The sharing of a medium and its link by two or more devices is called _______.
Select correct option:
Modulation
Encoding
Multiplexing ok
Line discipline
Question # 2 of 10 ( Start time: 09:01:11 PM ) Total Marks: 1
The maximum cable length of a LAN is _____
Select correct option:
Fixed ok
Unlimited
Fixed and Unlimited in different conditions
None of these
Question # 3 of 10 ( Start time: 09:01:32 PM ) Total Marks: 1
The mechanism of extending the optical fiber across several kilometers is very successful because delays on optical fiber are very _____ and bandwidth is very _____
Select correct option:
Low, High ok
High, Low
High, High
Low, Low
Question # 4 of 10 ( Start time: 09:02:09 PM ) Total Marks: 1
The fiber-modem coverts digital data into _______ then transmits over the optical fiber
Select correct option:
Pulses of light ok
Electrons
Electromagnetic signals
None of these
Question # 5 of 10 ( Start time: 09:03:07 PM ) Total Marks: 1
Most NICs contain _______________ circuitry that allows the NIC to operate independent of the CPU.
Select correct option:
DMA (Direct Memory Access)
Multiplexer
Transceiver ok
None of the given
Question # 6 of 10 ( Start time: 09:03:41 PM ) Total Marks: 1
Transmission media are usually categorized as _______.
Select correct option:
Guided or unguided ok
Fixed or unfixed
Determinate or indeterminate
Metallic or nonmetallic
Question # 7 of 10 ( Start time: 09:04:03 PM ) Total Marks: 1
Which of the following is not a benefit of source independence?
Select correct option:
It allows fast and efficient routing.
Packet switch do not need to have complete information about all destinations
Network functions even if topology changes
None of the above ok
Question # 8 of 10 ( Start time: 09:04:37 PM ) Total Marks: 1
Which one of the following is a property of static routing?
Select correct option:
It is inflexible
It is done at boot time
It has low network overload
All of the above ok
Question # 9 of 10 ( Start time: 09:05:02 PM ) Total Marks: 1
Which of the following statement regarding ATM is true?
Select correct option:
Connections in ATM are called virtual channels
The VC is identified by a 24-bit value formed from the VPI
Both (a) and (b) ok
None of the above
Question # 10 of 10 ( Start time: 09:05:36 PM ) Total Marks: 1
1. Source independence is a phenomena in which next hop to destination does not depend on the …………………
Select correct option:
Source of packet ok
Destination of packet
No of hops
Source of protocol
Which of the following statement is true regarding ATM?
Select correct option:
ATM is a single technology that is designed to meet the goals of both LANs and WANs.
ATM uses the concept of connection-oriented networking. ok
Both (a) and (b)
None of the above
Question # 2 of 10 ( Start time: 08:50:12 PM ) Total Marks: 1
To span long distances or many computers, networks must replace shared medium with............
Select correct option:
segment transformation
fiber optices
packet switches ok
None of the above
Question # 3 of 10 ( Start time: 08:50:35 PM ) Total Marks: 1
Frame relay is………………….
Select correct option:
Connection oriented service ok
Connectionless service
It is typically ranges from 5Mbps to 1000Mbps.
None of the above
Question # 4 of 10 ( Start time: 08:52:02 PM ) Total Marks: 1
Which one of the following is a property of static routing?
Select correct option:
It is inflexible
It is done at boot time
It has low network overload
All of the above ok
Question # 5 of 10 ( Start time: 08:52:27 PM ) Total Marks: 1
Which of the following statement is wrong regarding ATM?
Select correct option:
It is a single technology for voice, video and data
It has low jitter and high capacity.
It uses fixed size, small cells, 48 octet’s data
None of the above ok
Question # 6 of 10 ( Start time: 08:52:58 PM ) Total Marks: 1
ATM header is about the ---------- of the cell.
Select correct option:
15%
10% ok
20%
5%
Question # 7 of 10 ( Start time: 08:53:37 PM ) Total Marks: 1
ATM is a single technology designed to meet the goals of both -------- and -----------.
Select correct option:
LAN & PAN
LAN & WAN ok
LAN & MAN
All of above
Question # 8 of 10 ( Start time: 08:54:03 PM ) Total Marks: 1
Jitter is significance for ------------------
Select correct option:
Voice
Video
Data
All of above ok
Question # 9 of 10 ( Start time: 08:54:29 PM ) Total Marks: 1
Transmission media are usually categorized as _______.
Select correct option:
Guided or unguided ok
Fixed or unfixed
Determinate or indeterminate
Metallic or nonmetallic
Question # 10 of 10 ( Start time: 08:54:58 PM ) Total Marks: 1
How many methods exist for computing routing table?
Select correct option:
5
4
3
2 ok
Network interface card acts like a (an) -----------
Select correct option:
Input/output device
Input device
Output device
All of above ok
Question # 2 of 10 ( Start time: 08:37:43 PM ) Total Marks: 1
Which of the following is a benefit of source independence?
Select correct option:
It allows fast and efficient routing.
Packet switch do not need to have complete information about all destinations
Network functions even if topology changes
All of the above ok
Question # 3 of 10 ( Start time: 08:38:35 PM ) Total Marks: 1
The maximum cable length of a LAN is _____
Select correct option:
Fixed ok
Unlimited
Fixed and Unlimited in different conditions
None of these
Which of the following statement is true regarding Link-state routing?
Select correct option:
Network topology is separated from route computation.
Each switch builds its own routing tables.
Link-state routing uses Djikstra’s algorithm.
All of the above ok
Question # 5 of 10 ( Start time: 08:40:15 PM ) Total Marks: 1
Which one of the following is a property of static routing?
Select correct option:
It is inflexible
It is done at boot time
It has low network overload
All of the above ok
Question # 6 of 10 ( Start time: 08:41:11 PM ) Total Marks: 1
If a link or a packet switch fails then which one of the following would possibly be happened?
Select correct option:
Link would be reestablished
Request to change failed hardware would appear
The packet switch will modify the tables ok
None of the above
Question # 7 of 10 ( Start time: 08:42:10 PM ) Total Marks: 1
Which of the following statement is true regarding ATM?
Select correct option:
ATM is a single technology that is designed to meet the goals of both LANs and WANs.
ATM uses the concept of connection-oriented networking. ok
Both (a) and (b)
None of the above
Question # 8 of 10 ( Start time: 08:42:45 PM ) Total Marks: 1
AUI cable connects from NIC to---------------
Select correct option:
BNC Connector
RJ-45 Connector ok
Transceiver
None of the above
Which one of the following is the responsibility of Djikstra’ algorithm?
Select correct option:
To compute the shortest path between two nodes
To extract next hop information from path information
To insert next hop information into routing table
All of the above ok
Question # 10 of 10 ( Start time: 08:43:44 PM ) Total Marks: 1
Djikstra’s algorithm is used to compute the……………….
Select correct option:
shortest path between two nodes ok
number of nodes used in the network
distance between different nodes
none of the above
