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Search results for computer-networks
8
votes
4
answers
41
GATE CSE 2023 | Question: 55
The forwarding table of a router is shown below. ... to a destination address $200.150 .68 .118$ arrives at the router. It will be forwarded to the interface with $\text{ID}$ __________.
The forwarding table of a router is shown below.$$\begin{array}{|l|l|c|}\hline \textbf{Subnet Number} & \textbf{Subnet Mask} & \textbf{Interface ID} \\\hline 200.150 .0 ....
admin
12.2k
views
admin
asked
Feb 15, 2023
Computer Networks
gatecse-2023
computer-networks
subnetting
numerical-answers
2-marks
+
–
38
votes
12
answers
42
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
19.4k
views
Arjun
asked
Feb 7, 2019
Computer Networks
gatecse-2019
computer-networks
network-protocols
2-marks
+
–
13
votes
2
answers
43
GATE CSE 2023 | Question: 42
Suppose in a web browser, you click on the $\textsf{www. gate-2023.in}\; \text{URL}$. The browser cache is empty. The $\text{IP address}$ for this $\text{URL}$ is not cached in your local host, so a $\text{DNS}$ lookup is triggered (by the ... $5$ parallel $\text{TCP}$ connections. $6\; \text{RTT}$s, in case of persistent $\text{HTTP}$ with pipelining.
Suppose in a web browser, you click on the $\textsf{www. gate-2023.in}\; \text{URL}$. The browser cache is empty. The $\text{IP address}$ for this $\text{URL}$ is not cac...
admin
10.9k
views
admin
asked
Feb 15, 2023
Computer Networks
gatecse-2023
computer-networks
ip-address
multiple-selects
2-marks
+
–
47
votes
6
answers
44
GATE CSE 2003 | Question: 27
Which of the following assertions is FALSE about the Internet Protocol (IP)? It is possible for a computer to have multiple IP addresses IP packets from the same source to the same destination can take different routes in the network IP ensures that a ... set the route of an outgoing packets; the route is determined only by the routing tables in the routers on the way
Which of the following assertions is FALSE about the Internet Protocol (IP)?It is possible for a computer to have multiple IP addressesIP packets from the same source to ...
Kathleen
16.3k
views
Kathleen
asked
Sep 16, 2014
Computer Networks
gatecse-2003
computer-networks
ip-addressing
normal
+
–
12
votes
5
answers
45
GATE CSE 2023 | Question: 40
Suppose you are asked to design a new reliable byte-stream transport protocol like $\text{TCP}.$ This protocol, named $\textsf{myTCP}$, runs over a $100 \mathrm{~Mbps}$ network with Round Trip Time of $150$ ... lengths of the Sequence Number field in the $\textsf{myTCP}$ header? $30$ bits $32$ bits $34$ bits $36$ bits
Suppose you are asked to design a new reliable byte-stream transport protocol like $\text{TCP}.$ This protocol, named $\textsf{myTCP}$, runs over a $100 \mathrm{~Mbps}$ n...
admin
9.8k
views
admin
asked
Feb 15, 2023
Computer Networks
gatecse-2023
computer-networks
tcp
multiple-selects
2-marks
+
–
54
votes
4
answers
46
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
Computer Networks
gatecse-2014-set2
computer-networks
network-switching
normal
+
–
51
votes
6
answers
47
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
Computer Networks
gateit-2004
computer-networks
network-flow
normal
+
–
22
votes
3
answers
48
GATE CSE 2022 | Question: 12
Consider an enterprise network with two Ethernet segments, a web server and a firewall, connected via three routers as shown below. What is the number of subnets inside the enterprise network? $3$ $12$ $6$ $8$
Consider an enterprise network with two Ethernet segments, a web server and a firewall, connected via three routers as shown below.What is the number of subnets inside th...
Arjun
14.4k
views
Arjun
asked
Feb 15, 2022
Computer Networks
gatecse-2022
computer-networks
ethernet
1-mark
+
–
16
votes
4
answers
49
GATE CSE 2022 | Question: 25
Consider the resolution of the domain name $\textsf{www.gate.org.in}$ by a $\text{DNS}$ resolver. Assume that no resource records are cached anywhere across the $\text{DNS}$ servers and that iterative query mechanism is used in the resolution. The number of $\text{DNS}$ query-response pairs involved in completely resolving the domain name is ________________.
Consider the resolution of the domain name $\textsf{www.gate.org.in}$ by a $\text{DNS}$ resolver. Assume that no resource records are cached anywhere across the $\text{DN...
Arjun
11.3k
views
Arjun
asked
Feb 15, 2022
Computer Networks
gatecse-2022
numerical-answers
computer-networks
1-mark
+
–
52
votes
6
answers
50
GATE CSE 2016 Set 2 | Question: 55
Consider a $128 \times 10^3$ bits/second satellite communication link with one way propagation delay of $150$ milliseconds. Selective retransmission (repeat) protocol is used on this link to send data with a frame size of $1$ kilobyte ... acknowledgement. The minimum number of bits required for the sequence number field to achieve $100 \%$ utilization is ________.
Consider a $128 \times 10^3$ bits/second satellite communication link with one way propagation delay of $150$ milliseconds. Selective retransmission (repeat) protocol is ...
Akash Kanase
22.5k
views
Akash Kanase
asked
Feb 12, 2016
Computer Networks
gatecse-2016-set2
computer-networks
sliding-window
normal
numerical-answers
+
–
41
votes
7
answers
51
GATE CSE 2017 Set 1 | Question: 14
Consider a TCP client and a TCP server running on two different machines. After completing data transfer, the TCP client calls close to terminate the connection and a FIN segment is sent to the TCP server. Server-side TCP responds by sending an ACK, which is ... TCP connection wait for the FIN from the server-side TCP? LAST-ACK TIME-WAIT FIN-WAIT-$1$ FIN-WAIT-$2$
Consider a TCP client and a TCP server running on two different machines. After completing data transfer, the TCP client calls close to terminate the connection and a FIN...
yg92
13.9k
views
yg92
asked
Feb 14, 2017
Computer Networks
gatecse-2017-set1
computer-networks
tcp
+
–
37
votes
8
answers
52
GATE CSE 2008 | Question: 14, ISRO2016-74
What is the maximum size of data that the application layer can pass on to the TCP layer below? Any size $2^{16}$ bytes - size of TCP header $2^{16}$ bytes $1500$ bytes
What is the maximum size of data that the application layer can pass on to the TCP layer below?Any size$2^{16}$ bytes - size of TCP header$2^{16}$ bytes$1500$ bytes
Kathleen
17.8k
views
Kathleen
asked
Sep 11, 2014
Computer Networks
gatecse-2008
easy
computer-networks
application-layer-protocols
isro2016
+
–
61
votes
10
answers
53
GATE IT 2004 | Question: 88
Suppose that the maximum transmit window size for a TCP connection is $12000$ $\text{bytes}$. Each packet consists of $2000$ $\text{bytes}$. At some point in time, the connection is in slow-start phase with a current transmit window of $4000$ $\text{bytes}$. ... transmit window? $4000$ $\text{bytes}$ $8000$ $\text{bytes}$ $10000$ $\text{bytes}$ $12000$ $\text{bytes}$
Suppose that the maximum transmit window size for a TCP connection is $12000$ $\text{bytes}$. Each packet consists of $2000$ $\text{bytes}$. At some point in time, the co...
Ishrat Jahan
24.0k
views
Ishrat Jahan
asked
Nov 2, 2014
Computer Networks
gateit-2004
computer-networks
sliding-window
normal
+
–
55
votes
8
answers
54
GATE CSE 2004 | Question: 57
Consider three IP networks $A, B$ and $C$. Host $H_A$ in network $A$ sends messages each containing $180$ $bytes$ of application data to a host $H_C$ in network $C$. The TCP layer prefixes $20$ byte header to the message. This passes through an intermediate network $B$ ... overheads. $325.5$ $\text{Kbps}$ $354.5$ $\text{Kbps}$ $409.6$ $\text{Kbps}$ $512.0$ $\text{Kbps}$
Consider three IP networks $A, B$ and $C$. Host $H_A$ in network $A$ sends messages each containing $180$ $bytes$ of application data to a host $H_C$ in network $C$. The ...
go_editor
19.0k
views
go_editor
asked
Apr 24, 2016
Computer Networks
gatecse-2004
computer-networks
ip-addressing
tcp
normal
+
–
48
votes
10
answers
55
GATE CSE 2014 Set 3 | Question: 28
An $IP$ router with a $\text{Maximum Transmission Unit (MTU)}$ of $1500$ bytes has received an $IP$ packet of size $4404\text{ bytes}$ with an $IP$ header of length $20\text{ bytes}$. The values of the relevant fields in the header of the third $IP$ ... $1,$ Datagram Length$: 1500;$ Offset$: 370$ $\text{MF bit}$: $0,$ Datagram Length$: 1424;$ Offset$: 2960$
An $IP$ router with a $\text{Maximum Transmission Unit (MTU)}$ of $1500$ bytes has received an $IP$ packet of size $4404\text{ bytes}$ with an $IP$ header of length $20\t...
go_editor
21.3k
views
go_editor
asked
Sep 28, 2014
Computer Networks
gatecse-2014-set3
computer-networks
ip-packet
normal
+
–
11
votes
6
answers
56
GATE CSE 2019 | Question: 16
Which of the following protocol pairs can be used to send and retrieve e-mails (in that order)? $\textsf{IMAP, POP3}$ $\textsf{SMTP, POP3}$ $\textsf{SMTP, MIME}$ $\textsf{IMAP, SMTP}$
Which of the following protocol pairs can be used to send and retrieve e-mails (in that order)?$\textsf{IMAP, POP3}$$\textsf{SMTP, POP3}$$\textsf{SMTP, MIME}$$\textsf{IMA...
Arjun
12.5k
views
Arjun
asked
Feb 7, 2019
Computer Networks
gatecse-2019
computer-networks
application-layer-protocols
1-mark
+
–
72
votes
7
answers
57
GATE IT 2006 | Question: 66
A router has two full-duplex Ethernet interfaces each operating at $100$ $\text{Mb/s}$. Ethernet frames are at least $84$ $\text{bytes}$ long (including the Preamble and the Inter-Packet-Gap). The maximum packet processing time at the router for wirespeed forwarding to be possible is (in microseconds) $0.01$ $3.36$ $6.72$ $8$
A router has two full-duplex Ethernet interfaces each operating at $100$ $\text{Mb/s}$. Ethernet frames are at least $84$ $\text{bytes}$ long (including the Preamble and ...
Ishrat Jahan
22.2k
views
Ishrat Jahan
asked
Nov 1, 2014
Computer Networks
gateit-2006
computer-networks
lan-technologies
ethernet
normal
+
–
18
votes
3
answers
58
GATE CSE 2021 Set 1 | Question: 29
Assume that a $12$-bit Hamming codeword consisting of $8$-bit data and $4$ check bits is $d_8d_7d_6d_5c_8d_4d_4d_3d_2c_4d_1c_2c_1$ ... $0$ and $y$ is $1$ $x$ is $1$ and $y$ is $0$ $x$ is $1$ and $y$ is $1$
Assume that a $12$-bit Hamming codeword consisting of $8$-bit data and $4$ check bits is $d_8d_7d_6d_5c_8d_4d_4d_3d_2c_4d_1c_2c_1$, where the data bits and the check bits...
Arjun
15.4k
views
Arjun
asked
Feb 18, 2021
Computer Networks
gatecse-2021-set1
computer-networks
hamming-code
2-marks
+
–
48
votes
7
answers
59
GATE CSE 2013 | Question: 37
In an IPv4 datagram, the $M$ bit is $0$, the value of $HLEN$ is $10$, the value of total length is $400$ and the fragment offset value is $300$. The position of the datagram, the sequence numbers of the first and the last bytes of the payload, ... , $2400$ and $2789$ First fragment, $2400$ and $2759$ Last fragment, $2400$ and $2759$ Middle fragment, $300$ and $689$
In an IPv4 datagram, the $M$ bit is $0$, the value of $HLEN$ is $10$, the value of total length is $400$ and the fragment offset value is $300$. The position of the datag...
Arjun
31.9k
views
Arjun
asked
Sep 24, 2014
Computer Networks
gatecse-2013
computer-networks
ip-addressing
normal
+
–
36
votes
7
answers
60
GATE CSE 2016 Set 2 | Question: 24
In an Ethernet local area network, which one of the following statements is TRUE? A station stops to sense the channel once it starts transmitting a frame. The purpose of the jamming signal is to pad the frames that are ... the packet even after the collision is detected. The exponential back off mechanism reduces the probability of collision on retransmissions.
In an Ethernet local area network, which one of the following statements is TRUE?A station stops to sense the channel once it starts transmitting a frame.The purpose of t...
Akash Kanase
11.2k
views
Akash Kanase
asked
Feb 12, 2016
Computer Networks
gatecse-2016-set2
computer-networks
ethernet
normal
+
–
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