CCNP Switch 2

Pregunta 1 de 50

1

A network engineer is trying to deploy a PC on a network. The engineer observes that when the PC is connected to the network that it takes 30 to 60 seconds for the PC to see any activity on the network interface card. Which layer 2 enhancement can be used to eliminate this delay?

Selecciona una de las siguientes respuestas posibles:

Configure port duplex and speed to auto negotiation
Configure port to duplex full and speed 1000
Configure spanning-tree portfast
Configure no switchport

Explicación

Pregunta 2 de 50

1

While working in the core network building, a technician accidently bumps the fiber connection between two core switches and damages one of the pairs of fiber. As designed, the link was placed into a non-forwarding state due to a fault with UDLD. After the damaged cable was replaced the link did not recover. What solution allows the network to recover from such an issue?

Selecciona una de las siguientes respuestas posibles:

command aliases
macros
Bidirectional Forwarding Detection
errdisable autorecover
IP Event Dampening

Explicación

Pregunta 3 de 50

1

What is the value of the TPID/tag protocol identifier in dot1q?

Selecciona una de las siguientes respuestas posibles:

0x888E
0x8100
0x0806
0x0800

Explicación

Pregunta 4 de 50

1

A network engineer wants to use UDLD, what does he need to consider? Uni-Directional Link Detection

Selecciona una de las siguientes respuestas posibles:

UDLD can aggressively disable the port after eight failed retries
UDLD is layer 1
UDLD is working with non Cisco devices
UDLD is a non-propriety technology

Explicación

Pregunta 5 de 50

1

What is the process to configure EtherChannel?

Selecciona una de las siguientes respuestas posibles:

Shutdown the interface on one side only
Configure all ports up to 8 with no shut command
Shutdown all ports
Shutdown is necessary if the ports are in err-disable

Explicación

Pregunta 6 de 50

1

A network engineer is extending a LAN segment between two geographically separated data centers. Which enhancement to a spanning-tree design prevents unnecessary traffic from crossing the extended VLAN segment?

Selecciona una de las siguientes respuestas posibles:

Use VTP pruning on the trunk interfaces
Configure manual trunk pruning between the two locations
Modify the spanning-tree priorities to dictate the traffic flow
Create a Layer 3 transit VLAN to segment the traffic between the sites

Explicación

Pregunta 7 de 50

1

Which four LACP components are used to determine which hot-standby links become active after an interface failure within an EtherChannel bundle? Choose 4

Selecciona una o más de las siguientes respuestas posibles:

Interface bandwidth
LACP system priority
System ID
Hot-Standby link ID number
Interface MAC address
LACP port priority
Port Number

Explicación

Pregunta 8 de 50

1

A network administrator configures 10 extended VLANs ranging from VLAN 3051 to 3060 in an enterprise network. Which version of VTP supports these extended VLANs?

Selecciona una de las siguientes respuestas posibles:

Version 2
Version 1
Version 3
VTP does not recognize extended VLANs

Explicación

Pregunta 9 de 50

1

If Storm Control is enabled on a port and the traffic reaches the configured level which two actions can be configured to occur? Choose 2

Selecciona una o más de las siguientes respuestas posibles:

Trap
Log
Shut down
Notify Admin
Redirect traffic

Explicación

Pregunta 10 de 50

1

Which statement is true about dynamic access port?

Selecciona una de las siguientes respuestas posibles:

None until the port VLAN is determined
Per default the port has to participate in a VLAN election to determine which VLAN a port is assigned to
All VLANs are permitted in a dynamic access port link
VLAN 1 is the default VLAN

Explicación

Pregunta 11 de 50

1

Which option describes the limitations of LLDP?

Selecciona una de las siguientes respuestas posibles:

LLDP does not support TLVs
LLDP can discover up to two devices per port
LLDP cannot provide information about VTP
LLDP can discover only windows server

Explicación

Pregunta 12 de 50

1

Which database in used to determine the validity of an ARP packet based on a valid IP-to-MAC address binding?

Selecciona una de las siguientes respuestas posibles:

DHCP snooping database
Dynamic routing database
Static ARP database
Dynamic ARP database

Explicación

Pregunta 13 de 50

1

Your customer has asked you to come in and verify the operation of routers R1 and R2 which are configured to use HSRP. They have questions about how these two devices will perform in the event of a device failure. What percentage of outgoing traffic from 172.16.10.0/24 subnet is being forwarded through R1?

Selecciona una de las siguientes respuestas posibles:

R1-50%, R2-50%
R2-100%
R1-100%
R1-0%

Explicación

Pregunta 14 de 50

1

Which information does the subordinate switch in a stack keep for all the VLANs that are configured on it?

Selecciona una de las siguientes respuestas posibles:

Routing information
DHCP snooping database
Spanning-trees
VLAN database

Explicación

Pregunta 15 de 50

1

What does the following configuration tell us?
switch#show standby
virtual-ip address is 192.168.1.1
Hello time 3 sec, hold time 10 sec
Preemption disabled
Active router is 192.168.1.2 priority 85
Standby router is local
Priority 90
Track interface f1/0 state decrement 10

Selecciona una o más de las siguientes respuestas posibles:

192.168.1.2 is active because it has a higher IP address
The standby will take over when it has a higher priority
When f1/0 is down priority with be 80
It is using the default Hello and hold values

Explicación

Pregunta 16 de 50

1

Which option shows the expected result if a show vlan command is issued?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 17 de 50

1

What is the default value for the err-disable recovery interval in a Cisco switch?

Selecciona una de las siguientes respuestas posibles:

600 seconds
30 seconds
100 seconds
300 seconds

Explicación

Pregunta 18 de 50

1

What is the command to enable EtherChannel STP misconfig

Selecciona una de las siguientes respuestas posibles:

(config)#spanning-tree etherchannel guard misconfig
(config-if)#spanning-tree etherchannel guard misconfig
(config-if)#spanning-tree etherchannel misconfig guard
(config)#spanning-tree etherchannel misconfig guard

Explicación

Pregunta 19 de 50

1

A network engineer tries to configure storm control on an EtherChannel bundle. What is the result of the configuration?

Selecciona una de las siguientes respuestas posibles:

The storm control settings will appear on the EtherChannel but not on the associated physical ports.
The configuration will be rejected because storm control is not supported for EtherChannel.
The storm control configuration will be accepted but will only be present of the physical interface.
The settings will be applied to the EtherChannel bundle and all associated physical interfaces.

Explicación

Pregunta 20 de 50

1

For security reasons that IT Manager has prohibited users from dynamically establishing trunks with their associated upstream switch. Which two actions can prevent interface trunking? Choose 2

Selecciona una o más de las siguientes respuestas posibles:

Apply BPDU guard and BPDU filter
Enable switchport block on access ports
Configure trunk and access interfaces manually
Disable DTP on a per interface basis.

Explicación

Pregunta 21 de 50

1

When a network administrator is attempting an SSH connection to the device, in which order does the device check the login credentials?

Selecciona una de las siguientes respuestas posibles:

Line password, local username, RADIUS server
Line password, RADIUS server, local username
RADIUS server, local username, Line password
RADIUS server, line password, local username

Explicación

Pregunta 22 de 50

1

Which statement describes what happens when a port configured with root guard receives a superior BPDU?

Selecciona una de las siguientes respuestas posibles:

The port goes into errdisabled state and stops forwarding traffic
The port goes into BPDU-inconsistent state and stops forwarding traffic
The port goes into loop-inconsistent state and stops forwarding traffic
The port goes into root-inconsistent state and stops forwarding traffic

Explicación

Pregunta 23 de 50

1

Which two statements are true about recommended practices that are to be used in a local VLAN solution design where layer 2 traffic is to be kept to a minimum? Choose 2

Selecciona una o más de las siguientes respuestas posibles:

VLANs should be local to a switch
VLANs should be localized to a single switch unless voice VLANs are being utilized
Routing should occur at the access layer if voice VLANs are utilized. Otherwise, routing should occur at the distribution layer.
Routing should not be performed between VLANs located on seperate switches
Routing may be performed at all layers but is most commonly done at the core and the distribution layers.

Explicación

Pregunta 24 de 50

1

What statement is true if a new switch with a lower bridge ID is introduced in a network with root guard enhancement?

Selecciona una de las siguientes respuestas posibles:

Prevent unknown switch be a root port
Allow two root bridges in a network
All ports of the new switch are changed to listening state
Root Guard puts the port into root-inconsistent state

Explicación

Pregunta 25 de 50

1

What is the result of the SPAN configuration on a Cisco switch? Choose 1

Selecciona una o más de las siguientes respuestas posibles:

Configure a SPAN session to monitor received traffic on interface g0/4 for all VLANs except VLAN 3.
Configure a SPAN session to monitor the received traffic on interface g0/4 only for VLAN .
Configure a SPAN session to monitor the received traffic on interface g0/5 only for VLAN 3.
Configure a SPAN session to monitor the received traffic on interface g0/5 for all VLANs except VLAN 3.

Explicación

Pregunta 26 de 50

1

What is the priority value or the VLAN 105 HSRP group DSW2?

Selecciona una de las siguientes respuestas posibles:

150
100
50
200

Explicación

Pregunta 27 de 50

1

An enterprise network has port security sticky enabled on all access ports. A network administrator moves a PC from one office deck to another. After the PC is moved, the network administrator clears port security on the new network switch port securing the PC but the port keeps going back into err-disable mode. Which two factors are possible causes of the issue?

Selecciona una o más de las siguientes respuestas posibles:

Port security must be disabled on all access ports
Port security sticky is still enabled on the older network switch ports
Port security is still enabled on the older network
Port security sticky exists on the new network switch port
Port security sticky is disabled on the new network switch port

Explicación

Pregunta 28 de 50

1

Which information does CDP supply from connected devices? Choose 3

Selecciona una o más de las siguientes respuestas posibles:

Interface ID
Config Register
Hardware Platform
Not Available
Hostname

Explicación

Pregunta 29 de 50

1

During routine maintenance it became necessary to shut down the ge1/0/1 interface on DSW1 and DSW2. All other interfaces were up. During this time, DSW1 became the active router for the VLAN 104 HSRP group. As related to the VLAN 104 HARP group, what can be done to make the group function properly.

Selecciona una de las siguientes respuestas posibles:

On DSW1 disable preempt
On DSW1 increase the decrement value in the track command to a value greater than 6.
On DSW1, decrease the decrement value in the track command to a value less than 1.
On DSW2 decrease the priority value to a value less than 150.

Explicación

Pregunta 30 de 50

1

What command does an network engineer use to verify the spanning-tree status on VLAN 10?

Selecciona una de las siguientes respuestas posibles:

switch# show spanning-tree summary
switch# show spanning-tree bridge
switch# show spanning-tree brief
switch# show spanning-tree vlan 10
show spanning-tree vlan 10 brief

Explicación

Pregunta 31 de 50

1

If HSRP group number is 37, what would the MAC address be?

Selecciona una de las siguientes respuestas posibles:

000-C007-AC37
000-0C07-AC37
000-C007-AC25
000-0C07-AC25

Explicación

Pregunta 32 de 50

1

What statement about SPAN and RSPAN configuration on SW1 is true?

Selecciona una de las siguientes respuestas posibles:

SPAN session 2 monitors all traffic entering and exiting port fa0/15
SPAN session 2 only monitors egress traffic exiting port fa0/14
RSPAN session 1 monitors activity on VLAN 50 of a remote switch
RSPAN session 1 is incompletely configured for monitoring

Explicación

Pregunta 33 de 50

1

You are adding new VLAN500 and VLAN600 to the topology in such a way that you need to configure SW1 as primary root for VLAN500 and secondary for VLAN600 and SW2 as root primary for VLAN600 and secondary for VLAN500. Which configuration step is valid?

Selecciona una de las siguientes respuestas posibles:

Configure VLAN500 and VLAN600 on SW1, SW2 and SW4
Configure VLAN500 and VLAN600 on SW2 only
On SW2 configure VTP mode as off and configure VLAN500 and VLAN600
Configure VLAN500 and VLAN600 on both SW1 and SW2
Configure VLAN 500 and VLAN600 on SW1 only

Explicación

Pregunta 34 de 50

1

What happens on a Cisco switch when an RSTP configured switch receives 802.1d BPDU?

Selecciona una de las siguientes respuestas posibles:

802.1d does not understand RSTP BPDUs because they are different versions, but when an RSTP switch receives an 802.1d BPDU, it responds with an 802.1d BPDU and eventually the two switches run 820.1d to communicate
802.1d understands RSTP BPDUs because they are the same version, but when a RSTP switch receives a 802.1d BPDU, it responds with a 802.1d BPDU and eventually the two switches run 802.1d to communicate.
802.1d does not understand RSTP BPDUs because they are different versions, but when a RSTP switch receives a 802.1d BPDU, it does not respond with a 802.1d BPDU.
802.1d understands RSTP BPDUs because they are the same version, but when a RSTP switch receives a 802.1d BPDU, it does not respond with a 802.1d BPDU and eventually the two switches run 802.1d to communicate.

Explicación

Pregunta 35 de 50

1

MAC address filter

Selecciona una de las siguientes respuestas posibles:

router
unicast
multicast
CPU-destined

Explicación

Pregunta 36 de 50

1

DHCP snooping and IP Source Guard have been configured on a switch that connects to several clients workstations. The IP address of one of the workstations does not match any entries found in the DHCP binding database. Which statement describes the outcome of this scenario?

Selecciona una de las siguientes respuestas posibles:

Packets from the workstation will be rate limited according to the default values set on the switch.
The packets originating from the workstation are assumed to be spoofed and will be discarded.
Traffic will pass accordingly after the new IP address is populated into the binding database.
The interface that is connected to the workstation is question will be put into the err-disable state.

Explicación

Pregunta 37 de 50

1

A new network that consists of several switches has been connected together via trunking interfaces. If all the switches currently have the default VTP domain name "null", which statement describes what happens what a domain name is configured on one of the switches?

Selecciona una de las siguientes respuestas posibles:

The switch with the non-default domain name restores back to "null" upon reboot.
Switches with higher revision numbers does not accept the new domain name
All other switches with the default domain name become VTP clients
VTP summary advertisements are sent out of all ports with the new domain name.

Explicación

Pregunta 38 de 50

1

Which statement about Cisco devices learning about each other through CDP is true?

Selecciona una de las siguientes respuestas posibles:

Each device sends periodic advertisements to a central device that builds the network topology
Each device sends periodic advertisements to multicast address 01:00:0C:CC:CC:CC
Each device sends periodic advertisements to all IP addresses in its ARP table.
Each device broadcasts periodic advertisements to all of its neighbors.

Explicación

Pregunta 39 de 50

1

When you configure private VLANs on a switch which port type connects the switch to the gateway router?

Selecciona una de las siguientes respuestas posibles:

promiscuous
community
isolated
trunked

Explicación

Pregunta 40 de 50

1

Which EtherChannel negotiation protocol is configured on the interface f0/13 - f0/15

Selecciona una de las siguientes respuestas posibles:

Link Combination Control Protocol
Port Aggregation Protocol
Port Combination Protocol
Link Aggregation Control Protocol

Explicación

Pregunta 41 de 50

1

To provide security a service provider configured various private VLANs in its backbone network infrastructure to prevent certain VLAN communicating to each other. Which version of VTP supports the use of private VLANs?

Selecciona una de las siguientes respuestas posibles:

Version 1
Version 2
Version 3
VTP does not support private VLANs

Explicación

Pregunta 42 de 50

1

All ports are members of VLAN 10. Considering the default cost of upstream bridges to the root bridge is equal, which option will be the new root port for VLAN 10?

Selecciona una de las siguientes respuestas posibles:

Interface f0/13
Interface f0/14
Interface f0/15
Interface f0/21

Explicación

Pregunta 43 de 50

1

What action should a network admin take to enable VTP pruning on an entire management domain?

Selecciona una de las siguientes respuestas posibles:

Enable VTP pruning on any switch in the management domain
Enable VTP pruning on any client switch in the domain
Enable VTP pruning on a VTP server in the management domain
Enable VTP pruning on every switch in the domain
None of the other alternatives apply

Explicación

Pregunta 44 de 50

1

Which HSRP extension allows groups to share traffic loads?

Selecciona una de las siguientes respuestas posibles:

CHSRP
CGMP
MHSRP
FHRP
GLBP

Explicación

Pregunta 45 de 50

1

What is the default value for spanning-tree port-priority?

Selecciona una de las siguientes respuestas posibles:

128
64
1024
32

Explicación

Pregunta 46 de 50

1

A network engineer has just deployed a non-Cisco device in the network and wants to get information about it from a connected device. CDP is not supported , so the standard protocol must be configured. Which protocol does the network engineer configure on both devices to accomplish this?

Selecciona una de las siguientes respuestas posibles:

LLDP
LLTD
NDP
IRDP

Explicación

Pregunta 47 de 50

1

What is the size of the VLAN field inside an 820.1q frame?

Selecciona una de las siguientes respuestas posibles:

8 bit
16 bit
32 bit
12 bit

Explicación

Pregunta 48 de 50

1

After implementing VTP, the extended VLANs are not being propagated to other VTP switches. What should be configured for extended VLANs?

Selecciona una de las siguientes respuestas posibles:

Enable VTP version 3 which supports extended VLAN propagation
VTP authentication is required when using extended VLANs because of their ability to cause network instability
VTP does not support extended VLANs and should be manually added to all switches
Ensure that all switches run the same Cisco IOS version. Exteneded VLANs will not propagate to different IOS versions when extended VLANs are in use.

	Creado por Tyson Mckay hace más de 6 años

50 Questions

CCNP Switch 2

Pregunta 1 de 50

A network engineer is trying to deploy a PC on a network. The engineer observes that when the PC is connected to the network that it takes 30 to 60 seconds for the PC to see any activity on the network interface card. Which layer 2 enhancement can be used to eliminate this delay?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 2 de 50

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 3 de 50

What is the value of the TPID/tag protocol identifier in dot1q?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 4 de 50

A network engineer wants to use UDLD, what does he need to consider? Uni-Directional Link Detection

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 5 de 50

What is the process to configure EtherChannel?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 6 de 50

A network engineer is extending a LAN segment between two geographically separated data centers. Which enhancement to a spanning-tree design prevents unnecessary traffic from crossing the extended VLAN segment?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 7 de 50

Which four LACP components are used to determine which hot-standby links become active after an interface failure within an EtherChannel bundle? Choose 4

Selecciona una o más de las siguientes respuestas posibles:

Explicación

Pregunta 8 de 50

A network administrator configures 10 extended VLANs ranging from VLAN 3051 to 3060 in an enterprise network. Which version of VTP supports these extended VLANs?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 9 de 50

If Storm Control is enabled on a port and the traffic reaches the configured level which two actions can be configured to occur? Choose 2

Selecciona una o más de las siguientes respuestas posibles:

Explicación

Pregunta 10 de 50

Which statement is true about dynamic access port?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 11 de 50

Which option describes the limitations of LLDP?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 12 de 50

Which database in used to determine the validity of an ARP packet based on a valid IP-to-MAC address binding?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 13 de 50

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 14 de 50

Which information does the subordinate switch in a stack keep for all the VLANs that are configured on it?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 15 de 50

What does the following configuration tell us? switch#show standby virtual-ip address is 192.168.1.1 Hello time 3 sec, hold time 10 sec Preemption disabled Active router is 192.168.1.2 priority 85 Standby router is local Priority 90 Track interface f1/0 state decrement 10

Selecciona una o más de las siguientes respuestas posibles:

Explicación

Pregunta 16 de 50

Which option shows the expected result if a show vlan command is issued?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 17 de 50

What is the default value for the err-disable recovery interval in a Cisco switch?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 18 de 50

What is the command to enable EtherChannel STP misconfig

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 19 de 50

A network engineer tries to configure storm control on an EtherChannel bundle. What is the result of the configuration?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 20 de 50

For security reasons that IT Manager has prohibited users from dynamically establishing trunks with their associated upstream switch. Which two actions can prevent interface trunking? Choose 2

Selecciona una o más de las siguientes respuestas posibles:

Explicación

What does the following configuration tell us?
switch#show standby
virtual-ip address is 192.168.1.1
Hello time 3 sec, hold time 10 sec
Preemption disabled
Active router is 192.168.1.2 priority 85
Standby router is local
Priority 90
Track interface f1/0 state decrement 10