CCNA IP Addressing/VLSM

CCNA IP Addressing/VLSM --- 19 Questions

Question 1

Refer to the exhibit ?

Host A pings S0/0 on router 3. What is the TTL value for that ping ?

A) 252

B) 253

C) 254

D) 255

Question 2

Which command can be used from a PC to verify the connectivity between hosts that connect through a switch in the same LAN?

A) ping address

B) tracert address

C) traceroute address

D) arp address

Question 3

An administrator must assign static IP addresses to the server in a network.

For network 192.168.20.24/29, the router is assigned the first usable address while the sales server is given the last usable host address

Which of the following should be entered into IP properties box for the sales server?

A) IP address: 192.168.20.14
        Subnet Mask:255.255.255.248
        Default Gateway:192.168.20.9

B) IP address: 192.168.20.254
        Subnet Mask:255.255.255.0
        Default Gateway:192.168.20.1

C) IP address: 192.168.20.30
        Subnet Mask:255.255.255.248
        Default Gateway:192.168.20.25

D) IP address: 192.168.20.30
        Subnet Mask:255.255.255.240
        Default Gateway:192.168.20.17

E) IP address: 192.168.20.30
        Subnet Mask:255.255.255.240
        Default Gateway:192.168.20.25

Question 4

Which subnet mask would be appropriate for a network address range to be submitted for upto eight LAN's, with each LAN containing 5 to 26 hosts?

A) 0.0.0.240

B) 255.255.255.252

C) 255.255.255.0

D) 255.255.255.224

E) 255.255.255.240

Question 5

A national retail chain need to design an IP addressing scheme to support a nationwide network

The company needs a minimum of 300 sub-networks and a maximum of 50 host addresses per subnet.

Working with only one Class B address, which of the following subnet masks will support an appropriate addressing scheme? (Choose two)

A) 255.255.255.0.

B) 255.255.255.128

C) 255.255.252.0.

D) 255.255.255.224

E) 255.255.255.192

F) 255.255.248.0

Question 6

When a DHCP server is configured, which two IP addresses should never be assignable to hosts? (Choose two)

A) network or subnetwork IP address

B) broadcast address on the network

C) IP address leased to the LAN

D) IP address used by the interfaces

E) manually assigned address to the clients

D) designated IP address to the DHCP server

Question 7

What will happen if a private IP address is assigned to a public interface connected to an ISP?

A) Addresses in a private range will be not routed on the internet backbone

B) Only the ISP router will have the capability to access the public network

C) The NAT process will be used to translate this address in a valid IP address

D) Several automated methods will be necessary on the private network

E) A conflict of IP addresses happens, because other public routers can use the same range.

Question 8

Refer to the exhibit.
An administrator pings the default gateway at 10.10.10.1 and sees the output as shown. At which OSI layer is the problem?

A) data link layer

B) application layer

C) access layer

D) session layer

E) network layer

Question 9

Refer to the exhibit.A new subnet with 60 hosts has been added to the network.
Which subnet address should this network use to provide enough usable addresses while wasting the fewes addresses?

A) 192.168.1.56/27

B) 192.168.1.64/26

C) 192.168.1.64/27

D) 192.168.1.56/26

Question 10

Refer to the exhibit.
All of the routers in the network are configured with the ip bunet-zero command.
Which network addresses should be used for Link A and Network A? (Choose two)

A) Network A - 172.16.3.48/26

B) Network A - 172.16.3.128/25

C) Network A - 172.16.3.192/26

D) Link A - 172.16.3.0/30

E) Link A - 172.16.3.40/30

F) Link A - 172.16.3.112/30

Question 11

Refer to the exhibit.Which subnet mask will place all hosts on Network B in the same subnet with the least amount of wasted addresses?

A) 255.255.255.0

B) 255.255.254.0

C) 255.255.252.0

D) 255.255.248.0

Question 12

Refer to the exhibit.What is the most appropriate summarization for these routes?

A) 10.0.0.0/21

B) 10.0.0.0/22

C) 10.0.0.0/23

D) 10.0.0.0/24

Question 13

Given an IP address 172.16.28.252 with a subnet mask of 255.255.240.0, what is the correct network address?

A) 172.16.16.0

B) 172.16.24.0

C) 172.16.0.0

D) 172.16.28.0

Question 14

You are working in a data center environment and are assigned the address range 10.188.31.0/23.
You are asked to develop an IP addressing plan to allow the maximum number of subnets with as many as 30 hosts each.
Which IP address range meets these requirements?

A) 10.188.31.0/27

B) 10.188.31.0/26

C) 10.188.31.0/29

D) 10.188.31.0/28

E) 10.188.31.0/25

Question 15

The network administrator needs to address seven LAN's. RIP version 1 is the only routing protocol in use on the network and subnet 0 is not being used.
What is the maximum number of usable IP addresses that can be supported on each LAN if the organization is uring on class C address block?

A) 8

B) 6

C) 30

D) 32

E) 14

F) 16

Question 16

Refer to the exhibit. The networks connected to router R2 have been summarized as a 192.168.176.0/21 route and sent to R1. Which two packet destination addresses will R1 forward to R2? (Choose two)

A) 192.168.194.160

B) 192.168.183.41

C) 192.168.159.2

D) 192.168.183.255

E) 192.168.179.4

F) 192.168.184.45

Question 17

Which ip address would a network technician ping on the local host, to test the ip stack?

A) 224.0.0.9

B) 224.0.0.5

C) 127.0.0.1

D) 255.255.255.255

Question 18

How many subnets can be gained by subnetting 172.17.32.0/23 into a /27 mask, and how many usable host addresses will there be per subnet?

A) 8 subnets, 31 hosts

B) 8 subnets, 32 hosts

C) 16 subnets, 30 hosts

D) 16 subnets, 32 hosts

E) A Class B address can't be subnetted into the fourth octet

Question 19

The network administrator has asked you to check the status of the workstation's IP stack by pinging the loopback address. Which address would you ping to perform this task?

A) 10.1.1.1

B) 127.0.0.1

C) 192.168.0.1

D) 239.1.1.1