2015年1月25日星期日

642-813 latest dumps

Implementing Cisco IP Switched Networks

Exam Number 300-115 SWITCH
Associated Certifications CCNP Routing and Switching
CCDP
Duration 120 minutes (45-65 questions)
Available Languages English
Register Pearson VUE
Exam Policies Read current policies and requirements
Exam Tutorial Review type of exam questions



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642-813 Training onlineExam Code: 642-813
Exam Name: Implementing Cisco IP Switched Networks
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642-813 Latest Dumps Total Q&A: 196 Questions and Answers
Last Update: 01-25,2015
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NO.1 Refer to the exhibit.
From the configuration shown, what can be determined?
A. The sticky addresses are only those manually configured MAC addresses enabled with the sticky
keyword.
B. The remaining secure MAC addresses are learned dynamically, converted to sticky secure MAC
addresses, and added to the running configuration.
C. A voice VLAN is configured in this example, so port security should be set for a maximum of 2.
D. A security violation restricts the number of addresses to a maximum of 10 addresses per access
VLAN and voice VLAN. The port is shut down if more than 10 devices per VLAN attempt to access the
port.
Answer: B

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Explanation:
By enabling sticky port security, you can configure an interface to convert the dynamic MAC
addresses to sticky secure MAC addresses and to add them to the running configuration. You might
want to do this if you do not expect the user to move to another port, and you want to avoid
statically configuring a MAC address on every port. To enable sticky port security, enter the
switchport port-security mac-address sticky command. When you enter this command, the interface
converts all the dynamic secure MAC addresses, including those that were dynamically learned
before sticky learning was enabled, to sticky secure MAC addresses. The sticky secure MAC addresses
do not automatically become part of the configuration file, which is the startup configuration used
each time the switch restarts. If you save the running config file to the configuration file, the interface
does not need to relearn these addresses when the switch restarts. If you do not save the
configuration, they are lost.
Reference:
http://www.cisco.com/en/US/docs/switches/lan/catalyst4500/12.2/53SG/configuration/port_sec.ht
m l#wp1047668

NO.2 Refer to the exhibit.
HSRP has been configured and Link A is the primary route to router R4. When Link A fails, router R2
(Link B) becomes the active router. Which router will assume the active role when Link A becomes
operational again?
A. The primary router R1 will reassume the active role when it comes back online.
B. The standby router R2 will remain active and will forward the active role to router R1 only in the
event of its own failure.
C. The standby router R2 will remain active and will forward the active role to router R1 only in the
event of Link B failure.
D. The third member of the HSRP group, router R3, will take over the active role only in event of
router R2 failure.
Answer: A

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Explanation:
When Link A goes down, the HSRP priority value of R1 goes down to 95 (105-10) so R2 will be the
active router as it is using the default priority of 100. When Link A comes back up, R1's priority is then
105 again and since pre-emption is enabled, it will take back over the active role again.

NO.3 In the MAC address 0000.0c07.ac03, what does the "03" represent?
A. HSRP router number 3
B. Type of encapsulation
C. HSRP group number
D. VRRP group number
E. GLBP group number
Answer: C

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Explanation:
Each router keeps a unique MAC address for its interface. This MAC address is always associated with
the unique IP address configured on the interface. For the virtual router address, HSRP defines a
special MAC address of the form 0000.0c07.acxx, where xx represents the HSRP group
number as a two-digit hex value. For example, HSRP Group 1 appears as 0000.0c07.ac01, HSRP
Group 16 appears as 0000.0c07.ac10.
Reference: Cisco Hot Standby Router Protocol (HSRP)
(http://tools.ietf.org/html/rfc2281#page-13)

NO.4 Which three items are configured in MST configuration submode? (Select three)
A. Region name
B. Configuration revision number
C. VLAN instance map
D. IST STP BPDU hello timer
E. CST instance map
F. PVST+ instance map
Answer: A,B,C

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Explanation:
spanning-tree mst configuration:
Use the spanning-tree mst configuration command to enter the MST configuration submode. Use
the no form of this command to return to the default MST configuration.
Defaults:
The default value for the MST configuration is the default value for all its parameters:
Usage Guidelines:
The MST configuration consists of three main parameters:

NO.5 Which statement best describes implementing a Layer 3 EtherChannel?
A. EtherChannel is a Layer 2 feature and not a Layer 3 feature.
B. Implementation requires switchport mode trunk and matching parameters between switches.
C. Implementation requires disabling switchport mode.
D. A Layer 3 address is assigned to the physical interface.
Answer: C

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Explanation:
To enable Layer 3 EtherChannel all interfaces participating in channel creation must be in routing
mode. To move interface from switching mode to routing mode one uses the command no
switchport.
Reference:
http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.1E/native/configuration/guide
/c hannel.html

NO.6 What are three results of issuing the switchport host command? (Choose three.)
A. disables EtherChannel
B. enables port security
C. disables Cisco Discovery Protocol
D. enables PortFast
E. disables trunking
F. enables loopguard
Answer: A,D,E

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Explanation:
The switchport host command disables channeling, enables spanning-tree portfast and enables the
switchport nonegotiate command to turn off DTP negotiation packets.
Reference:
http://www.cisco.com/en/US/products/hw/switches/ps700/products_tech_note09186a008015bfd6.
shtml#hostfix

NO.7 Which MST configuration statement is correct?
A. MST configurations can be propagated to other switches using VTP.
B. After MST is configured on a Switch, PVST+ operations will also be enabled by default.
C. MST configurations must be manually configured on each switch within the MST region.
D. MST configurations only need to be manually configured on the Root Bridge.
E. MST configurations are entered using the VLAN Database mode on Cisco Catalyst switches.
Answer: A

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Explanation:
In addition to propagating VTP information, version 3 can propagate Multiple Spanning Tree (MST)
protocol database information. A separate instance of the VTP protocol runs for each application that
uses VTP.
Reference:
http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3560/software/release/122_52_se/con
figuration/guide/3560scg/swvtp.html

NO.8 What is needed to verify that a newly implemented security solution is performing as expected
?
A. a detailed physical and logical topology
B. a cost analysis of the implemented solution
C. detailed logs from the AAA and SNMP servers
D. results from audit testing of the implemented solution
Answer: D

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Explanation:
Recommended by Cisco verification plan for designing a security solution includes verification of an
implemented security solution requires results from audit testing of the implemented solution.
Reference:
http://www.ccnpguide.com/design-documentation/

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