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Recent questions tagged transport-layer
2
votes
3
answers
61
NIELIT 2018-45
______ transport layer protocol is used to support electronic mail SNMP IP SMTP TCP
Arjun
asked
in
Computer Networks
Dec 7, 2018
by
Arjun
2.2k
views
nielit-2018
computer-networks
transport-layer
0
votes
0
answers
62
#CN UserGate 2004 IPV4 question
Consider three IP networks A,B and C. Host HA in network A sends messages each containing 180 bytesof application data to a host HC in network C. The TCP layer prefixes 20 byte header to the message. This passes through an intermediate network B. ... ). My question is what's the overhead at Network Layer and also at Transport Layer of the Host C (Destination Host)
iarnav
asked
in
Computer Networks
Dec 5, 2018
by
iarnav
495
views
computer-networks
ip-addressing
tcp
transport-layer
1
vote
1
answer
63
TCP congestion control
Suppose you are using TCP to transfer a 4 MB file over a network. The receiver advertises a receive window of 4 MB. Assume that the retransmission timers expire after 5 RTTs. (a) If TCP sends 4KB segments, how many RTTs does it take ... implements fast retransmit and fast recovery. How many RTTs are saved by the fact that your TCP implements fast retransmit and fast recovery?
akmishra_1947
asked
in
Computer Networks
Nov 26, 2018
by
akmishra_1947
786
views
tcp
congestion-control
transport-layer
computer-networks
1
vote
1
answer
64
CN-TCP
When a TCP segment arrives at a host, in order to direct it to the appropriate socket, the operating system's network stack uses which of the following? (a)Transport protocol number (b)Destination IP Address (c)Source port number (d)Destination port ... ,b and d are needed. Why source port number is needed? Document Ref: https://gateoverflow.in/?qa=blob&qa_blobid=8025344419025703520
Ayush Upadhyaya
asked
in
Computer Networks
Nov 10, 2018
by
Ayush Upadhyaya
1.4k
views
tcp
transport-layer
1
vote
1
answer
65
transport layer
what happens when a host receives a TCP segment whose port number or source IP address do not match with any of the ongoing sockets in the host? one of the answer i think is an ICMP destination unreachable message will be transmitted. but could it be a ... listening to that port?(in case of no ongoing port of the number). how the answer would change in case of UDP connection.
aambazinga
asked
in
Computer Networks
Oct 25, 2018
by
aambazinga
518
views
transport-layer
sockets
1
vote
0
answers
66
#TCP_timers #tranport layer #computer network #RTO
If initial RTT is 30 sec and new RTT is 40 sec and alpha is0.1 then calculate next two RTO time.
Kinjalkkt
asked
in
Computer Networks
Oct 22, 2018
by
Kinjalkkt
461
views
tcp
computer-networks
transport-layer
rto
timers
3
votes
3
answers
67
Transport layer
For a network which has maximum packet size is 256 bytes . lifetime of a packet is 20 sec and 8 bit sequence number . Find maximum data rate per connection
Jaggi
asked
in
Computer Networks
Oct 11, 2018
by
Jaggi
2.6k
views
transport-layer
computer-networks
tcp
sequencenumber
2
votes
1
answer
68
TCP/IP
The intermediate routers between source and destination do not need the following info in the IP header; a)Protocol b)Identification number c)Source IP d)IP version e)None of these
Sambhrant Maurya
asked
in
Computer Networks
Sep 13, 2018
by
Sambhrant Maurya
964
views
computer-networks
tcp
transport-layer
2
votes
0
answers
69
TCP/IP
What is the minimum and maximum number of packets required to be exchanged for connection establishment, data transfer and connection termination in a TCP 3 way handshake?
Sambhrant Maurya
asked
in
Computer Networks
Sep 12, 2018
by
Sambhrant Maurya
743
views
tcp
computer-networks
transport-layer
0
votes
0
answers
70
Transport Layer-Self doubt
Here A,B,C are 3 networks and a packet sends from A to C . When packet 180 B sends from A to B it is connected with 20B IP header as well as 20 B TCP header. In network B we are segmenting data packet as 100 B and we are removing IP header ... destination C. My question is if IP header are different for network A, B,C then how TCP header will be same for network A,B,C?
srestha
asked
in
Computer Networks
Jul 10, 2018
by
srestha
345
views
transport-layer
computer-networks
2
votes
1
answer
71
Computer Networks by Andrew S. Tanenbaum 4th edition chapter 6 Question 4
Suppose that the clock-driven scheme for generating initial sequence numbers is used with a 15-bit wide clock counter. The clock ticks once every 100 msec, and the max- imum packet lifetime is 60 sec. How often need ... place (a) in the worst case? (b) when the data consumes 240 sequence numbers/min? Thank you!
Abhilash Mishra
asked
in
Computer Networks
Jun 19, 2018
by
Abhilash Mishra
3.3k
views
computer-networks
transport-layer
sequence-number
3
votes
2
answers
72
TCP - Stanford Lectures
In one of the quizes, they asked the following question : "A server typically listens for TCP connections on a particular port (e.g. 80 for HTTP or 22 for SSH). Which fields can the server use to distinguish packets for a particular ... address from the packet received from the client... (After all, this destination IP address corresponds to the Server itself !).
Harsh Kumar
asked
in
Computer Networks
Jun 13, 2018
by
Harsh Kumar
926
views
computer-networks
tcp
transport-layer
1
vote
1
answer
73
What is the difference between end to end congestion control and network- assisted congestion control ?
radha gogia
asked
in
Computer Networks
May 24, 2018
by
radha gogia
2.3k
views
computer-networks
transport-layer
congestion-control
0
votes
1
answer
74
why does TCP/IP Peform Error checking both at network layer and Transport Layer ?
radha gogia
asked
in
Computer Networks
May 11, 2018
by
radha gogia
906
views
computer-networks
transport-layer
6
votes
1
answer
75
ISRO2018-45
Assuming that for a given network layer implementation, connection establishment overhead is $100\;\text{bytes}$ and disconnection overhead is $28\;\text{bytes}$. What would be the minimum size of the packet the transport layer needs to keep up, if it wishes to implement a ... transport layer overhead) $512\;\text{bytes}$ $768\;\text{bytes}$ $1152\;\text{bytes}$ $1024\;\text{bytes}$
Arjun
asked
in
Computer Networks
Apr 22, 2018
by
Arjun
5.9k
views
isro2018
transport-layer
1
vote
1
answer
76
what is the difference between the flow control mechanism provided by data link layer and transport layer ?
radha gogia
asked
in
Computer Networks
Apr 11, 2018
by
radha gogia
1.3k
views
computer-networks
transport-layer
3
votes
1
answer
77
GATEBOOK test series
When a TCP data packet arrives at a host, the operating system’s network stack uses the following fields to direct the segment to the appropriate socket: I. Transport protocol number (i.e., “TCP” or “UDP”) II. Destination IP address III. Source port number IV. Destination MAC address (A). Only I (B) Only I, II (C) Only I, II, III (D) Only II, III
Saikat Dutta
asked
in
Computer Networks
Jan 18, 2018
by
Saikat Dutta
1.4k
views
computer-networks
sockets
transport-layer
0
votes
1
answer
78
functions of transport layer
which are not the functions of transport layers? I. Transport layer breaks messages into segmentation. II. Function of Error Control. III. Function of flow control & congestion control. IV. Function of multiplexing and demultiplexing sessions together.
Parshu gate
asked
in
Computer Networks
Dec 10, 2017
by
Parshu gate
2.2k
views
transport-layer
computer-networks
3
votes
1
answer
79
Data rate per connection in transport Layer
In a network that has a maximum TPDU size of $128$ bytes, a maximum TPDU lifetime of $30$ sec, and an $8- bit$ sequence number, what is the maximum data rate per connection? My attempt: in $30 sec$ we can identify $256 bytes$ because ... giving sequence number to each segment and thus calculating the data rate as $256*128*8$ bits in $30 sec$ or $8.7Kbps$.
reena_kandari
asked
in
Computer Networks
Nov 26, 2017
by
reena_kandari
2.4k
views
transport-layer
sequencenumber
2
votes
2
answers
80
CN:Transport Layer: Data Transfer
What should be the value of Y, when P has no data to send to Q?
Manu Thakur
asked
in
Computer Networks
Oct 29, 2017
by
Manu Thakur
1.2k
views
computer-networks
transport-layer
3
votes
1
answer
81
Computer Networks - Transport Layer - Sequence number wrap around
TCP operates over a 40 Gbps link. If TCP uses the full bandwidth continuously, how long (in msec) would it take the sequence number to wrap around completely?
shane.126
asked
in
Computer Networks
Oct 13, 2017
by
shane.126
5.2k
views
computer-networks
tcp
sequencenumber
transport-layer
wrap-around-time
2
votes
1
answer
82
Cn: Transport layer protocol
Which of the following transport layer protocols used to support email? a:) SMTP b:) TCP c::)UDP d) both b and c
rahul sharma 5
asked
in
Computer Networks
Aug 15, 2017
by
rahul sharma 5
2.2k
views
computer-networks
transport-layer
tcp
udp
0
votes
2
answers
83
Test by Bikram | Mock GATE | Test 4 | Question: 48
Which kind of connection between the client and server is opened by $\text{TCP?}$ One-way Symmetric Connection One-way Asymmetric Connection Two-way Symmetric Connection Two-way Asymmetric Connection
Bikram
asked
in
Computer Networks
May 14, 2017
by
Bikram
372
views
tbb-mockgate-4
computer-networks
transport-layer
tcp
3
votes
2
answers
84
Test by Bikram | Mock GATE | Test 4 | Question: 34
The bandwidth of a $TCP$ connection is $1048560$ $bits/s$. Let $a$ be the value of $RTT$ in milliseconds, after which $TCP$ window scale option is required. Let $b$ be the maximum possible window size (with window scale option). Then, the value of $a$ ... $65535 \times 2^{14}$ $500$ and $65535 \times 2^{16}$ $500$ and $65535 \times 2^{14}$
Bikram
asked
in
Computer Networks
May 14, 2017
by
Bikram
653
views
tbb-mockgate-4
computer-networks
transport-layer
tcp
3
votes
1
answer
85
Flow Control and Error Control both are the properties of Transport Layer and Data Link Layer.
Flow Control and Error Control both are the properties of Transport Layer and Data Link Layer. Why is there the duplicity of properties in both the layer when we have specific layers with each layer performing its own specific functions ?
LavTheRawkstar
asked
in
Computer Networks
Apr 7, 2017
by
LavTheRawkstar
4.5k
views
computer-networks
transport-layer
2
votes
2
answers
86
Transport Layer
Solution for Q1 ,Q2?
Shubham Sharma 2
asked
in
Computer Networks
Jan 25, 2017
by
Shubham Sharma 2
1.3k
views
computer-networks
transport-layer
tcp
2
votes
3
answers
87
Test by Bikram | Computer Networks | Test 1 | Question: 28
Which among the following services is provided by the transport layer? Recovery from message loss. End to end delivery of individual messages. Correct order message delivery. All of the above.
Bikram
asked
in
Computer Networks
Nov 26, 2016
by
Bikram
730
views
tbb-cn-1
transport-layer
6
votes
2
answers
88
Transport Layer
In Transport layer either in TCP header or UDP header in checksum field we calculate checksum for Pseudo header of IP + header of TCP/UDP + data of TCP/UDP. Transport layer should fill checksum field in header before the Segment pass to Network layer. Here my doubt is how TL knows the IP header which is going to create in next step NL ?
SaiPrasadKousika
asked
in
Computer Networks
Aug 27, 2016
by
SaiPrasadKousika
1.7k
views
transport-layer
computer-networks
tcp
udp
header
checksum
0
votes
0
answers
89
MadeEasy Test Series: Computer Networks - Network Layering
Payal Rastogi
asked
in
Computer Networks
Dec 28, 2015
by
Payal Rastogi
387
views
computer-networks
transport-layer
made-easy-test-series
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