WorksheetsUntitled Quiz
Total questions: 100
Worksheet time: 53mins
The IETF standards documents are called _________
RFC.
RCF.
ID.
DFC.
The first Network was called _________
CNNET.
NSFNET.
ASAPNET.
ARPANET.
Which of this is not a network edge device?
PC
Smartphones.
Servers.
Switch.
A _________ set of rules that governs data communication.
Protocols.
Standards.
RFCs.
Servers.
When collection of various computers seems a single coherent system to its client, then it is called _________
computer network.
distributed system.
networking system.
mail system.
Two devices are in network if __________
a process in one device is able to exchange information with a process in another device.
a process is running on both devices.
PIDs of the processes running of different devices are same.
a process is active and another is inactive.
In computer network nodes are _________
the computer that originates the data.
the computer that routes the data.
the computer that terminates the data.
all of the mentioned.
Communication channel is shared by all the machines on the network in _________
broadcast network.
unicast network.
multicast network.
anycast network.
A _________ is a device that forwards packets between networks by processing the routing information included in the packet.
bridge.
firewall.
router.
hub.
A list of protocols used by a system, one protocol per layer, is called _________
protocol architecture.
protocol stack.
protocol suite.
protocol system.
How many layers are present in the Internet protocol stack (TCP/IP model)?
(a)
The number of layers in ISO OSI reference model is __________
5.
7.
6.
10.
In TCP IP Model, when data is sent from device A to device B, the 5th layer to receive data at B is
Application layer.
Transport layer.
Link layer.
Session layer.
In the OSI model, as a data packet moves from the lower to the upper layers, headers are __________
Added.
Removed.
Rearranged.
Randomized.
The number of layers in ISO OSI reference model is __________
4.
5.
6.
7.
TCP/IP model does not have ______ layer but OSI model have this layer.
session layer.
transport layer.
application layer.
network layer.
Which layer is used to link the network support layers and user support layers?
session layer.
data link layer.
transport layer.
network layer.
Which address is used on the internet for employing the TCP/IP protocols?
physical address and logical address.
port address.
specific address.
all of the mentioned.
TCP/IP model was developed _____ the OSI model.
prior to.
after.
simultaneous to.
with no link to.
Which layer is responsible for process to process delivery in a general network model?
network layer.
transport layer.
session layer.
data link layer.
Which address is used to identify a process on a host by the transport layer?
physical address.
logical address.
port address.
Transmission data rate is decided by ____________
network layer.
physical layer.
data link layer.
transport layer.
The physical layer is concerned with ____________
bit-by-bit delivery.
process to process delivery.
application to application delivery.
port to port delivery.
Which transmission media provides the highest transmission speed in a network?
coaxial cable.
twisted pair cable.
optical fiber.
electrical cable.
Bits can be sent over guided and unguided media as analog signal by ____________
digital modulation.
amplitude modulation.
frequency modulation.
phase modulation.
The physical layer provides ____________
mechanical specifications of electrical connectors and cables.
electrical specification of transmission line signal level.
specification for IR over optical fiber.
all of the mentioned.
The physical layer translates logical communication requests from the ______ into hardware specific operations.
data link layer.
network layer.
transport layer.
application layer.
A single channel is shared by multiple signals by ____________
analog modulation.
digital modulation.
multiplexing.
phase modulation.
Wireless transmission of signals can be done via ____________
radio waves.
microwaves.
infrared.
all of the mentioned.
The data link layer takes the packets from __________ and encapsulates them into frames for transmission.
network layer.
physical layer.
transport layer.
application layer.
Which sublayer of the data link layer performs data link functions that depend upon the type of medium?
logical link control sublayer.
media access control sublayer.
network interface control sublayer.
error control sublayer.
Header of a frame generally contains ______________
synchronization bytes.
addresses.
frame identifier.
all of the mentioned.
Automatic repeat request error management mechanism is provided by ________
logical link control sublayer.
media access control sublayer.
network interface control sublayer.
application access control sublayer.
CRC stands for ________
cyclic redundancy check.
code repeat check.
code redundancy check.
cyclic repeat check.
Which of the following is the multiple access protocol for channel access control?
CSMA/CD.
CSMA/CA.
Both CSMA/CD & CSMA/CA.
HDLC.
Transport layer aggregates data from different applications into a single stream before passing it to __________
network layer.
data link layer.
application layer.
physical layer.
Which of the following are transport layer protocols used in networking?
TCP and FTP.
UDP and HTTP.
TCP and UDP.
HTTP and FTP.
User datagram protocol is called connectionless because ______________
A. all UDP packets are treated independently by transport layer.
B. it sends data as a stream of related packets.
C. it is received in the same order as sent order.
D. it sends data very quickly.
Transmission control protocol ____________
is a connection-oriented protocol.
uses a three way handshake to establish a connection.
receives data from application as a single stream.
all of the mentioned.
An endpoint of an inter-process communication flow across a computer network is called __________
socket.
pipe.
port.
machine.
Which one of the following is a version of UDP with congestion control?
datagram congestion control protocol.
stream control transmission protocol.
structured stream transport.
user congestion control protocol.
A (a) is a TCP name for a transport service access point.
Transport layer protocols deals with ____________
application to application communication.
process to process communication.
node to node communication.
man to man communication.
Which of the following is a transport layer protocol?
stream control transmission protocol.
internet control message protocol.
neighbor discovery protocol.
dynamic host configuration protocol.
The network layer is concerned with __________ of data.
bits.
frames.
packets.
bytes.
A 4 byte IP address consists of __________
only network address.
only host address.
network address & host address.
network address & MAC address.
Which of the following routing algorithms can be used for network layer design?
shortest path algorithm.
distance vector routing.
link state routing.
all of the mentioned.
Which one of the following algorithm is not used for congestion control?
traffic aware routing.
admission control.
load shedding.
routing information protocol.
The network layer protocol for internet is __________
ethernet.
internet protocol.
hypertext transfer protocol.
file transfer protocol.
Which is not a application layer protocol?
HTTP.
SMTP.
FTP.
TCP.
The packet of information at the application layer is called __________
Packet.
Message.
Segment.
Frame.
Which one of the following is an architecture paradigms?
Peer to peer.
Client-server.
HTTP.
Both Peer-to-Peer & Client-Server.
Application developer has permission to decide the following on transport layer side:
Type of transport protocol used
IP address of destination
Physical layer encoding scheme
MAC address of source
Application layer offers _______ service.
End to end.
Process to process.
Both End to end and Process to process.
None of the mentioned.
Which of the following is an application layer service?
Network virtual terminal.
File transfer, access, and management.
Mail service.
All of the mentioned.
To deliver a message to the correct application program running on a host, the _______ address must be consulted.
IP.
MAC.
Port.
None of the mentioned.
Electronic mail uses which Application layer protocol?
SMTP.
HTTP.
FTP.
SIP.
The entire hostname has a maximum of ____________
255 characters.
127 characters.
63 characters.
31 characters.
A DNS client is called __________
DNS updater.
DNS resolver.
DNS handler.
none of the mentioned.
Servers handle requests for other domains _______
directly.
by contacting remote DNS server.
it is not possible.
none of the mentioned.
DNS database contains _______
name server records.
hostname-to-address records.
hostname aliases.
all of the mentioned.
Which one of the following allows client to update their DNS entry as their IP address change?
dynamic DNS.
mail transfer agent.
authoritative name server.
none of the mentioned.
The right to use a domain name is delegated by domain name registers which are accredited by ________
The domain name system is maintained by _______
distributed database system.
a single server.
a single computer.
none of the mentioned.
A piece of icon or image on a web page associated with another webpage is called
url.
hyperlink.
plugin.
extension.
Dynamic web page ______
is same every time whenever it displays.
generates on demand by a program or a request from browser.
both is same every time whenever it displays and generates on demand by a program or a request from browser.
is different always in a predefined order.
What is a web browser?
a program that can display a web page.
a program used to view html documents.
it enables user to access the resources of internet.
all of the mentioned.
Common gateway interface is used to _______
generate executable files from web content by web server.
generate web pages.
stream videos.
download media files.
URL stands for ________
unique reference label.
uniform reference label.
uniform resource locator.
unique resource locator.
A web cookie is a small piece of data that is ________
sent from a website and stored in user’s web browser while a user is browsing a website.
sent from user and stored in the server while a user is browsing a website.
sent from root server to all servers.
sent from the root server to other root servers.
The TTL field has value 10. How many routers (max) can process this datagram?
A. 11.
B. 5.
C. 10.
D. 1.
What should be the flag value to indicate the last fragment?
0.
1.
TTL value.
Protocol field value.
In classless addressing, there are no classes but addresses are still granted in ______
IPs.
Blocks.
Codes.
In IPv4 Addresses, classful addressing is replaced with ________
Classless Addressing.
Classful Addressing.
Classful Advertising.
Classless Advertising.
First address in a block is used as network address that represents the ________
Class Network.
Entity.
Organization.
Codes.
Network addresses are a very important concept of ________
Routing.
Mask.
IP Addressing.
Classless Addressing.
DHCP is used for ________
IPv6.
IPv4.
Both IPv6 and IPv4.
None of the mentioned.
A local telephone network is an example of a ________ network.
Packet switched.
Circuit switched.
Bit switched.
Line switched.
Most packet switches use this principle ____________
Stop and wait.
Store and forward.
Store and wait.
Stop and forward.
If there are N routers from source to destination, the total end to end delay in sending packet P(L-> number of bits in the packet R-> transmission rate) is equal to ______________
N.
(N*L)/R.
(2N*L)/R.
L/R.
What are the Methods to move data through a network of links and switches?
Packet switching and Line switching.
Circuit switching and Line switching.
Line switching and bit switching.
Packet switching and Circuit switching.
The required resources for communication between end systems are reserved for the duration of the session between end systems in ________ method.
Packet switching.
Circuit switching.
Line switching.
Frequency switching.
In __________ systems, resources are allocated on demand.
packet switching.
circuit switching.
line switching.
frequency switching.
Question 85: ____________ allows LAN users to share computer programs and data.
File server
Printer
Router
Monitor
With respect to physical media, STP cables stands for __________
A. Shielded Twisted Pair Cable.
B. Spanning Tree Protocol Cable.
C. Static Transport Protocol Cable.
D. Shielded Two Power Cable.
What is the max length of the Shielded twisted pair cable?
100 ft.
200 ft.
100 m.
200 m.
Which connector does the STP cable use?
BNC.
RJ-11.
RJ-45.
RJ-69.
What is the central device in star topology?
STP server.
Hub/switch.
PDC.
Router.
Which of the following architecture uses the CSMA/CD access method?
ARC net.
Ethernet.
Router.
STP server.
Which type of Ethernet framing is used for TCP/IP and DEC net?
Ethernet 802.3.
Ethernet 802.2.
Ethernet II.
Ethernet SNAP.
Novell’s implementation of RIP updates routing tables every __________ seconds.
60.
90.
10.
30.
Open Shortest Path First (OSPF) is also called as _____________
Link state protocol.
Error-correction protocol.
Routing information protocol.
Border gateway protocol.
Which of the following is not a type of OSPF packet?
Hello.
Link-state request.
Link-state response.
Link-state ACK.
Ethernet frame consists of ____________
MAC address.
IP address.
Default mask.
Network address.
A point-to-point protocol over ethernet is a network protocol for __________
encapsulating PPP frames inside ethernet frames.
encapsulating ethernet frames inside PPP frames.
for security of ethernet frames.
for security of PPP frames.
High speed and long ethernet works on __________
coaxial cable.
twisted pair cable.
optical fiber.
unshielded twisted pair cable.
Which IPv6 address is the equivalent of the IPv4 interface loopback address 127.0.0.1?
::1
::
2000::/3
::/10
0::/10
Which command enables IPv6 forwarding on a Cisco router?
ipv6 local
ipv6 host
ipv6 unicast-routing
ipv6 neighbor
What is known as "one-to-nearest" addressing in IPv6?
global unicast
anycast
multicast
unspecified address
What will happen if a private IP address is assigned to a public interface connected to an ISP?
Addresses in a private range will not be routed on the Internet backbone.
Only the ISP router will have the capability to access the public network.
The NAT process will be used to translate this address to a valid IP address.
A conflict of IP addresses happens, because other public routers can use the same range.
