Recent questions tagged tbb-cn-1

A selective repeat ARQ uses a window size of $26$ to send the data. The number of bits needed to define the sequence number is _____.

The bandwidth in a CSMA/CD network is $10$ Mbps. The minimum frame size required in the network when RTT is $384$ microsecond _______ in Bytes.

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...

A sliding window protocol uses Selective Repeat. The sender sliding window size is $32$. After receiving the first $100$ frames, the acknowledgement number that is piggyb...

$$ \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...

The bandwidth in a Stop n Wait ARQ is $1$ Gbps and $1$ bit delay to make round trip time $30$ microseconds, if data frames are $2000$ bits in length then the link is util...

A $20$ kbps satellite link has propagation delay of $300$ ms , transmitter use Go Back $10$ ARQ scheme, if each frame is $50$ bytes long then the maximum data rate is ___...

A TCP connection is transferring $6000$ bytes where the first byte is numbered $10010.$ If data is sent in five segments with the first four segments carrying $1000$ byte...

Let the number of bits used to represent the frame sequence number is $x$ then the total number of frames in the sliding window can be send from sender side using Go Back...

Two hosts $A$ and $B$ are connected via a Router $R$ with two links $L_1$ and $L_2.$ Each link is $125m$ long and has a bandwidth of $109 \;bps.$ If router queuing delay...

Number of subnets can be formed by using the subnet mask $255.255.248.0$ in a class B network _________

A message bit stream is $101101101$, the bit pattern will be if message is transmitted with bit stuffing and a flag bit of $0111$___________

In a token bucket network transmission spreed is $20^*(10^6)$ bps and maximum rate can only be sent for at most $10$ sec at a time, and at most $150$ Mb can be sent over...

In a class B network subnet mask for $200$ subnets each with $220$ systems will be$255.255.255.0$$255.255.0.0$$255.255.224.0$$255.0.0.0$

Which parameter can be used by a firewall to decide whether to forward or drop packets?source ip address & destination ip address tcp/udp source and destination port num...

Sanjay is looking for a file from the file server for his word processing application, which layer is responsible for this function?PresentationTransportNetworkSession

An organization with a class C IP address of $195.37.5.0$ wish to divide the network into different sub networks, the subnet mask is 255.255.255.192. Which one among thes...

Symmetric key algorithm is same as:RSA encryptionPublic key encryptionSecret key encryptionSecret hash encryption

Consider private key crypto-system has $3$ keys, $3$ plain-texts and $4$ cipher-texts:$K=\{ k1,k2,k3 \}$$M=\{m1, m2,m3 \}$$C=\{c1,c2,c3,c4 \}$In a valid encryption table ...

Let the source has sent four TCP segments to Destination with the sequence numbers $50, \ 74, \ 97,\ 120$ ($1$st, $2$nd, $3$rd and $4$th segment) if the first and fourth ...

IP address of a particular class B host is $152.45.32.14$, what is the broadcast address of the subnet if the subnet mask is $255.255.240.0$?$152.45.47.255$$152.45.255.25...

A class C network is sub divided into subnets with $3$ bit subnet number, the maximum number of available hosts in each sub network is __________

Routers can be configured using several sources, which among these can not be used for Router Configuration?Removable mediaConsole portTFTP serverVirtual terminals

A CRC code use the generator polynomial $x6+x4+x+1$ and it has $10$ message bits, what is the redundant check bits appended to the following message at sender side $10110...

A class B address has the subnet mask of $255.255.224.0$. what will be the IP address of the second host in the second sub network of the main network address $132.55.0.0...