Free Download Pass4sure Cisco CCDP 642-813 Exam Questions

Implementing Cisco IP Switched Networks (SWITCH): 642-813 Exam
642-813 Questions & Answers
Exam Code: 642-813
Exam Name: Implementing Cisco IP Switched Networks (SWITCH)
Q & A: 161 Q&As

QUESTION 1
Which two statements are true about port BPDU Guard and BPDU filtering? (Choose two.)
A. BPDU guard can be enabled globally, whereas BPDU filtering must be enabled on a per-interface basis.
B. When globally enabled, BPDU port-guard and BPDU filtering apply only to PortFast enabled ports.
C. When globally enabled, BPDU port-guard and BPDU filtering apply only to trunking-enabled ports.
D. When a BPDU is received on a BPDU port-guard enabled port, the interface goes into the err-disabled state.
E. When a BPDU is received on a BPDU filtering enabled port, the interface goes into the err-disabled state.
F. When a BPDU is received on a BPDU filtering enabled port, the interface goes into the STP blocking state.
Answer: BD

QUESTION 2
Hotspot – Super HSRP
Answer: On DS2, increase the priority value to a value greater 241 and less than 249
The Super HSRP cotains 6 questions.
PS: You can see the Comprehensive Question Description & Topology and Answer
& Explanation From Full Version.

QUESTION 3
Which two statements about the various implementations of STP are true? (Choose two.)
A. Common Spanning Tree maintains a separate spanning-tree instance for each VLAN configured
in the network.
B. The Spanning Tree Protocol (STP) is an evolution of the IEEE 802.1w standard.
C. Per-VLAN Spanning Tree (PVST) supports 802.1Q trunking.
D. Per-VLAN Spanning Tree Plus(PVST+) is an enhancement to 802.1Q specification and is supported
only on Cisco devices.
E. Rapid Spanning Tree Protocol (RSTP) includes features equivalent to Cisco PortFast, UplinkFast,
and BackboneFast for faster network reconvergence.
F. Multiple Spanning Tree (MST) assumes one spanning-tree instance for the entire Layer 2 network,
regardless of the multiple number of VLANs.
Answer: DE

QUESTION 4
Refer to the exhibit. For what purpose is the command show ip cef used?
A. to display rewritten IP unicast packets
B. to display ARP resolution packets
C. to display ARP throttling
D. to display TCAM matches
E. to display CEF-based MLS lookups
F. to display entries in the Forwarding Information Base (FIB)
Answer: F

QUESTION 5
Lab – AAA dot1x
PS: You can see the Comprehensive Question Description & Topology and Answer
& Explanation From Full Version.

QUESTION 6
Refer to the exhibit. Which statement is true about the output?
A. The port on switch CAT1 is forwarding and sending BPDUs correctly.
B. The port on switch CAT1 is blocking and sending BPDUs correctly.
C. The port on switch CAT2 is forwarding and receiving BPDUs correctly.
D. The port on switch CAT2 is blocking and sending BPDUs correctly.
E. The port on switch CAT3 is forwarding and receiving BPDUs correctly.
F. The port on switch CAT3 is forwarding, sending, and receiving BPDUs correctly.
Answer: A

QUESTION 7
Refer to the exhibit. What does the command channel-group 1 mode desirable do? *
A. enables LACP unconditionally
B. enables PAgP only if a PAgP device is detected
C. enables PAgP unconditionally
D. enables Etherchannel only
E. enables LACP only if a LACP device is detected
Answer: C

QUESTION 8
Refer to the exhibit. Initially, LinkA is connected and forwarding traffic. A new LinkB is then
attached between SwitchA and HubA. Which two statements are true about the possible result of
attaching the second link? (Choose two.)
A. The switch port attached to LinkB will not transistion to up.
B. One of the two switch ports attached to the hub will go into blocking mode when a BPDU is received.
C. Both switch ports attached to the hub will transition to the blocking state.
D. A heavy traffic load could cause BPDU transmissions to be blocked and leave a switching loop.
E. The switch port attached to LinkA will immediately transition to the blocking state.
Answer: BD

QUESTION 9
How are STP timers and state transitions affected when a topology change occurs in an STP
environment?
A. All ports will temporarily transition to the learning state for a period equal to the max age timer
plus the forward delay interval.
B. All ports will transition temporarily to the learning state for a period equal to the forward delay interval.
C. The default aging time for MAC address entries will be reduced for a period of the max age timer
plus the forward delay interval.
D. The default hello time for configuration BPDUs will be reduced for the period of the max age timer.
Answer: C

QUESTION 10
What two things will occur when an edge port receives a BPDU? (Choose two.)
A. The port immediately transitions to the Forwarding state.
B. The switch generates a Topology Change Notification (TCN) BPDU.
C. The port immediately transitions to the err-disable state.
D. The port becomes a normal STP switch port.
Answer: BD

QUESTION 11
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

QUESTION 12
Which option correctly identifies the Cisco IOS switching methods in descending order from the
fastest method to the slowest method?
A. CEF, distributed CEF (dCEF), fast switching, process switching
B. distributed CEF (dCEF), CEF, fast switching, process switching
C. fast switching, process switching, distributed CEF (dCEF), CEF
D. process switching, fast switching, distributed CEF (dCEF), CEF
E. process switching, distributed CEF (dCEF), CEF, fast switching
F. process switching, CEF, distributed CEF (dCEF), fast switching
Answer: B

QUESTION 13
Refer to the exhibit and the partial configuration of switch SW_A and SW_B. STP is configured on
all switches in the network. SW_B receives this error message on the console port:
00:06:34: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on FastEthernet0/5 (not
half duplex), with SW_A FastEthernet0/4 (half duplex) ,with TBA05071417(Cat6K-B) 0/4 (half
duplex).
What would be the possible outcome of the problem? *
A. The root port on switch SW_A will automatically transition to full-duplex mode.
B. The root port on switch SW_B will fallback to full-duplex mode.
C. The interfaces between switches SW_A and SW_B will transition to a blocking state.
D. Interface Fa 0/6 on switch SW_B will transition to a forwarding state and create a bridging loop.
Answer: D

QUESTION 14
Which three statements are true of the Link Aggregation Control Protocol (LACP)? (Choose
three.)
A. LACP is used to connect to non-Cisco devices.
B. LACP packets are sent with the command channel-group 1 mode desirable.
C. LACP packets are sent with the command channel-group 1 mode active.
D. Standby interfaces should be configured with a higher priority.
E. Standby interfaces should be configured with a lower priority.
Answer: ACD

QUESTION 15
Refer to the exhibit. All network links are FastEthernet. Although there is complete connectivity
throughout the network, Front Line users have been complaining that they experience slower
network performance when accessing the server farm than the Reception office experiences.
Based on the exhibit, which two statements are true? (Choose two.)
A. Changing the bridge priority of S1 to 4096 would improve network performance.
B. Changing the bridge priority of S1 to 36864 would improve network performance.
C. Changing the bridge priority of S2 to 36864 would improve network performance.
D. Changing the bridge priority of S3 to 4096 would improve network performance.
E. Disabling the Spanning Tree Protocol would improve network performance.
F. Upgrading the link between S2 and S3 to Gigabit Ethernet would improve performance.
Answer: BD

QUESTION 17
Which two statements are true when the extended system ID feature is enabled? (Choose two.)
A. The BID is made up of the bridge priority value (2 bytes) and bridge MAC address (6 bytes).
B. The BID is made up of the bridge priority (4 bits), the system ID (12 bits), and a bridge MAC
address (48 bits).
C. The BID is made up of the system ID (6 bytes) and bridge priority value (2 bytes).
D. The system ID value is the VLAN ID (VID).
E. The system ID value is a unique MAC address allocated from a pool of MAC addresses assigned
to the switch or module.
F. The system ID value is a hex number used to measure the preference of a bridge in the
spanning-tree algorithm.
Answer: BD

QUESTION 18
Based on the show spanning-tree vlan 200 output shown in the exhibit, which two statements
about the STP process for VLAN 200 are true? (Choose two.)
A. BPDUs will be sent out every two seconds.
B. The time spent in the listening state will be 30 seconds.
C. The time spent in the learning state will be 15 seconds.
D. The maximum length of time that the BPDU information will be saved is 30 seconds.
E. This switch is the root bridge for VLAN 200.
F. BPDUs will be sent out every 10 seconds.
Answer: BF

QUESTION 19
Which three statements about STP timers are true? (Choose three.)
A. STP timers values (hello, forward delay, max age) are included in each BPDU.
B. A switch is not concerned about its local configuration of the STP timers values. It will only
consider the value of the STP timers contained in the BPDU it is receiving.
C. To successfully exchange BPDUs between two switches, their STP timers value (hello, forward
delay, max age) must be the same.
D. If any STP timer value (hello, forward delay, max age) needs to be changed, it should at least be
changed on the root bridge and backup root bridge.
E. On a switched network with a small network diameter, the STP hello timer can be tuned to a lower
value to decrease the load on the switch CPU.
F. The root bridge passes the timer information in BPDUs to all routers in the Layer 3 configuration.
Answer: ABD

QUESTION 20
Examine the diagram. A network administrator has recently installed the above switched network
using 3550s and would like to control the selection of the root bridge. Which switch should the
administrator configure as the root bridge and which configuration command must the
administrator enter to accomplish this?
A. DSW11(config)# spanning-tree vlan 1 priority 4096
B. DSW12(config)# set spanning-tree priority 4096
C. ASW13(config)# spanning-tree vlan 1 priority 4096
D. DSW11(config)# set spanning-tree priority 4096
E. DSW12(config)# spanning-tree vlan 1 priority 4096
F. ASW13(config)# set spanning-tree priority 4096
Answer: E

Lead2Pass 642-813 braindumps can ensure you a passing score in the test. However, if you fail the 642-813 exam at the first attempt after using our products, we will arrange a Full Refund to you. You just need to send your 642-813 score report and some relevant forms to us. After confirming your information, we will proceed for the guarantee claim to eliminate your worries.

http://www.lead2pass.com/642-813.html

Lead2pass Testking Pass4sure Actualtests Others
$99.99 $124.99 $125.99 $189 $29.99-$49.99
Up-to-Dated
Real Questions
Error Correction
Printable PDF
Premium VCE
VCE Simulator
One Time Purchase
Instant Download
Unlimited Install
100% Pass Guarantee
100% Money Back