The document provides answers to exam questions about CCNA 1 Chapter 9. It includes questions about topics like broadcast domains, subnetting, variable length subnet masking, and IPv4 addressing schemes. The questions have multiple choice answers and cover concepts such as calculating the number of usable addresses in a subnet, determining the appropriate subnet mask to use to create a specified number of subnets of a certain size, and identifying the correct IP configuration including address, subnet mask and default gateway for a host.
Network address translation (NAT) is a method of remapping one IP address space into another by modifying network address information in Internet Protocol (IP) datagram packet headers while they are in transit across a traffic routing device.
An Introduction to the Internet Protocol version 6:
- What is IPv6?
- Why IPv6?
- Where is IPv5?
- IPv6 Features.
- IPv6 Addressing Structure
- Abbreviating IPv6 Addresses
- IPv6 – Address Types (Unicast, multicast and anycast)
- Global Unicast Address
- Link Local Address
- Unique Local Address
- Unspecified Address (::/128)
- Loopback Address (::1/128)
- Multicast(FF00::/8)
This presentation is about Introduction to NAT ie Network Address Translation.This I made for conducting training for my team. As per their feedback they found it good,hence I felt like to share it with others.
Enjoy !!!
Network address translation (NAT) is a method of remapping one IP address space into another by modifying network address information in Internet Protocol (IP) datagram packet headers while they are in transit across a traffic routing device.
An Introduction to the Internet Protocol version 6:
- What is IPv6?
- Why IPv6?
- Where is IPv5?
- IPv6 Features.
- IPv6 Addressing Structure
- Abbreviating IPv6 Addresses
- IPv6 – Address Types (Unicast, multicast and anycast)
- Global Unicast Address
- Link Local Address
- Unique Local Address
- Unspecified Address (::/128)
- Loopback Address (::1/128)
- Multicast(FF00::/8)
This presentation is about Introduction to NAT ie Network Address Translation.This I made for conducting training for my team. As per their feedback they found it good,hence I felt like to share it with others.
Enjoy !!!
Cisco CCNA exam topics are added to a ppt and shard on this ppt. For more details about Networking Fresher jobs, Fresher Networking Jobs and careers visit www.jobvisions.blogspot.in
Here is the presentation for Network Layer Numericals from the book Andrew S. Tanenbaum (Computer Networks) and B A Forouzan ( Data Communication and Networking)
IP Addressing and Subnetting
1. Write the default Masks for the Class A, Class B and Class C IP addresses.
2. How we can distinguish Class A, Class B, Class C, Class D and Class E IP addresses from each other. Write the range of first octet in decimal and Binary for all the 5 IP address classes.
3. Write the default subnet Masks for the following IP addresses:
4. Write down the three available ranges for assigning Private IP addresses recommended by IANA (Internet Assigned Number Authority).
5. A broadcast address is the one that addresses to all the hosts in any network. State that to create a broadcast address, all the bits of network ID portion or all the bits of host ID portion are set to 1? Write down the broadcast addresses of the networks to which the following IP addresses belong, write network addresses and ranges of their valid IP address too. (No subnetting).
6. Subnet Mask or Custom mask tells us that how many bits are used for Subnet ID portion and how many for host ID portion. Identify how many bits are used for sub netting in the following IP address using its subnet mask:
7. Extract the Network Addresses of the given IP addresses in question number 8, using the subnet masks given with them. (Remember that ANDing the IP address with the Mask extracts the network address from the given IP address).
8. Suppose you have a class C Network 208.94.115.0. Your task is to design a subnet scheme so that we can create 16 Network segments (subnets) within this Network. Each subnet should support 10-14 hosts.
9. Suppose you have a class C Network 220.94.115.0. Your task is to design a subnet scheme so that we can create 28 Network segments (subnets) within this Network. Each subnet should support hosts as given below.
• 2 Network Segment support 30 Hosts
• 4 Network Segment support 14 Hosts
• 8 Network Segment support 6 Hosts
• 14 Network Segment support 2 Hosts
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Ethnobotany in herbal drug evaluation,
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Reverse Pharmacology.
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1. ccnav5.org http://ccnav5.org/ccna-1-chapter-9-v5-0-2014-exam-answers/
CCNAV5.Org
CCNAv5.Org
CCNA 1 Chapter 9 v5.0 2014 Exam Answers
CCNA 1 Chapter 9 v5.0 2014 Exam Answers
CCNA 1 Exam 2014
1
Refer to the exhibit.
How many broadcast domains are there?
1
2
3
4*
2
How many usable host addresses are there in the subnet 192.168.1.32/27?
32
30*
64
16
62
3
How many host addresses are available on the network 172.16.128.0 with a subnet mask of 255.255.252.0?
510
512
1022*
1024
2046
2048
4
A network administrator is variably subnetting a network. The smallest subnet has a mask of 255.255.255.248. How
2. many host addresses will this subnet provide?
4
6*
8
10
12
5
Refer to the exhibit.
A company uses the address block of 128.107.0.0/16 for its network. What subnet mask would provide the maximum
number of equal size subnets while providing enough host addresses for each subnet in the exhibit?
255.255.255.0
255.255.255.128*
255.255.255.192
255.255.255.224
255.255.255.240
6
Refer to the exhibit.
3. The network administrator has assigned the LAN of LBMISS an address range of 192.168.10.0. This address range has
been subnetted using a /29 prefix. In order to accommodate a new building, the technician has decided to use the fifth
subnet for configuring the new network (subnet zero is the first subnet). By company policies, the router interface is
always assigned the first usable host address and the workgroup server is given the last usable host address. Which
configuration should be entered into the properties of the workgroup server to allow connectivity to the Internet?
IP address: 192.168.10.65 subnet mask: 255.255.255.240, default gateway: 192.168.10.76
IP address: 192.168.10.38 subnet mask: 255.255.255.240, default gateway: 192.168.10.33
*IP address: 192.168.10.38 subnet mask: 255.255.255.248, default gateway: 192.168.10.33*
IP address: 192.168.10.41 subnet mask: 255.255.255.248, default gateway: 192.168.10.46
IP address: 192.168.10.254 subnet mask: 255.255.255.0, default gateway: 192.168.10.1
7
How many bits must be borrowed from the host portion of an address to accommodate a router with five connected
networks?
two
three*
four
five
8
A company has a network address of 192.168.1.64 with a subnet mask of 255.255.255.192. The company wants to create
two subnetworks that would contain 10 hosts and 18 hosts respectively. Which two networks would achieve that?
(Choose two.)
192.168.1.16/28
192.168.1.64/27*
192.168.1.128/27
192.168.1.96/28*
192.168.1.192/28
9
In a network that uses IPv4, what prefix would best fit a subnet containing 100 hosts?
/23
/24
/25*
/26
10
Refer to the exhibit.
4. Given the network address of 192.168.5.0 and a subnet mask of 255.255.255.224, how many addresses are wasted in
total by subnetting each network with a subnet mask of 255.255.255.224?
56
60
64
68
72*
11
When developing an IP addressing scheme for an enterprise network, which devices are recommended to be grouped
into their own subnet or logical addressing group?
end-user clients
workstation clients
mobile and laptop hosts
hosts accessible from the Internet*
12
A network administrator needs to monitor network traffic to and from servers in a data center. Which features of an IP
addressing scheme should be applied to these devices?
random static addresses to improve security
addresses from different subnets for redundancy
predictable static IP addresses for easier identification*
dynamic addresses to reduce the probability of duplicate addresses
13
Which two reasons generally make DHCP the preferred method of assigning IP addresses to hosts on large networks?
(Choose two.)
It eliminates most address configuration errors.*
It ensures that addresses are only applied to devices that require a permanent address.
It guarantees that every device that needs an address will get one.
It provides an address only to devices that are authorized to be connected to the network.
It reduces the burden on network support staff.*
14
Refer to the exhibit.
5. A computer that is configured with the IPv6 address as shown in the exhibit is unable to access the internet. What is the
problem?
The DNS address is wrong.
There should not be an alternative DNS address.
The gateway address is in the wrong subnet.*
The settings were not validated.
15
When subnetting a /64 IPv6 network prefix, which is the preferred new prefix?
/66
/70
/72*
/74
16
What is the subnet address for the address 2001:DB8:BC15:A:12AB::1/64?
2001:DB8:BC15::0
2001:DB8:BC15:A::0*
2001:DB8:BC15:A:1::1
2001:DB8:BC15:A:12::0
17
Which two notations are useable nibble boundaries when subnetting in IPv6? (Choose two.)
/62
/64*
/66
/68*
/70
18
Fill in the blank.
6. In dotted decimal notation, the IP address “172.25.0.126” is the last host address for the network 172.25.0.64/26.
The binary representation of the network
address 172.25.0.64 is 10101100.00011001.00000000.01000000,
where the last six zeros represent the host part of the address.
The last address on that subnet would have the host part equal to 111111,
and the last host address would end in 111110. This results in a binary
representation of the last host of the IP address as 10101100.00011001.00000000.01111110,
which translates in decimal to 172.25.0.126.
19
Fill in the blank.
In dotted decimal notation, the subnet mask “255.255.254.0” will accommodate 500 hosts per subnet.
If the network has to accommodate 500 hosts per subnet, then we need 9 host bits
(2^9 – 2 = 510 hosts). The Class B subnet mask has 16 bits available and if
we use 9 bits for hosts, we will have 7 network bits remaining.The subnet mask
with 9 host bits is 11111111.11111111.11111110.00000000, which corresponds
to 255.255.254.0.
20
Consider the following range of addresses:
2001:0DB8:BC15:00A0:0000::
2001:0DB8:BC15:00A1:0000::
2001:0DB8:BC15:00A2:0000::
…
2001:0DB8:BC15:00AF:0000::
The prefix for the range of addresses is “60” .
All the addresses have the part 2001:0DB8:BC15:00A
in common. Each number or letter in the address
represents 4 bits, so the prefix is /60.
21
Fill in the blank.
A nibble consists of “ 4” bits.
A nibble is half of a byte or 4 bits. This is significant because
subnetting in IPv6 is usually done on a nibble boundary.
22
Question as presented:
Place the options in the following order:
- not scored -
192.168.1.64/27
- not scored -
192.168.1.32/27
192.168.1.96/27
23
Question as presented:
7. Place the options in the following order:
- not scored -
Network C
- not scored -
Network A
Network D
Network B
24
Open the PT Activity.
Perform the tasks in the activity instructions and then answer the question.
What issue is causing Host A to be unable to communicate with Host B?
8. The subnet mask of host A is incorrect.
Host A has an incorrect default gateway.
Host A and host B are on overlapping subnets.*
The IP address of host B is not in the same subnet as the default gateway is on.