CCNA 2 Chapter 4 v5 Exam Answers 2016
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1
What type of IPv6 address is required as a minimum on IPv6 enabled interfaces?
What type of IPv6 address is required as a minimum on IPv6 enabled interfaces?
static
global unicast
link-local*
loopback
unique local
global unicast
link-local*
loopback
unique local
2
In order for packets to be sent to a remote destination, what three pieces of information must be configured on a host? (Choose three.)
In order for packets to be sent to a remote destination, what three pieces of information must be configured on a host? (Choose three.)
default gateway*
hostname
DNS server address
DHCP server address
IP address*
subnet mask*
hostname
DNS server address
DHCP server address
IP address*
subnet mask*
3
What two pieces of information are displayed in the output of the show ip interface brief command? (Choose two.)
What two pieces of information are displayed in the output of the show ip interface brief command? (Choose two.)
MAC addresses
Layer 1 statuses*
IP addresses*
next-hop addresses
interface descriptions
speed and duplex settings
Layer 1 statuses*
IP addresses*
next-hop addresses
interface descriptions
speed and duplex settings
4
172.16.2.2 -> next hop
10.3.0.0 -> destination network
21024000 -> metric
1 -> administrative distance
00:22:15 -> route timestamp
D -> route source protocol
10.3.0.0 -> destination network
21024000 -> metric
1 -> administrative distance
00:22:15 -> route timestamp
D -> route source protocol
5
Which two items are used by a host device when performing an ANDing operation to determine if a destination address is on the same local network? (Choose two.)
Which two items are used by a host device when performing an ANDing operation to determine if a destination address is on the same local network? (Choose two.)
destination MAC address
network number
destination IP address*
source MAC address
subnet mask*
network number
destination IP address*
source MAC address
subnet mask*
6
Refer to the exhibit. A network administrator issues the show ipv6 route command on R1. What two conclusions can be drawn from the routing table? (Choose two.)
Packets that are destined for the network 2001:DB8:ACAD:2::/64 will be forwarded through Fa0/1.
R1 does not know a route to any remote networks.*
The interface Fa0/1 is configured with IPv6 address 2001:DB8:ACAD:A::12.*
Packets that are destined for the network 2001:DB8:ACAD:2::54/128 will be forwarded through Fa0/0.
The network FF00::/8 is installed through a static route command.
R1 does not know a route to any remote networks.*
The interface Fa0/1 is configured with IPv6 address 2001:DB8:ACAD:A::12.*
Packets that are destined for the network 2001:DB8:ACAD:2::54/128 will be forwarded through Fa0/0.
The network FF00::/8 is installed through a static route command.
7
Refer to the exhibit. What is the purpose of the highlighted field in the line that is displayed from the show ip route command?
It indicates that this is a directly connected route.
It indicates that this route has been deleted from the routing table.
It indicates that this route was learned via EIGRP.*
It indicates that this is a default route.
It indicates that this route has been deleted from the routing table.
It indicates that this route was learned via EIGRP.*
It indicates that this is a default route.
8
Which two statements correctly describe the concepts of administrative distance and metric? (Choose two.)
Which two statements correctly describe the concepts of administrative distance and metric? (Choose two.)
The metric varies depending which Layer 3 protocol is being routed, such as IP.
A router first installs routes with higher administrative distances.
The value of the administrative distance can not be altered by the network administrator.
Routes with the smallest metric to a destination indicate the best path.*
Administrative distance refers to the trustworthiness of a particular route.*
The metric is always determined based on hop count.
A router first installs routes with higher administrative distances.
The value of the administrative distance can not be altered by the network administrator.
Routes with the smallest metric to a destination indicate the best path.*
Administrative distance refers to the trustworthiness of a particular route.*
The metric is always determined based on hop count.
9
What are two functions of a router? (Choose two.)
What are two functions of a router? (Choose two.)
It manages the VLAN database.
It increases the size of the broadcast domain.
It controls the flow of data via the use of Layer 2 addresses.
It determines the best path to send packets.*
It connects multiple IP networks.*
It increases the size of the broadcast domain.
It controls the flow of data via the use of Layer 2 addresses.
It determines the best path to send packets.*
It connects multiple IP networks.*
10
A packet moves from a host on one network to a device on a remote network within the same company. If NAT is not performed on the packet, which two items remain unchanged during the transfer of the packet from source to destination? (Choose two.)
A packet moves from a host on one network to a device on a remote network within the same company. If NAT is not performed on the packet, which two items remain unchanged during the transfer of the packet from source to destination? (Choose two.)
destination MAC address
source ARP table
source IP address*
destination IP address*
source MAC address
Layer 2 header
source ARP table
source IP address*
destination IP address*
source MAC address
Layer 2 header
11
Refer to the exhibit. PC1 attempts to connect to File_server1 and sends an ARP request to obtain a destination MAC address. Which MAC address will PC1 receive in the ARP reply?
the MAC address of File_server1
the MAC address of S2
the MAC address of the G0/0 interface on R2
the MAC address of S1
the MAC address of the G0/0 interface on R1*
the MAC address of S2
the MAC address of the G0/0 interface on R2
the MAC address of S1
the MAC address of the G0/0 interface on R1*
12
A network administrator configures the interface fa0/0 on the router R1 with the command ip address 172.16.1.254 255.255.255.0. However, when the administrator issues the command show ip route, the routing table does not show the directly connected network. What is the possible cause of the problem?
A network administrator configures the interface fa0/0 on the router R1 with the command ip address 172.16.1.254 255.255.255.0. However, when the administrator issues the command show ip route, the routing table does not show the directly connected network. What is the possible cause of the problem?
The interface fa0/0 has not been activated.*
No packets with a destination network of 172.16.1.0 have been sent to R1.
The subnet mask is incorrect for the IPv4 address.
The configuration needs to be saved first.
No packets with a destination network of 172.16.1.0 have been sent to R1.
The subnet mask is incorrect for the IPv4 address.
The configuration needs to be saved first.
13
Which command is used to configure an IPv6 address on a router interface so that the router will combine a manually specified network prefix with an automatically generated interface identifier?
Which command is used to configure an IPv6 address on a router interface so that the router will combine a manually specified network prefix with an automatically generated interface identifier?
ipv6 enable
ipv6 address ipv6-address/prefix-length eui-64*
ipv6 address ipv6-address/prefix-length link-local
ipv6 address ipv6-address/prefix-length
ipv6 address ipv6-address/prefix-length eui-64*
ipv6 address ipv6-address/prefix-length link-local
ipv6 address ipv6-address/prefix-length
14
Fill in the blank.
When a router receives a packet, it examines the destination address of the packet and looks in the ”routing ” table to determine the best path to use to forward the packet.
Fill in the blank.
When a router receives a packet, it examines the destination address of the packet and looks in the ”routing ” table to determine the best path to use to forward the packet.
15
A network administrator configures a router by the command ip route 0.0.0.0 0.0.0.0 209.165.200.226. What is the purpose of this command?
A network administrator configures a router by the command ip route 0.0.0.0 0.0.0.0 209.165.200.226. What is the purpose of this command?
to provide a route to forward packets for which there is no route in the routing table*
to forward packets destined for the network 0.0.0.0 to the device with IP address 209.165.200.226
to add a dynamic route for the destination network 0.0.0.0 to the routing table
to forward all packets to the device with IP address 209.165.200.226
to forward packets destined for the network 0.0.0.0 to the device with IP address 209.165.200.226
to add a dynamic route for the destination network 0.0.0.0 to the routing table
to forward all packets to the device with IP address 209.165.200.226
16
Refer to the exhibit. A network administrator issues the show ipv6 route command on R1. Which two types of routes are displayed in the routing table? (Choose two.)
route that is learned through the EIGRP routing protocol
directly connected network*
route that is learned through the OSPF routing protocol
static route
local host route*
directly connected network*
route that is learned through the OSPF routing protocol
static route
local host route*
17
What address changes as a packet travels across multiple Layer 3 Ethernet hops to its final destination?
What address changes as a packet travels across multiple Layer 3 Ethernet hops to its final destination?
source Layer 2 address*
source IP
destination port
destination IP
source IP
destination port
destination IP
18
Refer to the exhibit. What will the router do with a packet that has a destination IP address of 192.168.12.227?
Drop the packet.
Send the packet out the GigabitEthernet0/1 interface.
Send the packet out the Serial0/0/0 interface.*
Send the packet out the GigabitEthernet0/0 interface.
Send the packet out the GigabitEthernet0/1 interface.
Send the packet out the Serial0/0/0 interface.*
Send the packet out the GigabitEthernet0/0 interface.
19
A network administrator is implementing dynamic routing protocols for a company. Which command can the administrator issue on a router to display the supported routing protocols?
A network administrator is implementing dynamic routing protocols for a company. Which command can the administrator issue on a router to display the supported routing protocols?
Router(config)# router ?*
Router(config)# ip forward-protocol ?
Router(config)# service ?
Router(config)# ip route ?
Router(config)# ip forward-protocol ?
Router(config)# service ?
Router(config)# ip route ?
20
Refer to the exhibit. A network administrator has configured R1 as shown. When the administrator checks the status of the serial interface, the interface is shown as being administratively down. What additional command must be entered on the serial interface of R1 to bring the interface up?
no shutdown*
end
clockrate 128000
IPv6 enable
end
clockrate 128000
IPv6 enable
21
What is one feature that distinguishes routers from Layer 2 switches?
What is one feature that distinguishes routers from Layer 2 switches?
Switches use tables of information to determine how to process data traffic. Routers do not.
Switches move packets from one physical interface to another. Routers do not.
Routers support a variety of interface types. Switches typically support Ethernet interfaces.*
Routers can be configured with IP addresses. Switches cannot.
Switches move packets from one physical interface to another. Routers do not.
Routers support a variety of interface types. Switches typically support Ethernet interfaces.*
Routers can be configured with IP addresses. Switches cannot.
22
Which statement describes a route that has been learned dynamically?
Which statement describes a route that has been learned dynamically?
It is identified by the prefix C in the routing table.
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 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.
23
Refer to the exhibit. A network administrator issues the show ip route command on R2. What two types of routes are installed in the routing table? (Choose two.)
directly connected networks*
routes that are learned through the OSPF routing protocol
a configured default route
routes that are learned through the EIGRP routing protocol*
a configured static route to the network 209.165.200.224
routes that are learned through the OSPF routing protocol
a configured default route
routes that are learned through the EIGRP routing protocol*
a configured static route to the network 209.165.200.224
24
When a computer is pinging another computer for the first time, what type of message does it place on the network to determine the MAC address of the other device?
When a computer is pinging another computer for the first time, what type of message does it place on the network to determine the MAC address of the other device?
an RFI (Request for Information) message
an ARP request*
an ICMP ping
a multicast to any Layer 3 devices that are connected to the local network
an ARP request*
an ICMP ping
a multicast to any Layer 3 devices that are connected to the local network
25. Which two network parameters are used by EIGRP as metrics to select the best path to reach a network? (Choose Two.)
jitter
bandwidth*
resiliency
hop count
delay*
confidentiality
bandwidth*
resiliency
hop count
delay*
confidentiality
26. What route would have the lowest administrative distance?
a route received through the EIGRP routing protocol
a directly connected network*
a route received through the OSPF routing protocol
a static route
27. Which two parameters are used by EIGRP as metrics to select the best path to reach a network? (Choose two.)
hop count
bandwidth*
jitter
resiliency
delay*
confidentiality
hop count
bandwidth*
jitter
resiliency
delay*
confidentiality
28. What are two common types of static routes in routing tables? (Choose two)
a default static route*
a static route shared between two neighboring routers
a static route to a specific network*
a built-in static route by IOS
a static route converted from a route that is learned through a dynamic routing protocol
29. Which software is used for a network administrator to make the initial router configuration securely?
terminal emulation client software*
HTTPS client software
SSH client software
Telnet client software
30. Consider the following routing table entry for R1:
D 10.1.1.0/24 [90/2170112] via 209.165.200.226, 00:00:05, Serial0/0/0
What is the significance of the Serial0/0/0?
It is the R1 interface through which the EIGRP update was learned.
It is the interface on R1 used to send data that is destined for 10.1.1.0/24.*
It is the interface on the next-hop router when the destination IP address is on the 10.1.1.0/24 network.
It is the interface on the final destination router that is directly connected to the 10.1.1.0/24 network.
31. Refer to the exhibit.
PC A sends a request to Server B. What IPv4 address is used in the destination field in the packet as the packet leaves PC A?
192.168.10.1
192.168.11.1
192.168.12.16*
192.168.10.10
32. What command will enable a router to begin sending messages that allow it to configure a link-local address without using an IPv6 DHCP server?
the ipv6 route ::/0 command
a static route
the ip routing command
the ipv6 unicast-routing command*
33. What are two types of static routes in routing tables? (choose two)
default static route*
built in static route by IOS
static route to specific network*
static route converted from a route that is learned through a dynamic routing protocol.
static route shared btween two neighboring routers.
34. what is a characteristic of an IPv4 interface on a Cisco IOS router?
it is assigned to a physical port and can be connected to other devices.
only one loopback int can be enable on a router
it is a logical int internal to the router*
the no shut command is required to place this in UP
35. Refer to the exhibit.
What does R1 use as the MAC address of the destination when constructing the frame that will go from R1 to Server B?
R1 uses the destination MAC address of S1.
If the destination MAC address that corresponds to the IPv4 address is not in the ARP cache, R1 sends an ARP request.*
R1 leaves the field blank and forwards the data to the PC.
The packet is encapsulated into a PPP frame, and R1 adds the PPP destination address to the frame.
36. Refer to the exhibit.
If PC1 is sending a packet to PC2 and routing has been configured between the two routers, what will R1 do with the Ethernet frame header attached by PC1?
nothing, because the router has a route to the destination network
remove the Ethernet header and configure a new Layer 2 header before sending it out S0/0/0*
open the header and replace the destination MAC address with a new one
open the header and use it to determine whether the data is to be sent out S0/0/0
37. What is a characteristic of an IPv4 loopback interface on a Cisco IOS router?
The no shutdown command is required to place this interface in an UP state.
Only one loopback interface can be enabled on a router.
It is a logical interface internal to the router.*
It is assigned to a physical port and can be connected to other devices.
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