CS610 Quiz No.1 Shared by Pakiza

------ Program sends a message to a remote computer and reports whether the computer
responds.
Ping
Traceroute
ICMP
Non of the given

---------- was especially concerned about the lack of high powered computers.
ARPA
IEEE
EIA
Non of the given

The term -------- is used to denote the definition of a packet used with a specific type of
network.
Packet
Frame
Data
None of the given

Computer networks are often called -------------- because they use packet technology.
Ethernet
Switch networks
Packet networks
None of the given

-------------- have advantages arisen from the size and ease of computation.
CRC
Parity
Checksums
None of given

Most LANs that employ ring topology use an access mechanism known as-------
CSMA/CD
CSMA/CA
TOKEN PASSING
None of the given

IEEE LLC/SNAP header is --------, which is used to specify the type of data.
8 octets
8 bytes
8 bits
None of the given

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

An interface for twisted pair 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

A bridges function in the _________ layers(s).
Physical (MAC)
Data link
Network
Physical (MAC) and Data link

A Bridge can ________
Filter a frame
Forward a frame
Extend a LAN
Do all the above

A Bridge forwards or filters a frame by comparing the information in its address table to
the frame’s__________
Layer 2 source address
Source node’s physical address
Layer 2 destination address
Layer 3 destination address

________ computes shortest paths in a graph by using weights on edges as a measure of
distance.[/b]
Greedy algorithm
Distance vector algorithm
Dijksta’s algorithm
Non of the given

___________ is used for audio and video, since these have predefined maximum data
rates
Constant Bit Rate (CBR) service
Variable Bit Rate (VBR) service
Available Bit Rate (ABR) service
None of the given

---------- is also called self healing network   ATM
FDDI
Token Ring
None of the given

Most LANs that employ ring topology use an access mechanism known as-------
Select correct option:
 CSMA/CD
 CSMA/CA
 CSMA
 TOKEN PASSING

An ------------method, the network hardware designers specify how type information is included in the frame and the value use to identify various frame types.
Explicit frame type
Ideal frame type
Implicit frame type
None of the given

Hardware that calculates a CRC uses two simple components.  
AND unit and XOR unit
Shift register and XOR unit
Shift register & AND unit
Shift register and shift XOR unit

The Ethernet standard specifies that frames are sent using the --------
Differential Manchester 
Not Return to Zero (NRZ)
Manchester Encoding
Return to Zero (RZ)

When an application ------------ data, it makes a copy of the data available to all other computers on the network.
Select correct option:
 Broadcasting
 Multicasting
 Unicasting
 None of the given

LAN interface may use ---------- to copy frame data directly from main memory.    

DMA
FDDI
CSMA/CD
None of the given
 

LAN and WAN are classified according to their.........
Select correct option:
Size
Connectivity
Medium
Mobility 

For how much time would other computers be in wait while one computer was transferring 56MB file with transmission speed of 56Kbps
Select correct option:
10 Sec
11 Sec
12 Sec
13 Sec 

A network uses _______ to arrange computers to be connected in a single closed loop.
Select correct option:
Star Topology
Dual Ring Topology
Ring Topology
Bus Topology

CBR stands for…………….

Constant Byte Rate

Constant Bit Rate

Connection break Recovery

None of the above

The routing table in interior and exterior switches has which one of the following?

It should have next hop for each possible destination

The next hop in table must be on shortest path to destination

Both (a) and (b)

None of the above

Which one of the following is a method for computing routing table information?

Manual entry

Static routing

Boot time routing

None of the above

Which one of the following is the responsibility of Djikstra’ algorithm?

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

 Routing table is used to keep the information about…………….

Destination

Medium of transmission

Routers used in network

All of the above

Frame relay is………………….

Connection oriented service

Connectionless service

It is typically ranges from 5Mbps to 1000Mbps.

None of the above

Which of the following is not a guided medium?

Twisted-pair

cable Fiber-optic

cable Atmosphere

Coaxial cable

Which of the following statement is wrong regarding PVC?

PVC last as long as the customer pay the periodic fee for its use.

Forwarding tables are automatically restored after pow er of equipment failure.

Forwarding table entries for PVC’s are dynamically configured.

All of the above are wrong

Which of the following statement is true regarding ATM?

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.

Both (a) and (b)

None of the above

Djikstra’s algorithm is used to compute the……………….

shortest path between two nodes

number of nodes used in the network

distance between different nodes

none of the above