200-301 practice questions 591–600

1. Question 591 · 1334 in bank

   If a switch port receives a new frame while it is actively transmitting a previous frame, how does it process the frames?

   • AThe new frame is delivered first, the previous frame is dropped, and a retransmission request is sent
   • BThe previous frame is delivered, the new frame is dropped, and a retransmission request is sent
   • CThe new frame is placed in a queue for transmission after the previous frame
   • DThe two frames are processed and delivered at the same time

   Show answer

   Answer: C

   Explanation

   They are processed at the same time, but if they are supposed to be sent using the same interface, new one will be sent when it is free to go. Like blitzstorm pointed out: FIFO is default config for a queue. Full duplex means receiving and sending is possible at the same time, but no magic will make switch send 2 frames out of the same interface simultaneously with that configuration. plus it's a little wording puzzle, if one frame is already being transmitted, there is no possibility for the new one to be sent at exactly the same time (it still needs to be processed, so a tiny difference in time, but still a difference)

   Source: Adapted from community discussion — thomson_johnson

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2. Question 592 · 1334 in bank

   

   Refer to the exhibit. The entire MAC address table for SW1 is shown here:

   

   What does SW1 do when Br-4 sends a frame for Br-2

   • AIt performs a lookup in the MAC address table for Br-4 and discards toe frame due to a missing entry.
   • BIt floods the frame out or all ports except on the port where Br-2 is connected.
   • CIt Inserts the source MAC address and port into the forwarding table and forwards the frame to Br-2.
   • DIt maps the Layer 2 MAC address for Fa0/3 to the Layer 3 IP address and towards the frame.

   Show answer

   Answer: C

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3. Question 593 · 1334 in bank

   Which type of IPv6 address is publicly routable in the same way as IPv4 public addresses?

   • Amulticast
   • Bunique local
   • Clink-local
   • Dglobal unicast

   Show answer

   Answer: D

   Explanation

   Global unicast addresses (GUAs), also known as aggregatable global unicast addresses, are globally routable and reachable in the IPv6 Internet. They are equivalent to public IPv4 addresses. They play a significant role in the IPv6 addressing architecture

   Source: Adapted from community discussion — Shaz313

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4. Question 594 · 1334 in bank

   

   Refer to the exhibit. The entire Marketing-SW1 MAC address table is shown here:

   

   What does the switch do when PC-4 sends a frame to PC-1?

   • AIt performs a lookup in the MAC address table and discards the frame due to a missing entry.
   • BIt maps the Layer 2 MAC address to the Layer 3 IP address and forwards the frame.
   • CIt inserts the source MAC address and port into the table and forwards the frame to PC-1.
   • DIt floods the frame out of all ports except on the port where PC-1 is connected.

   Show answer

   Answer: C

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5. Question 595 · 1334 in bank

   

   Refer to the exhibit. Which switch becomes the root of a spanning tree for VLAN 10 if the primary switch fails and all links are of equal speed?

   

   • ASW1
   • BSW2
   • CSW3
   • DSW4

   Show answer

   Answer: C

   Explanation

   Switch 2 is primary. But in this context, that is to say when it fails, the primary is chosen between SW1, SW3 and SW4. Thus, SW3 becomes the root. Answer C is correct.

   Source: Adapted from community discussion — dannyode

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6. Question 596 · 1334 in bank

   

   Refer to the exhibit. Host A sent a data frame destined for host D.

   

   What does the switch do when it receives the frame from host A?

   • AIt floods the frame out of all ports except port Fa0/1
   • BIt experiences a broadcast storm
   • CIt shuts down the port Fa0/1 and places it in err-disable mode
   • DIt drops the frame from the switch CAM table

   Show answer

   Answer: A

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7. Question 597 · 1334 in bank

   

   Refer to the exhibit. Which switch becomes the root of the spanning tree?

   

   • ASwitch 1
   • BSwitch 2
   • CSwitch 3
   • DSwitch 4

   Show answer

   Answer: B

   Explanation

   I swear the questions alternate between being incredibly basic - i.e. did you even bother to learn anything - or involve some obscure edge-case that isn't covered at all in any of the official course materials. This is obviously the former. Wtf Cisco?

   Source: Adapted from community discussion — [Removed]

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8. Question 598 · 1334 in bank

   Which channel-group mode must be configured when multiple distribution interfaces connected to a WLC are bundled?

   • AChannel-group mode passive.
   • BChannel-group mode on.
   • CChannel-group mode desirable.
   • DChannel-group mode active.

   Show answer

   Answer: B

   Explanation

   For anyone not wanting to search through this article, I believe the reasoning is: "Notice that the channel-group mode is set to on which enables Etherchannel without any LACP or PAgP support. This is because the WLC doesn’t support LACP or PAgP and requires a plain vanilla Etherchannel."

   Source: Adapted from community discussion — Customexit

   References

   • Cisco documentation
   • Cisco documentation

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9. Question 599 · 1334 in bank

   

   Refer to the exhibit. Which switch become the root of a spanning tree for VLAN 20 if all links are of equal speed?

   

   • ASW1
   • BSW2
   • CSW3
   • DSW4

   Show answer

   Answer: A

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10. Question 600 · 1334 in bank

    Which Layer 2 switch function encapsulates packets for different VLANs so that the packets transverse the same port and maintain traffic separation between the VLANs?

    • AVLAN marking
    • BVLAN numbering
    • CVLAN DSCP
    • DVLAN tagging

    Show answer

    Answer: D

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200-301 practice, question 591. 1334 questions available.