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Recent questions tagged network-layer

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GATE Overflow | Mock GATE | Test 1 | Question: 31
Let $N$ be the number of nodes and $M$ be the number of edges. For Link state routing how many message exchanges (roughly, explained as a function of the above parameters...
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831
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Data Communications and Networking-Forouzan
Can anybody help me with this question.The solution is given in the book bt I am unable to understand.
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Computer Network GATE practice question
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Kurose and Ross Chapter 4th Network Layer Problem 16
Q: Suppose an application generates chunks of 40 bytes of data every 20 msec, and each chunk gets encapsulated in a TCP segment and then an IP datagram. What percentage o...
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Computer Networks by Andrew S. Tanenbaum 5th edition Chapter 5 (The network Layer) Question 11
Looking at the network of Fig. 5-6, how many packets are generated by a broadcastfrom B, using(a) reverse path forwarding?(b) the sink tree?
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GATE CSE 2018 | Question: 13
Match the following:$$\begin{array}{|l|l|}\hline \textbf{Field} & \textbf{Length in bits} \\\hline \text{P. UDP Header's Port Number} & \text{I. 48} \\ \text{Q. Ethern...
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OSI Model
Network layer is used when data is to be delivered across network. So, for delivering within a network, there is no need for network layer (Ref: Pg-49, Computer Networks,...
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6 6 votes
4 answers 4 answers
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MadeEasy Test Series: Computer Networks - Network Layering
Consider the following statements with respect to application layer:S1 : Datagram is the PDU (Protocol data unit) used.S2 : There is a fixed limit on the maximum size of ...
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Essential and Optional functionality of each layer in TCP/IP 7-Layer model
Hi Guys,Can anyone please list Essential and Optional functionality of each layer in TCP/IP 7-Layer model ?If some functionality is optional then which other layer/layer...
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Virtual Gate Test Series: Computer Networks - Layers
Match the following layers with their functionality.i. Encryptiona. Data-Link Layerii. Maintaining Synchronization Pointsb. Network Layeriii. Feedback Messagesc. Session ...
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UGC NET CSE | November 2017 | Part 3 | Question: 28
Match the following :$\begin{array}{clcl} & \textbf{List-I} && \textbf{List-II} \\ \text{(a)} & \text{Data Link Layer} & \text{(i)} & \text{Encryption} \\ \text{(b)}...
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Border Gateway Protocol
Why BGP is an application layer Protocol?Ref :- https://en.wikipedia.org/wiki/Border_Gateway_Protocol
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UGC NET CSE | December 2008 | Part 2 | Question: 6
An example of a layer that is absent in broadcast networks is :Physical layer Presentation layer Network layer Application layer
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Fragmentation
Which of the following statements is/ are true about the fragmentation which is done at network layer.(I) The offset of 1st fragment is always offset of parent.(II) The M...
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Fragmentation
Suppose a network:-Suppose a TCP message contains 492 B of data and TCP header is of size 20B then deliver it to IP. IP header is 20 B.Assume link A-R1 has the maximum fr...
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Fragmentation Network layer
I got answer 12 is it Right or wrong
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Test by Bikram | Mock GATE | Test 4 | Question: 46
Datagrams are sent by a node in a network which uses $IPv4$ protocol. In this scenario, which of the below statements is/are TRUE?Datagrams at the source must be the size...
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3 answers 3 answers
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Test by Bikram | Mock GATE | Test 4 | Question: 33
A router receives an $IP$ packet containing $400$ data bytes and forwards that packet in a network where maximum transmission unit is $100$ bytes. If the $\text{IP}$ head...
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ISRO CSE 2017 | Question: 28
In networking terminology UTP meansUniquitous teflon portUniformly terminating portUnshielded twisted pairUnshielded T-connector port
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Tanenbaum
A datagram network allows routers to drop packets whenever they need to. The probability of a router discarding a packet is p. Consider the case of a source host connecte...
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CN:Routing Table using RIP Protocol
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Test by Bikram | Mock GATE | Test 3 | Question: 40
Consider the subnet given in the below diagram. Here, distance vector routing algorithm is used.The following vectors have just come in to router $C$:from $B$: $\left ( 3...
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3 3 votes
2 answers 2 answers
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Routing Tables Network Layer
Please tell me which interface will be selected for the above IP address
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Test by Bikram | Mock GATE | Test 2 | Question: 3
Which of the following will definitely result in datagram fragmentation ? Transmitting over a circuit-switched network Transmitting datagrams with more than $4$ $byt...
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Test by Bikram | Mock GATE | Test 1 | Question: 5
Which of the following statements is $FALSE$ regarding a bridge:Bridge is a layer $2$ deviceBridge reduces collision domainBridge is used to connect two or more $LAN$ seg...
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Which device have Exactly one i/p address? (Work Station,Router,Gateway can have more than one i/p)
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Routers
wat is minimum no of interface in router?
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MadeEasy Subject Test: Computer Networks - Network Layering
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6 6 votes
2 2 answers
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Fragmentation Ipv4-Ipv6
True or false -1. In Ipv4 fragmentation can be done both at Source and intermediate routers.2. In Ipv6 fragmentation can be done only at Source and not intermediate route...
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Test by Bikram | Computer Networks | Test 1 | Question: 24
$$ \begin{array}{|c|c|c|} \hline a & \text{Repeater} & 1 & \text{physical layer} \\ \hline b & \text{Router} & 2 & \text{data link} \\ \hline c & \text{Gateway} & 3 & \te...
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