Vendor: Cisco
Certifications: CCDP
Exam Name: Implementing Cisco IP Switched Networks (SWITCH v2.0)
Exam Code: 300-115
Total Questions: 201 Q&As
Last Updated: Apr 13, 2017
Exam Name: Implementing Cisco IP Switched Networks (SWITCH v2.0)
Exam Code: 300-115
Total Questions: 201 Q&As
Last Updated: Apr 13, 2017
This 300-115 dumps complete study package includes
- A test-preparation routine proven to help you pass the exam
- “Do I Know This Already?” quizzes, which enable you to decide how much time you need to spend on each section
- Chapter-ending exercises, which help you drill on key concepts you must know thoroughly
- The powerful Pearson IT Certification Practice Test software, complete with hundreds of well-reviewed, exam-realistic questions, customization options, and detailed performance reports
- More than 60 minutes of personal video mentoring from the author on important exam topics
- A final preparation chapter, which guides you through tools and resources to help you craft your review and test-taking strategies
- Study plan suggestions and templates to help you organize and optimize your study time
300-115 dumps QUESTION 54
What is the default value for the errdisable recovery interval in a Cisco switch?
A. 30 seconds
B. 100 seconds
C. 300 seconds
D. 600 seconds
Correct Answer: C
Explanation
Explanation/Reference:
Explanation:
After you fix the root problem, the ports are still disabled if you have not configured errdisable recovery on the switch. In this case, you must reenable the ports
manually. Issue the shutdown command and then the no shutdown interface mode command on the associated interface in order to manually reenable the ports.The errdisable recovery command allows you to choose the type of errors that automatically reenable the ports after a specified amount of time. The show
errdisable recovery command shows the default error-disable recovery state for all the possible conditions.
cat6knative#show errdisable recovery
ErrDisable Reason Timer Status
----------------- --------------
udld Disabled
bpduguard Disabled
security-violatio Disabled
channel-misconfig Disabled
pagp-flap Disabled
dtp-flap Disabled
link-flap Disabled
l2ptguard Disabled
psecure-violation Disabled
gbic-invalid Disabled
dhcp-rate-limit Disabled
mac-limit Disabled
unicast-flood Disabled
arp-inspection Disabled
Timer interval: 300 seconds
Interfaces that will be enabled at the next timeout:
Note: The default timeout interval is 300 seconds and, by default, the timeout feature is disabled.
Reference:
What is the default value for the errdisable recovery interval in a Cisco switch?
A. 30 seconds
B. 100 seconds
C. 300 seconds
D. 600 seconds
Correct Answer: C
Explanation
Explanation/Reference:
Explanation:
After you fix the root problem, the ports are still disabled if you have not configured errdisable recovery on the switch. In this case, you must reenable the ports
manually. Issue the shutdown command and then the no shutdown interface mode command on the associated interface in order to manually reenable the ports.The errdisable recovery command allows you to choose the type of errors that automatically reenable the ports after a specified amount of time. The show
errdisable recovery command shows the default error-disable recovery state for all the possible conditions.
cat6knative#show errdisable recovery
ErrDisable Reason Timer Status
----------------- --------------
udld Disabled
bpduguard Disabled
security-violatio Disabled
channel-misconfig Disabled
pagp-flap Disabled
dtp-flap Disabled
link-flap Disabled
l2ptguard Disabled
psecure-violation Disabled
gbic-invalid Disabled
dhcp-rate-limit Disabled
mac-limit Disabled
unicast-flood Disabled
arp-inspection Disabled
Timer interval: 300 seconds
Interfaces that will be enabled at the next timeout:
Note: The default timeout interval is 300 seconds and, by default, the timeout feature is disabled.
Reference:
A. LLDP-MED is an extension to LLDP that operates between endpoint devices and network devices.
B. LLDP-MED is an extension to LLDP that operates only between network devices.
C. LLDP-MED is an extension to LLDP that operates only between endpoint devices.
D. LLDP-MED is an extension to LLDP that operates between routers that run BGP.Correct Answer: AExplanation
Explanation/Reference:Explanation:
LLDP for Media Endpoint Devices (LLDP-MED) is an extension to LLDP that operates between endpoint devices such as IP phones and network devices such as
switches. It specifically provides support for voice over IP (VoIP) applications and provides additional TLVs for capabilities discovery, network policy, Power over
Ethernet, and inventory management.
Reference:
300-115 dumps QUESTION 56
Which statement about Cisco devices learning about each other through Cisco Discovery Protocol is true?
A. Each device sends periodic advertisements to multicast address 01:00:0C:CC:CC:CC.
B. Each device broadcasts periodic advertisements to all of its neighbors.
C. Each device sends periodic advertisements to a central device that builds the network topology.
D. Each device sends periodic advertisements to all IP addresses in its ARP table.
Correct Answer: A
Explanation
Explanation/Reference:
Explanation:
Cisco devices send periodic CDP announcements to the multicast destination address 01-00-0c- cc-cc-cc, out each connected network interface. These multicast
packets may be received by Cisco switches and other networking devices that support CDP into their connected network interface.
Which statement about Cisco devices learning about each other through Cisco Discovery Protocol is true?
A. Each device sends periodic advertisements to multicast address 01:00:0C:CC:CC:CC.
B. Each device broadcasts periodic advertisements to all of its neighbors.
C. Each device sends periodic advertisements to a central device that builds the network topology.
D. Each device sends periodic advertisements to all IP addresses in its ARP table.
Correct Answer: A
Explanation
Explanation/Reference:
Explanation:
Cisco devices send periodic CDP announcements to the multicast destination address 01-00-0c- cc-cc-cc, out each connected network interface. These multicast
packets may be received by Cisco switches and other networking devices that support CDP into their connected network interface.
300-115 dumps QUESTION 57
Which option lists the information that is contained in a Cisco Discovery Protocol advertisement?
A. native VLAN IDs, port-duplex, hardware platform
B. native VLAN IDs, port-duplex, memory errors
C. native VLAN IDs, memory errors, hardware platform
D. port-duplex, hardware platform, memory errors
Correct Answer: A
Explanation
Explanation/Reference:
Explanation:
Type-Length-Value fields (TLVs) are blocks of information embedded in CDP advertisements. Table 21 summarizes the TLV definitions for CDP advertisements.
Table 21 Type-Length-Value Definitions for CDPv2
TLV Definition
Device-ID TLV Identifies the device name in the form of a character string.
Address TLV Contains a list of network addresses of both receiving and sending devices.
Port-ID TLV Identifies the port on which the CDP packet is sent.
Capabilities TLV Describes the functional capability for the device in the form of a de- vice type, for example, a switch.
Version TLV Contains information about the software release version on which the device is running.
Platform TLV Describes the hardware platform name of the device, for example, Cisco 4500.IP Network Prefix Contains a list of network prefixes to which the sending device can TLV forward IP packets. This information is in the form of the interface
protocol and port number, for example, Eth 1/0.
VTP Management Advertises the system's configured VTP management domain name- Domain TLV string. Used by network operators to verify VTP domain
configuration in adjacent network nodes.
Native VLAN TLV Indicates, per interface, the assumed VLAN for untagged packets on the interface. CDP learns the native VLAN for an interface. This fea- ture is
implemented only for interfaces that support the IEEE 802.1Q protocol.
Full/Half Duplex Indicates status (duplex configuration) of CDP broadcast interface. TLV Used by network operators to diagnose connectivity problems be- tween
adjacent network elements.
Which option lists the information that is contained in a Cisco Discovery Protocol advertisement?
A. native VLAN IDs, port-duplex, hardware platform
B. native VLAN IDs, port-duplex, memory errors
C. native VLAN IDs, memory errors, hardware platform
D. port-duplex, hardware platform, memory errors
Correct Answer: A
Explanation
Explanation/Reference:
Explanation:
Type-Length-Value fields (TLVs) are blocks of information embedded in CDP advertisements. Table 21 summarizes the TLV definitions for CDP advertisements.
Table 21 Type-Length-Value Definitions for CDPv2
TLV Definition
Device-ID TLV Identifies the device name in the form of a character string.
Address TLV Contains a list of network addresses of both receiving and sending devices.
Port-ID TLV Identifies the port on which the CDP packet is sent.
Capabilities TLV Describes the functional capability for the device in the form of a de- vice type, for example, a switch.
Version TLV Contains information about the software release version on which the device is running.
Platform TLV Describes the hardware platform name of the device, for example, Cisco 4500.IP Network Prefix Contains a list of network prefixes to which the sending device can TLV forward IP packets. This information is in the form of the interface
protocol and port number, for example, Eth 1/0.
VTP Management Advertises the system's configured VTP management domain name- Domain TLV string. Used by network operators to verify VTP domain
configuration in adjacent network nodes.
Native VLAN TLV Indicates, per interface, the assumed VLAN for untagged packets on the interface. CDP learns the native VLAN for an interface. This fea- ture is
implemented only for interfaces that support the IEEE 802.1Q protocol.
Full/Half Duplex Indicates status (duplex configuration) of CDP broadcast interface. TLV Used by network operators to diagnose connectivity problems be- tween
adjacent network elements.
300-115 dumps QUESTION 58
Which option describes a limitation of LLDP?
A. LLDP cannot provide information about VTP.
B. LLDP does not support TLVs.
C. LLDP can discover only Windows servers.
D. LLDP can discover up to two devices per port.
Correct Answer: A
Explanation
Explanation/Reference:
Explanation:
LLDP Versus Cisco Discovery Protocol TLV Comparison
Function Description LLDP TLV Cisco Discovery
Protocol TLV
IP network prefix support-Used to send the net- No IP Network Prefix work prefix and used for ODR TLV
Hello piggybacking-Can be used to piggy back No Protocol Hello TLV hello messages from other protocols
Maximum-transmission-unit (MTU) sup- No MTU TLV
port-Specifies the size of the MTU
External port support-Used to identify the card No External Port-ID terminating the fiber in the case of wave- TLV
length-division multiplexing (WDM)
VTP management support No VTP Management
Domain TLV
Port unidirectional mode-Used in fiber, where No Port UniDirectional the connection may be unidirectional Mode TLV
Management address Management Ad- Management-Ad
dress TLV dressTLV
Allows for organizational unique TLVs Yes No
Reference:
300-115 dumps QUESTION 59
Which statement about the UDLD protocol is true?
A. UDLD is a Cisco-proprietary Layer 2 protocol that enables devices to monitor the physical status of links and detect unidirectional failures.
B. UDLD is a Cisco-proprietary Layer 2 protocol that enables devices to advertise their identity, capabilities, and neighbors on a local area network.
C. UDLD is a standardized Layer 2 protocol that enables devices to monitor the physical status of links and detect unidirectional failures.
D. UDLD is a standardized Layer 2 protocol that enables devices to advertise their identity, capabilities, and neighbors on a local area network.
Correct Answer: A
Explanation
Explanation/Reference:
Explanation:
The Cisco-proprietary UDLD protocol monitors the physical configuration of the links between devices and ports that support UDLD. UDLD detects the existence
of unidirectional links. When a unidirectional link is detected, UDLD puts the affected port into the errdisabled state and alerts the user.
Reference:
Which statement about the UDLD protocol is true?
A. UDLD is a Cisco-proprietary Layer 2 protocol that enables devices to monitor the physical status of links and detect unidirectional failures.
B. UDLD is a Cisco-proprietary Layer 2 protocol that enables devices to advertise their identity, capabilities, and neighbors on a local area network.
C. UDLD is a standardized Layer 2 protocol that enables devices to monitor the physical status of links and detect unidirectional failures.
D. UDLD is a standardized Layer 2 protocol that enables devices to advertise their identity, capabilities, and neighbors on a local area network.
Correct Answer: A
Explanation
Explanation/Reference:
Explanation:
The Cisco-proprietary UDLD protocol monitors the physical configuration of the links between devices and ports that support UDLD. UDLD detects the existence
of unidirectional links. When a unidirectional link is detected, UDLD puts the affected port into the errdisabled state and alerts the user.
Reference:
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