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Recent questions tagged computer-networks

8 votes
6 answers
2641
ISRO2015-50
How many bits internet address is assigned to each host on a TCP/IP internet which is used in all communication with the host? $16$ bits $32$ bits $48$ bits $64$ bits
How many bits internet address is assigned to each host on a TCP/IP internet which is used in all communication with the host?$16$ bits$32$ bits$48$ bits$64$ bits
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6 votes
2 answers
2642
ISRO2015-49
What frequency range is used for microwave communications, satellite and radar? Low frequency$: 30$ kHz to $300$ kHz Medium frequency$: 300$ kHz to $3$ MHz Super high frequency$: 3000$ MHz to $30000$ MHz Extremely high frequency$: 30000$ kHz
What frequency range is used for microwave communications, satellite and radar?Low frequency$: 30$ kHz to $300$ kHzMedium frequency$: 300$ kHz to $3$ MHzSuper high freque...
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7 votes
1 answer
2643
ISRO2015-48
A T-switch is used to Control how messages are passed between computers Echo every character that is received Transmit characters one at a time Rearrange the connections between computing equipments
A T-switch is used toControl how messages are passed between computersEcho every character that is receivedTransmit characters one at a timeRearrange the connections betw...
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6 votes
2 answers
2644
ISRO2011-45
The broadcast address for IP network $172.16.0.0$ with subnet mask $255.255.0.0$ is $172.16.0.255$ $172.16.255.255$ $255.255.255.255$ $172.255.255.255$
The broadcast address for IP network $172.16.0.0$ with subnet mask $255.255.0.0$ is$172.16.0.255$$172.16.255.255$$255.255.255.255$$172.255.255.255$
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2 votes
4 answers
2646
Link state routing
Why TTL field is Used in link state packet in link state routing?? please explain
Why TTL field is Used in link state packet in link state routing??please explain
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0 votes
1 answer
2647
How can we resolve IP addresses locally?
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0 votes
1 answer
2650
Error detecting method that can detect more errors without increasing additional information in each packet is
(A) checksum (B) even parity mechanism (C) CRC (D) odd parity mechanism.
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0 votes
1 answer
2651
what class is used for multicasting in IP addressing scheme ?
(A) Class A (B) Class B (C) Class C (D) Class D
(A) Class A (B) Class B(C) Class C (D) Class D
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5 votes
4 answers
2653
At which layer of OSI Model does a router work?
A .Presentation Layer B .Transport Layer C .Network Layer D .Datalink Layer E .Application Layer F .Physical Layer G .Session Layer
A .Presentation LayerB .Transport LayerC .Network LayerD .Datalink LayerE .Application LayerF .Physical LayerG .Session Layer
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0 votes
1 answer
2655
Which of the following techniques are used by transport layer?
A .Flow Control B .Route Update Packets C .Sequencing D .Acknowledgements E .Network Address
A .Flow ControlB .Route Update PacketsC .SequencingD .AcknowledgementsE .Network Address
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4 votes
4 answers
2658
ISRO2011-48
The hamming distance between the octets of $\textsf{0xAA}$ and $\textsf{0x55}$ is $7$ $5$ $8$ $6$
The hamming distance between the octets of $\textsf{0xAA}$ and $\textsf{0x55}$ is$7$$5$$8$$6$
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1 votes
1 answer
2659
Bridged Ethernet Lan
A _______-station Ethernet LAN uses a four-port bridge. Each station has an effective average data rate of 1.25 Mbps.
A _______-station Ethernet LAN uses a four-port bridge. Each station has an effective average data rate of 1.25 Mbps.
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5 votes
3 answers
2660
ISRO2009-4
Which of the following is a MAC address? $\textsf{192.166.200.50}$ $\textsf{00056A:01A01A5CCA7FF60}$ $\textsf{568, Airport Road}$ $\textsf{01:A5:BB:A7:FF:60}$
Which of the following is a MAC address?$\textsf{192.166.200.50}$$\textsf{00056A:01A01A5CCA7FF60}$$\textsf{568, Airport Road}$$\textsf{01:A5:BB:A7:FF:60}$
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4 votes
2 answers
2661
ISRO2009-2
In networking, UTP stands for Unshielded T-connector port Unshielded twisted pair Unshielded terminating pair Unshielded transmission process
In networking, UTP stands forUnshielded T-connector portUnshielded twisted pairUnshielded terminating pairUnshielded transmission process
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7 votes
4 answers
2662
ISRO2008-79
Repeated execution of simple computation may cause compounding of round-off errors syntax errors run-time errors logic errors
Repeated execution of simple computation may cause compounding ofround-off errorssyntax errorsrun-time errorslogic errors
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3 votes
3 answers
2663
ISRO2008-59
A public key encryption system allows anyone to decode the transmissions allows only the correct sender to decode the data allows only the correct receiver to decode the data does not encode the data before transmitting it
A public key encryption systemallows anyone to decode the transmissionsallows only the correct sender to decode the dataallows only the correct receiver to decode the dat...
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3 votes
4 answers
2664
ISRO2008-32
The network $198.78.41.0$ is a Class A network Class B network Class C network Class D network
The network $198.78.41.0$ is aClass A networkClass B networkClass C networkClass D network
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6 votes
1 answer
2665
ISRO2008-10
Which Project $802$ standard provides for a collision-free protocol? $802.2$ $802.3$ $802.5$ $802.6$
Which Project $802$ standard provides for a collision-free protocol?$802.2$$802.3$$802.5$$802.6$
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7 votes
6 answers
2666
ISRO2008-8
The TCP sliding window can be used to control the flow of information always occurs when the field value is $0$ always occurs when the field value is $1$ occurs horizontally
The TCP sliding windowcan be used to control the flow of informationalways occurs when the field value is $0$always occurs when the field value is $1$occurs horizontally
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5 votes
4 answers
2667
ISRO2008-5
In Ethernet, the source address field in the MAC frame is the _______ address. original sender's physical previous station's physical next destination's physical original sender's service port
In Ethernet, the source address field in the MAC frame is the _______ address.original sender's physicalprevious station's physicalnext destination's physicaloriginal sen...
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7 votes
2 answers
2668
ISRO2008-3
The subnet mask $255.255.255.192$ extends the network portion to $16$ bits extends the network portion to $26$ bits extends the network portion to $36$ bits has no effect on the network portion of an IP address
The subnet mask $255.255.255.192$extends the network portion to $16$ bitsextends the network portion to $26$ bitsextends the network portion to $36$ bitshas no effect on ...
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10 votes
5 answers
2669
ISRO2007-75
When a host on network A sends a message to a host on network B, which address does the router look at? Port IP Physical Subnet mask
When a host on network A sends a message to a host on network B, which address does the router look at?PortIPPhysicalSubnet mask
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5 votes
3 answers
2670
ISRO2007-74
$\textsf{IEEE 802.11}$ is standard for Ethernet Bluetooth Broadband Wireless Wireless LANs
$\textsf{IEEE 802.11}$ is standard forEthernetBluetoothBroadband WirelessWireless LANs
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