Search results for network / GATE Overflow for GATE CSE

106 votes

11 answers

1

GATE CSE 2015 Set 3 | Question: 36
Two hosts are connected via a packet switch with $10^7$ bits per second links. Each link has a propagation delay of $20$ microseconds. The switch begins forwarding a packet $35$ microseconds after it receives the same. If $10000$ bits of ... between the transmission of the first bit of data and the reception of the last bit of the data in microseconds is ______.

Two hosts are connected via a packet switch with $10^7$ bits per second links. Each link has a propagation delay of $20$ microseconds. The switch begins forwarding a pack...

go_editor

33.0k views

go_editor asked Feb 15, 2015

71 votes

8 answers

2

GATE CSE 2005 | Question: 73
In a packet switching network, packets are routed from source to destination along a single path having two intermediate nodes. If the message size is $24$ bytes and each packet contains a header of $3$ bytes, then the optimum packet size is: $4$ $6$ $7$ $9$

In a packet switching network, packets are routed from source to destination along a single path having two intermediate nodes. If the message size is $24$ bytes and each...

Kathleen

42.6k views

Kathleen asked Sep 22, 2014

38 votes

12 answers

3

GATE CSE 2019 | Question: 29
Suppose that in an IP-over-Ethernet network, a machine X wishes to find the MAC address of another machine Y in its subnet. Which one of the following techniques can be used for this? X sends an ARP request packet to the local gateway' ... packet with broadcast MAC address in its local subnet X sends an ARP request packet with broadcast IP address in its local subnet

Suppose that in an IP-over-Ethernet network, a machine X wishes to find the MAC address of another machine Y in its subnet. Which one of the following techniques can be ...

Arjun

19.5k views

Arjun asked Feb 7, 2019

54 votes

4 answers

4

GATE CSE 2014 Set 2 | Question: 26
Consider the store and forward packet switched network given below. Assume that the bandwidth of each link is $10^6$ bytes / sec. A user on host $A$ sends a file of size $10^3$ bytes to host $B$ through routers $R1$ and $R2$ in three different ways. ... . Which one of the following is CORRECT? $T1<T2<T3$ $T1>T2>T3$ $T2=T3, T3<T1$ $T1=T3, T3> T2$

Consider the store and forward packet switched network given below. Assume that the bandwidth of each link is $10^6$ bytes / sec. A user on host $A$ sends a file of size ...

go_editor

19.2k views

go_editor asked Sep 28, 2014

51 votes

6 answers

5

GATE IT 2004 | Question: 87
A TCP message consisting of $2100$ $bytes$ is passed to IP for delivery across two networks. The first network can carry a maximum payload of $1200$ $bytes$ per frame and the second network can carry a maximum payload of $400$ $bytes$ per frame, excluding ... second network for this transmission? $\text{40 bytes}$ $\text{80 bytes}$ $\text{120 bytes}$ $\text{160 bytes}$

A TCP message consisting of $2100$ $bytes$ is passed to IP for delivery across two networks. The first network can carry a maximum payload of $1200$ $bytes$ per frame an...

Ishrat Jahan

19.4k views

Ishrat Jahan asked Nov 2, 2014

49 votes

7 answers

6

GATE IT 2006 | Question: 67
A link of capacity $100$ $\text{Mbps}$ is carrying traffic from a number of sources. Each source generates an on-off traffic stream; when the source is on, the rate of traffic is $10$ $\text{Mbps}$, and when the source is off, the rate of traffic is zero. The duty cycle, which ... $\text{and}$ $30$ $12$ $\text{and}$ $25$ $5$ $\text{and}$ $33$ $15$ $\text{and}$ $22$

A link of capacity $100$ $\text{Mbps}$ is carrying traffic from a number of sources. Each source generates an on-off traffic stream; when the source is on, the rate of tr...

Ishrat Jahan

11.2k views

Ishrat Jahan asked Nov 1, 2014

39 votes

12 answers

7

GATE CSE 2017 Set 1 | Question: 44
In a RSA cryptosystem, a participant $A$ uses two prime numbers $p = 13$ and $q = 17$ to generate her public and private keys. If the public key of $A$ is $35$, then the private key of $A$ is __________ .

In a RSA cryptosystem, a participant $A$ uses two prime numbers $p = 13$ and $q = 17$ to generate her public and private keys. If the public key of $A$ is $35$, then the ...

Arjun

23.9k views

Arjun asked Feb 14, 2017

34 votes

6 answers

8

GATE CSE 2016 Set 1 | Question: 24
Which one of the following protocols is NOT used to resolve one form of address to another one? $\textsf{DNS}$ $\textsf{ARP}$ $\textsf{DHCP}$ $\textsf{RARP}$

Which one of the following protocols is NOT used to resolve one form of address to another one?$\textsf{DNS}$$\textsf{ARP}$$\textsf{DHCP}$$\textsf{RARP}$

Sandeep Singh

18.3k views

Sandeep Singh asked Feb 12, 2016

26 votes

3 answers

9

GATE IT 2004 | Question: 80
In a data link protocol, the frame delimiter flag is given by $0111$. Assuming that bit stuffing is employed, the transmitter sends the data sequence $01110110$ as $01101011$ $011010110$ $011101100$ $0110101100$

In a data link protocol, the frame delimiter flag is given by $0111$. Assuming that bit stuffing is employed, the transmitter sends the data sequence $01110110$ as$011010...

Ishrat Jahan

10.1k views

Ishrat Jahan asked Nov 2, 2014

14 votes

2 answers

10

GATE CSE 2021 Set 1 | Question: 49
Consider the sliding window flow-control protocol operating between a sender and a receiver over a full-duplex error-free link. Assume the following: The time taken for processing the data frame by the receiver is negligible. The time taken for ... number of frames, (rounded to the nearest integer) needed to achieve a link utilization of $50\%$ is_____________.

Consider the sliding window flow-control protocol operating between a sender and a receiver over a full-duplex error-free link. Assume the following:The time taken for pr...

Arjun

13.5k views

Arjun asked Feb 18, 2021

0 votes

1 answer

11

Network Addressing
What is the Network ID for the network denoted by 192.168.242.5/20? a)192.168.242.0 b)192.168.240.0 c)192.168.226.0 d)192.168.192.0

What is the Network ID for the network denoted by 192.168.242.5/20? a)192.168.242.0b)192.168.240.0c)192.168.226.0d)192.168.192.0

Ayankahn

47 views

Ayankahn asked 4 days ago

4 votes

0 answers

12

GO Classes Test Series 2024 | Mock GATE | Test 12 | Question: 11
Host $\text{A}$ and $\text{B}$ are behind different NATs. $\text{A's}$ private IP address is $192.168.1.11,$ and $\text{B's}$ private IP is $10.1.1.12.$ The public IP of the NAT box connected to $\text{A}$ is $4.3.2.1$ and ... destination IP address in the packet leaving $\text{A}?$ $4.3.2.1$ $2.2.2.2$ $10.1.1.12$ $1.2.3.4$

Host $\text{A}$ and $\text{B}$ are behind different NATs. $\text{A's}$ private IP address is $192.168.1.11,$ and $\text{B's}$ private IP is $10.1.1.12.$ The public IP of ...

GO Classes

532 views

GO Classes asked Jan 21

1 votes

1 answer

13

ISRO 2024
CAPTCHA is used to provide protection from Zero day attack Buffer Overflow Automated scripted attack Man in the middle attack

CAPTCHA is used to provide protection fromZero day attackBuffer OverflowAutomated scripted attackMan in the middle attack

Ramayya

300 views

Ramayya asked Jan 7

0 votes

0 answers

14

Andrew S. Tanenbaum Edition 5th Chapter 5 Question 35 (Page No. 493)
You have just explained the ARP protocol to a friend. When you are all done, he says: ‘‘I’ve got it. ARP provides a service to the network layer, so it is part of the data link layer.’’ What do you say to him?

You have just explained the ARP protocol to a friend. When you are all done, he says: ‘‘I’ve got it. ARP provides a service to the network layer, so it is part of t...

kalamar

105 views

kalamar asked Jan 3

0 votes

0 answers

15

Can anyone provide a list of frequently asked protocols wrt various layers of OSI model, or an authentic source from where I can get the list for the same.

tishhaagrawal

163 views

tishhaagrawal asked Dec 12, 2023

1 votes

2 answers

16

#ACE acedmy test series
In a host size for PDU of network layer is 17076 bytes, MTU size for that network is 200 bytes and IPv4 header size is 20 bytes .find number of IP fragments

In a host size for PDU of network layer is 17076 bytes, MTU size for that network is 200 bytes and IPv4 header size is 20 bytes .find number of IP fragments

amit166

482 views

amit166 asked Jan 5, 2023

8 votes

2 answers

17

GATE Overflow Test Series | Mock GATE | Test 1 | Question: 36
Two nodes, $A$ and $B$, communicate through a store and forward network. Node $A$ is connected to the network by a $100$ Mbps link, while node $B$ is connected by a $500$ Mbps link. Node $A$ ... a node is defined as the time when the last bit of the packet has arrived at that node. $1$ $2$ $5$ $10$

Two nodes, $A$ and $B$, communicate through a store and forward network. Node $A$ is connected to the network by a $100$ Mbps link, while node $B$ is connected by a $500$...

gatecse

964 views

gatecse asked Jan 3, 2021

0 votes

0 answers

18

Message switching
What is the formula for total time in message switching

What is the formula for total time in message switching

Ray Tomlinson

207 views

Ray Tomlinson asked Jul 30, 2023

2 votes

2 answers

19

Subnets
Given an IP address 156.233.42.56 with a subnet mask of 7 bits. How many hosts and Subnets are Possible ? 126 hosts and 510 subnet 128 host and 512 subnet 510 hosts and 126 subnet 512 hosts and 128 Subnet

Given an IP address 156.233.42.56 with a subnet mask of 7 bits. How many hosts and Subnets are Possible ?126 hosts and 510 subnet128 host and 512 subnet510 hosts and 126 ...

Na462

2.5k views

Na462 asked Dec 4, 2018

42 votes

3 answers

20

GATE CSE 2011 | Question: 2
A layer-$4$ firewall (a device that can look at all protocol headers up to the transport layer) CANNOT block entire $\text{HTTP}$ traffic during $9:00PM$ and $5:00AM$ block all $\text{ICMP}$ traffic stop incoming traffic from specific $\text{IP}$ ... same IP address block $\text{TCP}$ traffic from a specific user on a multi-user system during $9:00PM$ to $5:00AM$

A layer-$4$ firewall (a device that can look at all protocol headers up to the transport layer) CANNOTblock entire $\text{HTTP}$ traffic during $9:00PM$ and $5:00AM$block...

go_editor

17.0k views

go_editor asked Sep 29, 2014

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