CCNA II

Pregunta 1 de 48

1

Refer to the exhibit. Which highlighted value represents a specific destination network in the routing table?

Selecciona una de las siguientes respuestas posibles:

0.0.0.0
172.16.100.64
172.16.100.2
110
791

Explicación

Pregunta 2 de 48

1

Which type of static route is configured with a greater administrative distance to provide a backup route to a route learned from a dynamic routing protocol?

Selecciona una de las siguientes respuestas posibles:

standard static route
floating static route
default static route
summary static route

Explicación

Pregunta 3 de 48

1

Refer to the exhibit. Which route was configured as a static route to a specific network using the next-hop address?

Selecciona una de las siguientes respuestas posibles:

C 172.16.2.0/24 is directly connected, Serial0/0/0
S 192.168.2.0/24 [1/0] via 172.16.2.2
S 192.168.2.0/24 is directly connected, Serial 0/0/0
S 0.0.0.0/0 [1/0] via 172.16.2.2

Explicación

Pregunta 4 de 48

1

What network prefix and prefix-length combination is used to create a default static route that will match any IPv6 destination?

Selecciona una de las siguientes respuestas posibles:

::/128
::/0
::1/64
FFFF::/128

Explicación

Pregunta 5 de 48

1

A router has used the OSPF protocol to learn a route to the 172.16.32.0/19 network. Which command will implement a backup floating static route to this network?

Selecciona una de las siguientes respuestas posibles:

ip route 172.16.0.0 255.255.240.0 S0/0/0 200
ip route 172.16.32.0 255.255.224.0 S0/0/0 200
ip route 172.16.0.0 255.255.224.0 S0/0/0 100
ip route 172.16.32.0 255.255.0.0 S0/0/0 100

Explicación

Pregunta 6 de 48

1

Refer to the exhibit. Currently router R1 uses an EIGRP route learned from Branch2 to reach the 10.10.0.0/16 network. Which floating static route would create a backup route to the 10.10.0.0/16 network in the event that the link between R1 and Branch2 goes down?

Selecciona una de las siguientes respuestas posibles:

ip route 10.10.0.0 255.255.0.0 Serial 0/0/0 100
ip route 10.10.0.0 255.255.0.0 209.165.200.226 100
ip route 10.10.0.0 255.255.0.0 209.165.200.225 100
ip route 10.10.0.0 255.255.0.0 209.165.200.225 50

Explicación

Pregunta 7 de 48

1

Which statement describes a route that has been learned dynamically?

Selecciona una de las siguientes respuestas posibles:

It is automatically updated and maintained by routing protocols.
It is unaffected by changes in the topology of the network.
It has an administrative distance of 1.
It is identified by the prefix C in the routing table.

Explicación

Pregunta 8 de 48

1

Compared with dynamic routes, what are two advantages of using static routes on a router? (Choose two.)

Selecciona una o más de las siguientes respuestas posibles:

They improve network security.
They use fewer router resources.
They improve the efficiency of discovering neighboring networks.
They take less time to converge when the network topology changes.
They automatically switch the path to the destination network when the topology changes.

Explicación

Pregunta 9 de 48

1

A network administrator adds the default-information originate command to the configuration of a router that uses RIP as the routing protocol. What will result from adding this command?

Selecciona una de las siguientes respuestas posibles:

The router will be reset to the default factory information.
The router will not forward routing information that is learned from other routers.
The router will propagate a static default route in its RIP updates, if one is present.
The router will only forward packets that originate on directly connected networks.

Explicación

Pregunta 10 de 48

1

Refer to the exhibit. What is the administrative distance value that indicates the route for R2 to reach the 10.10.0.0/16 network?

Selecciona una de las siguientes respuestas posibles:

1
0
90
20512256

Explicación

Pregunta 11 de 48

1

A network administrator reviews the routing table on the router and sees a route to the destination network 172.16.64.0/18 with a next-hop IP address of 192.168.1.1. What are two descriptions of this route? (Choose two.)

Selecciona una o más de las siguientes respuestas posibles:

default route
supernet route
ultimate route
parent route
level 2 child route

Explicación

Pregunta 12 de 48

1

Which two factors are important when deciding which interior gateway routing protocol to use? (Choose two.)

Selecciona una o más de las siguientes respuestas posibles:

scalability
ISP selection
speed of convergence
the autonomous system that is used
campus backbone architecture

Explicación

Pregunta 13 de 48

1

Employees of a company connect their wireless laptop computers to the enterprise LAN via wireless access points that are cabled to the Ethernet ports of switches. At which layer of the three-layer hierarchical network design model do these switches operate?

Selecciona una de las siguientes respuestas posibles:

distribution
data link
physical
access
core

Explicación

Pregunta 14 de 48

1

What is a characteristic of the distribution layer in the three layer hierarchical model?

Selecciona una de las siguientes respuestas posibles:

acts as the backbone for the network, aggregating and distributing network traffic throughout the campus
provides access to the rest of the network through switching, routing, and network access policies
distributes access to end users
represents the network edge

Explicación

Pregunta 15 de 48

1

Which information does a switch use to populate the MAC address table?

Selecciona una de las siguientes respuestas posibles:

the destination MAC address and the incoming port
the destination MAC address and the outgoing port
the source and destination MAC addresses and the incoming port
the source and destination MAC addresses and the outgoing port
the source MAC address and the incoming port
the source MAC address and the outgoing port

Explicación

Pregunta 16 de 48

1

Which statement is correct about Ethernet switch frame forwarding decisions?

Selecciona una de las siguientes respuestas posibles:

Frame forwarding decisions are based on MAC address and port mappings in the CAM table.
Cut-through frame forwarding ensures that invalid frames are always dropped.
Only frames with a broadcast destination address are forwarded out all active switch ports.
Unicast frames are always forwarded regardless of the destination MAC address.

Explicación

Pregunta 17 de 48

1

Which switching method drops frames that fail the FCS check?

Selecciona una de las siguientes respuestas posibles:

borderless switching
cut-through switching
ingress port buffering
store-and-forward switching

Explicación

Pregunta 18 de 48

1

In what situation would a Layer 2 switch have an IP address configured?

Selecciona una de las siguientes respuestas posibles:

when the Layer 2 switch needs to forward user traffic to another device
when the Layer 2 switch is the default gateway of user traffic
when the Layer 2 switch needs to be remotely managed
when the Layer 2 switch is using a routed port

Explicación

Pregunta 19 de 48

1

A network administrator is configuring a new Cisco switch for remote management access. Which three items must be configured on the switch for the task? (Choose three.)

Selecciona una o más de las siguientes respuestas posibles:

IP address
VTP domain
vty lines
default VLAN
default gateway
loopback address

Explicación

Pregunta 20 de 48

1

A network technician has been asked to secure all switches in the campus network. The security requirements are for each switch to automatically learn and add MAC addresses to both the address table and the running configuration. Which port security configuration will meet these requirements?

Selecciona una de las siguientes respuestas posibles:

auto secure MAC addresses
dynamic secure MAC addresses
static secure MAC addresses
sticky secure MAC addresses

Explicación

Pregunta 21 de 48

1

A network administrator is configuring port security on a Cisco switch. When a violation occurs, which violation mode that is configured on an interface will cause packets with an unknown source address to be dropped with no notification sent?

Selecciona una de las siguientes respuestas posibles:

off
restrict
protect
shutdown

Explicación

Pregunta 22 de 48

1

Two employees in the Sales department work different shifts with their laptop computers and share the same Ethernet port in the office. Which set of commands would allow only these two laptops to use the Ethernet port and create violation log entry without shutting down the port if a violation occurs?

Selecciona una de las siguientes respuestas posibles:

switchport mode access
switchport port-security
switchport mode access
switchport port-security
switchport port-security maximum 2
switchport port-security mac-address sticky
switchport port-security violation restrict
switchport mode access
switchport port-security maximum 2
switchport port-security mac-address sticky
switchport mode access
switchport port-security maximum 2
switchport port-security mac-address sticky
switchport port-security violation protect

Explicación

Pregunta 23 de 48

1

Refer to the exhibit. What protocol should be configured on SW-A Port 0/1 if it is to send traffic from multiple VLANs to switch SW-B?

Selecciona una de las siguientes respuestas posibles:

Spanning Tree
RIP v2
IEEE 802.1Q
ARP
Rapid Spanning Tree

Explicación

Pregunta 24 de 48

1

A Cisco Catalyst switch has been added to support the use of multiple VLANs as part of an enterprise network. The network technician finds it necessary to clear all VLAN information from the switch in order to incorporate a new network design. What should the technician do to accomplish this task?

Selecciona una de las siguientes respuestas posibles:

Erase the startup configuration and reboot the switch.
Erase the running configuration and reboot the switch.
Delete the startup configuration and the vlan.dat file in the flash memory of the switch and reboot the switch.
Delete the IP address that is assigned to the management VLAN and reboot the switch.

Explicación

Pregunta 25 de 48

1

What VLANs are allowed across a trunk when the range of allowed VLANs is set to the default value?

Selecciona una de las siguientes respuestas posibles:

All VLANs will be allowed across the trunk.
Only VLAN 1 will be allowed across the trunk.
Only the native VLAN will be allowed across the trunk.
The switches will negotiate via VTP which VLANs to allow across the trunk.

Explicación

Pregunta 26 de 48

1

Refer to the exhibit. A network administrator is configuring inter-VLAN routing on a network. For now, only one VLAN is being used, but more will be added soon. What is the missing parameter that is shown as the highlighted question mark in the graphic?

Selecciona una de las siguientes respuestas posibles:

It identifies the subinterface.
It identifies the VLAN number.
It identifies the native VLAN number.
It identifies the type of encapsulation that is used.
It identifies the number of hosts that are allowed on the interface.

Explicación

Pregunta 27 de 48

1

A network administrator is designing an ACL. The networks 192.168.1.0/25, 192.168.0.0/25, 192.168.0.128/25, 192.168.1.128/26, and 192.168.1.192/26 are affected by the ACL. Which wildcard mask, if any, is the most efficient to use when specifying all of these networks in a single ACL permit entry?

Selecciona una de las siguientes respuestas posibles:

0.0.0.127
0.0.0.255
0.0.1.255
0.0.255.255
A single ACL command and wildcard mask should not be used to specify these particular networks or other traffic will be permitted or denied and present a security risk.

Explicación

Pregunta 28 de 48

1

The computers used by the network administrators for a school are on the 10.7.0.0/27 network. Which two commands are needed at a minimum to apply an ACL that will ensure that only devices that are used by the network administrators will be allowed Telnet access to the routers? (Choose two.)

Selecciona una o más de las siguientes respuestas posibles:

access-class 5 in
access-list 5 deny any
access-list standard VTY
permit 10.7.0.0 0.0.0.127
access-list 5 permit 10.7.0.0 0.0.0.31
ip access-group 5 out
ip access-group 5 in

Explicación

Pregunta 29 de 48

1

A network engineer has created a standard ACL to control SSH access to a router. Which command will apply the ACL to the VTY lines?

Selecciona una de las siguientes respuestas posibles:

access-group 11 in
access-class 11 in
access-list 11 in
access-list 110 in

Explicación

Pregunta 30 de 48

1

What is the reason why the DHCPREQUEST message is sent as a broadcast during the DHCPv4 process?

Selecciona una de las siguientes respuestas posibles:

to notify other DHCP servers on the subnet that the IP address was leased
to notify other hosts not to request the same IP address
for hosts on other subnets to receive the information
for routers to fill their routing tables with this new information

Explicación

Pregunta 31 de 48

1

Which set of commands will configure a router as a DHCP server that will assign IPv4 addresses to the 192.168.100.0/23 LAN while reserving the first 10 and the last addresses for static assignment?

Selecciona una de las siguientes respuestas posibles:

ip dhcp excluded-address 192.168.100.1 192.168.100.10
ip dhcp excluded-address 192.168.100.254
ip dhcp pool LAN-POOL-100
network 192.168.100.0 255.255.255.0
ip default-gateway 192.168.100.1
ip dhcp excluded-address 192.168.100.1 192.168.100.10
ip dhcp excluded-address 192.168.101.254
ip dhcp pool LAN-POOL-100
network 192.168.100.0 255.255.254.0
default-router 192.168.100.1
dhcp pool LAN-POOL-100
ip dhcp excluded-address 192.168.100.1 192.168.100.9
ip dhcp excluded-address 192.168.100.254
network 192.168.100.0 255.255.254.0
default-router 192.168.101.1
ip dhcp excluded-address 192.168.100.1 192.168.100.9
ip dhcp excluded-address 192.168.101.254
ip dhcp pool LAN-POOL-100
ip network 192.168.100.0 255.255.254.0
ip default-gateway 192.168.100.1

Explicación

Pregunta 32 de 48

1

Which command, when issued in the interface configuration mode of a router, enables the interface to acquire an IPv4 address automatically from an ISP, when that link to the ISP is enabled?

Selecciona una de las siguientes respuestas posibles:

ip dhcp pool
ip address dhcp
service dhcp
ip helper-address

Explicación

Pregunta 33 de 48

1

Refer to the exhibit. A network administrator is configuring a router as a DHCPv6 server. The administrator issues a show ipv6 dhcp pool command to verify the configuration. Which statement explains the reason that the number of active clients is 0?

Selecciona una de las siguientes respuestas posibles:

ipv6 unicast-routing
dns-server 2001:DB8:8::8
ipv6 dhcp server LAN1
ipv6 nd other-config-flag
prefix-delegation 2001:DB8:8::/48 00030001000E84244E70

Explicación

Pregunta 34 de 48

1

Refer to the exhibit. NAT is configured on Remote and Main. The PC is sending a request to the web server. What IPv4 address is the source IP address in the packet between Main and the web server?

Selecciona una de las siguientes respuestas posibles:

10.130.5.76
209.165.200.245
203.0.113.5
172.16.1.10
192.0.2.1
209.165.200.226

Explicación

Pregunta 35 de 48

1

Refer to the exhibit. Which two statements are correct based on the output as shown in the exhibit? (Choose two.)

Selecciona una o más de las siguientes respuestas posibles:

The output is the result of the show ip nat translations command.
The host with the address 209.165.200.235 will respond to requests by using a source address of 192.168.10.10.
The host with the address 209.165.200.235 will respond to requests by using a source address of 209.165.200.235.
Traffic with the destination address of a public web server will be sourced from the IP of 192.168.1.10.
The output is the result of the show ip nat statistics command.

Explicación

Pregunta 36 de 48

1

Refer to the exhibit. A network administrator has configured R2 for PAT. Why is the configuration incorrect?

Selecciona una de las siguientes respuestas posibles:

The static NAT entry is missing.
NAT-POOL2 is bound to the wrong ACL.
The ACL does not define the list of addresses to be translated.
The overload keyword should not have been applied.

Explicación

Pregunta 37 de 48

1

A college marketing department has a networked storage device that uses the IP address 10.18.7.5, TCP port 443 for encryption, and UDP port 4365 for video streaming. The college already uses PAT on the router that connects to the Internet. The router interface has the public IP address of 209.165.200.225/30. The IP NAT pool currently uses the IP addresses ranging from 209.165.200.228-236. Which configuration would the network administrator add to allow this device to be accessed by the marketing personnel from home?

Selecciona una de las siguientes respuestas posibles:

ip nat pool mktv 10.18.7.5 10.18.7.5
ip nat outside source static 10.18.7.5 209.165.200.225
ip nat inside source static tcp 10.18.7.5 443 209.165.200.225 443
ip nat inside source static udp 10.18.7.5 4365 209.165.200.225 4365
ip nat inside source static tcp 209.165.200.225 443 10.18.7.5 443
ip nat inside source static udp 209.165.200.225 4365 10.18.7.5 4365
No additional configuration is necessary

Explicación

Pregunta 38 de 48

1

Refer to the exhibit. Based on the output that is shown, what type of NAT has been implemented?

Selecciona una de las siguientes respuestas posibles:

dynamic NAT with a pool of two public IP addresses
PAT using an external interface
static NAT with one entry
static NAT with a NAT pool

Explicación

Pregunta 39 de 48

1

Refer to the exhibit. An administrator is trying to configure PAT on R1, but PC-A is unable to access the Internet. The administrator tries to ping a server on the Internet from PC-A and collects the debugs that are shown in the exhibit. Based on this output, what is most likely the cause of the problem?

Selecciona una de las siguientes respuestas posibles:

The address on Fa0/0 should be 64.100.0.1.
The NAT source access list matches the wrong address range.
The inside global address is not on the same subnet as the ISP.
The inside and outside NAT interfaces have been configured backwards.

Explicación

Pregunta 40 de 48

1

A network engineer is interested in obtaining specific information relevant to the operation of both distribution and access layer Cisco devices. Which command provides common information relevant to both types of devices?

Selecciona una de las siguientes respuestas posibles:

show ip protocols
show ip interface
show cdp neighbors
show port-security
show mac-address-table

Explicación

Pregunta 41 de 48

1

Which two statements are correct if a configured NTP master on a network cannot reach any clock with a lower stratum number? (Choose two.)

Selecciona una o más de las siguientes respuestas posibles:

The NTP master will claim to be synchronized at the configured stratum number.
The NTP master will be the clock with 1 as its stratum number.
An NTP server with a higher stratum number will become the master.
Other systems will be willing to synchronize to that master using NTP.
The NTP master will lower its stratum number.

Explicación

Pregunta 42 de 48

1

What are three functions provided by the syslog service? (Choose three.)

Selecciona una o más de las siguientes respuestas posibles:

to gather logging information for monitoring and troubleshooting
to select the type of logging information that is captured
to specify the destinations of captured messages
to periodically poll agents for data
to provide statistics on packets that are flowing through a Cisco device
to provide traffic analysis

Explicación

Pregunta 43 de 48

1

Refer to the exhibit. An administrator is examining the message in a syslog server. What can be determined from the message?

Selecciona una de las siguientes respuestas posibles:

This is a notification message for a normal but significant condition.
This is an alert message for which immediate action is needed.
This is an error message for which warning conditions exist.
This is an error message that indicates the system is unusable.

Explicación

Pregunta 44 de 48

1

When a customer purchases a Cisco IOS 15.0 software package, what serves as the receipt for that customer and is used to obtain the license as well?

Selecciona una de las siguientes respuestas posibles:

Software Claim Certificate
End User License Agreement
Unique Device Identifier
Product Activation Key

Explicación

Pregunta 45 de 48

1

Refer to the exhibit. The network administrator enters these commands into the R1 router:
R1# copy running-config tftp
Address or name of remote host [ ]?
When the router prompts for an address or remote host name, what IP address should the administrator enter at the prompt?

Selecciona una de las siguientes respuestas posibles:

192.168.9.254
192.168.10.1
192.168.10.2
192.168.11.252
192.168.11.254

Explicación

Pregunta 46 de 48

1

match

Selecciona una de las siguientes respuestas posibles:

0, flash, rom,ram, nvram
-

Explicación

Pregunta 47 de 48

1

match

Selecciona una de las siguientes respuestas posibles:

hierichal, modularity, resilency, 0, flexibility
0

Explicación

Pregunta 48 de 48

1

match

Selecciona una de las siguientes respuestas posibles:

data VLANs, default VLAN, native VLAN, managment VLAN, 0
0

	Creado por Sc Con hace más de 7 años

Routing & Switching

Pregunta 1 de 48

Refer to the exhibit. Which highlighted value represents a specific destination network in the routing table?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 2 de 48

Which type of static route is configured with a greater administrative distance to provide a backup route to a route learned from a dynamic routing protocol?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 3 de 48

Refer to the exhibit. Which route was configured as a static route to a specific network using the next-hop address?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 4 de 48

What network prefix and prefix-length combination is used to create a default static route that will match any IPv6 destination?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 5 de 48

A router has used the OSPF protocol to learn a route to the 172.16.32.0/19 network. Which command will implement a backup floating static route to this network?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 6 de 48

Refer to the exhibit. Currently router R1 uses an EIGRP route learned from Branch2 to reach the 10.10.0.0/16 network. Which floating static route would create a backup route to the 10.10.0.0/16 network in the event that the link between R1 and Branch2 goes down?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 7 de 48

Which statement describes a route that has been learned dynamically?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 8 de 48

Compared with dynamic routes, what are two advantages of using static routes on a router? (Choose two.)

Selecciona una o más de las siguientes respuestas posibles:

Explicación

Pregunta 9 de 48

A network administrator adds the default-information originate command to the configuration of a router that uses RIP as the routing protocol. What will result from adding this command?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 10 de 48

Refer to the exhibit. What is the administrative distance value that indicates the route for R2 to reach the 10.10.0.0/16 network?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 11 de 48

A network administrator reviews the routing table on the router and sees a route to the destination network 172.16.64.0/18 with a next-hop IP address of 192.168.1.1. What are two descriptions of this route? (Choose two.)

Selecciona una o más de las siguientes respuestas posibles:

Explicación

Pregunta 12 de 48

Which two factors are important when deciding which interior gateway routing protocol to use? (Choose two.)

Selecciona una o más de las siguientes respuestas posibles:

Explicación

Pregunta 13 de 48

Employees of a company connect their wireless laptop computers to the enterprise LAN via wireless access points that are cabled to the Ethernet ports of switches. At which layer of the three-layer hierarchical network design model do these switches operate?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 14 de 48

What is a characteristic of the distribution layer in the three layer hierarchical model?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 15 de 48

Which information does a switch use to populate the MAC address table?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 16 de 48

Which statement is correct about Ethernet switch frame forwarding decisions?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 17 de 48

Which switching method drops frames that fail the FCS check?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 18 de 48

In what situation would a Layer 2 switch have an IP address configured?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 19 de 48

A network administrator is configuring a new Cisco switch for remote management access. Which three items must be configured on the switch for the task? (Choose three.)

Selecciona una o más de las siguientes respuestas posibles:

Explicación

Pregunta 20 de 48

A network technician has been asked to secure all switches in the campus network. The security requirements are for each switch to automatically learn and add MAC addresses to both the address table and the running configuration. Which port security configuration will meet these requirements?