p4s ccna 640-816 v2.73
Interconnecting Cisco Networking Devices Part 2 : 640-816 Exam
Exam Number/Code: 640-816
Exam Name: Interconnecting Cisco Networking Devices Part 2
“Interconnecting Cisco Networking Devices Part 2″, also known as 640-816 exam, is a Cisco certification.
Preparing for the 640-816 exam? Searching 640-816 Test Questions, 640-816 Practice Exam, 640-816 Dumps?
With the complete collection of questions and answers, Pass4sure has assembled to take you through 147 Q&As to your 640-816 Exam preparation. In the 640-816 exam resources, you will cover every field and category in CCNA helping to ready you for your successful Cisco Certification.
QUESTION 24:
The Certkiller network is shown below:
How will Spanning Tree affect the operation of the network devices shown in the
graphic?
A. Spanning Tree will block client ports that suffer from excessive errors.
B. Spanning Tree will learn client MAC addresses and assign them to switch ports.
C. Spanning Tree will allow these switches to load balance across the redundant links to
increase network throughput.
D. Spanning Tree will learn which of the redundant links should be blocked.
E. Spanning tree will automatically configure the switches with VLAN information.
Answer: D
Explanation:
STP states are as follows:
Disabled-Ports that are administratively shut down by the network administrator, or by the
system due to a fault condition, are in the Disabled state. This state is special and is not
part of the normal STP progression for a port.
Blocking-After a port initializes, it begins in the Blocking state so that no bridging loops
can form. In the Blocking state, a port cannot receive or transmit data and cannot add
MAC addresses to its address table. Instead, a port is allowed to receive only BPDUs so
that the switch can hear from other neighboring switches. In addition, ports that are put
into standby mode to remove a bridging loop enter the Blocking state.
Listening-The port will be moved from Blocking to Listening if the switch thinks that the port can be
selected as a Root Port or Designated Port. In other words, the port is on its way to begin forwarding
traffic. In the Listening state, the port still cannot send or receive data frames. However, the port is allowed
to receive and send BPDUs so that it can actively participate in the Spanning Tree topology process. Here,
the port is finally allowed to become a Root Port or Designated Port because the switch can advertise the
port by sending BPDUs to other switches. Should the port lose its Root Port or Designated Port status, it
returns to the Blocking state.
Learning-After a period of time called the Forward Delay in the Listening state, the port is allowed to
move into the Learning state. The port still sends and receives BPDUs as before. In addition, the switch
can now learn new MAC addresses to add to its address table. This gives the port an extra period of silent
participation and allows the switch to assemble at least some address table information.
Forwarding-After another Forward Delay period of time in the Learning state, the port is
allowed to move into the Forwarding state. The port can now send and receive data
frames, collect MAC addresses in its address table, and send and receive BPDUs. The
port is now a fully functioning switch port within the Spanning Tree topology.
QUESTION 25:
Four Certkiller switches are shown below:
Assuming these are the only four switches in the network and the switches are
connected with redundant links, which switch will be elected as the spanning-tree
root bridge?
A. Certkiller 1
B. Certkiller 2
C. Certkiller 3
D. Certkiller 4
Answer: A
Explanation:
To elect the root bridge in the LAN, first check the priority value. The switch having
lowest priority will win the race. If Priority Value is same then it checks the MAC
Address, the switch having lowest MAC Address will be the root bridge. Here Switch 1
has the lowest MAC Address soit becomes the root bridge.
QUESTION 26:
Four Certkiller switches are shown below:
The bridge ID for each switch and the bandwidth for each link is shown. Assuming
that all switches are set to the default configuration, which ports will be blocking
when Spanning Tree has converged? (Choose three.)
A. Certkiller A port that connects to Certkiller D
B. Certkiller A port that connects to Certkiller B
C. Certkiller A port that connects to Certkiller C
D. Certkiller B port that connects to Certkiller C
E. Certkiller B port that connects to Certkiller D
F. Certkiller D port that connects to Certkiller A
Answer: A, B, E
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Questions and Answers : 147 Q&As
Updated: 2008-3-1
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Comment by senin
dear fellow i cannot download 640-816 version 2.73 can u please send through my email
thank you
Comment by senin
can u please upload the file again i going to take the exam the end of this month
thank you very much
Comment by senin
heelo can any one send me the software for p4s 640-816 version2.73 to this email mcheali@gmail.com
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Interconnecting Cisco Networking Devices Part 2 : 640-816 Exam
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Interconnecting Cisco Networking Devices Part 2
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Feedbacks
* “I took my 640-816 this morning and passed with 1000 points.
I studied using CBT videos, P4S 2.73
2 questions on the exam that I haven’t some problem.
Good luck.
”
* — wuffguk (Oct, 12 2008)
* “Just passed this today with a 972/1000.
All the knowledge concerned was on the latest p4s.
816 require a significant more of critical thinking than the 802.
All the sims and hotspots from p4s were on the test.
No ipv6 questions but don’t rule it out.
Now onto the ccnp.
”
* — yeeck (Oct, 8 2008)
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