
    1.It acts as the monitoring port
    2. It is not supported as part of a VLAN
    3. Its original configuration is overwritten by the SPAN configuration

    I think this is the right answer. The source port is called “monitored” not “monitoring”.
    If you configure a span/rspan session you will see in show int:
    line up, prot down (monitoring)

  9. Sanjay
    February 6th, 2018

    What was the score Anonymous? Could not pass, scored on 626. Please help, where can I get a reliable dumb. My dumb contains many wrong answers.

  10. Anonymous
    February 6th, 2018

    12$ well spent , I passed , though the mark was a little above pass mark.
    most of the answer were twisted and some of the questions too, buh if you understand the concept and not that you are cramming the answers, you won’t have issue.
    Thank you Lord Jesus and thank you certprep team.
    Tshoot is the next

  11. Sanjay
    February 16th, 2018

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