Download 20088-2 CCNA3 3.1-01 Questions Scaling IP Addresses

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Transcript
Module 1
Cisco 3 - Classless
The subnet 192.168.32.16/28 has been selected to be further subnetted to
support point-to-point serial links. What is the maximum number of serial links
that this plan can support?
1.
2
2.
3
3.
3 if ip subnet-zero is enabled
4.
4
5.
6
6.
8
5/25/2017
Page 1
Module 1
Cisco 3 - Classless
The subnet 192.168.32.16/28 has been selected to be further subnetted to
support point-to-point serial links. What is the maximum number of serial links
that this plan can support?
1.
2
2.
3
3.
3 if ip subnet-zero is enabled
4.
4
5.
6
6.
8
5/25/2017
Page 2
Module 1
Cisco 3 - Classless
Which of the following statements are true regarding RIP v1 and v2?
(Choose three.)
1.
Both RIP versions use hop count.
2.
Both RIP versions can provide authentication of update sources.
3.
Both RIP versions use 16 hops as a metric for infinite distance.
4.
RIP v1 uses split horizon to prevent routing loops while RIP v2 does not.
5.
RIP v1 uses hold-down times to prevent routing loops while RIP v2 does
not.
6.
RIP v1 broadcasts routing table updates, while RIP v2 multicasts its
updates
5/25/2017
Page 3
Module 1
Cisco 3 - Classless
Which of the following statements are true regarding RIP v1 and v2?
(Choose three.)
1.
Both RIP versions use hop count.
2.
Both RIP versions can provide authentication of update sources.
3.
Both RIP versions use 15 hops as a metric for infinite distance.
4.
RIP v1 uses split horizon to prevent routing loops while RIP v2 does not.
5.
RIP v1 uses hold-down times to prevent routing loops while RIP v2 does
not.
6.
RIP v1 broadcasts routing table updates, while RIP v2 multicasts its
updates
5/25/2017
Page 4
Module 1
Cisco 3 - Classless
A new network is to be configured on a router. Which of the following tasks
must be completed to configure this interface and implement dynamic IP
routing for the new network? (Choose three.)
1.
Select the routing protocol to be configured.
2.
Assign an IP address and subnet mask to the interface.
3.
Update the ip host configuration information with the device
name and new interface IP address.
4.
Configure the routing protocol with the new network IP address.
5.
Configure the routing protocol with the new interface IP address
and subnet mask.
6.
Configure the routing protocol in use on all other enterprise
routers with the new network information.
5/25/2017
Page 5
Module 1
Cisco 3 - Classless
A new network is to be configured on a router. Which of the following tasks
must be completed to configure this interface and implement dynamic IP
routing for the new network? (Choose three.)
1.
Select the routing protocol to be configured.
2.
Assign an IP address and subnet mask to the interface.
3.
Update the ip host configuration information with the device
name and new interface IP address.
4.
Configure the routing protocol with the new network IP
address.
5.
Configure the routing protocol with the new interface IP address
and subnet mask.
6.
Configure the routing protocol in use on all other enterprise
routers with the new network information.
5/25/2017
Page 6
Module 1
Cisco 3 - Classless
Router1 and Router2 shown in the topology have been configured with the
no ip subnet-zero command. Which of the following valid VLSM network
numbers could be used for the serial link between Router1 and Router2?
(Choose two.)
1.
192.168.1.0/30
2.
192.168.1.4/30
3.
192.168.1.8/30
4.
192.168.1.96/30
5.
192.168.1.138/30
6.
192.168.1.190/30
5/25/2017
Page 7
Module 1
Cisco 3 - Classless
Router1 and Router2 shown in the topology have been configured with the
no ip subnet-zero command. Which of the following valid VLSM network
numbers could be used for the serial link between Router1 and Router2?
(Choose two.)
1.
192.168.1.0/30
2.
192.168.1.4/30
3.
192.168.1.8/30
4.
192.168.1.96/30
5.
192.168.1.138/30
6.
192.168.1.190/30
5/25/2017
Page 8
Module 1
Cisco 3 - Classless
How does a router know of paths to destination networks? (Choose two.)
1.
inspection of the destination IP address in data packets
2.
ARP requests from connected routers
3.
manual configuration of routes
4.
updates from other routers
5.
DHCP information broadcasts
6.
updates from the SMTP management information base
5/25/2017
Page 9
Module 1
Cisco 3 - Classless
How does a router know of paths to destination networks? (Choose two.)
1.
inspection of the destination IP address in data packets
2.
ARP requests from connected routers
3.
manual configuration of routes
4.
updates from other routers
5.
DHCP information broadcasts
6.
updates from the SMTP management information base
5/25/2017
Page 10
Module 1
Cisco 3 - Classless
Refer to the network shown. How will Router1 summarize and advertise the
four networks attached to its Ethernet ports?
1.
172.16.16.0/20
2.
172.16.19.0/20
3.
172.16.16.0/20 and 172.16.19.0/20
4.
172.16.16.0/22
5.
172.16.18.0/24
6.
172.16.0.0/24
5/25/2017
Page 11
Module 1
Cisco 3 - Classless
Refer to the network shown. How will Router1 summarize and advertise the
four networks attached to its Ethernet ports?
1.
172.16.16.0/20
2.
172.16.19.0/20
3.
172.16.16.0/20 and 172.16.19.0/20
4.
172.16.16.0/22
5.
172.16.18.0/24
6.
172.16.0.0/24
5/25/2017
Page 12
Module 1
Cisco 3 - Classless
In the network shown in the graphic, three bits were borrowed from the host portion of
a Class C address. How many valid host addresses will be unused on the three pointto-point links combined if VLSM is not used?
1.
3
2.
4
3.
12
4.
36
5.
84
6.
180
5/25/2017
Page 13
Module 1
Cisco 3 - Classless
In the network shown in the graphic, three bits were borrowed from the host portion of
a Class C address. How many valid host addresses will be unused on the three pointto-point links combined if VLSM is not used?
1.
3
2.
4
3.
12
4.
36
5.
84
6.
180
5/25/2017
Page 14
Module 1
Cisco 3 - Classless
A Class C address has been assigned for use in the network shown in the
graphic. Using VLSM, which bit mask should be used to provide for the number
of host addresses required on Router A, while wasting the fewest addresses?
1.
/31
2.
/30
3.
/29
4.
/28
5.
/27
6.
/26
5/25/2017
Page 15
Module 1
Cisco 3 - Classless
A Class C address has been assigned for use in the network shown in the
graphic. Using VLSM, which bit mask should be used to provide for the number
of host addresses required on Router A, while wasting the fewest addresses?
1.
/31
2.
/30
3.
/29
4.
/28
5.
/27
6.
/26
5/25/2017
Page 16
Module 1
Cisco 3 - Classless
Which of the following are contained in the routing updates of classless
routing protocols? (Choose two.)
1.
32-bit address
2.
next hop router interface
3.
subnet mask
4.
unicast host address
5.
Layer 2 address
5/25/2017
Page 17
Module 1
Cisco 3 - Classless
Which of the following are contained in the routing updates of classless
routing protocols? (Choose two.)
1.
32-bit address
2.
next hop router interface
3.
subnet mask
4.
unicast host address
5.
Layer 2 address
5/25/2017
Page 18
Module 1
Cisco 3 - Classless
Which of the following is a summarization address for the networks
172.21.136.0/24 and 172.21.143.0/24?
1.
172.21.136.0/21
2.
172.21.136.0/20
3.
172.21.136.0/22
4.
172.21.136.0/2
5/25/2017
Page 19
Module 1
Cisco 3 - Classless
Which of the following is a summarization address for the networks
172.21.136.0/24 and 172.21.143.0/24?
1.
172.21.136.0/21
2.
172.21.136.0/20
3.
172.21.136.0/22
4.
172.21.136.0/2
5/25/2017
Page 20
Module 1
Cisco 3 - Classless
An additional subnet is required for a new Ethernet link between Router1 and
Router2 as shown in the diagram. Which of the following subnet addresses
can be configured in this network to provide a maximum of 14 useable
addresses for this link while wasting the fewest addresses?
1.
192.1.1.16/26
2.
192.1.1.96/28
3.
192.1.1.160/28
4.
192.1.1.196/27
5.
192.1.1.224/28
6.
192.1.1.240/28
5/25/2017
Page 21
Module 1
Cisco 3 - Classless
An additional subnet is required for a new Ethernet link between Router1 and
Router2 as shown in the diagram. Which of the following subnet addresses
can be configured in this network to provide a maximum of 14 useable
addresses for this link while wasting the fewest addresses?
1.
192.1.1.16/26
2.
192.1.1.96/28
3.
192.1.1.160/28
4.
192.1.1.196/27
5.
192.1.1.224/28
6.
192.1.1.240/28
5/25/2017
Page 22