Which one is NOT the function of ping program
Select correct option:
Traceability
Reachability ok(page 117)
Both a and b
None of the given
Question # 2 of 10 ( Start time: 05:10:09 PM ) Total Marks: 1
TCP achieves _________ by retransmission.
Select correct option:
Efficiency
Accuracy
Reliability ok(page 125)
none of the given
Question # 3 of 10 ( Start time: 05:10:56 PM ) Total Marks: 1
IPV6 addresses are _____ bits.
Select correct option:
32
64
128 ok(page 111)
256
Question # 4 of 10 ( Start time: 05:11:37 PM ) Total Marks: 1
NEXT HEADER field in the base header defines type of header it appears at the end of fixed-size base header.
Select correct option:
True ok(page 112)
False
Question # 5 of 10 ( Start time: 05:12:30 PM ) Total Marks: 1
IGPs stand for _________
Select correct option:
Internal Gateway Protocols
Interior Gateway Protocols (ok page 135)
Intermediate Gateway Protocols
None of the given
Question # 6 of 10 ( Start time: 05:13:30 PM ) Total Marks: 1
HEADER LEN field gives size of extention header.
Select correct option:
False
True ok(page 112)
Question # 7 of 10 ( Start time: 05:14:53 PM ) Total Marks: 1
One of the parameters, which motivated IP for change is address space. The _____________ address space allows for over a million networks. But most networks are class C and too small for many organizations.
Select correct option:
32-bit ok(page 110)
128-bit
16-bit
64-bit
Question # 8 of 10 ( Start time: 05:15:41 PM ) Total Marks: 1
TCP uses _______ format for all messages.
Select correct option:
single ok(page 128)
double
multiple
None of the given
Question # 9 of 10 ( Start time: 05:16:19 PM ) Total Marks: 1
The process of using a routing table to select a next hop for a given datagram is called_________.
Select correct option:
Encapsulation
Reassembling
Routing or forwarding ok
None of the given
Question # 10 of 10 ( Start time: 05:17:01 PM ) Total Marks: 1
TCP is a connectionless and reliable transport protocol.
Select correct option:
True
False ok( page 101)
In Closed-form computation, the protocol address assigned to a computer is chosen carefully so that computer’s hardware address can be computed from the protocol address using basic Boolean and _________ operations.
Select correct option:
arithmetic ok(page 94)
XOR
Shift
XNOR
Question # 2 of 10 ( Start time: 01:04:03 PM ) Total Marks: 1
Which one of the following is a property of dynamic routing?
Select correct option:
It is inflexible
It has low network overload
It can work around network failure ok(page 62)
All of the above
Question # 3 of 10 ( Start time: 01:05:00 PM ) Total Marks: 1
The term signaling is used to describe------------
Select correct option:
Communication about the internet
Communication about the extranet
Communication about the network ok(page 70)
None of above
Question # 4 of 10 ( Start time: 01:05:49 PM ) Total Marks: 1
In Asynchronous Transfer Mode VPI/VCI fields indentify the cells--------------
Select correct option:
Source
Destination ok(page 66)
Port #
None of above
Question # 5 of 10 ( Start time: 01:07:19 PM ) Total Marks: 1
_______ protocols of TCP/IP layering model specify how to ensure reliable transfer.
Select correct option:
Physical Layer
Network Interface Layer
Internet Layer
Transport Layer ok(page 84)
Question # 6 of 10 ( Start time: 01:08:21 PM ) Total Marks: 1
The IP class scheme does not divide the ________ address space into equal size class and the classes do not contain the same number of networks.
Select correct option:
16-bit
32-bit ok(page 88)
48-bit
64-bit
Question # 7 of 10 ( Start time: 01:09:19 PM ) Total Marks: 1
An exterior switch is one with which ………………….
Select correct option:
Computers are attached ok(page 59)
No computer is attached
hubs are attached externally
None of the above
Question # 8 of 10 ( Start time: 01:10:36 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(page 63)
None of the above
Question # 9 of 10 ( Start time: 01:11:56 PM ) Total Marks: 1
As the Internet grew, the original Classful addressing scheme became a limitation. The IP address space was being exhausted because all networks had to choose one of three possible sizes.
Select correct option:
True ok(page 90)
False
Question # 10 of 10 ( Start time: 01:13:22 PM ) Total Marks: 1
Two computers with a connection through an ATM network will likely have same VPI/VCI values for each end of the connection
Select correct option:
True
False ok(page 68)
........ is effectively a very short Ethernet with very long AUI cables. It can be connected into larger Ethernet
RJ-45
HUBS
10Base-T
None of thease
Question # 2
Which statement is incorrect according to 10Base-T standard of TP Ethernet?
This makes it cheaper and that ‘s why it is most useful technology of today
It replaces AUI cable with twisted pair cable and thick coax with hub.
10Base-T is a wiring scheme in a WAN with twisted pair cable.
All statement are incorrect.
Question # 3
A system with redundant bridges might have a problem with_______ in the system.
Filters
Spanning Trees
Addressing
Loop
Question # 4
A ---------- provides mechanism that automatically assignes a physical address to a station when the station first boots.
Static addressing scheme
Configurable addressing scheme
Dynamic addressing scheme
None of the given
Question # 5
---------- which is designed to help detect transmissions errors, send one extra bit of information with each character.
Checksum
CRC
Parity
VRC
Question # 6
Wireless LAN use the -------- as a media access method
CSMA/CD
CSMA/CA
TOKEN PASSING
CSMA
Question # 7
According to a bridge performance, if both the source and destination are on the same segment
It forwards the frame to the other segment
It does not forward the frame to the other segment
It does not forward the frame to the same segment
It forwards the frame to every other segment
Question # 8
Which one is incorrect statement?
Hub wiring centralizes electronics and connections. It makes management easier
No Transceiver allows computers to be powered off or disconnected from network without distracting other communication
Transceiver may be located in an inconvenient place in any situation
None of these
Question # 9
No error detection scheme is perfect because transmission errors can affect _________.
Data
Additional Information
Additional information & data
Transmission medium
Question # 10
Thin Ethernet is the
A ---------- relies on the hardware manufacturer to assign a unique physical address to each network interface.
Select correct option:
Static addressing scheme
Configurable addressing scheme
Dynamic addressing scheme
None of the given
Question # 2 of 10 ( Start time: 03:20:49 PM ) Total Marks: 1
A network uses ------------ if all computers attach to a central point
Select correct option:
Ring Topology
Star Topology
Hub Topology
Bus Topology
2?
Question # 3 of 10 ( Start time: 03:21:13 PM ) Total Marks: 1
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
Quiz Start Time: 03:20 PM
Time Left 89
sec(s)
Question # 4 of 10 ( Start time: 03:21:40 PM ) Total Marks: 1
Wireless LAN use the -------- as a media access method
Select correct option:
CSMA/CD
CSMA/CA
TOKEN PASSING
CSMA
Quiz Start Time: 03:20 PM
Time Left 87
sec(s)
Question # 6 of 10 ( Start time: 03:23:53 PM ) Total Marks: 1
The third field of the header consists of ------ bit Ethernet frame type.
Select correct option:
48
32
16
8
Question # 7 of 10 ( Start time: 03:24:45 PM ) Total Marks: 1
No error detection scheme is perfect because transmission errors can affect _______.
Select correct option:
Data
Additional Information
Additional information & data
Transmission medium
Question # 8 of 10 ( Start time: 03:25:24 PM ) Total Marks: 1
Hardware that calculates a CRC uses two simple components.
Select correct option:
AND unit and XOR unit
Shift register and XOR unit
Shift register & AND unit
Shift register and shift XOR unit
Quiz Start Time: 03:20 PM
Time Left 88
sec(s)
Question # 10 of 10 ( Start time: 03:26:41 PM ) Total Marks: 1
Star topolgy is the kind of
Select correct option:
Tree topology
Point-to-point topolgy
Broadcast topolgy
Ring topology
Which levels are mostly used for Detailed DFD?
Select correct option:
Level-0, Level-1
Level-1, Level-2
Level-2, Level-3
Level-3, Level-4
