Networking IP Address

Q1➡ | GATE 2020
An organization requires a range of IP addresses to assign one to each of its 1500 computers. The organization has approached an Internet Service Provider (ISP) for this task. The ISP uses CIDR and serves the requests from the available IP address space 202.61.0.0/17. The ISP wants to assign an address space to the organization which will minimize the number of routing entries in the ISP’s router using route aggregation. Which of the following address spaces are potential candidates from which the ISP can allot any one to the organization?
I. 202.61.84.0/21
II. 202.61.104.0/21
III. 202.61.64.0/21
IV. 202.61.144.0/21
i ➥ I and II only
ii ➥ III and IV only
iii ➥ II and III only
iv ➥ I and IV only

Show Answer With Best Explanation

Answer: III
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q2➡ | GATE 2019
Consider three machines M, N and P with IP addresses 100.10.5.2, 100.10.5.5, and 100.10.5.6 respectively. The subnet mask is set to 255.255.255.252 for all the three machines. Which one of the following is true?
i ➥ M, N, and P all belong to the same subnet
ii ➥ Only M and N belong to the same subnet
iii ➥ M, N and P belong to three different subnets
iv ➥ Only N and P belong to the same subnet

Show Answer With Best Explanation

Answer: IV
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q3➡ | GATE 2010
Suppose computers A and B have IP addresses 10.105.1.113 and 10.105.1.91 respectively and they both use the same net mask N. Which of the values of N given below should not be used if A and B should belong to the same network?
i ➥ 255.255.255.0
ii ➥ 255.255.255.128
iii ➥ 255.255.255.192
iv ➥ 255.255.255.224

Show Answer With Best Explanation

Answer: IV
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q4➡ | GATE 2008
The host X has IP address 192.168.1.97 and is connected through two routers R1 and R2 to another host Y with IP address 192.168.1.80. Router R1 has IP addresses 192.168.1.135 and 192.168.1.110. R2 has IP addresses 192.168.1.67 and 192.168.1.155. The netmask used in the network is 255.255.255.224. Given the information above, how many distinct subnets are guaranteed to already exist in the network?
i ➥ 1
ii ➥ 2
iii ➥ 3
iv ➥ 6

Show Answer With Best Explanation

Answer: III
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q5➡ | GATE 2008
If a class B network on the Internet has a subnet mask of 255.255.248.0, what is the maximum number of hosts per subnet?
i ➥ 1012
ii ➥ 1023
iii ➥ 2046
iv ➥ 2047

Show Answer With Best Explanation

Answer: III
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q6➡ | GATE 2007
The address of a class B host is to be split into subnets with a 6-bit subnet number. What is the maximum number of subnets and the maximum number of hosts in each subnet?
i ➥ 62 subnets and 262142 hosts.
ii ➥ 64 subnets and 262142 hosts.
iii ➥ 62 subnets and 1022 hosts.
iv ➥ 64 subnets and 1024 hosts.

Show Answer With Best Explanation

Answer: III
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q7➡ |
A subnetted Class B network has the following broadcast address: 144.16.95.255. Its subnet mask
i ➥ is necessarily 255.255.224.0
ii ➥ is necessarily 255.255.240.0
iii ➥ is necessarily 255.255.248.0
iv ➥ could be any one of 255.255.224.0, 255.255.240.0, 255.255.248.0

Show Answer With Best Explanation

Answer: IV
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q8➡ | GATE 2006
router uses the following routing table:

A packet bearing a destination address 144.16.68.117 arrives at the router. On which interface will it be forwarded?
i ➥ Ethernet-2
ii ➥ Ethernet-3
iii ➥ Ethernet-0
iv ➥ Ethernet-1

Show Answer With Best Explanation

Answer: I
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q9➡ | GATE 2006
Two computers C1 and C2 are configured as follows. C1 has IP address 203.197.2.53 and netmask 255.255.128.0. C2 has IP address 203.197.75.201 and netmask 255.255.192.0. Which one of the following statements is true?
i ➥ C1 and C2 both assume they are on the same network
ii ➥ C2 assumes C1 is on same network, but C1 assumes C2 is on a different network
iii ➥ C1 assumes C2 is on same network, but C2 assumes C1 is on a different network
iv ➥ C1 and C2 both assume they are on different networks

Show Answer With Best Explanation

Answer: III
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q10➡ | GATE 2005 CIL
An organization has a class B network and wishes to form subnets for 64 departments. The subnet mask would be:
i ➥ 255.255.0.0
ii ➥ 255.255.64.0
iii ➥ 255.255.128.0
iv ➥ 255.255.252.0

Show Answer With Best Explanation

Answer: IV
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q11➡ | GATE 2003
The subnet mask for a particular network is 255.255.31.0. Which of the following pairs of IP addresses could belong to this network?
i ➥ 172.57.88.62 and 172.56.87.233
ii ➥ 10.35.28.2 and 10.35.29.4
iii ➥ 191.203.31.87 and 191.234.31.88
iv ➥ 128.8.129.43 and 128.8.161.55

Show Answer With Best Explanation

Answer: IV
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q12➡ | NTA UGC NET June 2019
What percentage(%) of the IPv4, IP address space do all class C addresses consume?
i ➥ 12.5%
ii ➥ 25%
iii ➥ 37.5%
iv ➥ 50%

Show Answer With Best Explanation

Answer: I
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q13➡ | NTA UGC NET June 2019
What is the name of the protocol that allows a client to send a broadcast message with its MAC address and receive an IP address in reply?
i ➥ ARP
ii ➥ DNS
iii ➥ RARP
iv ➥ ICMP

Show Answer With Best Explanation

Answer: III
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q14➡ | NTA UGC NET June 2019
Consider the following two statements with respect to IPv4 in computer networking:
P: The loopback(IP) address is a member of class B network
Q: The loopback(IP) address is used to send a packet from host to itself
What can you say about the statements P and Q?
i ➥ P-True: Q-False
ii ➥ P-False; Q-True
iii ➥ P-True; Q-True
iv ➥ P-False; Q-false

Show Answer With Best Explanation

Answer: II
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q15➡ | NTA UGC NET June 2019
You need 500 subnets, each with about 100 usable host addresses per subnet. What network mass will you assign using a class B network address?
i ➥ 255.255.255.252
ii ➥ 255.255.255.128
iii ➥ 255.255.255.0
iv ➥ 255.255.254.0

Show Answer With Best Explanation

Answer: II
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q16➡ | NTA UGC NET DEC 2019
Which of the following class of IP address has the last address as 223.255.255.255?
i ➥ Class A
ii ➥ Class B
iii ➥ Class C
iv ➥ Class D

Show Answer With Best Explanation

Answer: III
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q17➡ | GATE 2012 NTA UGC NET December 2018
An internet service provider (ISP) has following chunk of CIDR-based IP addresses available with it: 245.248.128.0/20 . The ISP want to give half of this chunk of addresses to organization A and a quarter to Organization B while retaining the remaining with itself. Which of the following is a valid allocation of addresses to A and B?
i ➥ 245.248.132.0/22 and 245.248.132.0/21
ii ➥ 245.248.136.0/21 and 245.248.128.0/22
iii ➥ 245.248.136.0/24 and 245.248.132.0/21
iv ➥ 245.248.128.0/21 and 245.248.128.0/22

Show Answer With Best Explanation

Answer: II
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q18➡ | NTA UGC NET December 2018
The four byte IP Address consists of
i ➥ Neither network nor Host Address
ii ➥ Network Address
iii ➥ Both Network and Host Address
iv ➥ Host Address

Show Answer With Best Explanation

Answer: III
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q19➡ | NET Dec 2014
In a classful addressing, first four bits in Class-A IP address is
i ➥ 1010
ii ➥ 1100
iii ➥ 1011
iv ➥ None of these

Show Answer With Best Explanation

Answer: IV
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q20➡ | NET 2014
Which of the following is used in the options field of IPv4 ?
i ➥ Strict source routing
ii ➥ Loose source routing
iii ➥ Time stamp
iv ➥ All of the above

Show Answer With Best Explanation

Answer: IV
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q21➡ |
A network on the Internet has a subnet mask of 255.255.240.0. What is the maximum number of hosts it can handle ?
i ➥ 1024
ii ➥ 2048
iii ➥ 4096
iv ➥ None of the above

Show Answer With Best Explanation

Answer: IV
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q22➡ |
In classful addressing, a large part of the available addresses are ______.
i ➥ Dispersed
ii ➥ Blocked
iii ➥ Wasted
iv ➥ Reserved

Show Answer With Best Explanation

Answer: III
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q23➡ |
IP addresses are generally written in the dotted-decimal notation. Given the IP address in binary is

1000000010000 1 1 10100010000000101

Using dotted decimal notation it is written as
i ➥ 100.000001.00001.100
ii ➥ 80.87.66.05
iii ➥ 135.128.68.5
iv ➥ 128.135.68.5

Show Answer With Best Explanation

Answer: IV
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q24➡ |
If a host has an IP address 201.40.67.31/25, what are the network ID and broadcast address of the network to which this host belongs:
i ➥ 201.40.67.31, 201.40.67.63
ii ➥ 201.40.67.0, 201.40.67.255
iii ➥ 201.40.67.0, 201.40.67.63
iv ➥ None of the above

Show Answer With Best Explanation

Answer: IV
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q25➡ |
Two systems S1 and S2 are configured with the following IP address:

S1: 203.197.2.53; netmask 255.255.128.0
S2: 203.197.75.201; netmask 255.255.192.0

Which one of the following statements is true?
i ➥ S1 assumes S2 is on same network, but S2 assumes S1 is on a different network
ii ➥ S2 assumes S1 is on same network, but S1 assumes S2 is on a different network
iii ➥ S1 and S2 both assume they are on the same network
iv ➥ S1 and S2 both assume they are on different networks

Show Answer With Best Explanation

Answer: I
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q26➡ |
How many host interfaces may be addressed in the subnet 123.224.00.00/11?
i ➥ 2,097,150
ii ➥ 1,000,192
iii ➥ 2048
iv ➥ 2,097,152

Show Answer With Best Explanation

Answer: I
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q27➡ |
__________ is used to obtain the IP address of a host based on its physical address.
i ➥ RARP
ii ➥ IPV6
iii ➥ TFTP
iv ➥ TELNET

Show Answer With Best Explanation

Answer: I
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q28➡ |
If an IP address starts with a bit sequence of 11110, it is a class _______ address.
i ➥ B
ii ➥ C
iii ➥ D
iv ➥ E

Show Answer With Best Explanation

Answer: IV
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q29➡ |
In IPV4, using the classful addressing scheme, the whole address space is divided into how many classes:
i ➥ 16
ii ➥ 5
iii ➥ 8
iv ➥ 24

Show Answer With Best Explanation

Answer: II
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q30➡ |
In which kind of communication, the destination address in each packet is the same for all duplicate?
i ➥ Unicasting
ii ➥ Multiple unicasting
iii ➥ Broad casting
iv ➥ Multicasting

Show Answer With Best Explanation

Answer: III
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q31➡ |
Which of the following are not valid IPV4 addresses?
i ➥ 192.10.14.3
ii ➥ 10.34.110.77
iii ➥ 200.172.287.33
iv ➥ 65.92.11.00

Show Answer With Best Explanation

Answer: III
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q32➡ |
IP address range for E class network is
i ➥ 1.0.0.0 to 127.0.0.0
ii ➥ 128.0.0.0 to 191.255.0.0
iii ➥ 224.0.0.0 to 139.255.255.0
iv ➥ 240.0.0.0 to 255.255.255.255

Show Answer With Best Explanation

Answer: IV
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q33➡ | ISRO 2020
Which of the following classes of languages can validate an IPv4 address in dotted decimal format? It is to be ensured that the decimal values lie between 0 and 255.
i ➥ RE and higher
ii ➥ CFG and higher
iii ➥ CSG and higher
iv ➥ Recursively enumerable language

Show Answer With Best Explanation

Answer: I
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q34➡ |
Which network protocol allows hosts to dynamically get a unique IP number on each bootup
i ➥ DHCP
ii ➥ BOOTP
iii ➥ RARP
iv ➥ ARP

Show Answer With Best Explanation

Answer: I
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q35➡ |
The subnet mask for a particular network is 255.255.31.0. Which of the following pairs of IP addresses could belong to this network?
i ➥ 172.57.88.62 and 172.56.87.23
ii ➥ 10.35.28.2 and 10.35.29.4
iii ➥ 191.203.31.87 and 191.234.31.88
iv ➥ 128.8.129.43 and 128.8.161.55

Show Answer With Best Explanation

Answer: IV
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q36➡ |
The DNS maps the IP address to
i ➥ A binary address as strings
ii ➥ An alphanumeric address
iii ➥ A hierarchy of domain names
iv ➥ A hexadecimal address

Show Answer With Best Explanation

Answer: III
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q37➡ |
In a class B subnet, we know the IP address of one host and the mask as given below:
IP address: 125.134.112.66
Mask: 255.255.224.0
What is the first address(Network address)?
i ➥ 125.134.96.0
ii ➥ 125.134.112.0
iii ➥ 125.134.112.66
iv ➥ 125.134.0.0

Show Answer With Best Explanation

Answer: I
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q38➡ | ISRO CS 2014
The process of modifying IP address information in IP packet headers while in transit across a traffic routing device is called
i ➥ Port address translation (PAT)
ii ➥ Network address translation (NAT)
iii ➥ Address mapping
iv ➥ Port mapping

Show Answer With Best Explanation

Answer: II
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q39➡ |
An organization is granted the block 130.34.12.64/26. It needs to have 4 subnets. Which of the following is not an address of this organization?
i ➥ 130.34.12.124
ii ➥ 130.34.12.89
iii ➥ 130.34.12.70
iv ➥ 130.34.12.132

Show Answer With Best Explanation

Answer: IV
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q40➡ |
A supernet has a first address of 205.16.32.0 and a supernet mask of 255.255.248.0. A router receives 4 packets with the following destination addresses. Which packet belongs to this supernet?
i ➥ 205.16.42.56
ii ➥ 205.17.32.76
iii ➥ 205.16.31.10
iv ➥ 205.16.39.44

Show Answer With Best Explanation

Answer: IV
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q41➡ |
What is IP class and number of sub-networks if the subnet mask is 255.224.0.0?
i ➥ Class A, 3
ii ➥ Class A, 8
iii ➥ Class B, 3
iv ➥ Class B,32

Show Answer With Best Explanation

Answer: II
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q42➡ | CIL 2020
Consider the classful addressing, the IP address 128.252.144.84 denotes:
i ➥ 0.0.0.0 as network ID and 128.252.252.84 as node ID
ii ➥ 128.0.0.0 as network ID and 128.252.127.84 as node ID
iii ➥ 128.252.144.0 as network ID and 128.252.144.84 as node ID
iv ➥ 128.252.0.0 as network ID and 128.252.144.84 as node ID

Show Answer With Best Explanation

Answer: IV
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q43➡ |
An organization has a Class B network and wishes to form subnets for 60 departments. The subnet mask would be:
i ➥ 255.255.64.0
ii ➥ 255.255.0.0
iii ➥ 255.255.252.0
iv ➥ 255.255.255.0

Show Answer With Best Explanation

Answer: III
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q44➡ | CIL 2014
A block of addresses is granted to a small organization, If one of the addresses is 210.32.64.79/26, then what will be the values of the following?

(i) First address

(ii) Last address

(iii) Total number of addresses
i ➥ (i) 210.32.64.64, (ii) 210.32.64.127, (iii)64
ii ➥ (i) 210.32.64.64, (ii) 210.32.64.255, (iii)32
iii ➥ (i) 210.32.64.79, (ii) 210.32.64.255, (iii)64
iv ➥ (i) 210.32.64.64, (ii) 210.32.64.79, (iii)128

Show Answer With Best Explanation

Answer: I
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q45➡ | GATE 2012
In the IPv-4 addressing format, the number of networks allowed under Class C addresses is
i ➥ 214
ii ➥ 221
iii ➥ 27
iv ➥ 224

Show Answer With Best Explanation

Answer: II
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Q46➡ |
Which protocol will be used to automate the IP configuration mechanism which includes IP address, subnet mask, default gateway, and DNS information?
i ➥ SMTP
ii ➥ DHCP
iii ➥ ARP
iv ➥ TCP/IP

Show Answer With Best Explanation

Answer: II
Explanation: Upload Soon

More DiscussionExplanation On YouTubeLearn Topic WiseHelp-Line

Leave a Comment

Your email address will not be published.

error: Content is protected !!
Open chat
1
Hi,how Can We Help You ?