CCNA2 Final Exam

Questão 1 de 107

2

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?

Selecione uma das seguintes:

The default gateway address is not provided in the pool.
No clients have communicated with the DHCPv6 server yet.
The IPv6 DHCP pool configuration has no IPv6 address range specified.
The state is not maintained by the DHCPv6 server under stateless DHCPv6 operation

Explicação

Questão 2 de 107

2

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?

Selecione uma das seguintes:

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

Explicação

Questão 3 de 107

2

Which kind of message is sent by a DHCP client when its IP address lease has expired?

Selecione uma das seguintes:

a DHCPDISCOVER broadcast message
a DHCPREQUEST broadcast message
a DHCPREQUEST unicast message
a DHCPDISCOVER unicast message

Explicação

Questão 4 de 107

2

Refer to the exhibit. R1 has been configured as shown. However, PC1 is not able to receive an IPv4 address. What is the problem?

Selecione uma das seguintes:

A DHCP server must be installed on the same LAN as the host that is receiving the IP address.
R1 is not configured as a DHCPv4 server.
The ip address dhcp command was not issued on the interface Gi0/1.
The ip helper-address command was applied on the wrong interface.

Explicação

Questão 5 de 107

2

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?

Selecione uma das seguintes:

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.

Explicação

Questão 6 de 107

2

What is a disadvantage of NAT?

Selecione uma das seguintes:

There is no end-to-end addressing.
The router does not need to alter the checksum of the IPv4 packets.
The internal hosts have to use a single public IPv4 address for external communication.
The costs of readdressing hosts can be significant for a publicly addressed network.

Explicação

Questão 7 de 107

2

Which type of traffic would most likely have problems when passing through a NAT device?

Selecione uma das seguintes:

Telnet
IPsec
HTTP
ICMP
DNS

Explicação

Questão 8 de 107

2

What benefit does NAT64 provide?

Selecione uma das seguintes:

It allows sites to use private IPv6 addresses and translates them to global IPv6 addresses.
It allows sites to connect multiple IPv4 hosts to the Internet via the use of a single public IPv4 address.
It allows sites to connect IPv6 hosts to an IPv4 network by translating the IPv6 addresses to IPv4 addresses.
It allows sites to use private IPv4 addresses, and thus hides the internal addressing structure from hosts on public IPv4 networks.

Explicação

Questão 9 de 107

2

Refer to the exhibit. The Gigabit interfaces on both routers have been configured with subinterface numbers that match the VLAN numbers connected to them. PCs on VLAN 10 should be able to print to the P1 printer on VLAN 12. PCs on VLAN 20 should print to the printers on VLAN 22. What interface and in what direction should you place a standard ACL that allows printing to P1 from data VLAN 10, but stops the PCs on VLAN 20 from using the P1 printer? (Choose two.)

Selecione uma ou mais das seguintes:

R1 Gi0/1.12
R1 S0/0/0
R2 S0/0/1
R2 Gi0/1.20
inbound
outbound

Explicação

Questão 10 de 107

2

Which two packet filters could a network administrator use on an IPv4 extended ACL? (Choose two.)

Selecione uma ou mais das seguintes:

destination MAC address
ICMP message type
computer type
source TCP hello address
destination UDP port number

Explicação

Questão 11 de 107

2

A network administrator is explaining to a junior colleague the use of the lt and gt keywords when filtering packets using an extended ACL. Where would the lt or gt keywords be used?

Selecione uma das seguintes:

in an IPv6 extended ACL that stops packets going to one specific destination VLAN
in an IPv4 named standard ACL that has specific UDP protocols that are allowed to be used on a specific server
in an IPv6 named ACL that permits FTP traffic from one particular LAN getting to another LAN
in an IPv4 extended ACL that allows packets from a range of TCP ports destined for a specific network device

Explicação

Questão 12 de 107

3

Which three values or sets of values are included when creating an extended access control list entry? (Choose three.)

Selecione uma ou mais das seguintes:

access list number between 1 and 99
access list number between 100 and 199
default gateway address and wildcard mask
destination address and wildcard mask
source address and wildcard mask
source subnet mask and wildcard mask
destination subnet mask and wildcard mask

Explicação

Questão 13 de 107

2

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?

Selecione uma das seguintes:

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.

Explicação

Questão 14 de 107

2

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.)

Selecione uma ou mais das seguintes:

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

Explicação

Questão 15 de 107

2

A network administrator is adding ACLs to a new IPv6 multirouter environment. Which IPv6 ACE is automatically added implicitly at the end of an ACL so that two adjacent routers can discover each other?

Selecione uma das seguintes:

permit ip any any
permit ip any host ip_address
permit icmp any any nd-na
deny ip any any

Explicação

Questão 16 de 107

2

Which statement describes a route that has been learned dynamically?

Selecione uma das seguintes:

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.

Explicação

Questão 17 de 107

2

Refer to the exhibit. How did the router obtain the last route that is shown?

Selecione uma das seguintes:

The ip route command was used.
The ipv6 route command was used.
Another router in the same organization provided the default route by using a dynamic routing protocol.
The ip address interface configuration mode command was used in addition to the network routing protocol configuration mode command.

Explicação

Questão 18 de 107

2

Which statement is correct about IPv6 routing?

Selecione uma das seguintes:

IPv6 routing is enabled by default on Cisco routers.
IPv6 only supports the OSPF and EIGRP routing protocols.
IPv6 routes appear in the same routing table as IPv4 routes.
IPv6 uses the link-local address of neighbors as the next-hop address for dynamic routes.

Explicação

Questão 19 de 107

2

Refer to the exhibit. Which type of route is 172.16.0.0/16?

Selecione uma das seguintes:

child route
ultimate route
default route
level 1 parent route

Explicação

Questão 20 de 107

2

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

Selecione uma ou mais das seguintes:

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

Explicação

Questão 21 de 107

2

Refer to the exhibit. Which type of IPv6 static route is configured in the exhibit?

Selecione uma das seguintes:

directly attached static route
recursive static route
fully specified static route
floating static route

Explicação

Questão 22 de 107

2

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?

Selecione uma das seguintes:

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

Explicação

Questão 23 de 107

2

Which summary IPv6 static route statement can be configured to summarize only the routes to networks 2001:db8:cafe::/58 through 2001:db8:cafe:c0::/58?

Selecione uma das seguintes:

ipv6 route 2001:db8:cafe::/62 S0/0/0
ipv6 route 2001:db8:cafe::/54 S0/0/0
ipv6 route 2001:db8:cafe::/56 S0/0/0
ipv6 route 2001:db8:cafe::/60 S0/0/0

Explicação

Questão 24 de 107

2

Refer to the exhibit. If RIPng is enabled, how many hops away does R1 consider the 2001:0DB8:ACAD:1::/64 network to be?

Selecione uma das seguintes:

1
2
3
4

Explicação

Questão 25 de 107

2

Which statement is true about the difference between OSPFv2 and OSPFv3?

Selecione uma das seguintes:

OSPFv3 routers use a different metric than OSPFv2 routers use.
OSPFv3 routers use a 128 bit router ID instead of a 32 bit ID.
OSPFv3 routers do not need to elect a DR on multiaccess segments.
OSPFv3 routers do not need to have matching subnets to form neighbor adjacencies.

Explicação

Questão 26 de 107

2

What happens immediately after two OSPF routers have exchanged hello packets and have formed a neighbor adjacency?

Selecione uma das seguintes:

They exchange DBD packets in order to advertise parameters such as hello and dead intervals.
They negotiate the election process if they are on a multiaccess network.
They request more information about their databases.
They exchange abbreviated lists of their LSDBs.

Explicação

Questão 27 de 107

2

What does the cost of an OSPF link indicate?

Selecione uma das seguintes:

A higher cost for an OSPF link indicates a faster path to the destination.
Link cost indicates a proportion of the accumulated value of the route to the destination.
Cost equals bandwidth.
A lower cost indicates a better path to the destination than a higher cost does.

Explicação

Questão 28 de 107

3

Which three pieces of information does a link-state routing protocol use initially as link-state information for locally connected links? (Choose three.)

Selecione uma ou mais das seguintes:

the link router interface IP address and subnet mask
the type of network link
the link next-hop IP address
the link bandwidth
the cost of that link

Explicação

Questão 29 de 107

3

Which three requirements are necessary for two OSPFv2 routers to form an adjacency? (Choose three.)

Selecione uma ou mais das seguintes:

The two routers must include the inter-router link network in an OSPFv2 network command.
The OSPFv2 process is enabled on the interface by entering the ospf process area-id command.
The OSPF hello or dead timers on each router must match.
The OSPFv2 process ID must be the same on each router.
The link interface subnet masks must match.
The link interface on each router must be configured with a link-local address.

Explicação

Questão 30 de 107

2

A router needs to be configured to route within OSPF area 0. Which two commands are required to accomplish this? (Choose two.)

Selecione uma ou mais das seguintes:

RouterA(config)# router ospf 0
RouterA(config)# router ospf 1
RouterA(config-router)# network 192.168.2.0 0.0.0.255 0
RouterA(config-router)# network 192.168.2.0 0.0.0.255 area 0
RouterA(config-router)# network 192.168.2.0 255.255.255.0 0

Explicação

Questão 31 de 107

2

What are two features of a link-state routing protocol? (Choose two.)

Selecione uma ou mais das seguintes:

Routers send periodic updates only to neighboring routers.
Routers send triggered updates in response to a change.
Routers create a topology of the network by using information from other routers.
The database information for each router is obtained from the same source.
Paths are chosen based on the lowest number of hops to the designated router.

Explicação

Questão 32 de 107

2

Why would an administrator use a network security auditing tool to flood the switch MAC address table with fictitious MAC addresses?

Selecione uma das seguintes:

to determine which ports are not correctly configured to prevent MAC address flooding
to determine when the CAM table size needs to be increased in order to prevent overflows
to determine if the switch is forwarding the broadcast traffic correctly
to determine which ports are functioning

Explicação

Questão 33 de 107

2

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?

Selecione uma das seguintes:

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

Explicação

Questão 34 de 107

2

Which problem is evident if the show ip interface command shows that the interface is down and the line protocol is down?

Selecione uma das seguintes:

An encapsulation mismatch has occurred.
A cable has not been attached to the port.
The no shutdown command has not been issued on the interface.
There is an IP address conflict with the configured address on the interface.

Explicação

Questão 35 de 107

2

What caused the following error message to appear?01:11:12: %PM-4-ERR_DISABLE: psecure-violation error detected on Fa0/8, putting Fa0/8 in err-disable state

01:11:12: %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 0011.a0d4.12a0 on port FastEthernet0/8.

01:11:13: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/8, changed state to down

01:11:14: %LINK-3-UPDOWN: Interface FastEthernet0/8, changed state to down

Selecione uma das seguintes:

Another switch was connected to this switch port with the wrong cable.
An unauthorized user tried to telnet to the switch through switch port Fa0/8.
NAT was enabled on a router, and a private IP address arrived on switch port Fa0/8.
A host with an invalid IP address was connected to a switch port that was previously unused.
Port security was enabled on the switch port, and an unauthorized connection was made on switch port Fa0/8.

Explicação

Questão 36 de 107

2

While analyzing log files, a network administrator notices reoccurring native VLAN mismatches. What is the effect of these reoccurring errors?

Selecione uma das seguintes:

All traffic on the error-occurring trunk port is being misdirected or dropped.
The control and management traffic on the error-occurring trunk port is being misdirected or dropped.
All traffic on the error-occurring trunk port is being switched correctly regardless of the error.
Unexpected traffic on the error-occurring trunk port is being received.

Explicação

Questão 37 de 107

3

Which three pairs of trunking modes will establish a functional trunk link between two Cisco switches? (Choose three.)

Selecione uma ou mais das seguintes:

dynamic desirable – dynamic desirable
dynamic auto – dynamic auto
dynamic desirable – dynamic auto
dynamic desirable – trunk
access – trunk
access – dynamic auto

Explicação

Questão 38 de 107

2

What are two ways of turning off DTP on a trunk link between switches? (Choose two.)

Selecione uma ou mais das seguintes:

Change the native VLAN on both ports.
Configure attached switch ports with the dynamic desirable command option.
Configure attached switch ports with the nonegotiate command option.
Configure one port with the dynamic auto command option and the opposite attached switch port with the dynamic desirable command option.
Place the two attached switch ports in access mode.

Explicação

Questão 39 de 107

2

A network administrator is using the router-on-a-stick method to configure inter-VLAN routing. Switch port Gi1/1 is used to connect to the router. Which command should be entered to prepare this port for the task?

Selecione uma das seguintes:

Switch(config)# interface gigabitethernet 1/1
Switch(config-if)# spanning-tree vlan 1
Switch(config)# interface gigabitethernet 1/1
Switch(config-if)# spanning-tree portfast
Switch(config)# interface gigabitethernet 1/1
Switch(config-if)# switchport mode trunk
Switch(config)# interface gigabitethernet 1/1
Switch(config-if)# switchport access vlan 1

Explicação

Questão 40 de 107

2

Which two characteristics describe the native VLAN? (Choose two.)

Selecione uma ou mais das seguintes:

Designed to carry traffic that is generated by users, this type of VLAN is also known as the default VLAN.
The native VLAN traffic will be untagged across the trunk link.
This VLAN is necessary for remote management of a switch.
High priority traffic, such as voice traffic, uses the native VLAN.
The native VLAN provides a common identifier to both ends of a trunk.

Explicação

Questão 41 de 107

2

On a switch that is configured with multiple VLANs, which command will remove only VLAN 100 from the switch?

Selecione uma das seguintes:

Switch# delete flash:vlan.dat
Switch(config-if)# no switchport access vlan 100
Switch(config-if)# no switchport trunk allowed vlan 100
Switch(config)# no vlan 100

Explicação

Questão 42 de 107

2

What is the purpose of setting the native VLAN separate from data VLANs?

Selecione uma das seguintes:

The native VLAN is for carrying VLAN management traffic only.
The security of management frames that are carried in the native VLAN can be enhanced.
A separate VLAN should be used to carry uncommon untagged frames to avoid bandwidth contention on data VLANs.
The native VLAN is for routers and switches to exchange their management information, so it should be different from data VLANs.

Explicação

Questão 43 de 107

2

A network contains multiple VLANs spanning multiple switches. What happens when a device in VLAN 20 sends a broadcast Ethernet frame?

Selecione uma das seguintes:

All devices in all VLANs see the frame.
Devices in VLAN 20 and the management VLAN see the frame.
Only devices in VLAN 20 see the frame.
Only devices that are connected to the local switch see the frame.

Explicação

Questão 44 de 107

2

Refer to the exhibit. The partial configuration that is shown was used to configure router on a stick for VLANS 10, 30, and 50. However, testing shows that there are some connectivity problems between the VLANs. Which configuration error is causing this problem?

Selecione uma das seguintes:

A configuration for the native VLAN is missing.
There is no IP address configured for the FastEthernet 0/0 interface.
The wrong VLAN has been configured on subinterface Fa0/0.50.
The VLAN IP addresses should belong to the same subnet.

Explicação

Questão 45 de 107

2

What is the purpose of an access list that is created as part of configuring IP address translation?

Selecione uma das seguintes:

The access list defines the valid public addresses for the NAT or PAT pool.
The access list defines the private IP addresses that are to be translated.
The access list prevents external devices from being a part of the address translation.
The access list permits or denies specific addresses from entering the device doing the translation.

Explicação

Questão 46 de 107

2

Which command will create a static route on R2 in order to reach PC B?

Selecione uma das seguintes:

R2(config)# ip route 172.16.2.1 255.255.255.0 172.16.3.1
R2(config)# ip route 172.16.2.0 255.255.255.0 172.16.2.254
R2(config)# ip route 172.16.2.0 255.255.255.0 172.16.3.1
R2(config)# ip route 172.16.3.0 255.255.255.0 172.16.2.254

Explicação

Questão 47 de 107

2

Preencha o espaço em branco para completar o texto.

In IPv6, all routes are level ultimate routes.

Explicação

Questão 48 de 107

2

Preencha o espaço em branco para completar o texto.

Static routes are configured by the use of the global configuration command.

Explicação

Questão 49 de 107

2

Preencha o espaço em branco para completar o texto.

The OSPF Type 1 packet is the packet.

Explicação

Questão 50 de 107

2

Preencha o espaço em branco para completar o texto.

The default administrative distance for a static route is .

Explicação

Questão 51 de 107

5

Match the order in which the link-state routing process occurs on a router. (Not all options are used.)

❌ Each router is responsible for “saying hello” to its neighbours on directly connected networks
❌ Each router builds a Link-State Packet (LSP) containing the state of each directly connected link
❌ Each router learns about its own directly connected networks
❌ Each router increment the hop count for the destination network
❌ Each router floods the LSP to all neighbours, who then store all LSPs received in a database
❌ Each router uses the database to construct a complete map of the topology and computes the best path to each destination network

Arraste e solte para completar o texto.

step 2

step 3

step 1

---------

step 4

step 5

Explicação

Questão 52 de 107

2

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

Selecione uma das seguintes:

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

Explicação

Questão 53 de 107

2

Refer to the exhibit. How many broadcast and collision domains exist in the topology?

Selecione uma das seguintes:

10 broadcast domains and 5 collision domains
5 broadcast domains and 10 collision domains
5 broadcast domains and 11 collision domains
16 broadcast domains and 11 collision domains

Explicação

Questão 54 de 107

2

What is a function of the distribution layer?

Selecione uma das seguintes:

fault isolation
network access to the user
high-speed backbone connectivity
interconnection of large-scale networks in wiring closets

Explicação

Questão 55 de 107

2

Which switching method drops frames that fail the FCS check?

Selecione uma das seguintes:

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

Explicação

Questão 56 de 107

1

When a Cisco switch receives untagged frames on a 802.1Q trunk port, which VLAN ID is the traffic switched to by default?

Selecione uma das seguintes:

data VLAN ID
native VLAN ID
unused VLAN ID
management VLAN ID

Explicação

Questão 57 de 107

1

Which statement describes a route that has been learned dynamically?

Selecione uma das seguintes:

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.

Explicação

Questão 58 de 107

1

Refer to the exhibit. R1 was configured with the static route command ip route 209.165.200.224 255.255.255.224 S0/0/0 and consequently users on network 172.16.0.0/16 are unable to reach resources on the Internet. How should this static route be changed to allow user traffic from the LAN to reach the Internet?

Selecione uma das seguintes:

Add an administrative distance of 254.
Change the destination network and mask to 0.0.0.0 0.0.0.0
Change the exit interface to S0/0/1.
Add the next-hop neighbor address of 209.165.200.226.

Explicação

Questão 59 de 107

1

Refer to the exhibit. A Layer 3 switch routes for three VLANs and connects to a router for Internet connectivity. Which two configurations would be applied to the
switch? (Choose two.)

Selecione uma ou mais das seguintes:

(config)# interface gigabitethernet 1/1
(config-if)# no switchport
(config-if)# ip address 192.168.1.2 255.255.255.252
(config)# interface vlan 1
(config-if)# ip address 192.168.1.2 255.255.255.0
(config-if)# no shutdown
(config)# interface gigabitethernet1/1
(config-if)# switchport mode trunk
(config)# interface fastethernet0/4
(config-if)# switchport mode trunk
(config)# ip routing

Explicação

Questão 60 de 107

1

How is the router ID for an OSPFv3 router determined?

Selecione uma das seguintes:

the highest IPv6 address on an active interface
the highest EUI-64 ID on an active interface
the highest IPv4 address on an active interface
the lowest MAC address on an active interface

Explicação

Questão 61 de 107

1

Which two statements are characteristics of routed ports on a multilayer switch? (Choose two.)

Selecione uma ou mais das seguintes:

In a switched network, they are mostly configured between switches at the core and distribution layers.
They support subinterfaces, like interfaces on the Cisco IOS routers.
The interface vlan command has to be entered to create a VLAN on routed ports.
They are used for point-to-multipoint links.
They are not associated with a particular VLAN.

Explicação

Questão 62 de 107

1

Match the switching characteristic to the correct term. (Not all options are used.)

This is the ability to store frames before forwarding them. ❌
Each switch port can simultaneously send and receive data. ❌
Each switch port creates this by reducing the possibility of collisions. ❌
Switches use this to forward frames to the destination. ❌

Arraste e solte para completar o texto.

buffering

broadcast domain

half duplex

switching database

full duplex

collision domain

MAC address table

Explicação

Questão 63 de 107

1

A small-sized company has 20 workstations and 2 servers. The company has been assigned a group of IPv4 addresses 209.165.200.224/29 from its ISP. What technology should the company implement in order to allow the workstations to access the services over the Internet?

Selecione uma das seguintes:

static NAT
dynamic NAT
port address translation
DHCP

Explicação

Questão 64 de 107

1

What best describes the operation of distance vector routing protocols?

Selecione uma das seguintes:

They use hop count as their only metric.
They send their routing tables to directly connected neighbors.
They flood the entire network with routing updates.
They only send out updates when a new network is added.

Explicação

Questão 65 de 107

1

Which three advantages are provided by static routing? (Choose three.)

Selecione uma ou mais das seguintes:

The path a static route uses to send data is known.
No intervention is required to maintain changing route information.
Static routing typically uses less network bandwidth and fewer CPU operations than dynamic routing does.
Configuration of static routes is error-free.
Static routes scale well as the network grows.
Static routing does not advertise over the network, thus providing better security.

Explicação

Questão 66 de 107

1

When configuring a switch to use SSH for virtual terminal connections, what is the purpose of the crypto key generate rsa command?

Selecione uma das seguintes:

show active SSH ports on the switch
disconnect SSH connected hosts
create a public and private key pair
show SSH connected hosts
access the SSH database configuration

Explicação

Questão 67 de 107

1

Which two commands can be used to verify the content and placement of access control lists? (Choose two.)

Selecione uma ou mais das seguintes:

show processes
show cdp neighbor
show access-lists
show ip route
show running-config

Explicação

Questão 68 de 107

1

Refer to the exhibit. What summary static address would be configured on R1 to advertise to R3?

Selecione uma das seguintes:

192.168.0.0/24
192.168.0.0/23
192.168.0.0/22
192.168.0.0/21

Explicação

Questão 69 de 107

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?

Selecione uma das seguintes:

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

Explicação

Questão 70 de 107

1

Which value represents the “trustworthiness” of a route and is used to determine which route to install into the routing table when there are multiple routes toward the same destination?

Selecione uma das seguintes:

routing protocol
outgoing interface
metric
administrative distance

Explicação

Questão 71 de 107

1

Which type of router memory temporarily stores the running configuration file and ARP table?

Selecione uma das seguintes:

flash
NVRAM
RAM
ROM

Explicação

Questão 72 de 107

1

What is the purpose of an access list that is created as part of configuring IP address translation?

Selecione uma das seguintes:

The access list permits or denies specific addresses from entering the device doing the translation.
The access list defines the private IP addresses that are to be translated.
The access list prevents external devices from being a part of the address translation.
The access list defines the valid public addresses for the NAT or PAT pool.

Explicação

Questão 73 de 107

1

A new network policy requires an ACL to deny HTTP access from all guests to a web server at the main office. All guests use addressing from the IPv6 subnet 2001:DB8:19:C::/64. The web server is configured with the address 2001:DB8:19:A::105/64. Implementing the NoWeb ACL on the interface for the guest LAN requires which three commands? (Choose three.)

Selecione uma ou mais das seguintes:

permit tcp any host 2001:DB8:19:A::105 eq 80
deny tcp host 2001:DB8:19:A::105 any eq 80
deny tcp any host 2001:DB8:19:A::105 eq 80
permit ipv6 any any
deny ipv6 any any
ipv6 traffic-filter NoWeb in
ip access-group NoWeb in

Explicação

Questão 74 de 107

1

An OSPF router has three directly connected networks; 172.16.0.0/16, 172.16.1.0/16, and 172.16.2.0/16. Which OSPF network command would advertise only the 172.16.1.0 network to neighbors?

Selecione uma das seguintes:

router(config-router)# network 172.16.1.0 0.0.255.255 area 0
router(config-router)# network 172.16.0.0 0.0.15.255 area 0
router(config-router)# network 172.16.1.0 255.255.255.0 area 0
router(config-router)# network 172.16.1.0 0.0.0.0 area 0

Explicação

Questão 75 de 107

1

Refer to the exhibit. A small business uses VLANs 8, 20, 25, and 30 on two switches that have a trunk link between them. What native VLAN should be used on the trunk if Cisco best practices are being implemented?

Selecione uma das seguintes:

1
5
8
20
25
30

Explicação

Questão 76 de 107

1

A network technician is configuring port security on switches. The interfaces on the switches are configured in such a way that when a violation occurs, packets with unknown source address are dropped and no notification is sent. Which violation mode is configured on the interfaces?

Selecione uma das seguintes:

off
restrict
protect
shutdown

Explicação

Questão 77 de 107

1

Which subnet mask would be used as the classful mask for the IP address 192.135.250.27?

Selecione uma das seguintes:

255.0.0.0
255.255.0.0
255.255.255.0
255.255.255.224

Explicação

Questão 78 de 107

1

Which subnet mask would be used as the classful mask for the IP address 128.107.52.27?

Selecione uma das seguintes:

255.0.0.0
255.255.0.0
255.255.255.0
255.255.255.224

Explicação

Questão 79 de 107

1

A standard ACL has been configured on a router to allow only clients from the 10.11.110.0/24 network to telnet or to ssh to the VTY lines of the router. Which command will correctly apply this ACL?

Selecione uma das seguintes:

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

Explicação

Questão 80 de 107

1

A security specialist designs an ACL to deny access to a web server from all sales staff. The sales staff are assigned addressing from the IPv6 subnet 2001:db8:48:2c::/64. The web server is assigned the address 2001:db8:48:1c::50/64. Configuring the WebFilter ACL on the LAN interface for the sales staff will require which three commands? (Choose three.)

Selecione uma ou mais das seguintes:

permit tcp any host 2001:db8:48:1c::50 eq 80
deny tcp host 2001:db8:48:1c::50 any eq 80
deny tcp any host 2001:db8:48:1c::50 eq 80
permit ipv6 any any
deny ipv6 any any
ip access-group WebFilter in
ipv6 traffic-filter WebFilter in

Explicação

Questão 81 de 107

1

To enable RIP routing for a specific subnet, the configuration command network 192.168.5.64 was entered by the network administrator. What address, if any, appears in the running configuration file to identify this network?

Selecione uma das seguintes:

192.168.5.64
192.168.5.0
192.168.0.0
No address is displayed.

Explicação

Questão 82 de 107

1

What is the minimum configuration for a router interface that is participating in IPv6 routing?

Selecione uma das seguintes:

Ipv6
Link-access
To have only a link-local IPv6 address
Protocol
OSPF

Explicação

Questão 83 de 107

1

Which two statements are true about half-duplex and full-duplex communications? (Choose two.)

Selecione uma ou mais das seguintes:

Full duplex offers 100 percent potential use of the bandwidth.
Half duplex has only one channel.
All modern NICs support both half-duplex and full-duplex communication.
Full duplex allows both ends to transmit and receive simultaneously.
Full duplex increases the effective bandwidth.

Explicação

Questão 84 de 107

1

Preencha o espaço em branco para completar o texto.

The acronym describes the type of traffic that has strict QoS requirements and utilizes a one-way overall delay less than 150 ms across the network.

Explicação

Questão 85 de 107

1

Which two commands should be implemented to return a Cisco 3560 trunk port to its default configuration? (Choose two.)

Selecione uma ou mais das seguintes:

S1(config-if)# no switchport trunk allowed vlan
S1(config-if)# no switchport trunk native vlan
S1(config-if)# switchport mode dynamic desirable
S1(config-if)# switchport mode access
S1(config-if)# switchport access vlan 1

Explicação

Questão 86 de 107

1

Which command will enable auto-MDIX on a device?

Selecione uma das seguintes:

S1(config-if)# mdix auto
S1# auto-mdix
S1(config-if)# auto-mdix
S1# mdix auto
S1(config)# mdix auto
S1(config)# auto-mdix

Explicação

Questão 87 de 107

1

What is the effect of issuing the passive-interface default command on a router that is configured for OSPF?

Selecione uma das seguintes:

Routers that share a link and use the same routing protocol
It prevents OSPF messages from being sent out any OSPF-enabled interface.
All of above

Explicação

Questão 88 de 107

1

A network administrator is implementing a distance vector routing protocol between neighbors on the network. In the context of distance vector protocols, what is a neighbor?

Selecione uma das seguintes:

routers that are reachable over a TCP session
routers that share a link and use the same routing protocol
routers that reside in the same area
routers that exchange LSAs

Explicação

Questão 89 de 107

1

Refer to the exhibit. A network administrator has just configured address translation and is verifying the configuration. What three things can the administrator verify? (Choose three.)

Selecione uma ou mais das seguintes:

Address translation is working.
Three addresses from the NAT pool are being used by hosts.
The name of the NAT pool is refCount.
A standard access list numbered 1 was used as part of the configuration process.
Two types of NAT are enabled.
One port on the router is not participating in the address translation.

Explicação

Questão 90 de 107

1

Match the router memory type that provides the primary storage for the router feature. (Not all options are used.)

console access ❌

full operating system ❌

limited operating system ❌

routing table ❌

startup configuration file ❌

Arraste e solte para completar o texto.

–--

flash

ROM

RAM

NVRAM

Explicação

Questão 91 de 107

1

Which two methods can be used to provide secure management access to a Cisco switch? (Choose two.)

Selecione uma ou mais das seguintes:

Configure all switch ports to a new VLAN that is not VLAN 1.
Configure specific ports for management traffic on a specific VLAN.
Configure SSH for remote management.
Configure all unused ports to a “black hole.”
Configure the native VLAN to match the default VLAN.

Explicação

Questão 92 de 107

1

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

Selecione uma das seguintes:

0.0.0.0
10.16.100.128
10.16.100.2
110
791

Explicação

Questão 93 de 107

1

Refer to the exhibit. Host A has sent a packet to host B. What will be the source MAC and IP addresses on the packet when it arrives at host B?

Selecione uma das seguintes:

Source MAC: 00E0.FE10.17A3
Source IP: 10.1.1.10
Source MAC: 00E0.FE91.7799
Source IP: 10.1.1.1
Source MAC: 00E0.FE91.7799
Source IP: 192.168.1.1
Source MAC: 00E0.FE91.7799
Source IP: 10.1.1.10
Source MAC: 00E0.FE10.17A3
Source IP: 192.168.1.1

Explicação

Questão 94 de 107

1

Which network design may be recommended for a small campus site that consists of a single building with a few users?

Selecione uma das seguintes:

a network design where the access and distribution layers are collapsed into a single layer
a network design where the access and core layers are collapsed into a single layer
a collapsed core network design
a three-tier campus network design where the access, distribution, and core are all separate layers, each one with very specific functions

Explicação

Questão 95 de 107

1

The network address 172.18.9.128 with netmask 255.255.255.128 is matched by which wildcard mask?

Selecione uma das seguintes:

0.0.0.31
0.0.0.255
0.0.0.127
0.0.0.63

Explicação

Questão 96 de 107

1

Which three addresses could be used as the destination address for OSPFv3 messages? (Choose three.)

Selecione uma ou mais das seguintes:

FF02::5
FF02::6
FF02::A
2001:db8:cafe::1
FF02::1:2
FE80::1

Explicação

Questão 97 de 107

1

A network administrator is configuring port security on a Cisco switch. The company security policy specifies that when a violation occurs, packets with unknown source addresses should be dropped and no notification should be sent. Which violation mode should be configured on the interfaces?

Selecione uma das seguintes:

off
restrict
protect
shutdown

Explicação

Questão 98 de 107

1

A network administrator is configuring an ACL with the command access-list 10 permit 172.16.32.0 0.0.15.255. Which IPv4 address matches the ACE?

Selecione uma das seguintes:

172.16.20.2
172.16.26.254
172.16.47.254
172.16.48.5

Explicação

Questão 99 de 107

1

What are two reasons that will prevent two routers from forming an OSPFv2 adjacency? (Choose two.)

Selecione uma ou mais das seguintes:

a mismatched Cisco IOS version that is used
use of private IP addresses on the link interfaces
one router connecting to a FastEthernet port on the switch and the other connecting to a GigabitEthernet port
mismatched OSPF Hello or Dead timers
mismatched subnet masks on the link interfaces

Explicação

Questão 100 de 107

1

A part of the new security policy, all switches on the network are configured to automatically learn MAC addresses for each port. All running configurations are saved at the start and close of every business day. A severe thunderstorm causes an extended power outage several hours after the close of business. When the switches are brought back online, the dynamically learned MAC addresses are retained. Which port security configuration enabled this?

Selecione uma das seguintes:

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

Explicação

Questão 101 de 107

1

Which type of traffic is designed for a native VLAN?

Selecione uma das seguintes:

management
user-generated
untagged
tagged

Explicação

Questão 102 de 107

1

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

Selecione uma ou mais das seguintes:

The NTP master will claim to be synchronized at the configured 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 be the clock with 1 as its stratum number.
The NTP master will lower its stratum number.

Explicação

Questão 103 de 107

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?

Selecione uma das seguintes:

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

Explicação

Questão 104 de 107

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.)

Selecione uma ou mais das seguintes:

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

Explicação

Questão 105 de 107

1

A network administrator configures a router to provide stateful DHCPv6 operation. However, users report that workstations do not receive IPv6 addresses within the scope. Which configuration command should be checked to ensure that statefull DHCPv6 is implemented?

Selecione uma das seguintes:

The dns-server line is included in the ipv6 dhcp pool section.
The ipv6 nd managed-config-flag is entered for the interface facing the LAN segment.
The ipv6 nd other-config-flag is entered for the interface facing the LAN segment.
The domain-name line is included in the ipv6 dhcp pool section.

Explicação

Questão 106 de 107

1

Refer to the exhibit. A company has an internal network of 172.16.25.0/24 for their employee workstations and a DMZ network of 172.16.12.0/24 to host servers. The company uses NAT when inside hosts connect to outside network. A network administrator issues the show ip nat translations command to check the NAT configurations. Which one of source IPv4 addresses is translated by R1 with PAT?

Selecione uma das seguintes:

10.0.0.31
172.16.12.5
172.16.12.33
192.168.1.10
172.16.25.35

	Criado por Jess K quase 8 anos atrás

	Copiado por Jess K quase 8 anos atrás

Final exam Information Technology (CCNA2) Quiz sobre CCNA2 Final Exam, criado por Jess K em 13-01-2017.

CCNA2 Final Exam

Questão 1 de 107

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?

Selecione uma das seguintes:

Explicação

Questão 2 de 107

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?

Selecione uma das seguintes:

Explicação

Questão 3 de 107

Which kind of message is sent by a DHCP client when its IP address lease has expired?

Selecione uma das seguintes:

Explicação

Questão 4 de 107

Refer to the exhibit. R1 has been configured as shown. However, PC1 is not able to receive an IPv4 address. What is the problem?

Selecione uma das seguintes:

Explicação

Questão 5 de 107

Selecione uma das seguintes:

Explicação

Questão 6 de 107

What is a disadvantage of NAT?

Selecione uma das seguintes:

Explicação

Questão 7 de 107

Which type of traffic would most likely have problems when passing through a NAT device?

Selecione uma das seguintes:

Explicação

Questão 8 de 107

What benefit does NAT64 provide?

Selecione uma das seguintes:

Explicação

Questão 9 de 107

Selecione uma ou mais das seguintes:

Explicação

Questão 10 de 107

Which two packet filters could a network administrator use on an IPv4 extended ACL? (Choose two.)

Selecione uma ou mais das seguintes:

Explicação

Questão 11 de 107

A network administrator is explaining to a junior colleague the use of the lt and gt keywords when filtering packets using an extended ACL. Where would the lt or gt keywords be used?

Selecione uma das seguintes:

Explicação

Questão 12 de 107

Which three values or sets of values are included when creating an extended access control list entry? (Choose three.)

Selecione uma ou mais das seguintes:

Explicação

Questão 13 de 107

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?

Selecione uma das seguintes:

Explicação

Questão 14 de 107

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.)

Selecione uma ou mais das seguintes:

Explicação

Questão 15 de 107

A network administrator is adding ACLs to a new IPv6 multirouter environment. Which IPv6 ACE is automatically added implicitly at the end of an ACL so that two adjacent routers can discover each other?

Selecione uma das seguintes:

Explicação

Questão 16 de 107

Which statement describes a route that has been learned dynamically?

Selecione uma das seguintes:

Explicação

Questão 17 de 107

Refer to the exhibit. How did the router obtain the last route that is shown?

Selecione uma das seguintes:

Explicação

Questão 18 de 107

Which statement is correct about IPv6 routing?

Selecione uma das seguintes:

Explicação

Questão 19 de 107

Refer to the exhibit. Which type of route is 172.16.0.0/16?

Selecione uma das seguintes:

Explicação

Questão 20 de 107

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

Selecione uma ou mais das seguintes:

Explicação