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FINALTERM EXAMINATION
Fall 2008
CS610- Computer Network
Solved With Refernce By Farhat Qudsia
vuZs Solution Team
vu.ysapak.com
free solved material for final mid term papers at vu.ysapak.com
Solution is provided by vuZs Solution Team.You are free to distribute and use it. In case you wanted to host or re-distribute it. Please don’t remove the links of group and website
Question No: 1 ( Marks: 1 ) - Please choose one
In Direct point to point communication adding the Nth computer requires------------ new connections.
► None of the given
► N2
► N-1
► (N2 –N)/2
disadvantage In Direct point to point communication is that adding a new computer to the network requires N-1 new connections .(P# 23)
Question No: 2 ( Marks: 1 ) - Please choose one
In Point-to-Point topology there are two topologies.
► Tree and Ring
► Star and Ring
► Star and Tree
► None of the given
POINT-TO-POINT:
vu.ysapak.com
free solved material for final mid term papers at vu.ysapak.com
In Point-to-Point topology there are two topologies.
1) STAR topology
2) TREE topology
Question No: 3 ( Marks: 1 ) - Please choose one
In -------------, network occupies the smaller area like a room a floor or a building
► LAN
► WAN
► MAN
► None of the given
In LAN network occupies the smaller area like a room a floor or a building.(P# 4)
vu.ysapak.com
free solved material for final mid term papers at vu.ysapak.com
Question No: 4 ( Marks: 1 ) - Please choose one
Hardware that calculates a CRC uses two simple components.
► AND unit and XOR unit
► Shift register and XOR unit
► Shift register and AND unit
► None of the given
CRC uses just two hardware components:
• Shift register
• Exclusive OR ( XOR unit ) .(P# 20)
Question No: 5 ( Marks: 1 ) - Please choose one
CRC can detect more errors than a simple checksum.
► true
► false
Question No: 6 ( Marks: 1 ) - Please choose one
The Gigabit Ethernet hardware operates at a rate of --------
► 10 Mbps
► 100 Mbps
► 1000 Mbps
► None of the given
Gigabit Ethernet that operates at 1 Gbps (1000 Mbps) over fiber optics and twisted pair Ethernet cables.
Question No: 7 ( Marks: 1 ) - Please choose one
Formally named __________ informally known as the twisted pair Ethernet or TP Ethernet.
► 10 Base 2
► 10 Base 5
► 10 Base T
► None of the given
10BASE-T:
This is another standard of wiring scheme. It is commonly called 10Base-T, Twisted Pair or TP Ethernet. (P# 43)
Question No: 8 ( Marks: 1 ) - Please choose one
An interface for thin Ethernet must have an ____________ connector , and must generate signals according to the_____________ specification.
► RJ-45, 10 Base T
► RJ-45, 10 Base 5
► BNC, 10 Base 2
► BNC, 10 Base T
Question No: 9 ( Marks: 1 ) - Please choose one
A system with redundant bridges might have a problem with_______ in the system.
► Loop
► Filters
► Spanning Trees
► All given choices
Question No: 10 ( Marks: 1 ) - Please choose one
________ computes shortest paths in a graph by using weights on edges as a measure of distance.
► Greedy algorithm
► Distance vector algorithm
► Dijksta’s algorithm
► Non of the given
Djikstra’s algorithm can accommodate weights on edges in graph. The shortest
path is then the path with lowest total weight (sum of the weight with all edges). It should
be noted that the shortest path is not necessarily with fewest edges (or hops).
Question No: 11 ( Marks: 1 ) - Please choose one
Basic LAN technologies such as Ethernet, Token Ring, and FDDI use a _____.
► Connectionless service paradigm
► Connection-oriented service paradigm
► Both Connectionless and Connection-oriented service paradigm
► None of the given
Question No: 12 ( Marks: 1 ) - Please choose one
_______ protocols of TCP/IP layering model specify how to ensure reliable transfer.
► Physical Layer
► Network Interface Layer
► Internet Layer
► Transport Layer
LAYER 4: ensure reliable transfer layer 4 in TCP layering model is transport layer.
vu.ysapak.com
free solved material for final mid term papers at vu.ysapak.com
Question No: 13 ( Marks: 1 ) - Please choose one
An Internet Address (IP address) is a unique __________ binary number assigned to a host and used for all communication with host
► 48-bit
► 32-bit
► 24-bit
► None of the given
An Internet address (IP address) is a unique 32-bit binary number assigned to a
host and used for all communication with the host
Question No: 14 ( Marks: 1 ) - Please choose one
The address __________ identifies the physical network to which the computer is attached, while the _______ identifies an individual computer on that network.
► prefix , suffix
► suffix , prefix
► suffix , suffix
► None of the given
PREFIX:
It identifies the physical network to which the computers are attached.
SUFFIX:
It identifies an individual computer on the network.
Question No: 15 ( Marks: 1 ) - Please choose one
___________ places the boundary between the first and second octets
► Class A
► Class B
► Class C
► Class D
Class A places the boundary between the first and second octets. Class B places the boundary between the second and third octets, and class C places the boundary between the third and fourth octets.
Question No: 16 ( Marks: 1 ) - Please choose one
___________ places the boundary between the third and fourth octets.
► Class A
► Class B
► Class C
► Class D
Class A places the boundary between the first and second octets. Class B places the boundary between the second and third octets, and class C places the boundary between the third and fourth octets.
Question No: 17 ( Marks: 1 ) - Please choose one
________ field of header indicates whether a datagram is a fragment or a complete datagram.
► FLAGS
► FLAGMENT OFFSET
► IDENTIFICATION
► None of the given
FRAGMENTATION:
IP uses fragmentation i.e. datagrams can be split into pieces to fit in network with small MTU. Each fragment is an independent datagram. It includes all header fields. Bit in header indicates that the datagram is a fragment
Question No: 18 ( Marks: 1 ) - Please choose one
______ provides connectionless service.
► TCP
► UDP
► IP
► None of the given
UDP has the following characteristics.
• It is an end-to-end protocol. It provides application-to-application communication.
• It provides connectionless service.
• It is a Message-Oriented protocol.
• It uses best-effort delivery service.
• It follows arbitrary interaction.
• It is operating system independent
Question No: 19 ( Marks: 1 ) - Please choose one
UDP and TCP are both_________ layer protocols
► Physical
► Data link
► Network
► Transport
Question No: 20 ( Marks: 1 ) - Please choose one
Connection-oriented service, Point-to-point, Complete reliability, Full-duplex communication, Stream interface, Reliable connection startup and Graceful connection shutdown are the services provided by__________
► IP
► None of the given
► TCP
► UDP
SERVICE PROVIDED BY TCP:
Following are the services provided by TCP:
• Connection-oriented service
• Point-to-point
• Complete reliability
• Full-duplex communication
• Stream interface
• Reliable connection startup
• Graceful connection shutdown
Question No: 21 ( Marks: 1 ) - Please choose one
_______ protocols of TCP/IP layering model specify how to ensure reliable transfer.
► Physical Layer
► Network Interface Layer
► Internet Layer
► Transport Layer
LAYER 4: ensure reliable transfer layer 4 in TCP layering model is transport layer
vu.ysapak.com
free solved material for final mid term papers at vu.ysapak.com
Question No: 22 ( Marks: 1 ) - Please choose one
________identifies which application program on receiving computer should receive the data
► Logical address
► Source port
► Destination Port
► None of the given
FieldDestinationPort identifies which application program on receiving computer should receive the data. While field source port identifies the application programs that sent the data. (reference from E-books)
http://ping.fm/vKi8W
Fall 2008
CS610- Computer Network
Solved With Refernce By Farhat Qudsia
vuZs Solution Team
vu.ysapak.com
free solved material for final mid term papers at vu.ysapak.com
Solution is provided by vuZs Solution Team.You are free to distribute and use it. In case you wanted to host or re-distribute it. Please don’t remove the links of group and website
Question No: 1 ( Marks: 1 ) - Please choose one
In Direct point to point communication adding the Nth computer requires------------ new connections.
► None of the given
► N2
► N-1
► (N2 –N)/2
disadvantage In Direct point to point communication is that adding a new computer to the network requires N-1 new connections .(P# 23)
Question No: 2 ( Marks: 1 ) - Please choose one
In Point-to-Point topology there are two topologies.
► Tree and Ring
► Star and Ring
► Star and Tree
► None of the given
POINT-TO-POINT:
vu.ysapak.com
free solved material for final mid term papers at vu.ysapak.com
In Point-to-Point topology there are two topologies.
1) STAR topology
2) TREE topology
Question No: 3 ( Marks: 1 ) - Please choose one
In -------------, network occupies the smaller area like a room a floor or a building
► LAN
► WAN
► MAN
► None of the given
In LAN network occupies the smaller area like a room a floor or a building.(P# 4)
vu.ysapak.com
free solved material for final mid term papers at vu.ysapak.com
Question No: 4 ( Marks: 1 ) - Please choose one
Hardware that calculates a CRC uses two simple components.
► AND unit and XOR unit
► Shift register and XOR unit
► Shift register and AND unit
► None of the given
CRC uses just two hardware components:
• Shift register
• Exclusive OR ( XOR unit ) .(P# 20)
Question No: 5 ( Marks: 1 ) - Please choose one
CRC can detect more errors than a simple checksum.
► true
► false
Question No: 6 ( Marks: 1 ) - Please choose one
The Gigabit Ethernet hardware operates at a rate of --------
► 10 Mbps
► 100 Mbps
► 1000 Mbps
► None of the given
Gigabit Ethernet that operates at 1 Gbps (1000 Mbps) over fiber optics and twisted pair Ethernet cables.
Question No: 7 ( Marks: 1 ) - Please choose one
Formally named __________ informally known as the twisted pair Ethernet or TP Ethernet.
► 10 Base 2
► 10 Base 5
► 10 Base T
► None of the given
10BASE-T:
This is another standard of wiring scheme. It is commonly called 10Base-T, Twisted Pair or TP Ethernet. (P# 43)
Question No: 8 ( Marks: 1 ) - Please choose one
An interface for thin Ethernet must have an ____________ connector , and must generate signals according to the_____________ specification.
► RJ-45, 10 Base T
► RJ-45, 10 Base 5
► BNC, 10 Base 2
► BNC, 10 Base T
Question No: 9 ( Marks: 1 ) - Please choose one
A system with redundant bridges might have a problem with_______ in the system.
► Loop
► Filters
► Spanning Trees
► All given choices
Question No: 10 ( Marks: 1 ) - Please choose one
________ computes shortest paths in a graph by using weights on edges as a measure of distance.
► Greedy algorithm
► Distance vector algorithm
► Dijksta’s algorithm
► Non of the given
Djikstra’s algorithm can accommodate weights on edges in graph. The shortest
path is then the path with lowest total weight (sum of the weight with all edges). It should
be noted that the shortest path is not necessarily with fewest edges (or hops).
Question No: 11 ( Marks: 1 ) - Please choose one
Basic LAN technologies such as Ethernet, Token Ring, and FDDI use a _____.
► Connectionless service paradigm
► Connection-oriented service paradigm
► Both Connectionless and Connection-oriented service paradigm
► None of the given
Question No: 12 ( Marks: 1 ) - Please choose one
_______ protocols of TCP/IP layering model specify how to ensure reliable transfer.
► Physical Layer
► Network Interface Layer
► Internet Layer
► Transport Layer
LAYER 4: ensure reliable transfer layer 4 in TCP layering model is transport layer.
vu.ysapak.com
free solved material for final mid term papers at vu.ysapak.com
Question No: 13 ( Marks: 1 ) - Please choose one
An Internet Address (IP address) is a unique __________ binary number assigned to a host and used for all communication with host
► 48-bit
► 32-bit
► 24-bit
► None of the given
An Internet address (IP address) is a unique 32-bit binary number assigned to a
host and used for all communication with the host
Question No: 14 ( Marks: 1 ) - Please choose one
The address __________ identifies the physical network to which the computer is attached, while the _______ identifies an individual computer on that network.
► prefix , suffix
► suffix , prefix
► suffix , suffix
► None of the given
PREFIX:
It identifies the physical network to which the computers are attached.
SUFFIX:
It identifies an individual computer on the network.
Question No: 15 ( Marks: 1 ) - Please choose one
___________ places the boundary between the first and second octets
► Class A
► Class B
► Class C
► Class D
Class A places the boundary between the first and second octets. Class B places the boundary between the second and third octets, and class C places the boundary between the third and fourth octets.
Question No: 16 ( Marks: 1 ) - Please choose one
___________ places the boundary between the third and fourth octets.
► Class A
► Class B
► Class C
► Class D
Class A places the boundary between the first and second octets. Class B places the boundary between the second and third octets, and class C places the boundary between the third and fourth octets.
Question No: 17 ( Marks: 1 ) - Please choose one
________ field of header indicates whether a datagram is a fragment or a complete datagram.
► FLAGS
► FLAGMENT OFFSET
► IDENTIFICATION
► None of the given
FRAGMENTATION:
IP uses fragmentation i.e. datagrams can be split into pieces to fit in network with small MTU. Each fragment is an independent datagram. It includes all header fields. Bit in header indicates that the datagram is a fragment
Question No: 18 ( Marks: 1 ) - Please choose one
______ provides connectionless service.
► TCP
► UDP
► IP
► None of the given
UDP has the following characteristics.
• It is an end-to-end protocol. It provides application-to-application communication.
• It provides connectionless service.
• It is a Message-Oriented protocol.
• It uses best-effort delivery service.
• It follows arbitrary interaction.
• It is operating system independent
Question No: 19 ( Marks: 1 ) - Please choose one
UDP and TCP are both_________ layer protocols
► Physical
► Data link
► Network
► Transport
Question No: 20 ( Marks: 1 ) - Please choose one
Connection-oriented service, Point-to-point, Complete reliability, Full-duplex communication, Stream interface, Reliable connection startup and Graceful connection shutdown are the services provided by__________
► IP
► None of the given
► TCP
► UDP
SERVICE PROVIDED BY TCP:
Following are the services provided by TCP:
• Connection-oriented service
• Point-to-point
• Complete reliability
• Full-duplex communication
• Stream interface
• Reliable connection startup
• Graceful connection shutdown
Question No: 21 ( Marks: 1 ) - Please choose one
_______ protocols of TCP/IP layering model specify how to ensure reliable transfer.
► Physical Layer
► Network Interface Layer
► Internet Layer
► Transport Layer
LAYER 4: ensure reliable transfer layer 4 in TCP layering model is transport layer
vu.ysapak.com
free solved material for final mid term papers at vu.ysapak.com
Question No: 22 ( Marks: 1 ) - Please choose one
________identifies which application program on receiving computer should receive the data
► Logical address
► Source port
► Destination Port
► None of the given
FieldDestinationPort identifies which application program on receiving computer should receive the data. While field source port identifies the application programs that sent the data. (reference from E-books)
http://ping.fm/vKi8W