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642-813 Q&A – Mix Practice Questions (56-60)

Section 6 – Mix Practice Questions

What will occur when a nonedge switch port that is configured for Rapid Spanning Tree does not receive a BPDU from its neighbor for three consecutive hello time intervals?
A. RSTP information is automatically aged out.
B. The port sends a TCN to the root bridge.
C. The port moves to listening state.
D. The port becomes a normal spanning tree port.
Answer: A

Refer to the exhibit. Consider the following scenario:

A packet sourced from host, port 65001, is going to host on the Telnet port. Assuming that this ACL is properly applied on the switch, if this packet is fragmented, which of the following conditions will result, based upon the access list shown in the exhibit?
A. Because the first fragment is denied, host cannot reassemble a complete packet, and a TCP reset is sent to the source host, informing the host to stop sending additional traffic.
B. All fragments will be denied due to the Layer 4 requirement of the ACE.
C. The remaining fragments in the packet do not match the second ACE because they are missing Layer 4 information. Instead, they match the third ACE (a permit).
D. The source host on will not receive an acknowledgement reply to the initial Telnet packet from host Therefore, the host will abort the attempted Telnet session.
Answer: C

A port in a redundant topology is currently in the blocking state and is not receiving BPDUs. To ensure that this port does not erroneously transition to the forwarding state, which command should be configured to satisfy the requirement?
A. Switch(config)#spanning-tree loopguard default
B. Switch(config-if)#spanning-tree bdpufilter
C. Switch(config)#udld aggressive
D. Switch(config-if)#spanning-tree bpduguard
Answer: A

When you create a network implementation VLAN solution, what is one procedure that you should include in your plan?
A. Perform an incremental implementation of components.
B. Following the PPDIOO model, implement the entire solution and then test end-to-end to make sure that it is performing as designed.
C. Implement trunking of all VLANs to ensure that traffic is crossing the network as needed before performing any pruning of VLANs.
D. Test the solution on a segmented portion of a lab network prior to rolling out across the entire network.
Answer: A

When planning high availability, which two components are important to minimize the effect of outages? (Choose two.)
A. work staff attributes, such as skills and communication
B. redundancy, to prevent single points of failure
C. processes, such as documentation, change control, and labs
D. appropriate technology, such as hardware and software
E. tools, such as those for monitoring and reporting
Answer: BD